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<title>freepatentsonline.com: Optical: systems and elements</title>
<link>http://www.freepatentsonline.com/result.html?query_txt=ccl/359%20and%20isd/11/03/2009&amp;uspat=on</link>
<description>USPTO Class 359 Optical: systems and elements</description>
<language>en-us</language>
<lastBuildDate>Thu, 05 Nov 2009 03:35:21 EST</lastBuildDate>

<item>
<title><![CDATA[Monitor hood having light-shielding door]]></title>
<link>http://www.freepatentsonline.com/7611252.html</link>
<description><![CDATA[A light-shielding door is configured between an upper component and a lower component of a top plate of a monitor hood. The door is capable of moving to open or to close at an opening of the top plate along a direction. The door includes a groove and the upper/lower component includes a track corresponding to the groove for allowing the door to move steadily. A rib is configured between the two components and adjacent to the door for preventing the door from derailing. The door further includes an indentation at the bottom of a handle at the front end. When the door closes, the indentation matches closely to the edge of the opening, providing perfect light shielding solution for the monitor hood.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Electrochromic devices with thin bezel-covered edge]]></title>
<link>http://www.freepatentsonline.com/7612929.html</link>
<description><![CDATA[A mirror includes an electro-optic mirror subassembly, and a thin-profiled bezel attached around a perimeter of the electrochromic mirror subassembly. The electro-optic mirror subassembly is supported on a carrier by an adheringly bonded heater and foam tape in a laminar arrangement. The bezel may be bonded to an edge of the front surface of the front element of the electro-optic mirror subassembly, and/or may be bonded and/or interlockingly mechanically attached to an edge of the carrier. Alternatively, the bezel can be a strip of paint or thin coating material. The bezel can be molded in place, or can be pre-molded and elastically stretched to permit assembly. In one form, the bezel includes a laterally-extending fin that prevents seeing past the bezel into the inside of a mirror housing. In at least one embodiment, the assembly has no bezel or only a bezel on one edge.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[MEMS control system gain normalization]]></title>
<link>http://www.freepatentsonline.com/7612931.html</link>
<description><![CDATA[A method and system for providing gain normalization in a MEMS control system and/or device includes moving a MEMS structure from a first position wherein light is redirected from a first input port to an output port to a second position wherein light is redirected from a second input port to the output port, dithering an orientation of the MEMS structure, monitoring an intensity of the dithered light and providing a feedback signal in dependence upon the monitored intensity, and using the feedback signal, determining a control loop gain for active alignment of the MEMS structure. Gain normalization is achieved by applying a fitting function, which is split into a gain control loop gain part and a mechanical part.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Microelectromechanical device with spacing layer]]></title>
<link>http://www.freepatentsonline.com/7612933.html</link>
<description><![CDATA[An interferometric modulating device is provided with a spacing layer positioned between the fixed reflector and the electrode. The spacing layer prevents shorting between the movable reflector and the electrode and provides a filtering cavity to improve color saturation.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Diffractive optical element and optical system including the same]]></title>
<link>http://www.freepatentsonline.com/7612941.html</link>
<description><![CDATA[A diffractive optical element includes a plurality of diffraction gratings. A diffraction grating within the plurality of diffraction gratings includes a plurality of grating parts having a curved grating surface and grating tips which connect to define a curved envelope face. The grating surface has a radius of curvature larger than a radius of curvature of the envelope face. In addition, two diffraction gratings within the plurality of diffraction gratings are composed of different materials having different dispersions. Therefore, even when the radius of curvature of the envelope face is small, the degradation of the diffraction efficiency is suppressed.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical diffuser having frit based coating with inorganic light diffusing pigments with variable particle size therein]]></title>
<link>http://www.freepatentsonline.com/7612942.html</link>
<description><![CDATA[A diffuser is provided that includes a glass substrate with a diffusing coating thereon. The diffusing coating may include one or more layers. In certain example embodiments, the diffusing coating comprises inorganic pigments therein for light diffusing purposes, and the inorganic pigments are sized so as to permit a diffuser having a combination of high visible transmission and good diffusion qualities to be realized. In certain example embodiments, the diffusing coating may be of or include a frit with the inorganic pigments therein.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Zoom lens and imaging apparatus]]></title>
<link>http://www.freepatentsonline.com/7612949.html</link>
