| 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) |
|---|
| 05/20/1997 | US5631930 Radio transmission output control circuit for TDMA communication |
| 05/20/1997 | US5631929 Electronic transmitter having a digital combiner circuit for transmitting multiple digital input signals simultaneously |
| 05/20/1997 | US5631927 Shifting circuit for a transmission system with multiple links |
| 05/20/1997 | US5631922 Spread code generation device for spread spectrum communication |
| 05/20/1997 | US5631921 Adaptive power control for a spread spectrum communications system and method |
| 05/20/1997 | US5631896 Hitless path switching apparatus and method |
| 05/20/1997 | US5631877 Narrowband signal revealer |
| 05/20/1997 | US5631848 Data processing system |
| 05/20/1997 | US5631760 Apparatus for the optical heterodyne reception of signals |
| 05/20/1997 | US5631652 Remote control method and system using one remote controller to control more than one apparatus |
| 05/20/1997 | US5631648 Signal compression or expansion circuit for mobile communication |
| 05/20/1997 | US5631636 Method of reducing power consumption in a remote meter reading system |
| 05/20/1997 | US5631604 Waste energy control and management in power amplifiers |
| 05/20/1997 | US5631590 Synchronized clock signal regenerating circuit |
| 05/20/1997 | US5631503 Apparatus for generating power for use in a communications device |
| 05/15/1997 | WO1997017792A1 Antenna transmission coupling arrangement |
| 05/15/1997 | WO1997017789A1 System and method for multiplexing a spread spectrum communication system |
| 05/15/1997 | WO1997017766A1 Communication device |
| 05/15/1997 | WO1997017667A1 Enhanced detection of multiple data transmissions |
| 05/15/1997 | WO1997012446A3 Receiver architecture for the receiving of angle-modulated/ angle-keyed carrier signals |
| 05/15/1997 | DE19646192A1 High frequency modulator with circuit for modulating composite video and sound signals |
| 05/15/1997 | DE19639197A1 Funktelefonhandapparat mit einer entfernbaren, einrastenden Frontplatte zur Berücksichtigung einer Vielzahl unterschiedlicher Aussehensweisen des Telefons Radiotelephone handset with a removable, snap front panel for consideration of a variety of different ways appearance of the phone |
| 05/15/1997 | CA2235585A1 Enhanced detection of multiple data transmissions |
| 05/14/1997 | WO1997018647A1 Method and apparatus for suppressing noise in a communication system |
| 05/14/1997 | EP0773695A1 Cdma mobile communication method, system, and mobile station equipment |
| 05/14/1997 | EP0773635A2 Matched filter system |
| 05/14/1997 | EP0773634A2 Audio subband coding method |
| 05/14/1997 | EP0773633A2 Housing for portable radio |
| 05/14/1997 | EP0773631A2 Radio paging receiver |
| 05/14/1997 | EP0773451A1 Wireless interrogating system operating with acoustic surface waves |
| 05/14/1997 | EP0772952A1 An audio interface garment and communication system for use therewith |
| 05/14/1997 | EP0772928A1 Spread spectrum interference canceler system and method |
| 05/14/1997 | EP0772920A1 Mobile radio transmitting/receiving device with transmitting power regulation circuit |
| 05/14/1997 | EP0772919A1 Method for transmitting pilot channels, and a cellular radio system |
| 05/14/1997 | EP0772918A1 Method for transmitting a pilot signal, and a cellular radio system |
| 05/14/1997 | EP0772917A1 Wireless voice transmission system |
| 05/14/1997 | EP0772905A1 A direct conversion receiver |
| 05/14/1997 | EP0772856A1 Dual channel advertising referencing vehicle location |
| 05/14/1997 | EP0772839A2 Supply voltage processing circuit and a data carrier with a supply voltage processing circuit |
| 05/14/1997 | EP0772813A1 Spread spectrum localizers |
| 05/14/1997 | EP0719482B1 A communication network comprising a plurality of receivers with user profile dependent selection of programmes |
| 05/14/1997 | EP0565685B1 Electronic identification system having remote automatic response capability and automatic identification method thereof |
| 05/14/1997 | EP0553252B1 Co-channel interference reduction system for digital high definition television |
| 05/14/1997 | EP0537361B1 High efficiency digital data encoding and decoding apparatus |
| 05/14/1997 | EP0526662B1 Circuit for sensing pulse-like noise in am receiver |
| 05/14/1997 | EP0455711B1 Heterodyne stage having precise closed-loop control of the amplitude of the injection signal thereof |
| 05/14/1997 | CN2254253Y Microwave communicator |
| 05/14/1997 | CN2254252Y Receiving head for soil carrier broadcasting and communication system |
| 05/14/1997 | CN1149941A Multiple access up converter/modulator and method |
