| 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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| 04/08/1997 | US5619524 Method of estimating transmission rate in a receiver |
| 04/08/1997 | US5619515 On-vehicle electronic apparatus |
| 04/08/1997 | US5619493 Spread-spectrum, frequency-hopping radio telephone system with voice activation |
| 04/08/1997 | US5619491 CDMA transmission system |
| 04/08/1997 | US5619251 Two-way CATV system and remote control system |
| 04/08/1997 | US5619197 Signal encoding and decoding system allowing adding of signals in a form of frequency sample sequence upon decoding |
| 04/08/1997 | US5619190 Trainable transmitter with interrupt signal generator |
| 04/08/1997 | US5619173 Dual polarization waveguide including means for reflecting and rotating dual polarized signals |
| 04/08/1997 | US5619168 Distortion creation and reduction circuit |
| 04/08/1997 | CA2097806C Electroacoustic transducer mounting apparatus |
| 04/08/1997 | CA2077332C Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system |
| 04/03/1997 | WO1997012476A1 Method and apparatus for reduced power consumption in a mobile packet data communication system |
| 04/03/1997 | WO1997012475A1 Method and apparatus for low power mobile units for cellular communication system |
| 04/03/1997 | WO1997012449A1 Fuzzy-logic spread-spectrum adaptive power control |
| 04/03/1997 | WO1997012446A2 Receiver architecture for the receiving of angle-modulated/ angle-keyed carrier signals |
| 04/03/1997 | WO1997012416A1 Magnetically driven vertically correcting antenna for portable telephones |
| 04/03/1997 | WO1997008837A3 Multi-media receiver and system therefor |
| 04/03/1997 | WO1997005760A3 Ultra-wideband directional sampler |
| 04/03/1997 | WO1997002675A3 Cdma modem |
| 04/03/1997 | DE19536527A1 Empfängerarchitektur zum Empfangen von winkelmodulierten/-getasteten Trägersignalen Receiver architecture for receiving angle-modulated / -getasteten carrier signals |
| 04/03/1997 | DE19536526A1 Empfängerarchitektur zum Empfangen von winkelmodulierten/-getasteten Trägersignalen unterschiedlicher Frequenz Receiver architecture for receiving angle-modulated / -getasteten carrier signals of different frequencies |
| 04/02/1997 | EP0766462A2 Receiver having analog and digital video modes and receiving method thereof |
| 04/02/1997 | EP0766418A2 Digital satellite broadcasting receiver |
| 04/02/1997 | EP0766416A2 Multiple access cellular communication with signal cancellation to reduce co-channel interference |
| 04/02/1997 | EP0766410A2 Ultra high frequency radio communication apparatus |
| 04/02/1997 | EP0766409A2 Multiband downconverter for digital receivers |
| 04/02/1997 | EP0766408A2 Radio selective calling receiver capable of checking time period of stay outside coverage zone |
| 04/02/1997 | EP0766391A1 Radio receiver |
| 04/02/1997 | EP0766215A1 Improvements in and relating to recognition systems |
| 04/02/1997 | EP0765545A2 Communications system and transmitting means therefor |
| 04/02/1997 | EP0709002B1 Method and apparatus for controlling transceiver operations in a radio communications system |
| 04/02/1997 | EP0624291B1 Error protection in a subband coder |
| 04/02/1997 | CN1146835A Method and apparatus for AM compatible digital broadcasting |
| 04/02/1997 | CN1146831A Receiver and method for generating spreading codes in a receiver |
| 04/02/1997 | CN1146702A Portable communication terminal equipment |
| 04/02/1997 | CN1146694A Radio pager with power source voltage detecting function |
| 04/02/1997 | CN1146693A Radio pager |
| 04/02/1997 | CN1146678A Error rate detecting circuit for FM multiplex broadcasting receiver |
| 04/02/1997 | CN1146672A Two-purpose circuit for receiving and transmitting |
| 04/02/1997 | CN1146671A Communication terminal equipment and control method for receiving and transmitting newspaper information |
| 04/02/1997 | CN1146670A Radio transmitter |
| 04/02/1997 | CN1146669A Power control circuit or transmission equipment |
| 04/02/1997 | CN1146668A Data radio device with changeable clock signal frequency and capable connecting with computer |
| 04/02/1997 | CN1146666A Circuit matched with wave filter |
| 04/02/1997 | CN1146665A Circuit matched with wave filter |
| 04/02/1997 | CN1034458C Cartesian Multicarrier feedback |
| 04/02/1997 | CN1034426C Cucumber mosaic virus coat protein gene |
| 04/01/1997 | US5617571 Method for controlling power to individual audio-video units making up an audio-video system |
| 04/01/1997 | US5617562 Receiving circuit reset upon reception of burst data and transmission/reception system utilizing the same |
| 04/01/1997 | US5617451 Direct-conversion receiver for digital-modulation signal with signal strength detection |
