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)
11/1986
11/18/1986	US4623980 Method of processing electrical signals by means of Fourier transformations
11/18/1986	CA1214219A1 General purpose data control system
11/12/1986	EP0201092A2 Radio receiver
11/12/1986	EP0201083A2 Interdigital duplexer with notch resonators
11/12/1986	CA1213943A Digital signal transmission system
11/12/1986	CA1213942A Digital signal transmission system
11/11/1986	US4622680 Hybrid subband coder/decoder method and apparatus
11/11/1986	US4622520 FM demodulator with impulse noise elimination circuit
11/11/1986	US4622442 Electronic hybrid having synthesized impedance circuitry
11/11/1986	US4622441 Two-wire/four wire communication interface with noise rejection
11/11/1986	US4622250 Insulating material and use thereof in insulators
11/06/1986	WO1986006565A1 Electronically tunable fm receiver
11/06/1986	EP0142503A4 Transceiver with controller for multiple function switch.
11/05/1986	EP0200275A1 Multiplex information transmission system
11/05/1986	EP0200239A2 Digital polyphase filter bank with maximum sampling-rate reduction
11/05/1986	EP0200016A2 Information transmission method using electrical power distribution networks
11/04/1986	US4621373 Control surface for a trunking personal radio
11/04/1986	US4621372 Dual communication headset
11/04/1986	US4621365 Synchronization preamble correlation detector and frequency estimator
11/04/1986	US4621243 Transmission channel coupler for antenna
11/04/1986	CA1213644A1 Fixed station of a radiocommunications system with frequency jumps and two-way transmitters
10/1986
10/29/1986	EP0199148A2 Mains-linked multiple-access apparatus
10/29/1986	EP0199031A2 Television set operating in the VHF and UHF frequency bands
10/29/1986	CN86103137A Fm electronic tuner
10/28/1986	US4620315 Automatic frequency control circuit in a stereo FM radio receiver
10/28/1986	US4620110 Compact power supply module and cord
10/28/1986	CA1213384A1 Automatic digital fine tuning system
10/22/1986	EP0104206B1 Frequency-hopped single sideband mobile radio system
10/21/1986	US4619002 Self-calibrating signal strength detector
10/21/1986	US4618999 Polar loop transmitter
10/21/1986	US4618997 Portable transceiver
10/21/1986	US4618941 Apparatus and method for generating filtered multilevel data from NRZ data
10/15/1986	EP0197527A2 Method for the digital transmission of information
10/09/1986	WO1986005938A1 Fm receiver
10/09/1986	WO1986005936A1 Digital zero-if selectivity section
10/08/1986	EP0196697A1 AM receiver
10/08/1986	EP0112850B1 Equipment for wireless telephone transmission
10/07/1986	US4616364 Digital hopped frequency, time diversity system
10/07/1986	US4616271 Digital audio system with automatic fade in and fade out operations
10/07/1986	CA1212420A1 System for processing audio frequency information for frequency modulation
10/01/1986	EP0196130A2 Circuit arrangement for the input stages of a television tuner
10/01/1986	EP0196129A1 Remote control hand apparatus for operating different modules
10/01/1986	EP0196012A2 Front panel with control elements for communications equipment
10/01/1986	EP0195972A2 Antitheft safeguarding system for electronic apparatuses, particularly for car radios
10/01/1986	CN86101766A Digital zero-if selectivity section
09/1986
09/25/1986	WO1986005638A1 Assembly of devices enabling to make polyvalent the utilization of car radio equipment of all makes
09/24/1986	EP0195573A2 Spread-spectrum signal generator
09/24/1986	EP0195502A2 A/D converter
09/24/1986	CN85102701A Method of restricting interference pulse
09/24/1986	CN85102700A Adaptive local optimum detector
09/23/1986	US4613990 Radiotelephone transmission power control
09/23/1986	US4613978 Narrowband interference suppression system
09/23/1986	US4613903 High-resolution television transmission system
09/23/1986	US4613833 For a VHF or UHF antenna
09/23/1986	US4613823 Multi-stage signal transmitting system
09/23/1986	US4613736 Operating panel
09/23/1986	CA1211873A1 Multifrequency scanning receiver with priority frequency monitoring
09/17/1986	EP0194826A2 Spread-spectrum signal generator
09/17/1986	EP0194763A2 Radio transmitter with two operational modes
09/17/1986	EP0194721A2 Digital sound/data information receiver
09/17/1986	EP0194586A1 Transceiver set for telecommuncation at sight
09/17/1986	EP0104220B1 Supply circuit included in a dc-magnetized hybrid transformer
09/16/1986	US4612667 Emergency transmitter and method of operating the same
09/16/1986	US4612662 Control circuit
09/16/1986	US4612652 Frequency hopping data communication system
09/16/1986	CA1211528A1 Fail-safe transmission system
09/10/1986	EP0194063A2 Tracking transmitter with two operational modes
09/10/1986	EP0193733A2 Method for matching a hybrid amplifier circuit to a telecommunication line, and device for carrying it out
09/09/1986	US4611333 Apparatus for despreading a spread spectrum signal produced by a linear feedback shift register (LFSR)
09/09/1986	CA1211159A2 Transform modulation receiver
09/03/1986	EP0193143A2 Audio signal transmission method
09/03/1986	CN85108431A Modulation method of burst
09/02/1986	US4610031 Receiver including surface acoustic wave amplifier
09/02/1986	US4610030 Frequency modulated transmitter applicable to MF broadcasting
09/02/1986	US4610022 Voice encoding and decoding device
09/02/1986	US4610010 Control circuit for an adaptive hybrid control in a local area network
09/02/1986	CA1210871A1 Guard tone capture method
09/02/1986	CA1210815A1 Microprocessor self-turn-off arrangement for a consumer instrument
08/1986
08/28/1986	WO1986005051A1 System for discriminating pulses such as response signals in a transponder
08/28/1986	WO1986005050A1 Spread spectrum adaptive antenna interference canceller
08/27/1986	EP0191836A1 Movable apparatus for sound wiring and/or visualization.
08/27/1986	CN85205563U Tv antenna plug with level attenuating
08/26/1986	US4608710 Apparatus for receiving satellite broadcasts
08/26/1986	US4608701 Communication receiving unit for the suppression of noise and interference signals
08/26/1986	US4608539 FM detector with injection locked divider input circuit
08/26/1986	CA1210524A1 Use of a field effect transistor having a dual gate and an intermediate ohmic island for the rejection of a frequency band
08/26/1986	CA1210478A1 Remote control apparatus
08/20/1986	EP0075311B1 Arrangement for speech transmission based on the channel vocoder principle
08/20/1986	CN86100932A Digital circuit for deciding digitized demodulated fm stereo signals
08/20/1986	CN86100833A Dial device for tape recorder equipped with a radio set
08/20/1986	CN85204050U Multi-purpose pocket radio
08/20/1986	CN85100582A Programmable pulse interference imitator
08/19/1986	US4607395 Helmet radio control package
08/19/1986	US4607393 Receiver circuit comprising two phase control loops
08/19/1986	US4607392 Circuit for improving the tuning behavior of a receiver frequency control loop
08/19/1986	US4607391 VHF/UHF band switching tuner including a second diode in band switch loop
08/19/1986	US4607390 Squelch arrangement for AM/FM radio receiver
08/19/1986	US4607381 Signal mixing circuit
08/19/1986	US4607376 Digital radio relay system
08/19/1986	US4607375 Covert communication system

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