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)
10/1997
10/14/1997	US5678229 Battery-powered accessory for radio data communication of a data processing apparatus
10/14/1997	US5678228 Satellite terminal with sleep mode
10/14/1997	US5678227 In a communication unit
10/14/1997	US5678226 Unbalanced FET mixer
10/14/1997	US5678223 Method and apparatus for an automatic frequency control receiver
10/14/1997	US5678222 Modulation and frequency conversion by time sharing
10/14/1997	US5678221 In a communication unit
10/14/1997	US5678220 Device for rejection of the image signal of a signal converted to an intermediate frequency
10/14/1997	US5678219 Integrated electronic warfare antenna receiver
10/14/1997	US5678218 Circuit for removing random FM noise
10/14/1997	US5678216 Radio pager with high gain antenna
10/14/1997	US5678215 Method for frequency locking onto a pilot reference signal affected by multipath fading
10/14/1997	US5678214 RF receiver using if amplifier operative during low level reception
10/14/1997	US5678213 Radio receiver for processing a multi-carrier signal with a large dynamic range
10/14/1997	US5678212 Electronic tuning circuit for an AM receiver
10/14/1997	US5678210 Method and apparatus of coupling a transmitter to a waveguide in a remote ground terminal
10/14/1997	US5678209 Transmit power level detection circuit with enhanced gain characteristics
10/14/1997	US5678207 Radio/Microphone battery charging assembly
10/14/1997	US5678205 Combination head-protective helmet and communications system
10/14/1997	US5678204 Protective cover for an electronic device
10/14/1997	US5678203 Read/write terminal construction for an information receiving and transmitting device
10/14/1997	US5678202 For receiving an electromagnetic signal
10/14/1997	US5678200 Independent wideband RF transmission detector for cellular telephone
10/14/1997	US5678199 Transceiver with controlled transmit/receive impedance switching device
10/14/1997	US5678192 Radio system
10/14/1997	US5678191 Method and apparatus for providing acknowledgements within a communication system
10/14/1997	US5678050 Information processing system
10/14/1997	US5677994 High-efficiency encoding method and apparatus and high-efficiency decoding method and apparatus
10/14/1997	US5677934 Multipath propagation compensation in a TDMA system
10/14/1997	US5677933 Digital signal encoding/decoding apparatuses and related methods
10/14/1997	US5677931 Transmission path switching apparatus
10/14/1997	US5677930 Method and apparatus for spread spectrum channel estimation
10/14/1997	US5677929 Automobile on-board and/or portable telephone system
10/14/1997	US5677928 Spread spectrum communication system
10/14/1997	US5677927 Impulse radio transmitter
10/14/1997	US5677679 Sound device for message decoder
10/14/1997	CA2062462C Artificial intelligence pattern-recognition based noise reduction system for speech processing
10/14/1997	CA2045330C Fast settling, wide dynamic range vector modulator
10/09/1997	WO1997037471A1 Method and apparatus for determining coding rate in a wireless communication system
10/09/1997	WO1997037456A2 Using orthogonal waveforms to enable multiple transmitters to share a single cdm channel
10/09/1997	WO1997037447A1 Paging service using broadcasting
10/09/1997	WO1997037437A1 Frequency tracking for communication signals using m-ary orthogonal walsh modulation
10/09/1997	WO1997037436A1 Apparatus for acquiring code phase lock in direct sequence spread spectrum systems
10/09/1997	WO1997037399A1 Antenna coupler for a portable radiotelephone
10/09/1997	WO1997037398A1 Antenna assembly for radiotelephonic device
10/09/1997	WO1997037202A1 Digital interconnects of a pc with consumer electronics devices
10/09/1997	WO1997036515A1 Attachment system for a portable device
10/09/1997	WO1997033378A3 Improvements in or relating to radio receivers
10/09/1997	DE19625322A1 RDS car radio with CD or tape playback
10/09/1997	DE19614778A1 Mobile radio receiver for audio and video signals