| 04/01/1997 | US5617449 IC memory card type radio modem |
| 04/01/1997 | US5617410 CDMA communication with a propagation delay between a base and a mobile station taken into account |
| 04/01/1997 | US5617344 Digital filter |
| 04/01/1997 | US5617330 Local communication system and station for use in such a system |
| 04/01/1997 | US5617240 Automatic gain control method and device for receiving circuits |
| 04/01/1997 | US5617102 Communications transceiver using an adaptive directional antenna |
| 04/01/1997 | US5617060 Method and apparatus for automatic gain control and DC offset cancellation in quadrature receiver |
| 04/01/1997 | CA2061603C Radio receiver capable of detecting a correct electric field strength of a received radio signal of a particular frequency |
| 03/27/1997 | WO1997011538A1 An adaptive filter for signal processing and method therefor |
| 03/27/1997 | WO1997011532A1 Incoming calling system |
| 03/27/1997 | WO1997011531A1 Method for selecting battery saving period in a selective call receiver |
| 03/27/1997 | WO1997011527A1 Transmission system using time dependent filter banks |
| 03/27/1997 | WO1997011506A1 Vertically correcting antenna for portable telephone handsets |
| 03/27/1997 | DE19639237A1 Double television tuner device |
| 03/27/1997 | DE19638997A1 Digital audio coding method with bit preparation for each frequency band |
| 03/27/1997 | DE19536640A1 Antenna line attenuation compensation in mobile telephone |
| 03/27/1997 | DE19535678A1 Car radio with swivelling control panel |
| 03/27/1997 | DE19534872A1 Remote control system for consumer electronics device |
| 03/26/1997 | EP0765063A2 Hinge mechanism for foldable electronic apparatus |
| 03/26/1997 | EP0765048A2 Radio Data System FM receiver capable of instantaneous muting |
| 03/26/1997 | EP0765044A2 A radiotelephone operating in a time-divided radiotelephone system |
| 03/26/1997 | EP0765043A2 An energy-efficient time-division radio that reduces the induction of baseband interference |
| 03/26/1997 | EP0765042A2 A time-division radio that induces reduced baseband interference |
| 03/26/1997 | EP0764997A1 Antenna assembly for a radio transceiver |
| 03/26/1997 | EP0764371A1 Redundant retransmission of digitized voice data in frequency hopping system |
| 03/26/1997 | EP0764370A1 Transceiver interface unit for aircraft communication |
| 03/26/1997 | EP0764318A1 Portable playback device for musical accompaniment |
| 03/26/1997 | CN2250600Y Internal fixed substituted battery for 7.2V lithium battery of mobile telephone |
| 03/26/1997 | CN1146133A Multiple path delay time searcher in reverse link communication channel of communication system employing code division multiple access method |
| 03/26/1997 | CN1146127A Receiver providing signal reception in power-off state |
| 03/26/1997 | CN1146106A Spread spectrum signal receiving apparatus |
| 03/26/1997 | CN1146103A Communication apparatus, electronic apparatus, and battery management method |
| 03/26/1997 | CN1146102A Information transmission system utilizing at least two channels in redundancy mode |
| 03/25/1997 | US5615411 Method and apparatus for composite signal separation and FM demodulation |
| 03/25/1997 | US5615410 Head wear communication system |
| 03/25/1997 | US5615384 Personal communicator having improved zoom and pan functions for editing information on touch sensitive display |
| 03/25/1997 | US5615259 Integral flap housing, switch actuator and detent mechanism for a foldable telephone |
| 03/25/1997 | US5615256 Device and method for automatically controlling sound volume in a communication apparatus |
| 03/25/1997 | US5615250 Portable telephone set for use with IC card |
| 03/25/1997 | US5615233 Method for channel estimation using individual adaptation |
| 03/25/1997 | US5615232 Method of estimating a line of sight signal propagation time using a reduced-multipath correlation function |
| 03/25/1997 | US5615227 Transmitting spread spectrum data with commercial radio |
| 03/25/1997 | US5615209 Method and apparatus for CDMA signal orthogonalization |
| 03/25/1997 | US5614906 Method for selecting a remote control command set |
| 03/25/1997 | US5614891 Vehicle accessory trainable transmitter |
| 03/25/1997 | US5614863 Method and system for increasing the power efficiency of a balanced amplifier/antenna combination |
| 03/25/1997 | CA2067652C Multi-band digital receiving apparatus and method with bandwidth reduction |
| 03/20/1997 | WO1997010650A2 Radio apparatus with several frequency ranges |
| 03/20/1997 | WO1997010649A1 Intermodulation distortion reduction circuit utilizing variable attenuation |
| 03/20/1997 | WO1997010621A1 Dual-band antenna system |