| 05/14/1997 | CN1149792A Voice reporting method and device for successively renewing information of road conditions |
| 05/14/1997 | CN1149791A Radio communication equipment with movable casing parts and keyboard mounted therein |
| 05/14/1997 | CN1149770A Microwave mixing circuit |
| 05/13/1997 | US5630228 Double balanced mixer circuit with active filter load for a portable comunication receiver |
| 05/13/1997 | US5630225 Dielectric resonator image reject mixer and method |
| 05/13/1997 | US5630224 Method and apparatus for avoiding desensitization of a radio frequency receiver |
| 05/13/1997 | US5630223 Adaptive method and apparatus for eliminating interference between radio transceivers |
| 05/13/1997 | US5630221 Dynamic range extension system |
| 05/13/1997 | US5630219 Reception electric field level detection circuit |
| 05/13/1997 | US5630218 Radio receiving device for measuring an electric field level of a receiving channel and adjacent channels using common components |
| 05/13/1997 | US5630217 Error-free pulse noise canceler used in FM tuner |
| 05/13/1997 | US5630216 Micropower RF transponder with superregenerative receiver and RF receiver with sampling mixer |
| 05/13/1997 | US5630215 Radio having a combined PLL and AFC loop and method of operating same |
| 05/13/1997 | US5630213 RF antenna switch and method of operating the same |
| 05/13/1997 | US5630212 Microwave radio system with software configuration of operating parameters |
| 05/13/1997 | US5630211 Rotating antenna type portable radio apparatus |
| 05/13/1997 | US5630210 Method and apparatus for determining signal transmission quality levels of a transmitted signal |
| 05/13/1997 | US5629960 Method for reducing distortion effects on DC off-set voltage and symbol clock tracking in a demodulator |
| 05/13/1997 | US5629956 Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal |
| 05/13/1997 | US5629955 Variable spectral response FIr filter and filtering method |
| 05/13/1997 | US5629929 Apparatus for rapid interference cancellation and despreading of a CDMA waveform |
| 05/13/1997 | US5629875 Method and apparatus for interactively tuning frequency hopping transmitter |
| 05/13/1997 | US5629779 For dividing an input image signal into sub-blocks |
| 05/13/1997 | US5629655 Integrated distributed RC low-pass filters |
| 05/13/1997 | US5628631 Radio control transmitter |
| 05/13/1997 | US5628089 Radiotelephone having a self contained hinge |
| 05/13/1997 | CA2096476C Receiver circuit for digital and analog modulated signal |
| 05/13/1997 | CA2045880C Device operable with an excellent spectrum suppression |
| 05/09/1997 | WO1997016937A1 Method and arrangement for inteference-protected power supply |
| 05/09/1997 | WO1997016912A1 Wrist-watch wireless telephone |
| 05/09/1997 | WO1997016891A1 Stereo radio receiver |
| 05/09/1997 | WO1997014158A3 Receiver circuit |
| 05/07/1997 | EP0772306A2 Multi-user reception for CDMA |
| 05/07/1997 | EP0772305A2 Matched filter circuit |
| 05/07/1997 | EP0772304A2 A dual-band radio receiver |
| 05/07/1997 | EP0772291A2 Method and system for increasing the power efficiency of a balanced amplifier/antenna combination |
| 05/07/1997 | EP0772255A1 Multiband antenna with a distributed-constant dielectric resonant circuit, and multiband portable radio apparatus comprising such an antenna |
| 05/07/1997 | EP0772181A1 Improvements in or relating to the adressing of spatial light modulators |
| 05/07/1997 | EP0772120A1 Liquid crystal display device with two display sections and radio reception apparatus provided with the same |
| 05/07/1997 | EP0772058A2 Identification and/or sensor system |
| 05/07/1997 | EP0771495A1 Method for spread spectrum communications |
| 05/07/1997 | EP0771493A2 Channel hopping in a radio communications system |
| 05/07/1997 | EP0771435A2 Method and apparatus for offset frequency estimation for a coherent receiver |
| 05/07/1997 | EP0719483B1 Process for determining the type of coding to be selected for coding at least two signals |
| 05/07/1997 | EP0702868A4 Fading simulator |
| 05/07/1997 | CN1149371A Method and arrangement for call setup in telecommunication networks |
| 05/07/1997 | CN1149361A Global positioning system (GPS) receiver for recovery and tracking of signals modulated with P-code |
| 05/06/1997 | US5628061 Synthesizer receiver |
| 05/06/1997 | US5628060 Apparatus and method for selecting station using D/A converter to control the local oscillator |
| 05/06/1997 | US5628059 DC offset circuit for cartesian loop |
| 05/06/1997 | US5628058 Transceiver circuit module having electromagnetically-isolated transmitting and receiving circuit sections |