Matches 501 - 550 out of 701 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
5848129 Electronic billboard with telephone call-in control  
A conventional billboard for displaying a visual message is combined with a communication system for enabling a message related to the message displayed by the billboard to be transmitted from the...
5848098 Personal base station extension calling arrangement  
A base station includes a digital signal processor, the base station operable to communicate with at least first and second wireless terminals using compressed digital signals modulated onto a...
5845201 Subscriber RF telephone system having distributed channel switching capability  
A radio communication system for processing information signals received from telephone trunk lines for transmission over a plurality of RF subscriber channels is disclosed. The system includes a...
5844868 Digital-analog shared circuit in dual mode radio equipment  
A digital-analog shared circuit in dual mode radio equipment, which shares a local oscillator in a digital mode and analog mode. A first frequency synthesizer generates a first and a second local...
5842138 Configuration-independent methods and apparatus for software communication in a cellular network  
A configuration-independent software architecture for implementing a cellular communication network that facilitates communication among a plurality of cellular handsets. The architecture includes...
5842122 Apparatus and method for alternative radiotelephone system selection  
A dual mode cellular cordless portable radiotelephone preferentially selects the cordless base station over the cellular system when in range of the cordless base station. When the cordless...
5841854 Wireless telephone integration system and method for call centers and workgroups  
A system and method for automatic call distribution targeting users in workgroups wherein the users utilize either wired or wireless communications tools. Users are chosen via a rule-based...
5825873 Interface for providing call control for a headset attached to a telephone providing call control for a headset attached to a telephone  
A host telephone is connected by an interface to an accessory item. The accessory item is, for example, a cordless headset, a headset amplifier, a remote telephone dialing device, a cordless...
5822318 Method and apparatus for controlling power in a variable rate communication system  
A method and apparatus for controlling transmission power in a variable rate communication system is disclosed. The method disclosed provides for a closed loop power control method. A first remote...
5819173 Dynamically reconfigurable wireless communicator  
A method and apparatus is provided for communicating on a wireless network which offers a selected service. In accordance with the method, a wireless communicator is tuned to a first signaling...
5818825 Method and apparatus for assigning communications channels in a cable telephony system  
A method and apparatus in a communications system (100) for providing communications units (134) access to the communications system (100). The communications system (100) includes a cable...
5812945 Metered payment cellular telephone communication system  
This invention overcomes the disadvantages of the prior art by providing a cellular telephone metering systems that allows phone calls to be made as long as sufficient funds or call units reside in...
5812944 Mobile speech level reduction circuit responsive to base transmitted signal  
In a mobile radio communication system where a base station is connected to a public switched telephone network, a hybrid unit and an echo canceler are provided in the base station. A mobile...
5809414 User out-of-range indication for digital wireless systems  
A system for notifying users of digital wireless communications that a mobile unit is moving out of range and communication is about to be lost. The system inserts an audible indication as the...
5802471 Mobile communication system, automatic call receiving method, and mobile station  
This invention provides a mobile communication system in which a call-incoming side can switch a communication line to an appropriate one which corresponds to a communication type requested by a...
5802465 Data transmission in a radio telephone network  
For bidirectional transmission of packet data, a packet data service unit (Agent) is disposed in a digital cellular system connected to be in association with a Mobile Switching Center, and...
5802177 Apparatus for radio local loop system  
Apparatus for a radio local loop for a telecommunications system, such as a base station (1) or a subscriber station (2), comprises a first unit (4, 13), which includes call processing and speech...
5797089 Personal communications terminal having switches which independently energize a mobile telephone and a personal digital assistant  
A personal communications terminal (PCT) in a case having a first half hingedly connected to a second half. The PCT operates in an open and a closed position and comprises a mobile telephone unit...
5794139 Automatic generation of private authentication key for wireless communication systems  
Apparatus and method for automatically generating an authentication key (A-Key) in a mobile station wherein the mobile station periodically receives random numbers from a base station, and...
5784442 System and method for real-time billing in a radio telecommunications network  
A system and method for providing real-time billing (RTB) information to mobile subscribers operating mobile stations in a radio telecommunications network and involved in a call in which at least...
5781860 Method for controlling subscriber stations in a radio-telecommunications system  
In a radiotelecommunications system where some of the subscriber stations are able to communication with one another on a direct mode channel, to direct subscriber stations to one and the same...
5781856 Concentrated subscriber system for wireless local loop  
A cellular telephone concentrated subscriber system is described. The concentrated subscriber system includes a set of subscriber units coupled to a concentrated subscriber system controller. The...
5781855 Method and apparatus for identifying call records for a call in a cellular communication network  
A method and apparatus for identifying call records in such a manner as to make it possible for a post processing system to produce one bill based upon information stored in all of the produced...
5781854 Multiple wireless switching units embedded in a switching system  
Embedding one or a plurality of wireless switches into a switching system. The wireless switches are both physically and logically integrated into the switching system. The switching system...
5781540 Device and method for communicating in a mobile satellite system  
The present invention relates to a device and a method for communicating in a mobile communication system. The method provides a carrier signal having a plurality of frames. Each frame has a...