<description><![CDATA[A zoom lens includes, in order from the object side, a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power. When a lens positional state changes from a maximum wide angle state to a maximum telephoto state, the second lens group moves on an optical axis toward an object, and the first and the third lens groups also move in an optical axis direction such that a gap between the first lens group and the second lens group decreases, while gap between the second lens group and the third lens group is increased. When a change in subject position occurs, close-range focusing is performed by movement of the third lens group, and image shift is provided by shifting the second lens group in directions approximately perpendicular to the optical axis.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Aspheric plastic lens and mold for manufacturing the same]]></title>
<link>http://www.freepatentsonline.com/7612950.html</link>
<description><![CDATA[An aspheric plastic lens comprises a spherical surface portion having upper and lower portions at the center thereof, the upper and lower portions having curved surfaces with a different curvature, respectively; a rib formed in a circular plate shape so as to extend from the peripheral edge of the spherical surface portion to the outside, the rib having burrs formed to project on the edges of the upper and lower surfaces thereof; and a pair of two-stage step portions formed on the upper and lower surfaces of the rib, the two-stage step portions being formed symmetrically with each other.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical mount pivotable about a single point]]></title>
<link>http://www.freepatentsonline.com/7612956.html</link>
<description><![CDATA[An optical element mount has an outer member and an inner member. The inner member has a central axis and is suspended within the outer member by a plurality of fold flexures. Each fold flexure has a fold that lies along a line that intersects the central axis at one common point, where the common point serves as a pivot point for rotational movement of the inner member.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Voice coil driving auto-focus lens module]]></title>
<link>http://www.freepatentsonline.com/7612957.html</link>
<description><![CDATA[A voice coil driving auto-focus lens module is disclosed. The voice coil driving auto-focus lens module includes a base, two conductive plates, an insulation spacer, four permanent magnets, a lens holder, an optical lens, a spring set, a coil, and a top cover. The lens holder, the optical lens and the coil form a lens set that moves synchronously while the permanent magnets are fixed on an outer circle of a leaf spring. The spring set includes a coil spring and a leaf spring. By resultant spring force due to extension or compression of the coil spring as well as the leaf spring, together with the electromagnetic force, the lens module moves fast, focuses stably and the tilt of the lens module is reduced.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Transmissive phase plate, polarized beam splitter, and projection display]]></title>
<link>http://www.freepatentsonline.com/7612939.html</link>
<description><![CDATA[A transmissive phase plate with a function of correcting direction of polarization of light rays in an incident divergent or convergent light flux in addition to functions as a wave plate. Conditions of polarization of incident light rays are corrected by a polarization-correcting optical multi-layer coating which is formed by alternately depositing a high refractivity layer and a low refractivity layer on curved substrative surface of a predetermined radius of curvature. The transmissive phase plate can be applied to correct conditions of polarization of incident light rays of a polarized beam splitter for the purpose of improving contrast ratio of a projection display.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Controllable optical lens]]></title>
<link>http://www.freepatentsonline.com/7612947.html</link>
<description><![CDATA[A controllable electrowetting lens system has a feedback control loop for controlling the electrode arrangement drive signals to implement an autofocus function. The feedback control loop comprising an image analysis focus detection system and a variable gain element. The gain is adjusted based on the lens condition, for example as sensed by a capacitance sensing arrangement. The autofocus control loop can be optimized to the lens characteristics (because the lens characteristics change over time) and/or to external conditions such as temperature.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Wide-angle lenses]]></title>
<link>http://www.freepatentsonline.com/7612946.html</link>
<description><![CDATA[The present invention provides new projection schemes for wide angle imaging lenses rotationally symmetric about optical axis wherein the field of view of lenses and the size of image sensors are directly reflected without any reference to the effective focal length of the lenses. This invention also provides explicit examples of wide-angle lenses implementing the newly developed projection schemes. According to the present invention, by providing new projection schemes explicitly reflecting the physical quantities of direct interest to the user for industrial applicability, namely, the field of view and the image sensor size, it is possible to realize wide-angle lenses providing the most satisfactory images.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Microelectromechanical device with optical function separated from mechanical and electrical function]]></title>
<link>http://www.freepatentsonline.com/7612932.html</link>
<description><![CDATA[A microelectromechanical (MEMS) device includes a first reflective layer, a movable element, and an actuation electrode. The movable element is over the first reflective layer. The movable element includes a deformable layer and a reflective element. The actuation electrode is between the deformable layer and the reflective element.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Diffractive optical element and method of fabricating diffractive optical element]]></title>
