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)
11/2004
11/10/2004CN1175589C Device and method for expanding channel data in CDMA system by orthogonal transmitting subset
11/10/2004CN1175588C Information communication system, non-contact IC card and IC chip
11/10/2004CN1175587C Parallel operation of devices using multiple communication standards
11/10/2004CN1175585C Oscillator control
11/10/2004CN1175584C Circuit for implementing multi-stage continuous AGC
11/10/2004CN1175583C Method and circuit arrangement for reducing offset voltage of a signal
11/10/2004CN1175578C Method for updating linear feedback shift register of code generator
11/10/2004CN1175521C Variable capacitance coupling antenna and method for making same and non-contact chip card
11/10/2004CN1175518C Portable receiver
11/10/2004CN1175397C Digital cellular phone with voice recognition function and method for controlling same
11/10/2004CN1174703C Desk comprising integrated reading device
11/09/2004US6816930 Noise reducing method for radio portable terminal
11/09/2004US6816876 Apparatus and method for modifying an M-sequence with arbitrary phase shift
11/09/2004US6816740 Recharge apparatus for holding the rechargeable device
11/09/2004US6816737 Method for retrieving message in mobile telecommunication terminal
11/09/2004US6816718 DC offset correction using dummy amplifier
11/09/2004US6816717 Estimation of signal to interference ratio in a mobile communication system
11/09/2004US6816716 Radio frequency control for communication systems
11/09/2004US6816715 Wideband receiver and channel scanning method
11/09/2004US6816714 Antenna interface unit
11/09/2004US6816712 Radio apparatus
11/09/2004US6816711 GPS equipped mobile phone with single shared antenna
11/09/2004US6816704 Communication method, radio base station apparatus and radio terminal apparatus
11/09/2004US6816543 Spread spectrum communication apparatus and synchronization acquisition method therein
11/09/2004US6816542 Direct sequence CDMA receiver having a delay profile producer with an interpolation function
11/09/2004US6816541 Spread spectrum interference cancellation
11/09/2004US6816540 AFC control apparatus and method in mobile communication system and mobile communication equipment using the apparatus and method
11/09/2004US6816539 Multiple-channel digital receiver for global positioning system
11/09/2004US6816538 Frequency hopping spread spectrum decoder
11/09/2004US6816485 Communications system
11/09/2004US6816476 Reverse closed loop power control in control hold state for CDMA communication system
11/09/2004US6816473 Method for adaptive forward power control for spread-spectrum communications
11/09/2004US6816203 Method and apparatus for isolating noise from a tuner in a television signal receiver
11/09/2004US6816121 Motorized rotatable wireless antenna
11/09/2004US6816070 Method of generating an alert for walkie-talkie when out of communicatable distance
11/09/2004US6816028 Multilayer substrate and satellite broadcast reception apparatus
11/09/2004US6816021 Multiple band local oscillator frequency generation circuit
11/09/2004US6816017 Power amplifier module
11/09/2004US6816006 Method of adjusting the cutoff frequency of an electronic filtering system, and corresponding system
11/09/2004US6814444 Image projection system and a method of controlling a projected pointer
11/09/2004US6814284 Enhancement antenna for article identification
11/09/2004CA2371205C Cell search appratus and method in cdma mobile communication system
11/09/2004CA2281854C Spread spectrum communication method and spread spectrum communication apparatus
11/09/2004CA2245882C Antenna for frequencies in excess of 200 mhz
11/09/2004CA2221860C Timepiece including a receiving and/or transmitting antenna for radio broadcast signals
11/05/2004CA2427892A1 Weatherproof retractable multi-media entertainment center
11/04/2004WO2004095849A2 Communication systems incorporating hts filters and non-linear modulators such as rf-light modulators
11/04/2004WO2004095829A1 Technique for simulating film grain on encoded video
11/04/2004WO2004095809A2 Portable communications device
11/04/2004WO2004095763A2 Transmission canceller for wireless local area network repeater
11/04/2004WO2004095762A2 Apparatus, and associated method, for facilitating dynamic filtering of a receive signal
11/04/2004WO2004095731A1 Reception device
11/04/2004WO2004095727A1 System and method for selecting a communication band
