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)
10/2002
10/31/2002US20020159000 Conductive LCD cushion for wireless mobile communication terminal and method for manufacturing the same
10/31/2002US20020158990 Frequency converter
10/31/2002US20020158793 Method for reducing interference in a receiver and an electronic device
10/31/2002US20020158717 Tunable ferro-electric filter
10/31/2002US20020158705 Rf switch
10/31/2002US20020158617 Switching system for plural simmer voltages
10/31/2002US20020158604 Heavy-duty audio equipment
10/31/2002US20020158096 Retaining base for hanging electronic device
10/31/2002DE10208410A1 Vorrichtung und Verfahren für das Kodieren/Dekodieren von TFCI-Bits in einem Asynchronen CDMA Kommunikationssystem Apparatus and method for encoding / decoding of TFCI bits in an asynchronous CDMA communication system
10/31/2002DE10136741A1 Circuit arrangement for regulating d.c. signal component has arrangement for influencing d.c. component connected before detector and with control input connected to comparator output
10/31/2002CA2445312A1 Simplified method and apparatus for programming a universal transmitter
10/30/2002EP1253759A1 Radio transmitter, radio receiver, and multilevel modulation communication system
10/30/2002EP1253756A1 Method of frequency multiplication in a radio communication system
10/30/2002EP1253733A1 Radio transmitting apparatus and radio transmitting method
10/30/2002EP1253727A2 Radio frequency circuit and communications system
10/30/2002EP1253724A1 Removing Doppler shift from a spread-spectrum signal
10/30/2002EP1253723A1 Transmitter/receiver device with re-configurable output combining
10/30/2002EP1253722A2 Radio frequency switch
10/30/2002EP1253721A2 Method for receiving a radio frequency (RF) receiver and RF receiver
10/30/2002EP1253720A1 A method and electronic device for reducing interference in a receiver
10/30/2002EP1253714A2 Radio frequency interface
10/30/2002EP1253713A2 Controlled effective coupling coefficients for film bulk acoustic resonators
10/30/2002EP1253602A1 Heat-insulated signal transmission unit and superconducting signal transmission device
10/30/2002EP1253047A2 Electronic equipment with retractable display
10/30/2002EP1252734A1 Method and device for generating ovsf code words
10/30/2002EP1252728A2 Linear signal separation using polarization diversity
10/30/2002EP1252726A2 Method and apparatus for combined finger management and finger lock for multipath signals in a wireless communication system.
10/30/2002EP1252725A2 Device for carrying out search procedures in a mobile radio receiver
10/30/2002EP1252724A2 Pn generators for spread spectrum communications systems
10/30/2002EP1252723A2 Support of multiuser detection in the downlink
10/30/2002EP1252722A1 Cdma radiocommunication method with access codes and corresponding receiver
10/30/2002EP1252721A1 System for continuous wave rejection
10/30/2002EP1252720A1 Architecture of a base station of a radio communications system
10/30/2002EP1252684A1 Rf receiving antenna system
10/30/2002EP1252599A1 Collision arbitration method and apparatus for reading multiple radio frequency identification tags
10/30/2002EP1123588B1 Radio receiving system and method for operating the same
10/30/2002EP1022677B1 Non-contact ic card without self contained power supply
10/30/2002EP0691052B1 Method and apparatus for encoding multibit coded digital sound through subtracting adaptive dither, inserting buried channel bits and filtering, and encoding apparatus for use with this method
10/30/2002CN2519542Y Responder
10/30/2002CN2519541Y Express way vehicular security receiving-transmitting machine
10/30/2002CN2519540Y Bifrequency antenna
10/30/2002CN2519538Y Communication high frequency indoor wiring module
10/30/2002CN1377546A Device and method for spectral shaping of transmission signal in radio transmitter
10/30/2002CN1377537A Reception level measuring system
10/30/2002CN1377533A Method and device for producing spread coded signals
10/30/2002CN1377532A Apparatus and methods for receiving information using variable length accumulation searchers
10/30/2002CN1377531A Baseband interference cancelling spread spectrum communications methods and apparatus
10/30/2002CN1377530A Adaptive channel estimation in wireless communication system
10/30/2002CN1377527A Apparatus and method for opening cover of mobile phone
10/30/2002CN1377526A System and method for accurately predicting signal to interference and noise ratio to improve communications system performance
10/30/2002CN1377523A Method and arrangement relating to mobile radio systems with possibility of switching channel coding schemes