<link>http://www.freepatentsonline.com/7612940.html</link>
<description><![CDATA[The present invention is a diffractive optical element  1  in which mutually different materials make contact with one another via the same diffraction grating groove  30 . One of the mutually different materials is a first ultraviolet curing resin  10  and the other of the mutually different materials is a second ultraviolet curing resin  20  that is different from the first ultraviolet curing resin  10.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical device and crystallization device]]></title>
<link>http://www.freepatentsonline.com/7612943.html</link>
<description><![CDATA[An optical device comprises a first cylindrical lens array in which a plurality of first lens segments each having a first radius of curvature and a first width so as to divide laser light into a plurality of light components are arranged, and a plurality of second lens segments each having a second radius of curvature and a second width, and provided in at least one position of the first cylindrical lens array so as to be arranged between adjacent first lens segments.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Pyramidal microlens and camera lens structure using the same]]></title>
<link>http://www.freepatentsonline.com/7612945.html</link>
<description><![CDATA[In a microlens for observing a microstructure and a camera lens structure using the microlens, the microlens includes a frustum formed on a substrate. The frustum is placed to the observed hole of the microstructure, such that a user's naked eye may approach the substrate to observe a locally enlarging image of the inner surface of the hole. In addition, the microlens is able to be placed longitudinally in a hollow lens tube of a camera lens structure, which may be placed on a surface, such that the microlens may be used at any surface.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Controllable optical lens]]></title>
<link>http://www.freepatentsonline.com/7612948.html</link>
<description><![CDATA[A controllable optical lens system, comprises a chamber housing first and second fluids, the interface between the fluids defining a lens surface. An electrode arrangement controls the shape of the lens surface and has first and second electrodes. A parameter is determined by the system dependent on the electrical resistance through at least one of the lens fluids between the first and second electrodes. Thus, the series resistance through a lens fluid is used as a measure of meniscus position.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Spacer and lens module using same]]></title>
<link>http://www.freepatentsonline.com/7612954.html</link>
<description><![CDATA[A spacer ( 20 ), configured to be disposed between two lenses ( 12, 13 ) of a lens module ( 10 ) in order to separate the two lenses by a predetermined distance, includes a through hole ( 22 ) penetrating therethrough for permitting light to pass therethrough, and an upper surface ( 201 ) configured for receiving adhesive thereon. The upper surface has a slot ( 23 ) defined therein around the through hole. The slot is configured for receiving excess adhesive. A lens module using the spacer and a method of assembling the lens module are also provided.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Retroreflective articles comprising olefinic seal films]]></title>
<link>http://www.freepatentsonline.com/7611251.html</link>
<description><![CDATA[Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements and a seal film layer adhered to portions of the cube-corner elements and/or portions of a (e.g. flexible) body layer. The seal film is a thermoplastic polymeric material comprising reaction products of alkylene in an amount of at least about 50% and reaction products of at least one non-acidic polar monomer.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical processing]]></title>
<link>http://www.freepatentsonline.com/7612930.html</link>
<description><![CDATA[To operate an optical device comprising an SLM with a two-dimensional array of controllable phase-modulating elements groups of individual phase-modulating elements are delineated, and control data selected from a store for each delineated group of phase-modulating elements. The selected control data are used to generate holograms at each group and one or both of the delineation of the groups and the selection of control data is/are varied. In this way upon illumination of the groups by light beams, light beams emergent from the groups are controllable independently of each other.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Advanced ultraviolet-resistant silver mirrors for use in solar reflectors]]></title>
<link>http://www.freepatentsonline.com/7612937.html</link>
<description><![CDATA[A silver mirror construction that maintains a high percentage of hemispherical reflectance throughout the UV and visible spectrum when used in solar reflectors, comprising:  a) a pressure sensitive adhesive layer positioned beneath a silver overlay; b) a polymer film disposed on the silver overlay; c) an adhesive layer positioned on the polymer film; and d) a UV screening acrylic film disposed on the adhesive layer.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Projection lens unit]]></title>
<link>http://www.freepatentsonline.com/7612951.html</link>
