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)
06/1983
06/23/1983WO1983002206A1 A distributed control communications system
06/22/1983EP0082055A1 Method of establishing communications in a transceiver network using frequency hopping, and apparatus for carrying out this method
06/01/1983EP0080232A1 Method of controlling the information traffic in a cell formed by a plurality of radio channels, and apparatus using this method
05/1983
05/31/1983US4386435 Space diversity receiver with means for combining signals from the two channels
05/26/1983WO1983001878A1 Random frequency offsetting apparatus for multi-transmitter simulcast radio communications systems
05/26/1983WO1983001875A1 Data muting method and apparatus for radio communications systems
05/25/1983EP0079612A1 Earth station transmission power control system
05/24/1983US4385381 Digital radio transmission system for transmitting a plurality of information signals by a network of transmitters having substantially the same carrier frequencies
05/24/1983US4385378 High power multiplexer for dual polarized frequency reuse earth stations
05/17/1983US4384362 Radio communication system using information derivation algorithm coloring for suppressing cochannel interference
05/17/1983CA1146668A1 Multiple antennae arrangements coupled via a power divider to provide directional and/or omnidirectional characteristics
05/17/1983CA1146648A1 Clock recovery circuit for burst communications systems
05/10/1983US4383332 High capacity digital mobile radio system
05/10/1983US4383331 Method and means of preventing oscillations in a same-frequency repeater
05/10/1983CA1146244A1 Satellite antenna orientation control method and detector configuration applying said method
04/1983
04/28/1983WO1983001548A1 Encoder for transmitted message activation code
04/28/1983WO1983001546A1 Decoder for transmitted message activation code
04/26/1983US4381562 Broadcast type satellite communication systems
04/26/1983CA1145441A1 Method for transmitting airport weather information
04/20/1983EP0077216A1 Radio system
04/19/1983US4380796 Portable control box for computer numerically controlled machine tools
04/19/1983CA1145000A1 Transmitter apparatus for an information transmission system
04/19/1983CA1144988A1 Diversity reception system
03/1983
03/31/1983WO1983001164A1 Hertzian telecommunication method and device for the implementation thereof
03/29/1983US4378603 Radiotelephone with hands-free operation
03/29/1983US4378602 Communication system with a limited communication area
03/29/1983CA1143879A1 Priority threaded message burst mechanism for tdma communication
03/29/1983CA1143878A1 Dynamically variable priority variable position channels in a tdma burst
03/29/1983CA1143801A2 Radio apparatus for collecting information emanating from a multiplicity of stations
03/22/1983CA1143445A1 Band-pass filter circuit
03/22/1983CA1143439A1 Mobile communication system
03/09/1983EP0073323A1 Encrypted data transmission in a TDMA satellite communications network
03/03/1983WO1983000784A1 Adaptive equalizer
03/02/1983EP0072984A1 Method of automatically determining a time delay compensation in a common-wave radio network
03/01/1983US4375697 Satellite arrangement providing effective use of the geostationary orbit
03/01/1983CA1142237A1 Radioelectric apparatus for collecting data coming from several stations
02/1983
02/23/1983EP0072542A2 Adaptive equalizer
02/22/1983US4375097 Transparent intelligent network for data and voice
02/22/1983CA1141825A1 Instantaneously acquiring sector antenna combining system
02/15/1983CA1141494A1 Tdma satellite communication system
02/15/1983CA1141493A1 Adaptive error encoding in multiple access systems
02/15/1983CA1141437A1 Large dynamic range multiplier for a maximal-ratio predetection diversity combiner
02/09/1983EP0070872A1 Cordless telephone system
02/08/1983US4373210 Space diversity combiner
02/08/1983US4373207 Space diversity signal combiner
02/08/1983US4373206 Transmitter control system
02/01/1983CA1140687A1 Demand assignment technique for tdma satellite communication network
01/1983
01/26/1983EP0016783B1 Surface acoustic wave unique word detector and coherent demodulator
01/25/1983US4370522 FM Receiver for use with motorcars
