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) |
---|
01/08/1998 | WO1998000908A1 Circuit arrangement comprising a cartesian amplifier |
01/08/1998 | WO1998000837A1 Audio signal coding and decoding methods and audio signal coder and decoder |
01/08/1998 | WO1998000056A1 Architecture for tdma medical telemetry system |
01/08/1998 | DE19727718A1 HF module with HF modulator and TV tuner for VCR |
01/08/1998 | DE19710474A1 Temperature compensated logarithmic amplifier for mobile telephone |
01/08/1998 | DE19626384A1 Data input device with single-handed operation |
01/08/1998 | CA2259654A1 Method and apparatus for using duality and also a system for communicating digital information |
01/07/1998 | EP0817450A2 Protective sheath for cordless telephones |
01/07/1998 | EP0817403A2 Digital mobile telephone which maintains synchronized operation with a cellular or mobile system |
01/07/1998 | EP0817397A1 Method for switching a channel from a first to a second propagation path |
01/07/1998 | EP0817395A1 Adaptive transform coding system and corresponding decoding system |
01/07/1998 | EP0817394A2 Transmitter-receiver |
01/07/1998 | EP0817393A2 Portable power source with visual image display |
01/07/1998 | EP0817392A2 Radio selective call receiver and method of displaying remaining time |
01/07/1998 | EP0817370A1 Radio communication device capable of setting a frequency channel with a small frequency step |
01/07/1998 | EP0816862A2 Distress message signal sending device |
01/07/1998 | EP0815689A1 Adapter module for direct-to-home television broadcast receiving system |
01/07/1998 | EP0815686A1 Satellite receiver computer adapter card |
01/07/1998 | EP0815668A2 Transmitter for and method of transmitting a wideband digital information signal, and receiver |
01/07/1998 | EP0815667A1 A method for frame quality detection and a receiver |
01/07/1998 | EP0815661A1 Interference reduction in tdm-communication/computing devices |
01/07/1998 | EP0815653A1 Compensated ring mixers |
01/07/1998 | EP0815652A2 A receiver and arrangement for detecting adjacent channel interference |
01/07/1998 | EP0815638A1 Transponder for electronic identification system |
01/07/1998 | EP0815637A1 Integrated circuit full-wave rectifier |
01/07/1998 | EP0815613A1 Dual frequency antenna with integral diplexer |
01/07/1998 | EP0815509A1 Method and apparatus for data encoding and communication over noisy media |
01/07/1998 | EP0815475A1 Process and device for producing a transponder unit and transponder unit thus produced |
01/07/1998 | EP0784448A4 Signal processing apparatus |
01/07/1998 | EP0775388A4 Power consumption control method and apparatus for a communication system subscriber unit |
01/07/1998 | EP0746913B1 Process for the cascade coding and decoding of audio data |
01/07/1998 | EP0727111A4 Spread spectrum spectral density techniques |
01/07/1998 | EP0711417B1 Method and apparatus for controlling the exposure to rf transmissions |
01/07/1998 | EP0645064B1 Ground radio transmitting and receiving apparatus |
01/07/1998 | CN1169801A Diversity receiver and control method therefor |
01/07/1998 | CN1169645A System and method for collection of transmission characteristics |
01/07/1998 | CN1169626A Combined housing system |
01/07/1998 | CN1169625A CDMA transmitter having variable gain circuit inserted between transmitter frequency-converter and transmitter antenna |
01/06/1998 | US5706428 Multirate wireless data communication system |
01/06/1998 | US5706396 Error protection system for a sub-band coder suitable for use in an audio signal processor |
01/06/1998 | US5706393 Audio signal transmission apparatus that removes input delayed using time time axis compression |
01/06/1998 | US5706354 AC line-correlated noise-canceling circuit |
01/06/1998 | US5706350 Stereophonic decoder |
01/06/1998 | US5706315 Automatic frequency control device for tuning an intermediate frequency signal to a target frequency |
01/06/1998 | US5706309 Process for transmitting and/or storing digital signals of multiple channels |
01/06/1998 | US5706307 Method and arrangement for the determination of the ratio for common-channel or adjacent-channel interferers in digital mobile communication networks |
01/06/1998 | US5706284 Method for establishing communication path between mobile stations |
01/06/1998 | US5706277 Method for changing-over to standby for a transmission device for the bidirectional transmission of digital signals and arrangement for carrying out the method |
01/06/1998 | US5706275 Data transmission method, transmitter, and receiver |
01/06/1998 | US5706215 Method and system for adjusting replacement component characteristics |