<description><![CDATA[A projection lens system  1 A enlarges and projects onto a screen  8 , via a plurality of lenses G 1  to G 16 , image light emitted from, a light source  4  and modulated by DMDs  3 r  to  3 b . A movable lens barrel  25  holds the lens G 16 , having positive power, which is positioned closest to the DMDs  3 r  to  3 b . An outer tube  24  holds the movable lens barrel  25  to enable movement in the optical axis direction. Through thermal deformation at the time of an increase in temperature, the bimetal member  27  moves the movable lens barrel  25  in the optical axis direction so as to recede from the image formation devices which are the DMDs  3 r  to  3 b.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Multi-function lens module]]></title>
<link>http://www.freepatentsonline.com/7612955.html</link>
<description><![CDATA[A multi-function lens module includes a cylindrical first part and a second part. The first part includes a peripheral side wall and defines an inner space; and the first part has a central axis. The second part is received in the inner space of the first part. The first part is capable of rotating relative to the second part. The first part defines at lease two pairs of openings. Each pair of openings is symmetric about the central axis. A first pair of the openings is configured for accommodating first optical elements. A second pair of the openings is configured for accommodating second optical elements. The second part defines a first through hole. The first through hole receives a third optical element.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Telescopic sight]]></title>
<link>http://www.freepatentsonline.com/7612958.html</link>
<description><![CDATA[A telescopic sight includes a zoom mechanism with which an angle of adjustment of sighting can be enlarged, such that sighting precision of the telescopic sight can be stably maintained, and with which zooming can be performed with a light touch. The telescopic sight includes a zoom ring, an annular gear, a circumferential gear, an intermediate gear and a transmission mechanism. The zoom ring is turnably provided at an outer periphery of a lens barrel of a telescopic sight. The annular gear is provided at an inner periphery face of the zoom ring. The circumferential gear is rotatably provided, concentrically with the annular gear, at an inner periphery of the lens barrel. The intermediate gear is interposed between the annular gear and the circumferential gear and transmit rotation of the annular gear to the circumferential gear.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Method and apparatus providing a microlens for an image sensor]]></title>
<link>http://www.freepatentsonline.com/7612319.html</link>
<description><![CDATA[A microlens having a plurality of lens material units separated by a plurality of trenches and a method of forming the same is disclosed. The relationship of the trenches to the lens material is such that an average index of refraction of the microlens decreases from a center to an edge of the microlens.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical amplifying apparatus for wavelength division multiplexed signals]]></title>
<link>http://www.freepatentsonline.com/7612936.html</link>
<description><![CDATA[A photo amplifying apparatus for amplifying wavelength division multiplexed signals includes a specific wavelength measuring unit for measuring a specific wavelength at a measuring point, a total power measuring unit for measuring all wavelengths at the measuring point, and an output control unit for controlling the output of the photo amplifying apparatus based on the light power measured by the specific wavelength measuring unit and the total power measuring unit. Since the photo amplifying apparatus measures both the specific wavelength and all wavelengths, the photo amplifying apparatus can determine change in the number of multiplexed wavelengths and the gain gradient of the photo signals, and can properly control its output level.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Projector]]></title>
<link>http://www.freepatentsonline.com/7611249.html</link>
<description><![CDATA[A projector including a shiftable projection lens unit is disclosed. The projector includes an illumination unit adapted to emit generated light, a micro device adapted to receive the light from the illumination unit, and to produce an image using the received light, a projection lens unit adapted to emit the image produced by the micro device, a reflector arranged at a downstream end of the projection lens unit, and adapted to change a direction of the light incident from the projection lens unit on the reflector such that the image is externally emitted, and a driving unit adapted to shift the projection lens unit and the reflector, thereby adjusting an emission direction of the externally-emitted image.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Portable projection screen assembly]]></title>
<link>http://www.freepatentsonline.com/7612938.html</link>
<description><![CDATA[A portable screen assembly includes a first side support assembly connected to a fabric, a second side support assembly connected to the fabric, and a center support assembly. The first side support assembly has a first engagement subassembly fastened to the first side support assembly and the second side support assembly has a second engagement subassembly fastened to the second side support assembly. The center support assembly has a first receiving subassembly to receive a first engagement tab of the first engagement subassembly and also has a second receiving subassembly to receive a first engagement tab of the second engagement subassembly. The first receiving subassembly, the second receiving subassembly, the first engagement subassembly, and the second engagement subassembly hold the first side support assembly and the second side support assembly to the center support assembly.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Focusing lens with electrowetting based macro switch]]></title>
