Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
12/1998
12/17/1998WO1998048523A3 Transponder constructed for contactless inductive communication
12/17/1998WO1998038805A3 A reception method and a receiver
12/17/1998DE19735545C1 CD-Audio sound system for motor vehicle
12/17/1998DE19725928A1 Electrolytic receiver for free electrical waves through resonance in electrolytic and galvanic elements
12/17/1998DE19725898A1 Entertainment system for motor vehicle
12/17/1998DE19724027A1 Verfahren und Anordnung zum Empfang von Daten Method and apparatus for receiving data
12/16/1998EP0884907A1 Caller indentification system for television
12/16/1998EP0884901A2 Video signal recording apparatus and method
12/16/1998EP0884879A2 QAM transmission using spread spectrum and sequence estimation
12/16/1998EP0884862A1 Radiocommunication device of transmission diversity system
12/16/1998EP0884861A2 Spread spectrum receiver and transmission power control method
12/16/1998EP0884858A2 Mobile communication system using frequency hopping
12/16/1998EP0884857A2 Interference canceller for a direct sequence CDMA receiver in a mobile radio communication system
12/16/1998EP0884856A2 Spread spectrum communication system
12/16/1998EP0884855A1 Shared wave removing device
12/16/1998EP0884854A2 Microwave detector
12/16/1998EP0884850A2 Scalable audio coding/decoding method and apparatus
12/16/1998EP0884845A1 Automatic frequency control method and circuit
12/16/1998EP0884836A1 In-phase quadrature signal regeneration
12/16/1998EP0884706A1 Method for managing a remote control receiver
12/16/1998EP0883964A1 Tv set top box using gps
12/16/1998EP0883953A1 Radio with peak power and bandwidth efficient modulation
12/16/1998EP0883951A1 Receiver with filter offset correction
12/16/1998EP0883946A1 Video pedestal network
12/16/1998EP0883941A1 Multiple access communications system and method using code and time division
12/16/1998EP0883940A1 Subtractive multicarrier cdma access methods and systems
12/16/1998EP0883936A1 A rapid-acquisition access channel scheme for cdma systems
12/16/1998EP0883934A1 Dual-mode radio receiver for receiving narrowband and wide band signals
12/16/1998EP0883933A1 Validation of subscriber signals in a cellular radio network
12/16/1998EP0883908A1 Combination satellite and vhf/uhf receiving antenna
12/16/1998EP0883907A1 Folded bow-tie antenna
12/16/1998EP0883905A1 Orthogonal switched antenna system
12/16/1998EP0883869A1 Programmable universal remote control
12/16/1998EP0820665B1 Analog spread spectrum wireless speaker system
12/16/1998EP0720800B1 High-frequency receiver
12/16/1998CN2301014Y Audio frequency modulation controller for ultrahigh frequency transmitter
12/16/1998CN1202079A Communication device having multiple displays and method of operating the same
12/16/1998CN1202054A System of processing, converting and distributing message in fixed subscriber unit in broad band code division multiple access wireless local loop
12/16/1998CN1202048A Antenna reconance control apparatus
12/16/1998CN1202047A Adaptive array antenna receiving apparatus
12/16/1998CN1202046A Mobile communication transmitter capable of selectively activating amplifiers
12/16/1998CN1202024A Loop antenna apparatus
12/16/1998CN1202022A RF power divider
12/16/1998CN1202010A Static electricity removing structure for portable electronic devices
12/15/1998US5850613 Apparatus and method for hands-free operation of a radio microphone
12/15/1998US5850612 Multi-axis vertically corrected antenna for handheld wireless communications devices
12/15/1998US5850600 Three cell wireless communication system
12/15/1998US5850598 Homodyne receiver and process for direct conversion
12/15/1998US5850597 Radiofrequency module for radio control transmitter
12/15/1998US5850596 Method and system for making unlicensed priority transmissions
12/15/1998US5850527 Information providing apparatus
12/15/1998US5850481 Steganographic system
12/15/1998US5850456 Apparatus for encoding multiple digital information signals
12/15/1998US5850437 Transmission system with improved tone detection
12/15/1998US5850418 Encoding system and encoding method for encoding a digital signal having at least a first and a second digital component