11/04/2004WO2004095726A1 Am receiver and demodulator
11/04/2004WO2004095713A2 Joint symbol, amplitude, and rate estimator
11/04/2004WO2004095689A1 Distortion compensation device and distortion compensation method
11/04/2004WO2004095625A2 Modular rf antenna and filter system for dual radio wlan access points
11/04/2004WO2004095623A1 A frequency-selective device and method thereof for reception/transmission of communication signals in a wireless multi-band device
11/04/2004WO2004095230A2 Optimization software and method for video compression under mpeg
11/04/2004WO2004095197A2 Omnimodal messaging system
11/04/2004WO2004095082A2 Method and apparatus for reducing interference in an optical data stream using data­independent equalization
11/04/2004WO2004095054A2 Method and device for detecting an interference condition
11/04/2004WO2004077606A3 Earphone antenna, composite coil used therefor, coaxial cable, and radio device with the earphone antenna
11/04/2004WO2004042489A3 User-identifier translator and linking apparatus for xml-based services and corresponding method
11/04/2004US20040221241 Method for creating user-customized menu in a portable radio telephone
11/04/2004US20040221207 Proxy response apparatus
11/04/2004US20040221205 System and method for monitoring and reporting events between peripheral device and host system applications
11/04/2004US20040221204 Error message suppression system and method
11/04/2004US20040221202 High level operational support system
11/04/2004US20040221161 Methods and systems for steganographic processing
11/04/2004US20040220766 Method and apparatus for generating an electronic test signal
11/04/2004US20040220245 for example, methyl 4'-[(3,5-dibutyl-1H-1,2,4-triazol-1-yl)methyl][1,1'-biphenyl]-2-carboxylate; for treatment of congestive heart failure
11/04/2004US20040219958 Extended antenna support for a wireless communications device
11/04/2004US20040219957 Folding mobile communications apparatus
11/04/2004US20040219956 Portable radio communication apparatus provided with a boom portion and a part of housing operating as an antenna
11/04/2004US20040219955 Apparatus, system and method for use in powering on a remote wireless device
11/04/2004US20040219951 Program controlled apparatus, system and method for remote data messaging and display over an interactive wireless communications network
11/04/2004US20040219943 Uplink power control using received reference signal
11/04/2004US20040219901 Wireless communications device allowing a soft handoff procedure in a mobile communications system
11/04/2004US20040219900 Wideband monolithic tunable high-Q notch filter for image rejection in RF application
11/04/2004US20040219897 Method and apparatus for ultra wideband wireless communication using channel information
11/04/2004US20040219893 Wireless communication system and communication semiconductor integrated circuit device
11/04/2004US20040219892 Techniques for correcting for phase and amplitude offsets in a mimo radio device
11/04/2004US20040219889 Phase-combined transmitter module and modular transmitter system
11/04/2004US20040219888 Duplexer using surface acoustic wave filters and electronic device equipped with the same
11/04/2004US20040219884 Method and system for measuring receiver mixer IQ mismatch
11/04/2004US20040219880 Multi-IDT SAW hybrid communication system
11/04/2004US20040219328 Laminated soft magnetic member, soft magnetic sheet and production method for laminated soft magnetic member
11/04/2004US20040218758 Case for a folding-type mobile telephone
11/04/2004US20040218753 Hybrid circuit for a broadband modem
11/04/2004US20040218702 Method and apparatus for channel estimation in radio systems by MMSE-based recursive filtering
11/04/2004US20040218700 Digital implementation of multi-channel demodulators
11/04/2004US20040218698 Method and apparatus for soft symbol scaling
11/04/2004US20040218693 Direct conversion delta-sigma receiver
11/04/2004US20040218688 Ultra-wideband communication through a power grid
11/04/2004US20040218687 Ultra-wideband pulse modulation system and method
11/04/2004US20040218686 Wideband digital radio with transmit modulation cancellation
11/04/2004US20040218664 Method for angle of arrival determination on frequency hopping air interfaces
11/04/2004US20040218663 Radio transmission method and radio transmission system
11/04/2004US20040218589 Method and apparatus for the synchronization of multiple cable modem termination system divices