H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission

Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
09/1994
09/01/1994	WO1994019880A1 Transducer with inner conductive cover for emi shielding
09/01/1994	WO1994019876A1 Method and system for the dynamic modification of control parameters in a transmitter power control system
09/01/1994	WO1994019873A1 Receiver having concealed external antenna
09/01/1994	WO1994019801A1 Apparatus, method, and system for compressing a digital input signal in more than one compression mode
09/01/1994	WO1994019791A1 Improved filter for use in audio compression and decompression systems
09/01/1994	CA2156707A1 Method and system for the dynamic modification of control parameters in a transmitter power control system
09/01/1994	CA2117921A1 A method for repeaters to adaptively digitally code received analog information
09/01/1994	CA2117919A1 Receiver having concealed external antenna
08/1994
08/31/1994	EP0613320A2 Wireless headphones
08/31/1994	EP0613295A1 Device for generating a noise detection signal
08/31/1994	EP0613258A1 Power controlling arrangement for duplex transmission
08/31/1994	EP0613257A2 Power circuit and radiocommunication apparatus using the power circuit
08/31/1994	EP0613209A1 A two-frequency impedance matching circuit for an antenna
08/31/1994	CN2175987Y Coupling device with communication wave-filtering function
08/31/1994	CN1091569A A dual mode radio communication unit
08/31/1994	CN1091566A Paging receiver capable of rapidly judging necessity of keeping an incoming message
08/31/1994	CN1091565A Radio pager having function switches for establishing an additional function of coupling the pager with an external device
08/31/1994	CN1091562A Method and apparatus for noise quieting during resynchronization of digita communication system
08/31/1994	CN1091558A Method for the compatible transmission and/or storage and decoding of an auxiliary signal
08/31/1994	CN1091556A Radio Communication devices
08/30/1994	US5343496 Interference suppression in CDMA systems
08/30/1994	US5343495 Method of multipath dsss communications
08/30/1994	US5343464 Switching system between working transmission lines and protection transmission line
08/30/1994	US5343414 Apparatus for adaptively tuning to a received periodic signal
08/30/1994	US5343210 Satellite radionavigation receiver
08/30/1994	US5343207 Real-time wide-band compressive-receiver system
08/30/1994	US5343162 RF variable gain tuned output amplifier which maintains high Q in saturation
08/25/1994	DE4305184A1 Device for receiving a normal-time transmitter for an extended temperature range
08/24/1994	EP0612160A2 A bit allocation method for transform coder
08/24/1994	EP0612159A2 An enhancement method for a coarse quantizer in the ATRAC
08/24/1994	EP0612158A1 A block size determination method of a transform coder
08/24/1994	EP0612157A2 Method for remotely controlling several audio/visual apparatus
08/24/1994	EP0612144A1 Automatic control circuit for a power amplifier
08/24/1994	EP0611488A1 Dual polarisation waveguide probe system
08/24/1994	EP0567459A4 Antenna pattern selection for optimized communications and avoidance of people
08/23/1994	US5341457 Perceptual coding of audio signals
08/23/1994	US5341434 Car stereo having a detachable grille
08/23/1994	US5341431 AM stereo detection and audio processing apparatus
08/23/1994	US5341398 Method for repeaters to adaptively digitally code received analog information
08/23/1994	US5341396 Multi-rate spread system
08/23/1994	US5341179 Source voltage control switching circuit
08/23/1994	US5341140 Transponder system
08/23/1994	US5341138 Structure of reception frequency converting portion in a multi-band microwave detector
08/23/1994	US5341106 Amplitude locked loop circuits
08/18/1994	WO1994018817A1 A device for radio communication
08/18/1994	WO1994018774A1 Communication device with code sequence selection system
08/18/1994	WO1994018762A1 Transmission of digital data words representing a signal waveform
08/18/1994	WO1994018761A1 Wireless telephone
08/18/1994	WO1994018758A1 Method and apparatus of frequency generation for use with digital cordless telephones
