Matches 1 - 46 out of 46
Match Document Document Title
RE39427 Cellular telephone data communication system and method  
The cellular telephone data communication system and method involves the use of a mobile data processing interface and a cooperating static data processing interface to effectively transmit data...
6934551 Method for wireless data transmission for adaptive multiple protocols  
A method for wireless data transmission for adaptive multiple protocols is disclosed. In one embodiment, data is collected by a data collecting devices and transmitted to one or more Cellular...
RE38645 Portable hybrid communication system and methods  
A laptop device includes a personal computer, a cellular transceiver, a speakerphone, and a hybrid communications control unit. The device has connectors for attaching a headset, cellular control...
RE38127 Portable hybrid communication system and methods  
A laptop device includes a personal computer, a cellular transceiver, a speakerphone, and a hybrid communications control unit. The device has connectors for attaching a headset, cellular control...
6272190 System for wireless transmission and receiving of information and method of operation thereof  
The invention is a method of data transmission. The method includes transmitting a first data transmission and a time delayed second data transmission which is identical to the first data...
RE37141 Cellular telephone data communication system and method  
The cellular telephone data communication system and method involves the use of a mobile data processing interface and a cooperating static data processing interface to effectively transmit data...
6098100 Method and apparatus for detecting a wake packet issued by a network device to a sleeping node  
In a method and apparatus for detecting a wake packet among data bytes in a packet frame issued by a network device, the data bytes in the packet frame are initially compared with a sync byte to...
5914992 Hunting sub-frame patterns distributed in sub-frames of a transmission signal  
In a synchronizing system searching for k sub-frame patterns respectively distributed in k sub-frames in one frame of data transmitted via a transmission line where k is an integer, a frame pattern...
5794160 Data communication interface having status memory for storing conditions of radio channel  
A data communication interface for interfacing between a digital radio telephone and computer includes a first protocol converter for converting forward channel data from the telephone into a form...
5751773 System for wireless serial transmission of encoded information  
The present invention provides reconstruction and resynchronization of wireless serial transmissions which are subject to fading causing erroneous uncorrectable bit errors exceeding the error...
5745532 System for wireless transmission and receiving of information and method of operation thereof  
A system and method is disclosed for wireless transmission of information which is subject to fading by using a RF carrier modulated with a subcarrier modulated with the information. The system has...
5742644 Receiving circuitry for receiving serially transmitted encoded information  
The present invention provides reconstruction and resynchronization of wireless serial transmissions which are subject to fading causing erroneous uncorrectable bit errors exceeding the error...
5719873 Frame-synchronous reproducing circuit  
A frame-synchronous reproducing circuit (10) includes a BIC status register (20) of six stages, and a BIC status signal (c) from each stage of the register is applied to a BIC pattern determination...
5717725 System for wireless transmission and receiving of information through a computer bus interface and method of operation  
A system and method is disclosed for transmission of information which is subject to fading by using a RF carrier modulated with a subcarrier modulated with the information. The system has a bus...
5710798 System for wireless transmission and receiving of information and method of operation thereof  
A system and method is disclosed for wireless transmission of information which is subject to fading by using a RF carrier modulated with a subcarrier modulated with the information. The system has...
5694428 Transmitting circuitry for serial transmission of encoded information  
The present invention provides reconstruction and resynchronization of wireless serial transmissions which are subject to fading causing erroneous uncorrectable bit errors exceeding the error...
5650769 Radio receiver for use in a radio tracking system and a method of operation thereof  
A radio tracking and ranging system is disclosed which has at least one mobile radio frequency transmitter and a radio frequency receiver. The radio frequency receiver has a range control which...
5640444 Methods and apparatus for controlling data transmission using radio devices  
A system for connecting a computer to both cellular and landline telephone systems is disclosed. A cellular modem has a single RJ-11 jack for interfacing either to a landline jack or to a signal...
5640146 Radio tracking system and method of operation thereof  
A radio tracking and ranging system is disclosed which has at least one mobile radio frequency transmitter and a radio frequency receiver. The radio frequency receiver has a range control which...
5610911 Method and device for channel selection  
The present invention provides a method and device for channel selection for setting at least one channel among N channels as a reference channel, detecting temporal location of the reference...
5574788 Trunked radio repeater system  
A digitally trunked radio repeater system provides substantial improvements in timeliness of channel acquisition and channel drop, and in reliability of critical control signalling. The system uses...
5509016 Procedure and arrangement for a radio communications system  
For a radio communications system with time-divided frequencies, the synchronization between a base station and a mobile station is shifted as the mobile moves. The base station transmits symbol...
5475716 Method for communicating block coded digital data with associated synchronization/control data  
Block coded digital data is communicated with associated overhead data in a data stream having a succession of coded blocks. Each block contains N symbols wherein M of the symbols comprise...
