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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01/05/2000 | DE19927242A1 Receiver for reception of multiplexed radio wave |
01/05/2000 | DE19837408C1 Carrier recovery method for optical phase shift keying homodyne receiver |
01/05/2000 | DE19825455A1 Frequenzumsetzungseinrichtung für ein Fernsehsignalgemisch Frequency conversion device for a composite video signal |
01/05/2000 | DE19808653A1 Fan-shaped radiation protection for mobile telephones |
01/05/2000 | CN2357444Y Wireless fixed table |
01/05/2000 | CN2357443Y Domestic electrical appliance remote-controller capable of lighting |
01/05/2000 | CN1240559A Method and system for produced power operation of cellular mobile terminals |
01/05/2000 | CN1240544A Mobile communication unit and a radio transmitter for communicating with such mobile communication unit |
01/05/2000 | CN1240543A Circuit and method for controlling the power used by a portable radiotelephone |
01/05/2000 | CN1240386A Semiconductor device and method for manufacturing the same |
01/05/2000 | CN1240305A Pocket portable radio terminal unit |
01/05/2000 | CN1048128C Double-conversion type radio transmitting and receiving system |
01/04/2000 | US6012105 System for interfacing with an external accessory in one of two interface modes based on whether communication can be established with external accessory or not |
01/04/2000 | US6011992 System for measuring and indicating changes in the resistance of a living body |
01/04/2000 | US6011980 Wireless telecommunication equipment |
01/04/2000 | US6011979 Method for selecting an amplifier for use in a personal communication service base station |
01/04/2000 | US6011965 Receiver with a tunable parallel resonant circuit |
01/04/2000 | US6011964 Helical antenna for a portable radio apparatus |
01/04/2000 | US6011963 Received signal strength detecting circuit |
01/04/2000 | US6011959 Combiner circuit for dual band voltage controlled oscillators |
01/04/2000 | US6011956 Means for predicting fading state in radio communication system |
01/04/2000 | US6011952 Self-interference cancellation for relayed communication networks |
01/04/2000 | US6011817 Transmission system and receiver with improved detection, and improved detection method |
01/04/2000 | US6011812 Receiving method and receiver |
01/04/2000 | US6011789 Broadband CDMA overlay system and method |
01/04/2000 | US6011785 Wideband wireless base-station making use of time division multiple-access bus to effect switchable connections to modulator/demodulator resources |
01/04/2000 | US6011756 Audiofrequency signal adapter with a rotary wire locating member |
01/04/2000 | US6011597 Signal receiving apparatus and signal receiving system |
01/04/2000 | US6011516 Multiband antenna with a distributed-constant dielectric resonant circuit as an LC parallel resonant circuit, and multiband portable radio apparatus using the multiband antenna |
01/04/2000 | US6011496 Digital data coding/decoding method and apparatus |
01/04/2000 | US6011488 Radio frequency interface device for a transponder |
01/04/2000 | US6011450 Semiconductor switch having plural resonance circuits therewith |
01/04/2000 | US6011323 Apparatus, method and article of manufacture providing for auxiliary battery conservation in adapters |
01/04/2000 | US6010216 "Hear speak" two-way voice radio communications eyeglasses |
01/03/2000 | CA2276625A1 Dual band transceiver |
12/30/1999 | DE19927489A1 Antenna booster amplifier for digital radio |
12/30/1999 | DE19925525A1 Mobile telephone holder for motor vehicle |
12/30/1999 | DE19828751A1 Verfahren zum Schutz von an ein Autoradio angeschlossenen Komponenten Method for protecting components connected to a car radio |
12/30/1999 | DE19828226A1 Wireless network with base stations and terminals, optionally mobile |
12/30/1999 | CA2272513A1 Pilot symbols |
12/29/1999 | WO1999067935A1 Mobile telephone with protection device against radiations generated while it is used |
12/29/1999 | WO1999067895A1 Method and apparatus for storing and accessing different chip sequences |
12/29/1999 | WO1999067894A2 Two-way wireless communication between a group of devices |
12/29/1999 | WO1999067893A1 Dual band cellular phone with two power amplifiers and power control circuit therefor |
12/29/1999 | WO1999067892A1 Dual band cellular phone with two power amplifiers and a current detector for monitoring the consumed power |
12/29/1999 | WO1999067890A1 Spread spectrum handshake for digital subscriber line telecommunications systems |
