Patents
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)
07/1997
07/09/1997EP0467899B1 Radio having optical controls
07/09/1997CN1154186A A direct-sequence spread spectrum communication system, A primary radio station, and a secondary radio station
07/09/1997CN1154185A Mobile radio transmitting/receiving device with transmitting power regulation circuit
07/09/1997CN1154019A Time-division radio that induces reduced baseband interference
07/09/1997CN1154018A Frequency synthesizer
07/08/1997US5647006 Mobile radio terminal comprising a speech
07/08/1997US5646964 DS/CDMA receiver for high-speed fading environment
07/08/1997US5646958 Decision feedback equalizer for canceling short-and long-multipath components using correspondingly delayed decision symbols
07/08/1997US5646701 Trainable transmitter with transmit/receive switch
07/08/1997US5646634 Miniaturized antenna for converting an alternating voltage into a microwave and vice versa, notably for horological applications
07/08/1997US5646627 Method and apparatus for controlling a biphase modulation to improve autocorrelation in pseudorandom noise coded systems
07/08/1997US5646608 Apparatus and method for an electronic device control system
07/08/1997US5646591 Advanced method of indicating incoming threat level to an electronically secured vehicle and apparatus therefor
07/08/1997CA2095316C Reduction of interchannel harmonic distortions in an analog and digital signal multiplex
07/08/1997CA2083277C Interference detection technique
07/03/1997WO1997023998A1 Information transmission/reception system
07/03/1997WO1997023961A1 Method and device for eliminating spurious signals in a direct-sequence spread spectrum link
07/03/1997WO1997023960A1 Remote control device and remote control method
07/03/1997WO1997023959A2 A receiver and arrangement for detecting adjacent channel interference
07/03/1997WO1997023958A2 A receiver, an arrangement and a method for comparing two signals
07/03/1997WO1997023929A1 Coaxial accessory connector
07/03/1997DE19654295A1 Noise suppression control circuit especially for shot noise
07/03/1997DE19646603A1 GPS mobile telephone especially for emergency calls
07/03/1997DE19600050A1 Mobile radio transceiver in which position of transmitter and receiver device is adjustable
07/03/1997DE19549148A1 Verfahren und Anordnung zur Funkübertragung von digitalen Signalen Method and system for wireless transmission of digital signals
07/03/1997CA2240867A1 Method and device for eliminating spurious signals in a direct-sequence spread spectrum link
07/02/1997EP0782364A2 Method and apparatus for the dynamic allocation of signal bandwidth between audio, video and data signals
07/02/1997EP0782358A2 Mobile communicator
07/02/1997EP0782308A1 Personal multifunction wrist-device
07/02/1997EP0782275A2 Method and apparatus for eliminating interference using transmission delay and code multiplexing in digital radio system
07/02/1997EP0782274A1 Portable receiver comprising a manually actuable control device
07/02/1997EP0782270A1 Tuning system for a digital satellite receiver with fine tuning provisions
07/02/1997EP0782249A1 System and method for rejecting image signals
07/02/1997EP0782213A2 Radio station with a separate antenna unit
07/02/1997EP0781477A2 Communication system with sliding frequency, and transceiver for the system
07/02/1997EP0781475A1 Dual-mode satellite/cellular phone with a frequency synthesizer
07/02/1997EP0781474A2 A reception method, and a receiver
07/02/1997EP0781473A1 Micropower rf transponder
07/02/1997EP0781468A1 Improvements to a logarithmic converter
07/02/1997EP0781467A2 Quadrature modulator with integrated distributed rc filters
07/02/1997EP0781440A1 Device and method for the telecontrol of an object
07/02/1997CN2257403Y Non-charging cell for mobile telephone
07/02/1997CN1153580A High performance modem using pilot symbols for equalization and frame synchronization
07/02/1997CN1153431A Method and apparatus for automatically tuning receiver
07/02/1997CN1153369A Coding method and apparatus for using multi channel audio signals
07/02/1997CN1153291A Position detection apparatus used for mobile object