5771468 Multi-purpose base station  
The invention provides a modular base station for use in a plurality of telecommunications systems where the systems operate according to different standards. The base station comprises a chassis...
5765106 Authorized cellular telephone communication access and verification control system  
This invention relates to a cellular telecommunications systems that utilizes encryption and employs encrypted seed number signals to make it more difficult to make unauthorized cellular telephone...
5764730 Radiotelephone having a plurality of subscriber identities and method for operating the same  
A radiotelephone (303) comprises a plurality of subscriber identities (306-308) operative in a radiotelephone system (300) at the same time. The radiotelephone network (301) processes incoming and...
5758286 Method for accomplishing a mobile telecommunications connection using abbreviated dialing  
A method for placing a call from a first mobile station to a second mobile station using predetermined abbreviated dialing. An A-subscriber dials a short number at the first mobile station which is...
5758256 Method of transporting speech information in a wireless cellular system  
A method of transporting speech information over a wireless cellular communications system is provided. By determining the existence and compatibility of the destination port with the origination...
5752186 Access free wireless telephony fulfillment service system  
A information fulfillment system and method for providing information to a caller having a wireless communication device. Upon receipt of sensory prompting and manual or automatic input of access...
5749045 Method for handling alarm conditions in a paging system  
A method for handling alarm conditions from paging stations in a paging system is disclosed. The paging system includes a paging terminal, a plurality of paging stations, and a network manager....
5745492 Speech information freeze-out control method and equipment in mobile satellite communication system  
A speech freeze-out method in a communication system for transmitting speech information, which is sent from public telephone terminals (1) to a control center (5) through voice channels, from the...
5740531 Digital mobile telephone communication method, communication channel switching method, and mobile station and base station for implementing same methods  
Data signals such as a pseudo noise pattern and character data are transmitted along with voice signals over one voice signal channel, thereby allowing an accurate measurement of communication...
5740530 Rapid received signal strength indication  
There is provided a method of rapid Received Signal Strength Indication (RSSI) of a time-dispersed signal having echoes (where the time dispersal represents a significant fraction or more of the...
5737695 Method and apparatus for controlling the use of discontinuous transmission in a cellular telephone  
A method and apparatus for controlling the use of discontinuous transmission in a cellular telephone. The preferred embodiment of the present invention includes a voice activity detector for...
5734707 Telephone system  
A telephone system includes a plurality of telephones which do not require the use of a telephone company central switching station and which do not require the use of any other central control...
5734678 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A terrestrial Rf telephone system provides a plurality of voice signal channels on a plurality of forward direction carrier frequencies, each carrier frequency having an associated predetermined...
5734639 Wireless direct sequence spread spectrum digital cellular telephone system  
An exceptionally efficient operation is achieved through the use of orthogonal code divisional multiple access radio communication between a base station and a plurality of user handsets. Each user...
5732356 Method and an arrangement for sound reconstruction during erasures  
Digital audio or sound information such a speech is typically transmitted in bursts or packets containing a plurality of digitized sound samples. For the reconstruction of such a digital data...
5722066 PSTN transaction processing network employing wireless transceivers  
A business transaction network including a wireless communication link for coupling a card transaction terminal to a host computer through the public switched telephone network (PSTN). The wireless...
5719936 Communication device for mobile operation having a telephone and notebook with display  
A communication device for mobile operation is equipped with a telephone as well as with a notebook with a display. Prior art devices have a housing in "pocket format" and a practically...
5717737 Apparatus and method for transparent wireless communication between a remote device and a host system  
An apparatus and method is provided for transparent communication between a wireless remote or mobile device and a fixed wired communication host network. The apparatus and method may include a...
5715311 Communication terminal apparatus  
A communication terminal apparatus having a speech input module arranged movable from a position adjacent to a main shell to a position distanced from the main shell for calling. The communication...
5715296 Concurrent wireless/landline interface apparatus  
An apparatus for interfacing at least one land-line telephone service, at least one wireless cellular-type telephone service, at least one cellular-type wireless telephone and at least one standard...
5694454 Apparatus for message re-transmission on demand  
A communication system (100) providing analog message re-transmission on demand comprises a base station (114) and at least one portable communication transceiver (118). The base station (114)...
5687194 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels  
A system for the wireless transmission of multiple information signals utilizing digital time division circuits between a base station and a plurality of subscriber stations. The subscriber...
5682600 Method for starting a short message transmission  
A method for starting a short message transmission in a cellular radio network, a corresponding cellular radio network, and a subscriber register for a cellular radio network. The subscriber...
5666398 Switching equipment and method for radiotelephone system of the local or private branch exchange type  
A radio telephone system is disclosed to satisfy in the short term basic telecommunication needs of areas which are insufficiently or not yet covered. The system has a number of duplex radio...
5642400 Communication apparatus used for communicating in accordance with a multi-channel access method  
A communication apparatus to which communication units for communicating in accordance with a multichannel access method are connected comprises a receiver to receive ID information of a...
Matches 501 - 550 out of 701 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >