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7019616 Wireless message system with monitor feedback and automatic backup control  
A messaging system for determining whether a wireless message has been transmitted includes a wireless transmitter, a messaging controller and a transmission monitor. The transmission monitor...
6433669 Radio paging receiver with an error indicating function in which error indication data to overwrite faulty message data can be altered  
A radio paging receiver including a data memory ( 1 ) for memorizing message data and error indication data to overwrite the message data, a control unit ( 2 ) for overwriting the message data with...
6420960 Method for optimizing memory utilization of a selective call unit  
A selective call unit (SCU) ( 122 ) is used for receiving a sequence of interspersed message fragments (FIG. 4 ) belonging to a plurality of messages transmitted by a messaging system. The SCU (...
6154147 Message processing in two-way data devices  
In a technique for reducing duplicate messages in a two way data device, a determination (30) is made as to whether a first signature of a new message is the same as a second signature of a...
6131045 Radio communication device for restricting specific function and method for restricting the function  
A radio communication device 7 existing in a function control area 3 receives both a call signal 4 from a base station and a function control signal 5 transmitted from a function control signal...
6124802 Selectively called radio receiver and controlling method thereof  
A selectively called radio receiver is arranged by a receiving unit for receiving a radio selection signal, an operation unit for accepting an operation, a storage unit for storing a control...
6088407 Digital diversity receiver system  
A two-way paging system includes one or more transmitters, a plurality of receivers, and at least one two-way personal paging unit or pager. The two-way pager receives pages from the transmitter,...
6067444 Method and apparatus for duplicate message processing in a selective call device  
A method (100) for enhanced duplicate message processing at a portable subscriber unit (122) comprises the steps of receiving a first message having a first set of message data and a message...
6052572 Mobile communication apparatus  
A mobile communication apparatus includes an amplification circuit, a power supply section, a signal conversion section, a detector, and a control section. The amplification circuit amplifies a...
6008737 Apparatus for controlling utilization of software added to a portable communication device  
An apparatus at a fixed portion (102) of a communication system controls utilization of software (398) in a portable communication device (122) that includes a transceiver (302) for communicating...
6006068 Two-way pager with transmit threshold  
Application of power to a transmitter in a messaging device is preceded by measuring a quality of at least one base station down-link signal received by a receiver in the device, and producing a...
5991600 Integration of mobile station channel measurement with paging channel displacement operation in a wireless communications system  
In connection with paging displacement operation, a mobile station delays entry into sleep mode in order to read a specified number of subsequent alternate (i.e., every other) additional paging...
5982294 Paging receiver which performs data communication protocol analysis through execution of control program  
In a paging receive for use in a radio paging system which employs a sophisticated data communication protocol, all protocol analysis operations such as de-interleaving and error correction...
5926109 Radio selective calling receiver and method of judging received data  
A data storage section 4 stores therein successively the data which has been received and their transmission numbers. A control section 3 operates a same call judging section 4, a transmission...
5905945 Method and apparatus for improving the reliability of communicating a message from a portable subscriber unit to a base receiver in a two-way radio messaging system  
A portable subscriber unit (104) monitors (602) a signal fading rate in an outbound channel from a base station (102), and transmits a message. The portable subscriber unit transmits (606) the...
5905447 Selective call receiver and method for conveying message origination information for a selective call receiver  
A method for conveying message origination information in a selective call receiver comprises selectively receiving a message (300) intended for the call receiver (140). The call receiver (140)...
5903830 Transaction security apparatus and method  
A transaction security apparatus which comprises a receiver for receiving one of a limitation and a restriction on an account usage, wherein the one of a limitation and a restriction on an account...
5903818 Radio paging system for improving message receive ratio by reducing intermodulation noise  
A pager includes a radio frequency (RF) attenuator which is initially rendered inoperative and which initiates attenuation of an incoming RF signal in response to a control signal. An amplifier is...
5896374 Variable rate transmission method, transmitter and receiver using the same  
A variable rate transmission method that can vary the transmission rate of data. A transmitting side supplies a transmitted data sequence to an error detecting encoder 105 and a frame memory 103....
5883580 Geographic-temporal significant messaging  
A messaging device for receiving a plurality of messages that have a relevancy status includes a selective call receiver (22) for receiving the plurality of messages, the relevancy status, and...
5878209 Apparatus and method for identifying a failed subscriber unit in a wireless communication system  
An apparatus and method provides identification of a failed subscriber unit (102) in a wireless communication system (100). In a first embodiment, the subscriber unit (102) performs a self test to...
5864298 Pager (ringer) amplification by co-operative emission relay (pacer/racer)  
A pager/ringer system for permitting co-operative emission relay between a plurality of user terminals of a satellite personal communication network (S-PCN) service. Each user terminal includes a...
5850186 Method of receiving radio paging signal  
A method for receiving a normal or an inverted paging signal in a radio pager, which includes the steps of detecting a preamble of a paging signal by reading a cap-code identifying an inherent...
5835023 Selective radio paging system and pager  
In a mobile radio communication system wherein, in order to call a receiver from a base station, a paging signal containing address information corresponding to the receiver to be called is...