<link>http://www.freepatentsonline.com/7613388.html</link>
<description><![CDATA[The present invention provides a discretely adjustable lens ( 300 ) that is controllable by means of electrostatic or electrowetting forces. The lens provides two accurately reproducible and freely designable lens states that are defined by interfaces between one out of two fluids ( 120,121 ) and at least one lens face ( 155 ). Changing place of the fluids by means of electrostatic or electrowetting forces provides for switching between the lens states. The lens may, for example, provide a macro lens option in a camera lens arrangement.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical scanning apparatus, image forming apparatus using the same and method of regulating the optical scanning apparatus]]></title>
<link>http://www.freepatentsonline.com/7612928.html</link>
<description><![CDATA[An optical scanning apparatus includes a plurality of light sources for emitting light beams and a rotary deflector for deflecting the light beams. A revolution number (Rm) of the rotary deflector is reduced to Rdef×(V/Vmax) if V/Vmax is greater than a value; and the revolution number (Rm) thereof is reduced to Rdef×(V/Vmax)×m and the number of the light beams is reduced to Ndef/m if V/Vmax is not greater than the value. V is a process linear velocity of the image forming apparatus; Vmax is a maximum process linear velocity thereof; Ndef is the number of the light beams at the maximum process linear velocity Vmax; and Rdef is the revolution number of the rotary deflector thereat; and m is a positive integer, and Vmax is greater than V (Vmax&gt;V).]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical device]]></title>
<link>http://www.freepatentsonline.com/7612944.html</link>
<description><![CDATA[An optical device includes a silicon substrate, and multiple columnar members. The columnar members are integrally formed with the silicon substrate and stand on a top surface of the silicon substrate. The columnar members are made of silicon oxide. Light enters the columnar members in a first direction and propagates through the columnar members in a second direction. The columnar members extend in a third direction. The columnar members are arranged with a gap in the second direction. The second direction is perpendicular to the third direction. An angle between the first and third directions is greater than a critical angle and equal to or less than 90 degrees.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Microscope-use component and microscope system constituted by the microscope-use component]]></title>
<link>http://www.freepatentsonline.com/7613528.html</link>
<description><![CDATA[A plurality of microscope-use components are provided for interconnection in a microscope system. Each of the microscope-use components includes a communication interface which enables communication with a control apparatus of the microscope system by a prescribed communication system; a connection component-related information obtainment unit for obtaining connection component-related information that is related to another microscope-use component from a connectable other microscope-use component; and a control unit for transmitting, to the control apparatus of the microscope system by way of the communication interface, the connection component-related information of the other microscope-use component obtained by the connection component-related information obtainment unit and microscope-use component itself-related information that is related to the present microscope-use component.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Projection display and optical integrator]]></title>
<link>http://www.freepatentsonline.com/7611246.html</link>
<description><![CDATA[A projection display makes it possible to minimize the costs of a polarization conversion element, and concurrently makes it possible to improve illuminance nonuniformity and optical utilization efficiency and to accomplish physical apparatus compactness. An optical integrator used in the projection display is configured such that, in comparison to the number of arrangements of polarization conversion units in a predetermined direction, a split number of an array lens in the same direction is greater.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Third-order optical autocorrelator for time-domain operation at the telecommunication wavelengths]]></title>
<link>http://www.freepatentsonline.com/7612935.html</link>
<description><![CDATA[A device and method for producing a third harmonic signal from an optical pulse of wavelength k. In the device and method, an optical pulse at a wavelength k is incident on a material including at least one molecule having a formula D—U—A, where D is an electron donor group, A is an electron acceptor group, and Π is a conjugated structure having it bonds that connect D to A. The molecule exhibits a strong absorption band centered at a wavelength ko  and a weakly absorbing region centered at a wavelength k, which is less than Xo. A wavelength k/2 has a value of about Xo, and a wavelength k/3 has a value of about X 1 . A third harmonic signal at k/3 is generated. From a measured third harmonic signal as a function of a time delay for separate optical pulses entering the material, at least one of a pulse width and a pulse shape of the optical pulse can be extracted. From a spectrally resolved third harmonic signal, a phase of the optical pulse can be extracted.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical element module and image pickup device]]></title>
