| 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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| 09/22/1999 | EP0943197A2 Unreliability detector apparatus and reproduction apparatus provided with the unreliability detector apparatus |
| 09/22/1999 | EP0943186A2 Method for adjusting power of transmitter, and control arrangement |
| 09/22/1999 | EP0943184A1 A mobile communication unit and a radio transmitter for communicating with such mobile communication unit |
| 09/22/1999 | EP0943183A1 Modular assembly for centrally locating cellular telephone accessory connections |
| 09/22/1999 | EP0943180A1 Multichannel radio device, a radio communication system, and a fractional division frequency synthesizer |
| 09/22/1999 | EP0943171A1 Modulation compensated clamp circuit |
| 09/22/1999 | EP0842569B1 Process and device for reducing common channel interference in cellular jd-cdma radio systems |
| 09/22/1999 | EP0708959B1 A fixed bit rate speech encoder/decoder |
| 09/22/1999 | CN2340126Y AC.-DC. dual-purpose radio telephone set |
| 09/22/1999 | CN1229553A Digital radio frequency interference canceller |
| 09/22/1999 | CN1229549A Method and apparatus for receiving signal in digital radio frequency communication system |
| 09/22/1999 | CN1229547A Data transmission method, and radio system |
| 09/22/1999 | CN1229543A Method for adjusting power of transmitter and control arrangement |
| 09/22/1999 | CN1229541A 无线电接收机 Radio receiver |
| 09/22/1999 | CN1229539A Receiver tuning system |
| 09/22/1999 | CN1229491A Dispensing system and method with radio frequency customer identification |
| 09/22/1999 | CN1229310A Means of communication |
| 09/21/1999 | US5956655 Portable communication device for radio communication system |
| 09/21/1999 | US5956650 Communication system interconnecting telephone line and single-frequency simultaneous transmission/reception radio system |
| 09/21/1999 | US5956649 Method and apparatus for power control in wireless networks |
| 09/21/1999 | US5956638 Method for unlicensed band port to autonomously determine interference threshold and power level |
| 09/21/1999 | US5956630 Radio necklace |
| 09/21/1999 | US5956628 Receiving for receiving FM text-based multiplex broadcasts |
| 09/21/1999 | US5956624 Method and system for simultaneously broadcasting and receiving digital and analog signals |
| 09/21/1999 | US5956623 Radio selective calling receiver |
| 09/21/1999 | US5956384 Apparatus and method for automatically detecting defective lines in a cable and for automatically switching from the defective line to an extra line |
| 09/21/1999 | US5956376 Apparatus for varying a sampling rate in a digital demodulator |
| 09/21/1999 | US5956369 Spread spectrum multipath combining subsystem and method |
| 09/21/1999 | US5956367 Rake receiving apparatus for direct sequence code division multiple access system |
| 09/21/1999 | US5956345 IS-95 compatible wideband communication scheme |
| 09/21/1999 | US5956333 Multi-user demodulator for CDMA spectrum spreading communication |
| 09/21/1999 | US5956328 Spread spectrum communications system |
| 09/21/1999 | US5955992 Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter |
| 09/21/1999 | US5955917 Nonlinear amplifier calibration system and methods |
| 09/21/1999 | US5955783 High frequency signal processing chip having signal pins distributed to minimize signal interference |
| 09/21/1999 | US5955670 Ultrasonic leak detecting apparatus |
| 09/21/1999 | US5954834 Systems and methods for communicating desired audio information over a communications medium |
| 09/21/1999 | US5954531 Releasable locking mechanism |
| 09/21/1999 | US5954527 Modular system, particularly for biomedical applications, a unit and a communication system for use therein |
| 09/21/1999 | CA2158270C Method and apparatus for reducing self interference in a communication system |
| 09/21/1999 | CA2158157C Method and apparatus for providing a communication link quality indication |
| 09/21/1999 | CA2152809C Apparatus and method for operating a phase locked loop frequency synthesizer responsive to radio frequency channel spacing |
| 09/21/1999 | CA2134230C Method and apparatus for coherent communication in a spread-spectrum communication system |
| 09/21/1999 | CA2006481C Low noise dual polarization electromagnetic power reception and conversion system |
| 09/18/1999 | CA2263053A1 Differential optical signal receiver |
| 09/16/1999 | WO1999046887A2 Wireless local area network spread spectrum transceiver with multipath interference mitigation |
| 09/16/1999 | WO1999046878A1 Comb-like spectrum communication method of complementary series repetition modulation type |
| 09/16/1999 | WO1999046875A1 Method and apparatus for signal acquisition and power control |
| 09/16/1999 | WO1999046869A1 Correction of signal-interference ratio measurements |
| 09/16/1999 | WO1999046866A1 A method and device for despreading an offset signal |