5826172 Mobile communications system for repeatedly transmitting paging signals  
In a system which transmits the same paging signals a plurality of times through the air by radio waves, paging signals serve to selectively page radio receivers. Base station facilities can be...
5809090 Digital diversity receiver system  
A two-way paging system includes one or more transmitters, a plurality of receivers, and at least one two-way personal paging unit or pager. The two-way pager receives pages from the transmitter,...
5809016 Selective call receiver and method of processing diversity messages  
In a communication system that transmits diversity messages (an original message followed by one or more copies thereof), a selective call receiver (10) which receives an original message and one...
5805980 Communication receiver for controlling a receive operation in response to a control value  
A method and apparatus determine a response to a control value (316, 320) periodically transmitted by a communication system in at least one code word (306, 332) of a frame (302) of data of a...
5805077 Two-way paging system having reverse channel message frequency authentication  
A method of modifying reverse channel messages in a two-way paging system (101) to authenticate reverse channel messages is disclosed. The intended frequency of the reverse channel message is...
5805076 Mobile communications system  
In a mobile communications system wherein the transmission form changes in the course of the signal, high quality transmission of change information relating to the transmission form is obtained....
5801639 Method for optimizing transmission of messages in a communication system  
A method and apparatus in a radio communication system that employs frequency reuse is used for optimizing transmission of messages to a selective call transceiver (116). The radio communication...
5794124 Time diversity communications system  
A system wherein time diversity reception is performed for each error-corrected or error-detected code word without distinguishing between the address signal and the message signal, the code words...
5778323 Method and apparatus for facilitating a recovery from a configuration error in a communication system  
A message sender (120, 700) and an output controller (110, 600) having an output configuration recover from a configuration error in a communication system. The output controller defines (404) a...
5760699 Method and apparatus for receiving selected paging signal  
In a selected paging signal type receiving apparatus, a transmission code is received which is arranged by coupling a series of signal codes including a preamble, a sync code, and a message code....
5710546 Apparatus for encoding and decoding a digital radio signal  
A radio communication system (100) includes a system controller (102) for encoding data information to generate data messages which have periodic error protection at one or more burst error...
5705994 Receiving apparatus  
A receiving apparatus comprises a decoder for decoding a received signal, a memory for previously storing specified data, a correlator for obtaining correlation between a portion of or all of data...
5682148 Paging system with message numbering prior to transmission  
A paging system repeatedly broadcast each message and associates a sequential message number with each paging message. The message number in each message serves two functions. First, the message...
5652783 Method and apparatus for selectively encoding digital messages in a communication system  
A communication system providing selective encoding of digital messages (408) comprising a plurality of transmitting devices (116) and a plurality of receiving devices (122). The transmitting...
5625881 Time and frequency diveristy in a radio system having intermittent operation receivers  
The invention provides a means by which a radio system in a multipath propagation environment may improve the probability of successful reception of a message by the application of diversity. It is...
5625351 Messaging system having roaming capability  
A messaging system capable of transmitting messages to receivers which roam between coverage areas. In one configuration, a coverage area (100) is divided into a plurality of zones (110). A single...
5610919 Network identification information placement architecture for messaging system having roaming capability  
Network roaming information (NRI), which comprises identifies a network (200) and a service area (210) within the network (200), a receiver address, is transmitted in a network (200) during a...
5577045 Selective call receiver for recovering garbled message fragments  
A selective call receiver is provided that is capable of receiving a transmitted fragmented message and displaying the fragmented message in at least two scripts. The transmitted fragmented message...
5568513 Standby power savings with cumulative parity check in mobile phones  
A power saving standby mode that can be used in mobile radio stations operating in current networks and improves in the intended message reception. The invention enters the power down mode...
5563910 Recursive baud rate detection method and apparatus  
A selective call receiver (5) has a programmable baud detector (12, 14) which is programmed (30) to test (33) for an absence of a paging signal having a predetermined baud rate at a first falsing...
5555192 Detection of duplicate identification codes in communication units  
A monitoring computer (115) monitors the communications occurring within at least one communication system for a unique communication unit identification (ID) code associated with a communication...
5537100 System and method for analyzing coded transmission sent to mobile message receivers  
A pager decoding system is provided which is compatible with the POCSAG encoding standard and which improves battery savings. The disclosed pager includes a baud rate detector for evaluating...
5533095 Data transfer system  
A data transfer system capable of preventing a transmitter from receiving erroneous message data because of an instantaneous interruption of a transmission line. The radio paging terminal includes...
5499021 Paging receiver with a display function that inhibits display of a received command signal  
A paging receiver with a display function allows a conventional message to be displayed and a receiver control signal to be sent together in a single message format. A first and a second...
5493602 Paging receiver capable of avoiding disturbance raised on reception of an unnecessary message  
In a paging receiver capable of receiving and displaying a message on a display section, a receivable message format is predetermined not to receive an unnecessary message. The receivable message...
5493282 Addressing method for conserving power in distributed information receivers  
A communication receiver (106) receives an address code word (1800) of a transmitted message, the message comprising the address code word (1800) and an associated data portion (1610), the address...
Matches 1 - 50 out of 105 1 2 3 >