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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12/20/1995 | EP0688107A1 AM radio receiver |
12/20/1995 | EP0688082A1 Portable communication apparatus preventing trouble when battery wears |
12/20/1995 | EP0687375A1 Loop powered process control transmitter |
12/20/1995 | EP0527998B1 A method and a device for controlling a radio transmitter |
12/20/1995 | CN2215784Y Protective case for remote emitter |
12/20/1995 | CN1113669A Method and apparatus for operating with a hopping control channel in a communication system |
12/20/1995 | CN1113645A Protecting device for protecting an electronic equipment in order to use the electronic equipment under a hostile enviroment |
12/20/1995 | CN1113626A Portable telephone |
12/20/1995 | CN1113621A Radio station apparatus and signal transmission method thereof |
12/20/1995 | CN1113619A Method and device for processing a signal |
12/19/1995 | US5477541 Addressing technique for storing and referencing packet data |
12/19/1995 | US5477532 Radio transceiver |
12/19/1995 | US5477487 Audio auto-repeating device and method |
12/19/1995 | US5477232 Antenna apparatus having individual transmitting and receiving antenna elements for different frequencies |
12/19/1995 | US5477215 Arrangement for simultaneously interrogating a plurality of portable radio frequency communication devices |
12/19/1995 | US5477204 Radio frequency transformer |
12/19/1995 | US5477195 Near optimal quasi-coherent delay lock loop (QCDLL) for tracking direct sequence signals and CDMA |
12/19/1995 | US5477192 Amplifier suitable for use in a radiotelephone |
12/14/1995 | WO1995034174A2 Spread aloha cdma data communications |
12/14/1995 | WO1995034167A1 Method and apparatus for encoding, transmitting, storing and decoding of data |
12/14/1995 | WO1995034154A2 Method for synchronizing subscriber equipments, a base station and a subscriber equipment |
12/14/1995 | WO1995034140A1 Method and apparatus for cancelling interference in signals having undergone multipath |
12/14/1995 | WO1995034139A1 Method and apparatus for subscriber power level adjustment in a communication system |
12/14/1995 | WO1995034137A1 Transceiver interface unit for aircraft communication |
12/14/1995 | WO1995034121A1 Power supply with improved efficiency, transmitter comprising such a power supply |
12/14/1995 | WO1995030289A3 A direct sequence cdma coherent uplink detector |
12/14/1995 | WO1995030286A3 Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component |
12/14/1995 | DE4420121A1 Portable radiotelephone subscriber's appts. with external antenna and pivotable shield |
12/14/1995 | DE19515783A1 Radio receiver with high S=N ratio tuner |
12/14/1995 | CA2192341A1 Method and apparatus for encoding, transmitting, storing and decoding of data |
12/13/1995 | EP0687082A1 Method of detecting PTY burst signal in a radio data system receiver |
12/13/1995 | EP0687081A1 RDS receiver using EON information |
12/13/1995 | EP0687080A1 Receive signal level detection system |
12/13/1995 | EP0687077A2 Radio transmission system with mobile stations using a intelligent frequency hopping method |
12/13/1995 | EP0687074A2 Spread spectrum communication method |
12/13/1995 | EP0687073A2 Apparatus for encoding digital signals |
12/13/1995 | EP0687060A2 Power amplifier |
12/13/1995 | EP0687059A1 Image rejection apparatus for a base signal converted to an intermediate frequency |
12/13/1995 | EP0686928A2 System and method for initiating communications between a controller and a selected subset of multiple transponders in a common RF field |
12/13/1995 | EP0686332A1 Cell based wide area network alternative access telephone and data system |
12/13/1995 | EP0686326A1 Transducer with inner conductive cover for emi shielding |
12/13/1995 | EP0686324A1 Receiver having an adjustable bandwidth filter |
12/13/1995 | EP0686318A1 High-frequency wideband tuner |
12/13/1995 | EP0629322B1 Adjacent channel controller for radio receiver |
12/13/1995 | EP0431201B1 Linear transmitter |
12/13/1995 | CN2215161Y Solar cell charging power supply box for mobile telephone |
12/13/1995 | CN1113404A Electronic device for controlling application of a charging current thereto and associated method therefor |
12/13/1995 | CN1113403A Path gain estimation in a receiver |
12/13/1995 | CN1113401A High-efficiency encoding method, high-efficiency decoding method, high-efficiency encoding device, high-efficiency decoding device, high-efficiency encoding/decoding system and recording media |
12/13/1995 | CN1113399A Portable music performance device |
