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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01/24/1996 | EP0693829A1 Method and device for encoding information and method and device for decoding information |
01/24/1996 | EP0693828A1 Data encoding method and apparatus, data decoding method and apparatus, data recording medium, and data transmission method |
01/24/1996 | EP0693237A1 A live voice device for cellular phones particularly operable in combination with radio receiver apparatus in motor vehicles |
01/24/1996 | CN2218425Y TV sound signal receiver |
01/24/1996 | CN1115591A Apparatus for and method of speech digitizing |
01/24/1996 | CN1115590A Receiver for spread spectrum communication |
01/24/1996 | CN1115553A PLL synthesizer radio paying receiver capable of reducing an average power consumption |
01/24/1996 | CN1115541A Apparatus for suppressing ghosts in signals modulating a carrier in quadrature phasing with a video carrier |
01/24/1996 | CN1115528A Noise reducing method, noise reducing apparatus and telephone set |
01/24/1996 | CN1115521A Power amplifier and power amplification method |
01/24/1996 | CN1030808C Gain control circuit for radio transmitter |
01/23/1996 | US5487181 Low power architecture for portable and mobile two-way radios |
01/23/1996 | US5487179 Arrangement for duplex transmission having transmitter power control |
01/23/1996 | US5487177 FM receiver comprising a circuit arrangement for determining the field strength of FM transmitters |
01/23/1996 | US5487149 Common control redundancy switch method for switching a faulty active common control unit with an inactive spare common control unit |
01/23/1996 | US5487099 Portable telephone having an additional device for making external connections |
01/23/1996 | US5487067 Audio data communications |
01/23/1996 | US5486877 Audio visual system with automatic closing of a bus circuit when an AV unit is disconnected |
01/23/1996 | US5486864 Differential time code method and apparatus as for a compressed video signal |
01/23/1996 | US5486797 Integrated port selection circuit for high frequency signal |
01/23/1996 | US5486796 Oscillator circuit for receiving a wide frequency band signal |
01/23/1996 | US5486789 Apparatus and method for providing a baseband digital error signal in an adaptive predistorter |
01/22/1996 | CA2128587A1 Method and arrangement for recognition of a coded transmitted signal |
01/18/1996 | WO1996001545A1 Mobile communication system using base station frequency correcting method |
01/18/1996 | WO1996001544A2 A reception method, and a receiver |
01/18/1996 | WO1996001533A1 Signal protection and monitoring system |
01/18/1996 | WO1996001530A1 Apparatus for performing frequency conversion in a communication system |
01/18/1996 | DE4439489C1 Acoustic surface wave device for mobile radio telecommunications |
01/18/1996 | DE4435667A1 Data signal receiver for signals transmitted electromagnetically or by wire e.g. satellite, telephone or wide-band signals |
01/18/1996 | DE4425261A1 EMF neutraliser with wooden base part equipped with varying quartz balls in circle |
01/18/1996 | DE19530812A1 Radio measuring receiver or spectrum analyser with image frequency suppression |
01/18/1996 | DE19525428A1 Spread spectrum communication system |
01/18/1996 | CA2167702A1 Apparatus for performing frequency conversion in a communication system |
01/17/1996 | EP0692903A1 Hands-free communication apparatus with echo canceler |
01/17/1996 | EP0692889A1 Method, transmitter and receiver for transmission and selection of local broadcast programmes in a common wave network |
01/17/1996 | EP0692885A1 Wireless telephone |
01/17/1996 | EP0692882A2 Method and apparatus for frequency happing communication in a wireless transceiver network |
01/17/1996 | EP0692880A1 Signal encoder, signal decoder, recording medium and signal encoding method |
01/17/1996 | EP0692167A1 Apparatus and method for transmitting information between dual redundant components utilizing four signal paths |
01/17/1996 | EP0692164A1 Reception method and cdma receiver |
01/17/1996 | EP0692162A1 Method and apparatus for providing a communication link quality indication |
01/17/1996 | CN1115195A Code division multiplex transmitter/receiver |
01/17/1996 | CN1115194A Adaptive radio receiver controller method and apparatus |
01/17/1996 | CN1115166A Active filter circuit and portable telephone apparatus |
01/17/1996 | CN1115156A A method and apparatus for improving message receive ratio in a radio paging system |
01/17/1996 | CN1115143A Communication system and electronic apparatus |
01/17/1996 | CN1115142A An electronics apparatus having a connecting terminal for only one connecting terminal of the other electronics apparatus |