12/29/1999 | WO1999067889A1 Protective case for a mobile telephone |
12/29/1999 | WO1999067888A1 Device and method for controlling output power of mobile communication terminal |
12/29/1999 | WO1999067887A2 Telecommunication system with channel sharing |
12/29/1999 | WO1999067774A1 A noise suppressor having weighted gain smoothing |
12/29/1999 | WO1999067762A1 User information system in public transport |
12/29/1999 | WO1999067735A1 Anti-collision tag apparatus and system |
12/29/1999 | WO1999056399A3 Simplified receiver for frequency shift keyed signals |
12/29/1999 | WO1999056388A3 If-receiver |
12/29/1999 | EP0967772A1 Telephone housing for handsfree use |
12/29/1999 | EP0967771A2 Sim card terminal |
12/29/1999 | EP0967760A2 Radio receiver for different data rates |
12/29/1999 | EP0967757A2 Information processing apparatus and method and computer program for enabling a function change |
12/29/1999 | EP0967748A2 Method and system for broadcasting multiplexed audio and data signals, receiving device for receiving said multiplexed audio and data signals, recording device for selectively recording the audio signals |
12/29/1999 | EP0967747A2 Method and apparatus for receiving a digital transmission, comprising a computer-readable recording medium |
12/29/1999 | EP0967742A2 Wireless Network |
12/29/1999 | EP0967738A2 Proportional diversity radio receiver system |
12/29/1999 | EP0967734A2 Multiuser interference canceler for DS-cdma system |
12/29/1999 | EP0967733A2 Matched filter circuit |
12/29/1999 | EP0967732A1 Method and apparatus for desensitization of a wireless receiver |
12/29/1999 | EP0967717A2 Predistortion control for power reduction |
12/29/1999 | EP0967593A1 Audio coding and quantization method |
12/29/1999 | EP0967568A2 Identification element |
12/29/1999 | EP0967120A2 Device for protecting components connected to a car radio |
12/29/1999 | EP0966819A1 Phase-locked loop with continuously adjustable bandwith |
12/29/1999 | EP0966818A1 Improvements in ultrafast time hopping cdma-rf |
12/29/1999 | EP0966798A2 Network for transmitting data packets and method for operating the network |
12/29/1999 | EP0966797A2 Highly bandwidth-efficient communications |
12/29/1999 | EP0966796A1 Multichannel viterbi decoder |
12/29/1999 | EP0966795A2 A reception method and a receiver |
12/29/1999 | EP0966794A1 An improved cdma receiver |
12/29/1999 | EP0966793A1 Audio coding method and apparatus |
12/29/1999 | EP0932941A4 Slotline-mounted flip chip structures |
12/29/1999 | EP0688478B1 Accessory for a mobile communication device |
12/29/1999 | EP0636268B1 Apparatus, method, and system for compressing a digital input signal in more than one compression mode |
12/29/1999 | CN2356449Y Very-high frequency diplexer high frequency ceramic skeleton |
12/29/1999 | CN1240095A Base station for radio telecommunications system |
12/29/1999 | CN1240079A Method for correcting errors from fading signal in frequency hopped spread spectrum communication system |
12/29/1999 | CN1240070A Method for correcting errors from jamming signal in frequency hopped spread spectrum communication system |
12/29/1999 | CN1240069A Dual-mode radiotelephone apparatus for digital or analog modulation |
12/29/1999 | CN1240068A Modular assembly for centrally locating cellular telephone accessory connections |
12/29/1999 | CN1240055A Dual-band antenna coupler for portable radiotelephone |
12/29/1999 | CN1239859A Dual-band antenna shared device |
12/29/1999 | CN1239852A Signal receiving and sending assembly for portable telephone set |
12/29/1999 | CN1239851A Signal sending circuit |
12/29/1999 | CN1239849A RF communications system operable in presence of repetitive interference source and related methods |
12/29/1999 | CN1047900C Audio visual system |
12/29/1999 | CN1047896C Power amplifier having nested amplitude modulation controller and phase modulation controller |
12/29/1999 | CA2335742A1 Method and apparatus for storing and accessing different chip sequences |
12/29/1999 | CA2335475A1 Mobile telephone with protection device against radiations generated while it is used |
12/29/1999 | CA2332941A1 Spread spectrum handshake for digital subscriber line telecommunications systems |
12/28/1999 | US6009470 Encoded multi-media terminal |
12/28/1999 | US6009399 Method and apparatus for encoding digital signals employing bit allocation using combinations of different threshold models to achieve desired bit rates |
12/28/1999 | US6009337 Method and arrangement for interference-protected power supply |
12/28/1999 | US6009324 Method and device for monitoring a mobile telephone repeater |