| 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) |
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| 07/13/1994 | CN2171952Y Quick charging machine for moving telephone |
| 07/13/1994 | CN2171951Y Pronunciation chronopher for radio communication system |
| 07/13/1994 | CN2171950Y Improved cologne protector for telephone general wiring frame |
| 07/13/1994 | CN1089421A A radio module included in a primary radio station, and a radio structure containing such modules |
| 07/13/1994 | CN1089410A Structure of call receiver |
| 07/12/1994 | US5329587 Low-delay subband adaptive filter |
| 07/12/1994 | US5329550 Signal processing circuit for the European digital cellular radio system |
| 07/12/1994 | US5329549 Signal processing method for a GPS receiver |
| 07/12/1994 | US5329547 Method and apparatus for coherent communication in a spread-spectrum communication system |
| 07/12/1994 | US5329546 Clock recovery stabilization method and circuit in a receiver of a code division multiple access/direct sequence (CDMA/DS) system |
| 07/12/1994 | US5329520 High-speed facility protection in a digital telecommunications system |
| 07/12/1994 | US5329472 Method and apparatus for controlling coefficients of adaptive filter |
| 07/12/1994 | US5328780 Method for controlling corrosion on a battery with fractionally sized terminals |
| 07/12/1994 | CA2087080A1 Multi-function connecting device for a cellular telephone |
| 07/12/1994 | CA2025758C Single-block filter for antenna duplexing and antenna-switched diversity |
| 07/07/1994 | WO1994015430A1 Method and apparatus for noise quieting during resynchronization of a digital communication system |
| 07/07/1994 | WO1994015427A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
| 07/07/1994 | WO1994015414A1 Process for optimizing frequency choice in variable frequency radio transmission and equipment for carrying out same |
| 07/07/1994 | WO1994015413A1 Wireless personal local area network |
| 07/07/1994 | WO1994015410A1 Interconnection of components |
| 07/07/1994 | WO1994015409A1 Frequency control system |
| 07/07/1994 | WO1994015408A1 Rf antenna switch and method of operating the same |
| 07/07/1994 | CA2150823A1 Method and apparatus for noise quieting during resynchronization of a digital communication system |
| 07/06/1994 | EP0659315A4 Shock isolation for selective call receivers. |
| 07/06/1994 | EP0605134A2 Audio video system |
| 07/06/1994 | EP0605102A1 A method of multipath propagation copensation |
| 07/06/1994 | EP0605026A2 Data entry and display system |
| 07/06/1994 | EP0604964A2 Radio communication devices |
| 07/06/1994 | EP0604956A2 Decision feedback equalizer with adaptive filter array operating as feedforward filter of the equalizer |
| 07/06/1994 | EP0604876A2 Methods for optimally controlling fiber processing machines |
| 07/06/1994 | EP0570480A4 Am-fm combined stereo receiver |
| 07/06/1994 | CN2171175Y Screen protective cover for Chinese pager |
| 07/06/1994 | CN1089042A Apparatus and methods for automatic control and monitoring of the operation of consumer electronic products |
| 07/06/1994 | CN1025400C Method of reducing influence of fading of viterbi receiver having at least two antennas |
| 07/05/1994 | US5327583 Using a clock signal generated by a microcomputer for providing a negative bias voltage to a galium arsenide field effect transistor in a high frequency amplifier of the device |
| 07/05/1994 | US5327582 Wideband wireless communications receiver |
| 07/05/1994 | US5327580 Full duplex RF repeater/base station providing microprocessor-controlled simultaneous CTCSS tone encode/decode |
| 07/05/1994 | US5327578 Radio telephone system supporting automatic busy and out-of-range indications |
| 07/05/1994 | US5327506 Voice transmission system and method for high ambient noise conditions |
| 07/05/1994 | US5327461 Voice communication apparatus using a voice operated transmitter |
| 07/05/1994 | US5327457 Operation indicative background noise in a digital receiver |
| 07/05/1994 | US5327186 Multi-direction remote control unit for an electronic apparatus |
| 07/05/1994 | US5327172 Polling for detection of power supply or other failures of a digital circuit |
| 07/05/1994 | US5327160 Touch sensitive user interface for television control |
| 07/05/1994 | US5327132 Composite signal generation and decoding in digital signal processing automotive audio system |
| 07/05/1994 | US5327093 Method and system for synchronizing mutually interfering signals in digital radio transmissions with frequency re-use |
| 07/05/1994 | US5327017 Circuit arrangement for switching of RF signals |