<link>http://www.freepatentsonline.com/7612953.html</link>
<description><![CDATA[An optical element module includes an optical element, and a plurality of actuator elements. In the module, each actuator element has an ion conductive polymer film and electrodes arranged on both sides of the film, and a whole of the actuator element is bent in a direction of thickness by applying a voltage between the electrodes, and the direction of the thickness of the actuator elements is a direction of an optical axis of the optical element, the actuator elements are arranged at equal intervals around the optical axis on a plane perpendicular to the optical axis, and a displacement due to the bend of one end part of at least one actuator element acts on one of a side surface and a bottom surface of the optical element to effect one of tilting and movement in the direction of the optical axis of the optical element.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Substrate guided relay with homogenizing input relay]]></title>
<link>http://www.freepatentsonline.com/7613373.html</link>
<description><![CDATA[An optical relay system ( 200 ) includes a scanned light source ( 206 ) and a substrate guided relay ( 204 ). The substrate guided relay ( 204 ) includes an input coupler ( 201 ), an output coupler ( 203 ), and an optical substrate ( 202 ) disposed therebetween. A light homogenizing relay device ( 208 ) is disposed between the scanned light source ( 206 ) and the substrate guided relay ( 204 ). The light homogenizing relay device ( 208 ) is configured to receive a light beam ( 207 ) from the scanned light source ( 206 ). The light homogenizing relay device ( 208 ) makes at least one copy ( 209 ) of the light beam ( 207 ), and delivers the light beam ( 207 ) and the at least one copy ( 209 ) to a light receiving surface ( 210 ) of the input coupler ( 201 ), thereby effectively creating a larger input beam while retaining the angular spread of the initial light beam ( 207 ).]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Optical element for condensing incident light]]></title>
<link>http://www.freepatentsonline.com/7612323.html</link>
<description><![CDATA[To obtain an optical element for generating near-field light which can accurately detect positions of a plurality of minute structures formed on a metallic thin film provided to a condensing surface, and a method of adjusting an optical spot position of the optical element. The metallic thin film is formed on the condensing surface of the optical element that condenses incident light so as to generate near-field light smaller than an condensing spot B near a condensing point, and a plurality of openings (minute structure) for generating the near-field light are formed into a matrix matter on the metallic thin film, and position detecting structures are formed on positions that partitions the openings is formed. Scanning in X and Y directions is carried out by a light beam, and its reflected light is detected so that the positions of the openings are detected.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Polarizing plate with an optical compensation layer, method of producing the same, and liquid crystal panel, liquid crystal display apparatus, and image display apparatus, using the polarizing plate with an optical compensation layer]]></title>
<link>http://www.freepatentsonline.com/7612845.html</link>
<description><![CDATA[There is provided a polarizing plate with optical compensation layers that contributes to reduction in thickness and has excellent heat resistance and moisture resistance. A polarizing plate with optical compensation layers according to an embodiment of the present invention includes: a polarizer; a first optical compensation layer;  a second optical compensation layer; and a third optical compensation layer, in this order. The first optical compensation layer has a refractive index profile of nx&gt;ny=nz, and an in-plane retardation Re 1  of 200 to 300 nm; the second optical compensation layer has a refractive index profile of nx&gt;ny=nz, and an in-plane retardation Re 2  of 80 to 170 nm; and the third optical compensation layer is formed of a material exhibiting an optical negative uniaxial property, and the material is aligned so as to be inclined.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Nonresonant multiple pass nonlinear structure]]></title>
<link>http://www.freepatentsonline.com/7612934.html</link>
<description><![CDATA[A system, a structure, and a method for the generation of second harmonic light are provided. A laser system comprises a seed laser that produces a fundamental frequency light, and a nonresonant multiple pass nonlinear structure generates a second harmonic light using the fundamental frequency light. A second harmonic outcoupler outputs the second harmonic light from the laser system and a reflecting structure reflects a remaining portion of the fundamental frequency light back into the nonresonant multiple pass nonlinear structure to generate additional second harmonic light.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Adjustment mechanism]]></title>
<link>http://www.freepatentsonline.com/7612952.html</link>
<description><![CDATA[An adjustment mechanism to adjust a telescope sighting system comprises an adjusting muff rotatably supported on a connector part to drive the adjustment mechanism. The connector part is designed to transmit the motion of the adjusting muff to its connected components in order to adjust them. A first interlocking component is linked to the adjusting muff and fitted with first lock elements to constitute a first click array. A display means indicates the excursion of rotation of the adjusting muff, and a switch actuates the displays following a predetermined rotational excursion of the adjusting muff. A second interlocking component linked to the adjusting muff is provided with a second click array—different from the first click array—constituted by second lock components.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Photographing system]]></title>