| 09/16/1999 | WO1999046865A1 Electronic device for data radio transmission and electronic card equipped with same |
| 09/16/1999 | WO1999046864A1 Integrable radio receiver circuit for frequency-modulated digital signals |
| 09/16/1999 | WO1999046863A2 Method of performing antenna diversity in a spread spectrum wireless local area network |
| 09/16/1999 | WO1999046859A1 Integrated circuit for mobile radio and mobile telephone installations |
| 09/16/1999 | WO1999046829A1 Adaptive cancellation of fixed interferers |
| 09/16/1999 | WO1999046743A1 Electronic sensor for identifying objects to prevent them from being lost, stolen or moved |
| 09/16/1999 | WO1999035586A3 Personal computer and personal computer add-on card |
| 09/16/1999 | WO1999034528A3 Apparatus and method for locking onto a pseudo-noise code in an is-95 spread spectrum communication system |
| 09/16/1999 | WO1999004498A3 Method and apparatus for encoding and decoding multiple audio channels at low bit rates |
| 09/16/1999 | DE19910371A1 Receiver with automatic RF or HF signal gain control circuit |
| 09/16/1999 | DE19901376A1 Multi-function audio system can perform a number of functions yet forms unit that allows hands-free telephone operation |
| 09/16/1999 | DE19810558A1 Integratable radio receiver circuit for frequency modulated digital signals |
| 09/16/1999 | DE19810114A1 Search process for musical pieces, for radio receiver |
| 09/16/1999 | DE19808176A1 Method of transferring information using modulated transmission signal with envelope curve |
| 09/16/1999 | CA2670691A1 Gigabit ethernet transceiver |
| 09/16/1999 | CA2323145A1 Electronic device for data radio transmission and electronic card equipped with same |
| 09/16/1999 | CA2322710A1 Electronic sensor for identifying objects to prevent them from being lost, stolen or moved |
| 09/16/1999 | CA2322389A1 A method and device for despreading an offset signal |
| 09/15/1999 | EP0942579A2 Variable rate audio packet transmission in cellular radio network |
| 09/15/1999 | EP0942565A2 Phase estimation for fading channels |
| 09/15/1999 | EP0942546A2 CDMA communication apparatus and CDMA communication method |
| 09/15/1999 | EP0942545A2 Power supply during stand-by-mode |
| 09/15/1999 | EP0942543A2 Slot timing detection method and circuit |
| 09/15/1999 | EP0942542A1 Method of signal demodulation for transmitted sequences in a communication system |
| 09/15/1999 | EP0942541A2 CDMA transmission apparatus with transmission power control |
| 09/15/1999 | EP0942540A2 Spread spectrum receive apparatus with path and space diversity |
| 09/15/1999 | EP0942539A2 Receiving method and receiver for spread sprectrum signal |
| 09/15/1999 | EP0942538A2 Transmission and reception apparatus and method using frequency sweeping |
| 09/15/1999 | EP0942528A2 Harmonic suppression circuit |
| 09/15/1999 | EP0942527A2 Radiation shielding and power amplifier system and method for cellular phones |
| 09/15/1999 | EP0942523A1 Modulating and demodulating device |
| 09/15/1999 | EP0942489A1 Array antenna apparatus for use in spread spectrum communications with a particular interval between antenna elements |
| 09/15/1999 | EP0942486A2 Glass antenna device for vehicle |
| 09/15/1999 | EP0942402A2 System and signalling apparatus for broadcasting an emergency warning |
| 09/15/1999 | EP0942387A1 Procedure and system for multiple reading of a dynamic collection of labels |
| 09/15/1999 | EP0941586A1 Receiving device for a radio communication system for the reception of subscriber signals via an air interface |
| 09/15/1999 | EP0941583A2 Transmitting and receiving method and station for data transmission without interference using chirped frequency modulated signal |
| 09/15/1999 | EP0941582A1 Method for correcting errors from a jamming signal in a frequency hopped spread spectrum communication system |
| 09/15/1999 | EP0941575A1 Efficient parallel-stage power amplifier |
| 09/15/1999 | EP0941556A1 Dual-band antenna coupler for a portable radiotelephone |
| 09/15/1999 | EP0941532A1 Rfid system in communication with vehicle on-board computer |
| 09/15/1999 | EP0941487A1 Method and apparatus for determining time for gps receivers |
| 09/15/1999 | EP0807338A4 Differential feed-forward amplifier power control for a radio receiver system |
| 09/15/1999 | EP0629324A4 Apparatus and method for reducing power consumption in a mobile communications receiver. |
| 09/15/1999 | EP0574509B1 Signal processing apparatus and method |
| 09/15/1999 | CN2338917Y Transmitter and receiver using optical fiber video transmission |
| 09/15/1999 | CN2338916Y Wall hanging type automatic tuning frequency-modulation loudspeaker |
| 09/15/1999 | CN2338915Y Speech ordering device for water supply system |
| 09/15/1999 | CN1228893A Semiconductor integrated circuit for communication and battery saving method for the same |
| 09/15/1999 | CN1228890A Arrangement and method relating to handling of redundant signals and telecommunications system comprising such |