| 06/30/1994 | DE4342249A1 Elektrischer Schalter-Schaltkreis und Verfahren zum Betätigen eines Schalters Electric switch circuit and method for operating a switch |
| 06/30/1994 | DE4244625A1 Built=in vehicle mobile telephone |
| 06/30/1994 | DE4244352A1 Antenna amplifier DC supply circuit |
| 06/29/1994 | EP0604294A1 Component for differential emitter-receiver of direct sequence spread spectrum signals and corresponding emitter-receiver |
| 06/29/1994 | EP0604213A2 Edge connector shield |
| 06/29/1994 | EP0604208A2 Adaptive equalizer |
| 06/29/1994 | EP0604167A1 Communication and bus system for audio video appliances and communication method |
| 06/29/1994 | EP0604166A1 Communication system and communication devices having lock function |
| 06/29/1994 | EP0603792A2 FM tuner |
| 06/29/1994 | EP0603788A2 Receiving apparatus for a spread spectrum signal |
| 06/29/1994 | EP0598107A4 Power saving remote keyless entry. |
| 06/29/1994 | CA2112312A1 Method and apparatus of communication |
| 06/28/1994 | US5325429 Apparatus for accepting and retaining an information card |
| 06/28/1994 | US5325405 Burst mode receiver control |
| 06/28/1994 | US5325396 Digital synthesizer |
| 06/28/1994 | US5325395 5-volt low level serial transceiver |
| 06/28/1994 | US5325394 Method and apparatus for canceling spread-spectrum noise |
| 06/28/1994 | CA2054606C Tap-weight adaptation control using stepsize inversely variable with signal power level |
| 06/27/1994 | EP0623259A4 An integrated circuit including a surface acoustic wave transformer and a balanced mixer. |
| 06/24/1994 | CA2103215A1 Modulation signal detection and determination by statistical estimation |
| 06/23/1994 | WO1994014284A1 Reprogrammable terminal for suggesting programs offered on a television program delivery system |
| 06/23/1994 | WO1994014283A1 Television program delivery system |
| 06/23/1994 | WO1994014282A1 Set top terminal for cable television delivery systems |
| 06/23/1994 | WO1994014281A1 An operation center for a television program packaging and delivery system |
| 06/23/1994 | WO1994014280A1 Network controller for cable television delivery systems |
| 06/23/1994 | WO1994014279A1 Digital cable headend for cable television delivery system |
| 06/23/1994 | WO1994014273A1 An information transmission system for increasing the effective rate of transfer of information |
| 06/23/1994 | WO1994014267A1 Radio transceiver for transmitting and receiving data packets |
| 06/23/1994 | WO1994014257A1 Electronic duplex communication system |
| 06/23/1994 | WO1994014247A1 Circuit for generating signals in phase quadrature and associated method therefor |
| 06/23/1994 | WO1994014246A1 Generation of a coherent signal using an adaptive filter for cancelling and synchronous detection in a digital radio receiver |
| 06/23/1994 | WO1994014238A1 Method and apparatus for signal processing using reference signals |
| 06/23/1994 | WO1994014145A1 Favorite key macro command and chained macro command in a remote control |
| 06/23/1994 | DE4243622A1 Radio receiver with memory holding reception frequencies |
| 06/23/1994 | DE4242705A1 Bidirectional operating procedure for radio transceiver |
| 06/23/1994 | CA2151824A1 Method and apparatus for signal processing using reference signals |
| 06/23/1994 | CA2151715A1 Coherent signal generation in digital radio receiver |
| 06/22/1994 | EP0603012A1 Portable telephone set |
| 06/22/1994 | EP0602828A1 Compact wrist telephone |
| 06/22/1994 | EP0602660A2 Surface acoustic wave device and communication system using it |
| 06/22/1994 | EP0602615A2 Sidelobe cancellation and diversity reception using a single array of auxiliary antennas |
| 06/22/1994 | EP0602608A1 Mobile radio transceiver |
| 06/22/1994 | EP0602394A2 Method and device for the correction of phase and amplitude errors for direct conversion receiving devices |
| 06/22/1994 | EP0602370A1 Broadcast receiver |
| 06/22/1994 | EP0602316A1 EAS system with improved processing of antenna signals |
| 06/22/1994 | EP0602279A1 Limiting amplifier for PSK receiver |
| 06/22/1994 | EP0602213A1 Multiple cavity tuning of a transmitter output in a communication system |
| 06/22/1994 | EP0525014B1 Receiver for satellite reception |
| 06/22/1994 | EP0396576B1 Microwave diode tuning circuit |
| 06/22/1994 | CN2169952Y Power line carrier FM broadcasting transmitter and receiver |
| 06/22/1994 | CN1088379A Control circuit for a spatial stereo expander |
| 06/22/1994 | CN1088376A 多模式信号处理 Multi-mode signal processing |
| 06/22/1994 | CN1088371A Synchronised electronic identification system |