10/30/2002CN1377520A Artificial ramping of transmit power for burst transmissions
10/30/2002CN1377504A Versatile charge sampling circuits
10/30/2002CN1377466A Piezo-electric tag
10/30/2002CN1377198A Method for regulating signal synchronization in synchronous wireless communication system
10/30/2002CN1377197A Method for regualting signal synchronization in synchronous wireless communication system
10/30/2002CN1377188A Method and apparatus for transferring information about power between radio communication facilities
10/30/2002CN1377185A Digital broadcasting receiving device and control method therefor
10/30/2002CN1377170A Sliding mobile telephone with sliding block
10/30/2002CN1377153A Synchronous tracking device and radio communication terminal
10/30/2002CN1377152A Method for fast searching reverse service dchannel in expected switching procecure
10/30/2002CN1093724C Method of estimating radio channel bit error rate in mobile digital communicaltion system
10/30/2002CN1093722C Test circuit of base station for mobile radio communication system
10/30/2002CN1093707C Rake receiver for reducing hardware consumption and improving search performance
10/30/2002CN1093706C Multiple-band mobile transceiver having smaller number of local oscillators
10/30/2002CN1093705C Method and apparatus for receiving communication signals
10/29/2002US6473792 Method of simulating broadband internet content downloads
10/29/2002US6473731 Audio CODEC with programmable psycho-acoustic parameters
10/29/2002US6473630 Method and apparatus for powering a wireless headset used with a personal electronic device
10/29/2002US6473629 Method of displaying alternating transmitting and receiving phases of voice communication in a mobile phone in a speakerphone mode
10/29/2002US6473610 Wireless prepaid telephone system with dispensable instruments
10/29/2002US6473607 Communication device with a self-calibrating sleep timer
10/29/2002US6473606 Common intermediate frequency broadcast radio front end
10/29/2002US6473605 Noise reduction and range control radio system
10/29/2002US6473604 Audio level matching of different radio input sources
10/29/2002US6473603 System and method for temperature compensation of external antenna units
10/29/2002US6473598 Most cost-effective asmmic-based universal microwave and millimeter wave transceiver
10/29/2002US6473596 Close proximity transmitter interference limiting
10/29/2002US6473595 RF active balun circuit for improving small-signal linearity
10/29/2002US6473474 Wide band alias resolving digitally channelized receiver and a memory for use therewith
10/29/2002US6473471 Slope drift and offset compensation in zero-if receivers
10/29/2002US6473467 Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
10/29/2002US6473454 Rake combiner apparatus using charge transfer element
10/29/2002US6473453 High data rate multiplexed multichannel high frequency broadcast system
10/29/2002US6473452 Method and apparatus for digital correlation
10/29/2002US6473451 Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system
10/29/2002US6473450 Adaptive reference pattern for spread spectrum detection
10/29/2002US6473448 Spread spectrum signal generation method, spread spectrum signal generator, stream encryption method, and stream enciphered codes communication method
10/29/2002US6473417 Method and apparatus for interference cancellation for a high data rate user in a CDMA system
10/29/2002US6473416 Transmission apparatus for CDMA communication system
10/29/2002US6473415 Interference canceling method and apparatus of a multi-mode subtraction type in asynchronous multipath channels of code division multiple access system
10/29/2002US6473412 Uncoordinated frequency hopping cellular system
10/29/2002US6473410 Communication method and apparatus in which first and second control channels operate as an initial acquisition channel and a broadcast channel, respectively
10/29/2002US6473362 Narrowband beamformer using nonlinear oscillators
10/29/2002US6473133 Broadcast transmission system with correction for distortion caused by amplifying and signal conditioning components at a different rate
10/29/2002US6473023 Remote control device for electronic equipment
10/29/2002US6473016 Method and apparatus for implementing automatic gain control in a system
10/29/2002US6472958 Input circuit of satellite tuner
10/29/2002US6472956 Tunable input trap circuit and image trap circuit
10/29/2002US6472954 Controlled effective coupling coefficients for film bulk acoustic resonators
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