Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 7 - Radio transmission systems, i.e. using radiation field
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
08/1982
08/25/1982EP0058417A2 Method for transmitting time-division multiplexed data
08/24/1982US4346479 Compensation for transmission element nonlinearities in a radio relay transmission system
08/24/1982US4346470 Initial acquisition of synchronization for a station in a TDMA satellite communication network
08/24/1982CA1130481A1 Processor for a tdma burst modem
08/24/1982CA1130429A1 Receiver for satellite navigational positioning system
08/17/1982US4345255 Antenna feed system
08/17/1982CA1130026A1 Space diversity system in tdma communication system
08/10/1982US4344171 Effective error control scheme for satellite communications
08/03/1982CA1129056A1 Method of and an apparatus for a radiotelephone communications system
08/03/1982CA1129008A1 Rack entry vehicle communication system
07/1982
07/28/1982EP0056731A2 Radio communication receiver having a low power consumption oscillator circuit
07/27/1982US4342033 Wave action device for radio frequencies
07/27/1982CA1128611A1 Apparatus for selecting one of a plurality of receivers for receiving a signal from a common source
07/21/1982EP0056277A1 Circuit for eliminating spurious components resulting from burst control in a TDMA system
07/20/1982CA1128134A1 Space diversity reception system having compensation means of multipath effect
07/20/1982CA1128133A2 Data communication system
07/13/1982US4339824 Clock recovery circuit for TDMA system or message switching system
07/13/1982US4339817 Clock recovery circuit for burst communications systems
07/13/1982CA1127716A1 Computer for control of communication systems
07/13/1982CA1127715A1 Radioelectric method and apparatus for collecting and processing data from a multiplicity of stations
07/08/1982WO1982002306A1 Radiotelephone with hands-free operation
07/07/1982EP0055404A1 Method and system for data communication
07/07/1982EP0055293A1 Communication system for providing non-interfering multiple signals over individual common carrier channels
07/06/1982CA1127328A1 Transmitter multiplexing system for a land mobile communication system
07/06/1982CA1127244A2 System for detecting one of a group of spectrally adjacent tones
06/1982
06/29/1982US4337376 Communications system and network
06/23/1982EP0054118A1 Improved go-back-N automatic repeat request communication systems
06/22/1982US4336537 Bi-directional underwater communication system
06/22/1982CA1126341A1 Time equalization apparatus
06/16/1982EP0053771A2 Portable control box for numerically controlled machine tools
06/15/1982CA1125934A1 Multiple access, time-division multiplex, satellite communications system
06/15/1982CA1125860A1 Diversity switch correlation system
06/09/1982EP0053399A1 Method of and system for satellite-switched time-division multiple access
06/08/1982US4334316 Pre-detection maximal ratio combining system for diversity reception of radio frequency signals
06/08/1982US4334315 Wireless transmitting and receiving systems including ear microphones
06/08/1982US4334314 Transmission of time referenced radio waves
06/08/1982US4334306 Transparent intelligent network for data and voice
06/01/1982CA1124880A1 Programmable data terminal for mobile transducers
06/01/1982CA1124799A1 Communications system with repeater stations
05/1982
05/25/1982US4332032 Adaptive hybrid antenna system
05/25/1982US4332026 Multiple data rate digital switch for a TDMA communications controller
05/25/1982CA1124331A1 Satellite communication system for speech and telegraphy
05/18/1982US4330859 Automatic gain control circuit in multi-direction time division multiplex communication system
05/18/1982US4330857 Dynamically variable priority, variable position channels in a TDMA burst
05/18/1982US4330764 Multipath fade equalizer
05/11/1982CA1123491A1 Polling system for a duplex communications link
05/04/1982US4328585 Fast adapting fading channel equalizer
05/04/1982US4328543 Control architecture for a communications controller
04/1982
04/28/1982EP0050478A2 Satellite communications system and apparatus
04/27/1982US4327438 Receiving circuit in an interference-suppressing communications system comprising narrow-band conventional message modulation and additional pseudo-noise phase shift keying