5438610 Method for establishing a communication link between a ground-base caller and a passenger on board an aircraft  
A ground-to-air telephone calling system is provided including a computer for receiving an airborne telephone number and a call-back number from a calling party and forming the telephone numbers...
5339337 Permuted block synchronization  
There is provided a mechanism for block synchronization. It comprises: predeterminally arranging synchronization words about a point of interest, transmitting such arrangement, receiving that...
5321521 Image data compression transmission method utilizing a synchronization code  
An image data compression transmission method performs coding of image data into coded data line by line, by a predetermined coding process, adding a synchronizing code to the coded data and...
5309153 Adaptive on-off control for radio receiver  
A paging system using synchronized transmission protocol and pagers active during monitor intervals to receive data transmitted during corresponding message intervals is provided with adaptive...
5299236 System and method for obtaining and maintaining synchronization of a demodulated signal  
A system and method for obtaining and maintaining synchronization with an incoming signal prior to and during the transmission of data. Specifically, embodiments of the present invention...
5299235 Time synchronization of a receiver in a digital radio telephone system  
A method for improving time synchronization of digital data signals in receivers by using more than one known data sequence to provide a plurality of timing recovery functions and based on these,...
5295163 Synchronization method for a run length-limited (1,7)-code, and circuit arrangement for said method  
For word synchronization of a run length-limited (1.7)-code with a code rate of 2/3 a synchronization sequence is inserted in the bit-serial sequence of three bit-wide code words, which...
5278891 Ground-to-air telephone calling system and related method  
A ground-to-air telephone calling system is provided including a computer for receiving an airborne telephone number and a call-back number from a calling party and forming the telephone numbers...
5206863 Processor-to-processor communications protocol for a public service trunking system  
A downlink between a communications dispatch console and a digitally trunked radio repeater system site controller efficiently transfers message data between the site controller and the console...
5185740 Information transmitting device  
In an information transmitting device which transmits information in a preamble portion and a plurality of data blocks as a unitary set, when a block synchronizing code in the data blocks is...
5172381 Enhanced data formats and machine operations for enabling error correction  
A record medium, such as a magnetic tape, optical disk, magnetic disk, and the like stores data signals and error redundancy signals. Resynchronization signals are interleaved between the recorded...
5155479 Radio receiver with adaptive on-off control  
A paging system using synchronized transmission protocol and remote pagers active during monitor intervals to receive data transmitted during corresponding message intervals is provided with...
RE34034 Cellular telephone data communication system and method  
The cellular telephone data communication system and method involves the use of a mobile data processing interface and a cooperating static data processing interface to effectively transmit data...
5128930 Processor-to-processor communications protocol for a public service trunking system  
A downlink between a communications dispatch console and a digitally trunked radio repeater system site controller efficiently transfers message data between the site controller and the console...
5125102 Trunked radio repeater system including synchronization of a control channel and working channels  
A digitally trunked radio repeater system provides substantial improvements in timeliness of channel acquisition and channel drop, and in reliability of critical control signalling. The system uses...
5054035 Digital signal quality evaluation circuit using synchronization patterns  
In evaluating the quality of received digital signals in terminals of a mobile communication system, the bit error rate is measured. Each station receives signals in successive data frames which...
4972457 Portable hybrid communication system and methods  
A laptop device includes a personal computer, a cellular transceiver, a speakerphone, and a hybrid communications control unit. The device has connectors for attaching a headset, cellular control...
4939746 Trunked radio repeater system  
A digital trunked radio repeater system provides substantial improvements in timeliness of channel acquisition and channel drop, and in reliability of critical control signalling. The system uses a...
4905302 Trunked radio repeater system  
A digitally trunked radio repeater system provides substantial improvements in timeliness of channel acquisition and channel drop, and in reliability of critical control signalling. The system uses...
4852090 TDMA communications system with adaptive equalization  
A method and means for reducing multipath interference distortion in a time-division multiple access (TDMA) communications system is disclosed. A transmitting station (100) formats one or more...
4847877 Method and apparatus for detecting a predetermined bit pattern within a serial bit stream  
The invention relates to a method and an apparatus for the fast detection of a predetermined pattern of n bits embedded in a serial bit stream. The n bits are adjacent or regularly distributed over...
4835731 Processor-to-processor communications protocol for a public service trunking system  
A downlink between a communications dispatch console and a digitally trunked radio repeater system site controller efficiently transfers message data between the site controller and the console...
4823362 Block synchronization data communication unit in mobile radio  
A block synchronization data communication unit enables data communication to be properly effected even through a transmission channel under an extremely unfavorable condition as in mobile radio....
Matches 1 - 46 out of 46