07/02/1997CN1035351C 高频放大器 High-frequency amplifier
07/01/1997US5644785 Golf strap radio carrier
07/01/1997US5644597 Adaptive equalizer and adaptive diversity equalizer
07/01/1997US5644592 Parallel interference cancellation for CDMA applications
07/01/1997US5644590 Spread spectrum communication apparatus and signal intensity detection apparatus
07/01/1997US5644310 Integrated audio decoder system and method of operation
07/01/1997US5644303 Specialized shaped universal remote commander
06/1997
06/27/1997CA2190545A1 System architecture and method for processing signals received over a path
06/26/1997WO1997023054A1 Spread spectrum telecommunication system
06/26/1997WO1997023053A1 Transmitter-receiver circuit for radio communication and semiconductor integrated circuit device
06/26/1997WO1997023052A1 Improvements relating to the processing of broadcasting signals
06/26/1997WO1997023051A2 Radio apparatus
06/26/1997WO1997023016A1 A portable radio terminal having diversity reception antennas
06/26/1997WO1997023015A1 Telescopic antenna for a mobile phone
06/26/1997DE19653561A1 Mixer circuit using two diodes
06/26/1997DE19653558A1 Automatic amplification regulation circuit
06/26/1997DE19627027C1 Sheath wave trap for movable cable especially of NMR local antenna
06/26/1997CA2239589A1 Telescopic antenna for a mobile phone
06/25/1997EP0781018A1 Mobile device for, by way of a radio link, setting up a telecommunication connection
06/25/1997EP0781005A1 Preemptive roaming in a cellular local area wireless network
06/25/1997EP0780993A2 Radiotelephone transceiver operative over more than one frequency range
06/25/1997EP0780992A1 Device for connecting a mobile telephone or radio apparatus to an external power supply
06/25/1997EP0780991A2 Adaptor cable for a mobile radio
06/25/1997EP0780990A2 Method and apparatus for remote control of electronic equipment
06/25/1997EP0780989A2 Radio telephone with power saving
06/25/1997EP0780988A2 Radio receiver with digital signal processing
06/25/1997EP0780968A1 Multimode radio communications terminal
06/25/1997EP0780690A2 Field sensor
06/25/1997EP0780134A1 A modular system, particularly for biomedical applications, a unit and a communication system for use therein
06/25/1997EP0780007A1 Radio frequency circuit and memory in thin flexible package
06/25/1997EP0779994A1 Radio frequency identification tag
06/25/1997EP0779990A1 Time-of-flight radio location system
06/25/1997CN2257106Y Mobile phone cell with charging function
06/25/1997CN1152991A Method and apparatus for rapid handover in a mobile radio system in the presence of abrupt radio signal attenuation
06/25/1997CN1152986A Television program record scheduling and satellite receiver control using compressed codes
06/25/1997CN1152981A Wideband FFT channelizer
06/25/1997CN1152979A Channel hopping in a radio communications system
06/25/1997CN1152829A Radio mobile telephone set with demountable spring-locked panel and capable of satisfying various demands of outward appearance
06/25/1997CN1152823A Common frequency multiplex anti-interference real time identifying method and system
06/25/1997CN1152821A Filter circuit for communication
06/25/1997CN1152820A Matched filter circuit used for frequency-expansion communication
06/25/1997CN1152805A Aerial assembly for radio communication device
06/24/1997US5642437 Data processing system
06/24/1997US5642402 Hands free equipment
06/24/1997US5642397 Paging system which combines a paging signal with a standard broadcast baseband signal
06/24/1997US5642383 Audio data coding method and audio data coding apparatus
06/24/1997US5642378 Dual mode analog and digital cellular phone
06/24/1997US5642377 Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems
06/24/1997US5642153 Consumer interface for a digital television system
06/24/1997US5642111 High efficiency encoding or decoding method and device
06/24/1997US5642103 Transponder used in a remote identification system
06/24/1997US5642102 Pager with automatic detection of insertion into holster
06/24/1997US5642083 High-frequency switch
06/24/1997US5642063 Current-saving detection for input signal level exceeding a threshold value