04/27/1982US4327411 High capacity elastic store having continuously variable delay
04/20/1982US4326294 Space diversity reception system having compensation means of multipath effect
04/13/1982US4325141 Intercontinental air to air communications by an optimum mode
04/07/1982EP0048866A1 Method of recognizing digital data when using a digital data transmission, particularly a data transmission in mobile radio communication systems
03/1982
03/31/1982EP0048646A1 Device for the correction of the amplitude distortions of radio signals, and receiver comprising such a device
03/30/1982US4322845 Demand assignment technique for TDMA satellite communication network
03/30/1982CA1121075A1 Method and system for synchronizing a tdma communication network comprising a satellite equipped with several directional beam antennas transmitting signals at various frequencies
03/24/1982EP0048200A1 Tuning-frequency search device for a frequency-modulation radio receiver
03/23/1982US4321705 Digital equalizer for a cross-polarization receiver
03/16/1982US4320513 Electric circuit for the production of a number of different codes
03/16/1982US4320504 Mechanism for synchronization of data ports in TDMA communication
03/16/1982US4320503 Synchronizing transmissions from two earth stations to satellite
03/16/1982CA1120105A1 Mobile radiotelephone station two-way ranging system
03/09/1982US4319353 Priority threaded message burst mechanism for TDMA communication
03/09/1982US4319352 TIM Bus structure
03/09/1982US4319222 Transmitter apparatus for an information transmission system
03/03/1982EP0046741A2 High power multiplexer for dual polarized frequency reuse earth stations
03/02/1982CA1119255A1 Circuit and method for reducing polarization crosstalk caused by rainfall by suitable manipulation of the signals prior to transmission
02/1982
02/24/1982EP0046420A1 Method of establishing single hop DAMA radiotelephone conversations via a satellite
02/24/1982EP0046258A1 Space diversity receiver with I.F. combiner
02/23/1982US4317229 Sectored antenna receiving system
02/23/1982US4317221 Mobile data receiving system
02/23/1982US4317219 Mobile radio system
02/23/1982US4317218 Arrangement for remote control of repeater stations
02/23/1982US4317217 Tag generator for a same-frequency repeater
02/23/1982US4317197 Transparent intelligent network for data and voice
02/23/1982US4317196 Transparent intelligent network for data and voice
02/23/1982CA1118920A1 Tdma intertransponder communication
02/18/1982WO1982000553A1 Tag generator for a same-frequency repeater
02/16/1982US4316283 Transparent intelligent network for data and voice
02/16/1982US4316159 Redundant microwave switching matrix
02/09/1982US4315330 Multiple data rate testing of communication equipment
02/09/1982US4315262 Satellite communication system with a plurality of limited scan spot beams
02/02/1982US4314373 Passive transmitter including parametric device
02/02/1982CA1117671A1 Method and device for synchronizing digital transmissions via satellite
02/02/1982CA1117604A1 Receiving apparatus having a plurality of antennas
02/02/1982CA1117603A1 Automatic channel selection
02/02/1982CA1117601A1 Locked-oscillator repeater with modulation frequency feedback
01/1982
01/26/1982US4313223 Signal-amplification frequency-conversion apparatus having a common active component
01/26/1982US4313220 Circuit and method for reducing polarization crosstalk caused by rainfall
01/26/1982US4313211 Single sideband receiver with pilot-based feed forward correction for motion-induced distortion
01/26/1982US4313116 Hybrid adaptive sidelobe canceling system
01/26/1982CA1117212A1 Satellite communication system which concurrently transmits a scanning spot beam and a plurality of fixed spot beams
01/21/1982WO1982000228A1 Technique for high rate digital transmission over a dynamic dispersive channel
01/19/1982US4312065 Transparent intelligent network for data and voice
01/19/1982US4312063 TDM Data reorganization apparatus
01/19/1982US4311876 Route guidance system for roadway vehicles
01/19/1982CA1116697A1 Directive radio communication transmission system for maintaining the alignment of transmission and receiver antennae
01/13/1982EP0043572A1 Radio system with mobile emitting-receiving stations along predetermined tracks
01/12/1982US4310813 Cross polarization compensating system
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