<link>http://www.freepatentsonline.com/7613387.html</link>
<description><![CDATA[A photographing system includes a lens apparatus having an image blur correcting device configured to correct and/or reduce image blur caused by vibration, a vibration sensor for detecting vibration applied to the lens apparatus, a position detecting device configured to detect a position change of the lens apparatus, and a controlling device configured to control the image blur correcting device using a detection signal of the position detecting device. The photographing system reduces the influence of low frequency noise of a vibration sensor, while maintaining the quality of a vibration isolation function of the lens apparatus.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Scanned light beam display with brightness compensation]]></title>
<link>http://www.freepatentsonline.com/7612737.html</link>
<description><![CDATA[A scanned beam display is operable to compensate for variations in apparent pixel brightness arising from variations in beam scanning velocity and/or pixel dwell times. A compensation circuit modifies pixel values according to their scanning velocity and/or dwell time.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Objective optical system for optical recording media and optical pickup device using it]]></title>
<link>http://www.freepatentsonline.com/7613098.html</link>
<description><![CDATA[An objective optical system focuses light from a light source onto at least two different types of optical recording media having different substrate thicknesses in order to record or reproduce information on the optical recording media by using a variable refractive power element and an objective lens. The variable refractive power element may be a liquid crystal element with concentric zones that serves as a transparent plate having no convergence effect when no voltage is applied when selecting an AOD, DVD, or CD and as a converging lens when a voltage is applied when selecting a BD. Alternately, the variable refractive power element may electrically vary the refractive index of a nanoparticle dispersion or at least one liquid of a two-liquid lens element. A diffractive optical element may be used to assist in focusing light to four recording media. An optical pickup device includes the objective optical system.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Solid immersion lens, condensing lens, optical pickup device, optical recording and reproducing apparatus and method of forming solid immersion lens]]></title>
<link>http://www.freepatentsonline.com/7613099.html</link>
<description><![CDATA[A solid immersion lens has an inclined portion formed on at least a part thereof from the tip end portion of the objective side to a spherical portion and an inclination angle θ is expressed as θ≧θi where θi represents the angle of incidence of light incident on the solid immersion lens. There are provided a solid immersion lens capable of increasing a tilt margin between a lens and an optical recording medium and so on and which can decrease a diameter of a lens and a method for forming a solid immersion lens.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Optical scanning probe, optical scanning probe device and method for controlling the optical scanning probe]]></title>
<link>http://www.freepatentsonline.com/7612330.html</link>
<description><![CDATA[An optical scanning probe is provided and includes an optical scanning element which scans a subject with light, and a signal switching section for switching a drive signal for making the optical scanning element perform optical scanning. The optical scanning element includes a movable portion having a micro mirror which is displaced in a first rotating direction and a second rotating direction, and first and second drivers which apply physical acting forces to the movable portion. The signal switching section has a function for switching a driving preparation signal for attracting the movable portion in either the first rotating direction or the second rotating direction into a scanning drive signal for attracting the movable portion in the first rotating direction and the second rotating direction alternately. The maximum voltage of the driving preparation signal is set value to be higher than the maximum voltage of the scanning drive signal.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
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<item>
<title><![CDATA[Electric dust-proof device]]></title>
<link>http://www.freepatentsonline.com/7611295.html</link>
<description><![CDATA[An electric dust-proof device includes a driving mechanism disposed on a base seat unit, and a dust-proof plate driven by the drive mechanism. The driving mechanism includes a power unit, a drive unit driven by the power unit, a driving seat driven by the drive unit, and a driven seat driven by the driving seat. The dust-proof plate is driven by the driven seat to move between an open position and a close position.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Method of producing maps and other objects configured for presentation of spatially-related layers of data]]></title>
<link>http://www.freepatentsonline.com/7611602.html</link>