01/25/1983CA1140282A1 Tdma multiplexer-demultiplexer with multiple ports
01/19/1983EP0069970A2 Time division multiple access system for transmitting an analog signal by the use of bursts without substantial interruption
01/19/1983EP0069860A1 Digital transmission system, particularly for satellite broadcasting
01/18/1983US4369520 Instantaneously acquiring sector antenna combining system
01/18/1983US4369519 Cross polarization compensation system
01/18/1983CA1139845A1 Wireless transmitting and receiving device using an ear microphone
01/12/1983EP0069275A1 Apparatus for communicating with a fleet of vehicles
01/11/1983US4368469 Traveling wave interferometry particularly for solar power satellites
01/04/1983US4367555 Digital equalizer for a cross-polarization receiver
12/1982
12/21/1982US4365338 Technique for high rate digital transmission over a dynamic dispersive channel
12/15/1982EP0066839A1 A digital burst signal transmission system
12/14/1982CA1137586A1 Device for automatically monitoring the charge state of power supplies independently of the mains system
12/14/1982CA1137585A1 Function coding via digital addresses in a two-way system
12/07/1982US4363132 Diversity radio transmission system having a simple and economical structure
12/07/1982US4363129 Method and means of minimizing simulcast distortion in a receiver when using a same-frequency repeater
12/01/1982EP0065764A2 Digital radio system
12/01/1982EP0065641A1 Synchronizer for medium speed multiplex data
11/1982
11/30/1982US4361894 Band-pass filter circuit
11/30/1982US4361892 Adaptive equalizer
11/30/1982US4361886 Satellite communication system
11/30/1982CA1136711A1 Adaptive cross-polarization interference cancellation arrangements
11/30/1982CA1136710A1 Arrangement and method for establishing radio communication in a system
11/16/1982US4359712 Communications system for automotive vehicles
11/09/1982US4358767 Method of tracking for telecommunications antennae
11/09/1982CA1135343A1 Equalizing signal combiner
11/02/1982US4357700 Adaptive error encoding in multiple access systems
10/1982
10/19/1982US4355419 Radio signal receiving system having means for selectively combining signals from a plurality of receiving sections
10/19/1982US4355411 Technique for efficient spectrum utilization in mobile radio systems using space diversity
10/19/1982US4355399 Adaptive spread spectrum FH-MFSK transmitter and receiver
10/19/1982US4355388 Microprogrammable TDMA terminal controller
10/19/1982US4355313 Satellite antenna orientation control method and sensor configuration applying said method
10/14/1982WO1982003517A1 Cordless telephone system
10/12/1982US4354276 Equalizing signal combiner
10/06/1982EP0061582A2 Method and circuit for the compensation of non-linearities of transfer elements in a directional radio communication system
10/06/1982EP0061576A1 Microwave communication transmission apparatus with multimode diversity combining reception
10/05/1982US4353127 Duplex transceiver arrangements for rebroadcast of signals
09/1982
09/29/1982EP0061391A1 TDMA system network, especially receiving part of a coupler for the access to such a network
09/28/1982US4352199 Method and device for detecting and interpreting a distress signal
09/21/1982CA1132234A1 Distributed control digital switching system
09/14/1982US4349918 Digital memory system
09/14/1982US4349915 Minimization of multipath and doppler effects in radiant energy communication systems
09/14/1982US4349840 Apparatus for automatically steering an electrically steerable television antenna
09/14/1982US4349170 Safety coding process for track circuits
09/14/1982CA1131820A1 Driving point impedance
09/08/1982EP0059454A2 Communication satellite system in geostationary loop positions
09/07/1982US4348772 Frequency stabilization circuit for a local oscillator
09/07/1982CA1131317A1 Method and device for detecting and interpreting a distress signal
08/1982
08/31/1982US4347626 Radio telephone communication network
08/31/1982US4347625 Arrangement for cellular operation of a repeater trunking system
08/31/1982CA1130927A1 Memory system adapted to receive a radio frequency signal
08/31/1982CA1130865A1 Data communication system
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