01/06/1998 | US5706060 Circuit arrangement for applying an antenna signal directly to T.V. receiver and bypassing a VCR |
01/06/1998 | US5704094 Electronic device having a cam assembly functioning as a depressible hinge |
01/06/1998 | CA2047398C Luminance signal noise suppressor |
01/03/1998 | CA2209597A1 Dual mode transceiver |
01/02/1998 | DE19726270A1 Radio device using digital modulation |
01/02/1998 | DE19625689A1 Remote controller e.g. for television set |
01/02/1998 | DE19625588A1 Radio remote control system operation method e.g. for garage door |
01/02/1998 | DE19624792A1 Foot-pedal operated device for operating motor vehicle radio, CD- or cassette-player |
01/02/1998 | DE19624762A1 Verfahren zur Überwachung der Zugangsberechtigung bei einem Rundfunkempfangsgerät und Rundfunkempfangsgerät Procedures for monitoring the access authorization in a radio receiver and radio receiver |
01/02/1998 | DE19624184A1 Spectacles, such as sun-glasses, with radio broadcast reception device |
12/31/1997 | WO1997050206A1 Cdma communication system which selectively suppresses data transmissions during establishment of a communication channel |
12/31/1997 | WO1997050202A2 Method and apparatus for communicating information |
12/31/1997 | WO1997050201A1 A method and system for providing synchronization in a stream of messages and a transmitter and a receiver for use in such a system |
12/31/1997 | WO1997050194A2 A method of controlling initial power ramp-up in cdma systems by using short codes |
12/31/1997 | WO1997050191A1 Method and apparatus for rate determination in a communication system |
12/31/1997 | WO1997050189A1 Arrangement and method relating to the handling of redundant signals and a telecommunications system comprising such |
12/31/1997 | WO1997050187A1 Satellite receiver |
12/31/1997 | WO1997050186A2 System and method for adaptive interference cancelling |
12/31/1997 | WO1997050173A1 Efficient multichannel filtering for cdma modems |
12/31/1997 | WO1997050172A1 Low power audio device |
12/31/1997 | WO1997050039A1 Parallel packetized intermodule arbitrated high speed control and data bus |
12/31/1997 | WO1997049576A1 Device for monitoring the right of access in a radio receiver and radio receiver |
12/31/1997 | CN1169220A Ultrawide-band communications system and method |
12/31/1997 | CN1169219A Digital transmission system for transmitting digital audio signal being in form of samples of a specific wordlength and occurring at specific sampling rate |
12/31/1997 | CN1169216A Wide frequency spectrum TV tuner with single local oscillator |
12/31/1997 | CN1169091A Electronic card reader for reading cards of different formats, and portable telephone including such reader |
12/31/1997 | CN1169090A Multiband mobile unit communication apparatus |
12/31/1997 | CN1169089A Mobile radio communication apparatus |
12/31/1997 | CN1169088A Method for accessing cell using two pilot channels in CDMA communication system of asynchronous or quasi-synchronous mode |
12/31/1997 | CN1169086A Radio selective call receiver capable of adjusting radio signal level |
12/31/1997 | CN1169066A Radio receiving apparatus |
12/31/1997 | CN1169065A Receiving apparatus, receiving method, and communication system |
12/31/1997 | CN1169061A Amplifier circuit for sound frequency signal |
12/31/1997 | CN1036885C Method and apparatus for inserting sound signal into synchronous and compressed data signal |
12/31/1997 | CA2818770A1 Method and subscriber unit for performing an access procedure |
12/31/1997 | CA2676866A1 Method and subscriber unit for performing an access procedure |
12/31/1997 | CA2434522A1 Efficient multichannel filtering for cdma |
12/31/1997 | CA2258002A1 Method and apparatus for communicating information |
12/30/1997 | US5703999 Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels |
12/30/1997 | US5703947 Portable telephone equipment for biasing a switching member to a normally neutral position |
12/30/1997 | US5703945 Hands free cordless phone caddy |
12/30/1997 | US5703932 For use in an automobile |
12/30/1997 | US5703910 Digital radio receiver |
12/30/1997 | US5703907 Method for data compression |
12/30/1997 | US5703874 Broadband CDMA overlay system and method |
12/30/1997 | US5703873 Method and apparatus for synchronizing subscriber equipment with base stations in a CDMA radio network |
12/30/1997 | US5703595 In a communication system |
12/30/1997 | US5703579 Decoder for compressed digital signals |
12/30/1997 | US5703573 Transmitter-receiver for non-contact IC card system |
12/30/1997 | US5703545 High frequency filter circuit |