<description><![CDATA[A method of fabricating maps and other objects presenting multiple sets of spatially related information. Spatial alignment data, such as geographical boundaries is selected. First and second images are created by aligning or mapping first and second sets of information to the spatial alignment data. A lens sheet or lenticular material is fabricated, and based on the lens sheet configuration, the first and second images are combined to create an interlaced image including alternating strips from the first and second images. The interlaced image is printed on a substrate or the reverse side of the lens sheet, and the substrate is bonded to the lens sheet such that the interlaced image is sandwiched between the lens sheet and substrate. The first image is visible when the map or object is in a first position and the second image when the map or object is rotated to a second position.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Multispectral image capturing apparatus]]></title>
<link>http://www.freepatentsonline.com/7612822.html</link>
<description><![CDATA[A multispectral image capturing apparatus has different spectral sensitivity characteristics of at least four bands. Three primary bands of the at least four bands have spectral sensitivity characteristics of standard RGB. At least one auxiliary band of the rest of the at least four bands excluding the three primary bands has a spectral sensitivity characteristic of a narrower bandwidth than bandwidths of the RGB.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Polarization mode dispersion compensator and polarization mode dispersion compensating method]]></title>
<link>http://www.freepatentsonline.com/7613366.html</link>
<description><![CDATA[An amount of change of a control signal applied to a polarization controller in a polarization mode dispersion compensator is determined for each feedback loop by evaluating degree of polarization response in past feedback loops.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Flexible printed wiring board arrangement of an imaging device]]></title>
<link>http://www.freepatentsonline.com/7613390.html</link>
<description><![CDATA[A flexible printed wiring board arrangement of an imaging device includes an image pickup device movable in a plane orthogonal to an optical axis, a flexible printed wiring board extending from the image pickup device, and a movable support member which is positioned behind the image pickup device in the optical axis direction to support the flexible printed wiring board. The movable support member moves with the image pickup device in directions orthogonal to the optical axis when the image pickup device is moved, and a part of the flexible printed wiring board is disposed along a front surface of the movable support member behind the image pickup device.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Illumination aperture for projection display]]></title>
<link>http://www.freepatentsonline.com/7611247.html</link>
<description><![CDATA[An optical system and method of increasing the contrast of a projected image. The optical system ( 1800 ) comprises a combination of aperture stops ( 1810, 1812 ) in at least one of the illumination and projection paths to filter scattered light and/or light prone to scatter into the projection aperture.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Security document and security element for a security document]]></title>
<link>http://www.freepatentsonline.com/7611168.html</link>
<description><![CDATA[Security element  2, 4  to be embedded in or applied to a security document so that it is visually recognizable from both sides of security document  1  is of multilayer construction and includes interference element I with a color shift effect and diffraction structures  8.  Depending on the arrangement of the layers and existing diffraction structures  8  on transparent substrate S the color shift effect and/or the diffractive effects are perceptible from one or both sides of security element  2, 4.  The security element is suitable in particular as two-sided windowed thread  4  and as label or transfer element  2  over hole  3.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Method and apparatus for controlling building component characteristics]]></title>
<link>http://www.freepatentsonline.com/7610910.html</link>
<description><![CDATA[A building component system includes a building component that is controllable between a first state and a second state in response to a sensed condition. The system may include a sensor on a first side of the building component and a sensor on the second side of the building component. The building component may be a window that is controllable between an opaque state and a clear state by a micro electromechanical system (MEMS) network that senses the conditions on both sides of the window.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

<item>
<title><![CDATA[Lithographic apparatus, contaminant trap, and device manufacturing method]]></title>
<link>http://www.freepatentsonline.com/7612353.html</link>
<description><![CDATA[A lithographic apparatus includes a radiation system including a radiation source for the production of a radiation beam, and a contaminant trap arranged in a path of the radiation beam. The contaminant trap includes a plurality of foils or plates defining channels that are arranged substantially parallel to the direction of propagation of said radiation beam. The foils or plates can be oriented substantially radially with respect to an optical axis of the radiation beam. The contaminant trap can be provided with a gas injector which is configured to inject gas at least at two different positions directly into at least one of the channels of the contaminant trap.]]></description>
<pubDate>Tue, 03 Nov 2009 08:00:00 EST</pubDate>
</item>

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