01/17/1996 | CN1115139A Synthesizer receiver |
01/17/1996 | CN1115138A Universal miniature ultrasonic transceiver module |
01/16/1996 | US5485524 System for processing an audio signal so as to reduce the noise contained therein by monitoring the audio signal content within a plurality of frequency bands |
01/16/1996 | US5485515 Background noise compensation in a telephone network |
01/16/1996 | US5485459 Local communication system with plural data channels |
01/16/1996 | US5485149 Remote controller and method for assigning to signals priority based on type and manufacture of equipment |
01/16/1996 | US5485113 Jitter-compensated sampling phase control apparatus |
01/16/1996 | CA2152860A1 Antenna for communication device |
01/16/1996 | CA2062526C Subscriber line interface circuit for serving isdn subscribers using echo cancellers and pots subscribers |
01/16/1996 | CA2033310C Communication signal compression system and method |
01/15/1996 | CA2153617A1 Cdma receiving apparatus |
01/11/1996 | WO1996001013A1 Spread-spectrum changeable base station |
01/11/1996 | WO1996001011A1 A receiver incorporating an other users noise simulator (ouns) for use in a communication system |
01/11/1996 | WO1996001006A1 Spurious response rejecting mixer using spread spectrum techniques |
01/11/1996 | WO1996000991A1 Phased array spread spectrum system and method |
01/11/1996 | WO1996000989A1 Summing network |
01/11/1996 | WO1995034154A3 Method for synchronizing subscriber equipments, a base station and a subscriber equipment |
01/11/1996 | WO1995033326A3 Method and arrangement for call setup in telecommunication networks using signaling aided redialing |
01/11/1996 | DE4422235A1 Radio receiver e.g. for recording of traffic messages |
01/11/1996 | DE19514798A1 Multilayer duplex packet for mobile communication handset |
01/10/1996 | EP0691775A2 An apparatus and method of configuring a cordless telephone for operating the same in a frequency hopping system communication system |
01/10/1996 | EP0691774A1 Radiotelephone |
01/10/1996 | EP0691755A2 Method and apparatus for digital signal synthesis and processing for frequency hopping spread spectrum systems |
01/10/1996 | EP0691754A2 Dynamic control of acquisition and tracking of the correlators in a RAKE receiver |
01/10/1996 | EP0691753A1 Improved transformerless hybrid circuit |
01/10/1996 | EP0691752A1 Transformerless hybrid circuit having direct powered line-side amplifiers |
01/10/1996 | EP0691747A2 Circuit arrangement for a phase locked loop |
01/10/1996 | EP0691740A2 Radio station memory presets with stored audio effects |
01/10/1996 | EP0691736A1 Control of audio effects in radio receivers |
01/10/1996 | EP0691696A1 Battery housing with integral latch and positive displacement apparatus |
01/10/1996 | EP0691598A2 Method and means to drive a software clock in an electronic entertainment apparatus |
01/10/1996 | EP0691052A1 Method and apparatus for encoding multibit coded digital sound through subtracting adaptive dither, inserting buried channel bits and filtering, and encoding and decoding apparatus for use with this method |
01/10/1996 | EP0691051A1 Mobile communications equipment |
01/10/1996 | EP0691050A1 Circuit for deriving audio signal masking signals |
01/10/1996 | EP0691049A1 Circuit for deriving a quality signal dependent on the quality of a received multiplex signal |
01/10/1996 | EP0691048A1 Digital filter |
01/10/1996 | EP0691013A1 Arrangement for a use billing system |
01/10/1996 | CN2217284Y Cell-charging base for moveable telephone |
01/10/1996 | CN2217283Y Vibration apparatus for pager |
01/10/1996 | CN2217282Y Sound signal radio transmission arrangement |
01/10/1996 | CN1114848A Method and arrangement for controlling the operation of a high-frequency power amplifier |
01/10/1996 | CN1114845A Battery pack retention apparatus |
01/10/1996 | CN1114808A Data demodulation circuit and method for spread spectrum communication |
01/10/1996 | CN1114804A A satellite communication receiving apparatus |
01/10/1996 | CN1114743A Apparatus for detecting a light signal |
01/09/1996 | US5483696 Method and apparatus for using a balanced mixer as a switch |
01/09/1996 | US5483695 Intermediate frequency FM receiver using analog oversampling to increase signal bandwidth |
01/09/1996 | US5483694 Radio receiver with an intermodulation detector |
01/09/1996 | US5483692 Automatic variable radio volume control system |
01/09/1996 | US5483691 Zero intermediate frequency receiver having an automatic gain control circuit |
01/09/1996 | US5483689 Radio receiving with microprocessor control |
01/09/1996 | US5483688 Adaptive automatic antenna tuning method and apparatus |
01/09/1996 | US5483687 Operational transconductance amplifier track and hold system |