12/12/1995 | US5475877 Mobile wireless set with improved intermittent operation control and reduced power consumption |
12/12/1995 | US5475876 Tuner unit having electromagnetically isolated UHF and VHF section with no noise |
12/12/1995 | US5475875 Antenna switching circuit employing FETs for reduced power consumption |
12/12/1995 | US5475873 Rectification feedback high frequency circuit arrangement including an adaptive filter |
12/12/1995 | US5475872 Portable telephone with external transmitter-receiver connections |
12/12/1995 | US5475871 Communication system with control signal based tuning |
12/12/1995 | US5475869 Radio base station capable of distinguishing between interference due to collisions of outgoing call signals and an external interference noise |
12/12/1995 | US5475789 Method of compressing an audio signal using adaptive bit allocation taking account of temporal masking |
12/12/1995 | US5475707 Broadband communications system |
12/12/1995 | US5475681 Wireless in-building telecommunications system for voice and data communications |
12/12/1995 | US5475677 Compatible licensed and unlicensed band portable handset unit for TDMA wireless communications system |
12/12/1995 | US5475377 Electronic identification system having remote automatic response capability and automatic identification method thereof |
12/12/1995 | US5475295 Electronic device capable of checking power supply status |
12/12/1995 | CA2098993C Intermodulation compensation in a receiver |
12/12/1995 | CA2061527C Method and apparatus for controlling coefficients of adaptive filter |
12/12/1995 | CA2060117C Predistorter for linearization of electronic and optical signals |
12/12/1995 | CA2032765C Variable rate encoding and communicating apparatus |
12/07/1995 | WO1995033350A1 Wideband wireless basestation making use of time division multiple-access bus to effect switchable connections to modulator/demodulator resources |
12/07/1995 | WO1995033326A2 Method and arrangement for call setup in telecommunication networks using signaling aided redialing |
12/07/1995 | WO1995033322A1 Data communication system having channel switching means |
12/07/1995 | WO1995033319A1 Unintentional power radiation fm transmission system |
12/07/1995 | WO1995033318A1 Multiplex receiver and multiplex receiving system broadcasting |
12/07/1995 | WO1995033311A1 Ambiguity resolution in direct sequence spread spectrum modulation systems |
12/07/1995 | WO1995033310A1 Apparatus for converting tv audio signals for reception on a nearby am and/or fm receiver |
12/07/1995 | WO1995033215A1 Radio range finder |
12/07/1995 | DE4419310A1 Electronic equipment cabinet esp. hi=fi installation and TV set |
12/07/1995 | DE4418255A1 Multi-functional domestic remote control device |
12/07/1995 | CA2189860A1 Data communication system having channel switching means |
12/07/1995 | CA2189119A1 Method and arrangement for call setup in telecommunication networks using signaling aided redialing |
12/07/1995 | CA2151017A1 Linear receiver |
12/06/1995 | EP0685954A2 Waterproofed portable telephone |
12/06/1995 | EP0685945A1 Antenna apparatus having antenna elements for different frequencies |
12/06/1995 | EP0685937A1 Multipath eliminating filter |
12/06/1995 | EP0685936A2 Adaptive antenna matching |
12/06/1995 | EP0685901A2 A feed structure for use in a wireless communication system |
12/06/1995 | EP0685800A2 Method and apparatus for digital signal processing |
12/06/1995 | EP0685133A1 Voice transmission systems with voice cancellation |
12/06/1995 | EP0685129A1 Method and system for the dynamic modification of control parameters in a transmitter power control system |
12/06/1995 | EP0645063A4 Receiver automatic gain control. |
12/06/1995 | CN2214717Y Mobile telephone high frequency electromagnetic wave radiation protecting screen |
12/06/1995 | CN2214716Y Safety protecting switch for remote-control device |
12/06/1995 | CN1113096A Digital signal encoding device, its decoding device, and its recording medium |
12/06/1995 | CN1113056A Communication method/apparatus/system capable of performing FDMA transmission |
12/06/1995 | CN1112848A Remote control method and system therefor |
12/05/1995 | US5473631 Simultaneous transmission of data and audio signals by means of perceptual coding |
12/05/1995 | US5473601 Frequency reuse technique for a high data rate satellite communication system |
12/05/1995 | US5473319 Paging receiver |
12/05/1995 | US5473317 Audio-visual system having integrated components for simpler operation |
12/05/1995 | US5473295 Saw notch filter for improving stop-band attenuation of a duplex filter |
12/05/1995 | US5473293 High-frequency switch |