08/18/1994	WO1994018757A1 Circuit for removing random fm noise
08/18/1994	WO1994018700A1 Method of producing a radio frequency transponder with a molded environmentally sealed package
08/18/1994	DE4304819A1 Input circuit for a straight-through receiver
08/18/1994	DE4303979A1 Car radio with antenna diversity
08/18/1994	DE4303110A1 Broadcast receiving system
08/18/1994	CA2155208A1 Method of producing a radio frequency transponder with a molded environmentally sealed package
08/17/1994	EP0611199A1 Portable radio telephone employing an antenna with a substantially vertical radiation pattern
08/17/1994	EP0610988A1 Multi-user spread spectrum communication system
08/17/1994	EP0610975A2 Coded signal formatting for encoder and decoder of high-quality audio
08/17/1994	EP0610858A2 Demodulation apparatus and communication system using the same
08/17/1994	EP0610700A1 Power supply circuit for a consumer electronics device
08/17/1994	EP0610630A2 Bidirectional bus and transmitting, receiving and communication methods therefor
08/17/1994	EP0610313A1 Radio transmission system and radio receiver
08/17/1994	EP0587761A4 Portable radio battery latch
08/17/1994	EP0515431B1 Process for radio transmission of a time-variant control signal and for receiving such a control signal
08/17/1994	EP0514398B1 Integrated fm detector
08/17/1994	CN2174824Y Colinear loop half duplex tandem distributing apparatus
08/17/1994	CN2174815Y Wireless call casing with code album
08/17/1994	CN1090959A Power control apparatus and unlocking apparatus
08/17/1994	CN1090951A Antenna isolation assembly for hot chassis receiver
08/16/1994	US5339463 FM receiver with muting circuit
08/16/1994	US5339462 Broadband mixer circuit and method
08/16/1994	US5339461 Compact radio frequency receiver having take-up spool housed earphone conductors
08/16/1994	US5339460 Amplifier provided at output stage of intermediate frequency amplifying circuit of mobile communication system
08/16/1994	US5339459 High speed sample and hold circuit and radio constructed therewith
08/16/1994	US5339458 Frequency converter unit for use in a high-frequency receiver
08/16/1994	US5339456 Method and circuit for non-cooperative interference suppression of radio frequency signals
08/16/1994	US5339455 Radio receiver adjacent-channel interference suppression circuit
08/16/1994	US5339454 Automatic gain control for RF amplifier
08/16/1994	US5339452 Switching diversity reception system
08/16/1994	US5339362 Automotive audio system
08/16/1994	US5339331 Frequency hopping spread spectrum receiver
08/16/1994	US5339309 Transmitter-receiver
08/16/1994	US5339110 Sound multiplex broadcast receiver and method of controlling display thereof
08/16/1994	US5339054 Modulated signal transmission system compensated for nonlinear and linear distortion
08/16/1994	US5339046 Temperature compensated variable gain amplifier
08/16/1994	US5339040 AM demodulation receiver using digital signal processor
08/16/1994	US5338987 High speed, low power high common mode range voltage mode differential driver circuit
08/16/1994	US5338896 Shield device for cellular phones
08/16/1994	US5338373 Method of encoding and decoding a glassy alloy strip to be used as an identification marker
08/16/1994	CA2024362C Transmitting power control circuit
08/12/1994	CA2115417A1 Portable radiotelephone
08/11/1994	DE4302301A1 Method for receiving FM-modulated and non-FM-modulated signals
08/10/1994	EP0610007A2 High efficiency encoding and decoding
08/10/1994	EP0609964A2 Adjustable reactance device and method
08/10/1994	EP0609828A2 Adaptive matched filter
08/10/1994	EP0609694A2 Transmitter-receiver and method for transmitting and receiving digital information
08/10/1994	EP0609666A1 Circuit for decoding a multiplex signal in a stereo broadcast receiver
08/10/1994	EP0609579A2 Local communication system with plural data channels
08/10/1994	EP0609578A2 Local communication system with plural data channels
08/10/1994	EP0511240B1 Real time signal separation method and device

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