10/09/1997	DE19613643A1 Verfahren zum Codieren eines mit einer niedrigen Abtastrate digitalisierten Audiosignals A method of encoding a digitized audio signal with a low sampling rate
10/09/1997	DE19613498A1 Wireless radio communication apparatus with HF receiver
10/09/1997	DE19613170A1 Mobile radio apparatus with voltage supply source
10/08/1997	EP0800314A1 Receiver for programmes broadcast by a satellite or an MMDS-station
10/08/1997	EP0800289A2 A transmission system for digital audio broadcasting
10/08/1997	EP0800288A2 A transmission system for digital audio broadcasting
10/08/1997	EP0800287A2 A transmission system for digital audio broadcasting
10/08/1997	EP0800284A2 Correlator for spread spectrum signals
10/08/1997	EP0800283A2 Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands
10/08/1997	EP0800282A2 Wireless communication equipment for remote station
10/08/1997	EP0800281A2 Cable for connecting external units to a combined broadcast receiver and telephone
10/08/1997	EP0800271A2 Matched filter
10/08/1997	EP0800228A1 Antenna amplifier on a window pane
10/08/1997	EP0800224A2 Receiving apparatus
10/08/1997	EP0799538A1 Scrambled information transmitting and receiving
10/08/1997	EP0799531A1 Method and apparatus for applying waveform prediction to subbands of a perceptual coding system
10/08/1997	EP0799530A2 Dual-mode fm/cdma communication system
10/08/1997	EP0799529A1 Interface for portable communications device
10/08/1997	EP0799524A1 Differential audio line receiver
10/08/1997	EP0799523A1 Receiver circuit
10/08/1997	CN1161609A Frequency spreading clock modulation
10/08/1997	CN1161608A Multiple time section synchronous communication
10/08/1997	CN1161607A Cordless data/facsimile modem
10/08/1997	CN1161604A Road payment system using redio-frequency recognition device, and method for realizing the device thereof
10/08/1997	CA2199654A1 Liquid cooling system for high power solid state am transmitter
10/07/1997	US5675616 Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
10/07/1997	US5675611 Output power control and envelope shaping for a pulsed transmitter
10/07/1997	US5675610 Digital data encoding apparatus and method thereof
10/07/1997	US5675608 Synchronous transmitter and receiver of spread spectrum communication method
10/07/1997	US5675494 Vehicle-mounted unit for an automatic toll collection system that prevents double toll charging
10/07/1997	CA2073994C Selection of transmission facilities using optical wavelength division multiplexing
10/07/1997	CA2060342C Device for subband coding with samples scanned across frequency bands
10/02/1997	WO1997036412A1 Portable terminal equipment
10/02/1997	WO1997036396A1 Forward link carrier recovery in an ocdma spread spectrum communication system without a pilot tone
10/02/1997	WO1997036395A1 A method and an arrangement for receiving a symbol sequence
10/02/1997	WO1997036390A1 Block spectrum receiver for a broadband communications system
10/02/1997	WO1997036387A1 Portable terminal equipment
10/02/1997	WO1997036386A1 Portable terminal equipment
10/02/1997	WO1997036385A1 Mobile communication device
10/02/1997	WO1997036383A1 A rapid-acquisition access channel scheme for cdma systems
10/02/1997	WO1997036381A1 Apparatus for code tracking in a direct sequence spread spectrum receiver
10/02/1997	WO1997036380A1 Shielding radio equipment
10/02/1997	WO1997036378A1 Method for reducing interference, and a radio system
10/02/1997	WO1997036372A1 Selective call receivers with stepwise variable gain control with hysteresis
10/02/1997	WO1997036369A2 Oscillator
10/02/1997	WO1997036257A1 Hand-held remote controller with trigger selection button
10/02/1997	DE19613706A1 Mobile telephone with head protection against electromagnetic radiation
10/02/1997	DE19611916A1 Switch arrangement for consumer electronic device with remote control
10/02/1997	CA2250156A1 Hand-held remote controller with trigger selection button
10/01/1997	EP0798880A2 Method for generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system and the use of this method and apparatus in a mobile station

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