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)
12/2007
12/26/2007CN200997599Y Battery for cell phone
12/26/2007CN200997598Y Built-in double-frequency cell phone antenna
12/26/2007CN200997597Y Standard time transmitting receiver of public telephone net
12/26/2007CN200997596Y Appraising-phase receiver of double-channel zero intermediate frequency orthogonal
12/26/2007CN200997436Y External antenna
12/26/2007CN200997411Y Improved straight-chargeable cell-phone battery structure
12/26/2007CN200997410Y Double-sided and charger time-delayed battery structure
12/26/2007CN101095369A Wrist watch with earphone function
12/26/2007CN101095291A Fine time tracking with improved resolution
12/26/2007CN101095290A Device and method for determining an arrival moment of a reception sequence
12/26/2007CN101095289A Ultra-wide band radio-frequency transmitter and pulse generator
12/26/2007CN101095288A A game supporting apparatus for a mobile communication terminal
12/26/2007CN101095287A Voice service over short message service
12/26/2007CN101095286A An integrated wireless receiver and a wireless receiving method thereof
12/26/2007CN101095285A Direct current offset correction systems and methods
12/26/2007CN101095281A Methods and systems for signal amplification through envelope removal and restoration
12/26/2007CN101095137A 8x8 transform and quantization
12/26/2007CN101095128A Facilitate a non-fully meshed communication gateway interface
12/26/2007CN101094568A Folding type electric equipment and manufacturing method thereof
12/26/2007CN101094526A Method for implementing roaming through code division multiple access digital cluster tradition type group calls
12/26/2007CN101094480A Circuit structure for improving influence on CDMA sensitivity from GSM switch in dual modes handset
12/26/2007CN101094477A Method for implementing starting up progress bar in mobile communication terminal
12/26/2007CN101094473A GSM / CDMA dual modes terminal for improving receiving sensitivity of CDMA, and method
12/26/2007CN101094352A Hierarchical menu graphical user interface
12/26/2007CN101094257A Portable electronic equipment
12/26/2007CN101094256A Foldable cellular telephone
12/26/2007CN101094207A TD-SCDMA data transmission and reception device, and transmission method
12/26/2007CN101094161A Method for synchronizing R2 signaling between MGW and MGC under H.248 architecture
12/26/2007CN101094043A Wireless digital receiving set based on AVS source coding
12/26/2007CN101094042A Wireless digital transmitting set based on AVS source coding
12/26/2007CN101094028A Transmitter, receiver and method of frequency division multiple access system of filter pack with multiple sub bands
12/26/2007CN101094027A Signature sequence of sending structure of implying userí»s control information, transmitting and receiving method
12/26/2007CN101094018A Combined closed loop/open loop power control in a time division duplex communication system
12/26/2007CN101094017A Combined closed loop/open loop power control in a time division duplex communication system
12/26/2007CN101094010A 一种接收机 A receiver
12/26/2007CN101094009A Method and apparatus for correcting signal-to-noise ratio in mobile terminal
12/26/2007CN101094008A Multifunctional decorative piece for handset with structure of mesh, and producing method
12/26/2007CN101094007A Handset capable of carrying out direct communication in close range, and operating method
12/26/2007CN101094006A Dome switch assembly and mobile communication terminal having the same
12/26/2007CN101094005A xDSL networked handheld terminal device
12/26/2007CN101094004A Method for automatic searching FM by handset
12/26/2007CN101094003A System and method for independently adjusting multiple offset compensations applied to a signal
12/26/2007CN101094002A DC offset removal apparatus and DC offset removal method
12/26/2007CN101093960A Minimizing saturation caused by power transfer in a communication system transformer
12/26/2007CN101093908A Antenna of automobile glass
12/26/2007CN101093254A GPS receiver and method for processing GPS signals
12/26/2007CN100358385C Data transmitting and receiving apparatus and method for a digital mobile station
12/26/2007CN100358382C Mobile station and frequency band detection method
12/26/2007CN100358371C System and method for interrupt-free hand-over in a mobile terminal
12/26/2007CN100358347C Electronic apparatus and program for receiving digital television broadcast
12/26/2007CN100358309C Method and arrangement for assigning names to devices in a network
12/26/2007CN100358278C Data transfer control device, electronic instrument, and data transfer control method
12/26/2007CN100358271C AM and digital coexisting broadcasting method and device
12/26/2007CN100358266C Telecommunication device with software components
12/26/2007CN100358251C QAM with quantised power
12/26/2007CN100358249C Mobile content delivery system
12/26/2007CN100358248C System and method for post filtering peak power reduction in communications systems
12/26/2007CN100358247C Reextending circuit and extending method
12/26/2007CN100358246C Digital broadcast reception tuner and receiving device combining the same
12/26/2007CN100358245C 无线电收发信机 Radio transceiver
12/26/2007CN100358244C Wireless transmission change-over system
12/26/2007CN100357902C Data back-up method of plug-in card for business processing unit board
12/25/2007USRE39959 Communication terminal apparatus and control method thereof
12/25/2007USRE39954 Automobile on-board and/or portable telephone system
12/25/2007US7313640 System and method for transmitting bidirectional signals over a cable antenna
12/25/2007US7313423 Communication device with multiple detachable communication modules
12/25/2007US7313422 Electrical devices
12/25/2007US7313421 GPS receiver having RF front end power management and simultaneous baseband searching of frequency and code chip offset
12/25/2007US7313420 Mobile terminal, control device, communication system and communication method with multistate reception control
12/25/2007US7313419 Wireless device battery conservation method and system
12/25/2007US7313418 Portable device
12/25/2007US7313417 Transceiver for a base station with smart antenna and a switched beamforming method in downlink
12/25/2007US7313415 Communications system and method
12/25/2007US7313413 Radio frequency receiving apparatus and method of mobile communication terminal
12/25/2007US7313411 Wireless communication system
12/25/2007US7313410 Mobile phone and battery-releasing device thereof
12/25/2007US7313400 Radio communication device and method thereof
12/25/2007US7313380 Variable resolution A/D converter
12/25/2007US7313379 Generation of a self-correcting local oscillation
12/25/2007US7313378 Tracking automatic gain control
12/25/2007US7313377 System, method, and circuit for dynamic range enhancement in a communication system
12/25/2007US7313376 DC offset correction for a wireless communication system
12/25/2007US7313375 Follow-me broadcast reception method and system
12/25/2007US7313374 Low-latency DC compensation
12/25/2007US7313373 Crest factor reduction for use in a multiband transmitter
12/25/2007US7313372 Stable process induced correction bias circuitry for receivers on single-ended applications
12/25/2007US7313371 Methods and apparatus for reestablishing a data connection with a wireless communication network
12/25/2007US7313370 Intermodulation product cancellation in communications
12/25/2007US7313369 Communication semiconductor integrated circuit and radio communication system
12/25/2007US7313368 Dual band transceiver architecture for wireless communication
12/25/2007US7313367 Switched multiplexer method to combine multiple broadband RF sources
12/25/2007US7313366 Radio communications unit
12/25/2007US7313365 Management of digital wireless connections
12/25/2007US7313361 Dynamic data delivery apparatus and method for same
12/25/2007US7313360 Dynamic data delivery apparatus and method for same
12/25/2007US7313359 Dynamic data delivery apparatus and method for same
12/25/2007US7313253 Methods and tangible objects employing machine readable data in photo-reactive materials
12/25/2007US7313251 Method and system for managing and controlling electronic media
12/25/2007US7313246 Information system using eyewear for communication
12/25/2007US7313244 Circuit and method for eliminating pop noise in digital audio amplifier using dual power supply
1 ... 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 ... 1886