12/15/1998US5850414 Spread spectrum communication receiver with synchronizing circuit
12/15/1998US5850304 Optically programmable controller
12/15/1998US5850164 FM demodulation and frequency tuning for a phase-locked loop
12/15/1998CA2157272C Code division multiplex signal receiving method
12/13/1998CA2217471A1 Asynchronous digital system, asynchronous data path circuit, asynchronous digital signal processing circuit and asynchronous digital signal processing method
12/10/1998WO1998056146A1 Time variable adaptation method and data receiver
12/10/1998WO1998056120A2 Transmit power control in a radio communication system
12/10/1998WO1998056118A1 Radio communications device with reference-compensated power down control and methods of operating thereof
12/10/1998WO1998056110A1 Narrow band-pass interferometric filter having enhanced operational characteristics
12/10/1998WO1998056065A1 Radio device with moveable antenna
12/10/1998WO1998056060A1 Two-frequency switch, device using two-frequency antenna in common, and mobile radio communication equipment for two-frequency bands using the device
12/10/1998WO1998055928A1 Managing an information retrieval problem
12/10/1998DE19824817A1 Short wave receiver
12/10/1998DE19723331A1 Funkgerät Radio set
12/10/1998CA2293424A1 Transmit power control in a radio communication system
12/10/1998CA2292534A1 Method and arrangement for receiving data
12/10/1998CA2239948A1 Video signal recording apparatus and method
12/09/1998EP0883320A2 Network control system, network terminal and control terminal
12/09/1998EP0883264A1 Datatransmission system
12/09/1998EP0883250A2 Mobile communication transmitter capable of selectively activating amplifiers
12/09/1998EP0883241A1 Bias voltage controlled parallel active components
12/09/1998EP0883207A2 Adaptive array antenna receiving apparatus
12/09/1998EP0882370A2 Multi-media receiver and system therefor
12/09/1998EP0882341A1 A control system for a telecommunications system
12/09/1998EP0882337A1 Voice messaging system and method making efficient use of orthogonal modulation components
12/09/1998EP0882333A1 Method and apparatus for signal demodulation and diversity combining of orthogonally modulated signals
12/09/1998EP0882331A1 Apparatus and method for digitizing and detecting a received radio frequency signal
12/09/1998EP0882330A1 Synchronization of transmissions from a subscriber unit to a base unit in a radio cdma communications system
12/09/1998EP0882329A1 A multi-user acquisition procedure for point-to-multipoint synchronous cdma systems
12/09/1998EP0712553A4 A method and apparatus for receiving and decoding communication signals in a cdma receiver
12/09/1998CN1201540A Enhanced detection of multiple data transmissions
12/09/1998CN1201353A Receiving apparatus and method, and terminal unit used together with radio system
12/09/1998CN1201344A Radio calling-selective receiver capable of controlling receiving-operation
12/09/1998CN1201340A Channel selective control for calling-selective receiver
12/09/1998CN1201309A Signal receiving device for spread spectrum communication mode
12/09/1998CN1201308A Information coding method and apparatus, information decoding method and apparatus, and information recording medium
12/09/1998CN1201307A Radio equipment for time-division multi-address system and regulation circuit for output electric-level of synthesizer
12/09/1998CN1201304A Double-frequency-band data communication equipment
12/09/1998CN1201302A Radio receiver of suppressing damping-characteristic of low-frequency signals and method thereof
12/09/1998CN1201300A 卫星广播接收装置 Satellite broadcasting receiving apparatus
12/09/1998CN1201298A Interference-reduced radio time-division multi-address emittor
12/09/1998CN1201297A Electronic game computer
12/09/1998CN1201293A Linear power amplifier and method for eliminating intermodulation distortion signals
12/08/1998US5848391 Method subband of coding and decoding audio signals using variable length windows
12/08/1998US5848355 Frequency synthesizer correction using a temperature responsive divisor control
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