| 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) |
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| 05/20/2009 | DE112007001764T5 Vorrichtung und Verfahren zur Kalibrierung eines Verstärkungs- und/oder Phasenungleichgewichtes und/oder eines DC-Offsets in einem Kommunikationssystem Apparatus and method for calibrating a gain and / or phase imbalance and / or a DC offset in a communications system |
| 05/20/2009 | DE102008052927A1 Senderanordnung Transmitter assembly |
| 05/20/2009 | DE102008048750A1 Fahrzeug-Bordkommunikationsgerät On-vehicle communication device |
| 05/20/2009 | DE102008036641A1 Dualband-Empfänger Dual-band receiver |
| 05/20/2009 | DE102007054820A1 Vehicle multimedia device i.e. car radio or vehicle navigation system, for use in e.g. home region, has network interface for connecting mass storage with vehicle-external network for supplying multimedia contents |
| 05/20/2009 | DE102007051792A1 Radio-frequency identification transponder has resonant circuit for supplying clock pulse with pre-determined clock frequency, and self calibration stage for calibration of actual clock frequency |
| 05/20/2009 | DE102006005284B4 Verfahren zur Signalsuche bei einem Mehrkanalfunkempfänger in einer Umgebung mit Störsignalen A method of signal search in a multi-channel radio receiver in an environment with noise |
| 05/20/2009 | DE102004027667B4 Nachbarkanal-Unterdrückungs-Vorrichtung, Empfangsgerät und Verfahren zum Betrieb eines Empfangsgeräts Adjacent channel suppression means, receiving apparatus and method of operating a receiving device |
| 05/20/2009 | CN201243435Y Shielding cover for circuit board |
| 05/20/2009 | CN201243384Y 移动终端 The mobile terminal |
| 05/20/2009 | CN201243342Y 手机报警器 Phone alarm |
| 05/20/2009 | CN201243296Y Wideband intelligent antenna system |
| 05/20/2009 | CN201243292Y Digital frequency selection optical fiber station |
| 05/20/2009 | CN201243285Y Synchronous judgment device for bidirectional transmission of TDD system |
| 05/20/2009 | CN201243283Y Double-mode wireless straightly-amplifying station with adjustable bandwidth |
| 05/20/2009 | CN201243280Y Automatic switchover protection device for telephone two-channel |
| 05/20/2009 | CN201243279Y Circuit for restraining second harmonics radiation of CDMA wireless terminal |
| 05/20/2009 | CN201243278Y Low noise signal amplifier for mobile phone radio built-in antenna |
| 05/20/2009 | CN201243277Y Access case |
| 05/20/2009 | CN201243276Y Wireless communication terminal and inserted antenna thereof |
| 05/20/2009 | CN201243086Y Broad-band aerial for integrated circuit |
| 05/20/2009 | CN201242792Y Door bell receiver and door bell |
| 05/20/2009 | CN101438536A Interference suppression method and interference suppression device |
| 05/20/2009 | CN101438505A High frequency circuit, high frequency part, and communication device |
| 05/20/2009 | CN101438504A Method and apparatus for delivering energy to an electrical or electronic device via a wireless link |
| 05/20/2009 | CN101438503A Ultrawideband CMOS transceiver |
| 05/20/2009 | CN101438502A System for transmitting two-way radio communications via computer networks |
| 05/20/2009 | CN101438219A Random number generator in a battery pack |
| 05/20/2009 | CN101437319A Integration apparatus for micro base station |
| 05/20/2009 | CN101437272A Method, apparatus, system for transmitting HPB and method for guiding terminal switch |
| 05/20/2009 | CN101437246A Apparatus for united collection of base station energy consumption data |
| 05/20/2009 | CN101437242A Method and apparatus for confirming base station district identification code of communications terminal |
| 05/20/2009 | CN101437239A Real time sensor signal network transmission method based on linear prediction filtering |
| 05/20/2009 | CN101437081A Mobile phone backup power equipment |
| 05/20/2009 | CN101437065A Audio signal processing apparatus, audio signal processing method, and communication terminal |
| 05/20/2009 | CN101437057A Mobile communication equipment and shell structure thereof |
| 05/20/2009 | CN101437056A Mobile terminal with built-in antenna and battery backshell fixed structure thereof |
| 05/20/2009 | CN101436896A IQ data transmission method of radio frequency zooming unit |
| 05/20/2009 | CN101436893A Beam size enlargement apparatus and method for restraining interference of intelligent antenna |
| 05/20/2009 | CN101436885A Wireless transmission system and power detection method thereof |
| 05/20/2009 | CN101436879A Method for extracting interfering signal amplitude with environmental noise |
| 05/20/2009 | CN101436878A Detection method for empty frame of GSM system |
| 05/20/2009 | CN101436877A Method for capturing multi-path interference resistant PN code self-adapting threshold |
| 05/20/2009 | CN101436876A Method and system for cancellation of test signal |
| 05/20/2009 | CN101436875A Mobile communication equipment |
| 05/20/2009 | CN101436874A Multiuser ultra-wideband radio communication system, apparatus and method based on fractal modulation |
| 05/20/2009 | CN101436873A Apparatus for generating millimeter wave ultra-wideband pulse based on double-electrode modulator |
| 05/20/2009 | CN101436872A Cradle for a portable terminal |
| 05/20/2009 | CN101436871A Hdmi network control of a media center computing device |
| 05/20/2009 | CN101436870A Microwave low-waveband ultra-minitype auto-gain control heterodyne type acceptance die set |
| 05/20/2009 | CN101436869A Equivalent radio frequency belt defect wave filter circuit, radio frequency chip and receiver |
| 05/20/2009 | CN101436868A Digital baseband system for compensating for analog radio transmitter impairments |
| 05/20/2009 | CN101436867A High frequency electronic component |
| 05/20/2009 | CN101436866A High frequency electronic component |
| 05/20/2009 | CN100490469C Vibration motor drive of mobile communication terminal apparatus and its method |
| 05/20/2009 | CN100490463C Alarming generation device and method for portable terminal based on local time |
| 05/20/2009 | CN100490461C Mobile communication terminal with press-key type cell fixing device |
| 05/20/2009 | CN100490460C Slide-cover opening-closing device of portable terminal |
| 05/20/2009 | CN100490459C Device for fixing camera of mobile telephone |
| 05/20/2009 | CN100490458C Folding portable radio set and base plate of said redio set |
| 05/20/2009 | CN100490455C Apparatus and method for setting waiting picture and ringing signal of mobile terminal |
| 05/20/2009 | CN100490432C Digital baseband modulator and demodulator |
| 05/20/2009 | CN100490370C Device and method for automatic safe receiving cipher key of chaos enciphering communication |
| 05/20/2009 | CN100490365C TD-SCDMA channel estimation method |
| 05/20/2009 | CN100490360C Method and apparatus for receiving data on a first frequency band and observing a second frequency band |
| 05/20/2009 | CN100490353C Shared channel structure, ARQ systems and methods |
| 05/20/2009 | CN100490350C Radio communication system |
| 05/20/2009 | CN100490347C Radio information device with controllable transmitting power position level |
| 05/20/2009 | CN100490344C Interactive backup device master-sbave switching method and system |
| 05/20/2009 | CN100490343C A method and device for realizing switching between main and backup units in communication equipment |
| 05/20/2009 | CN100490341C Mobile terminal signal line-sharing equipment and method |
| 05/20/2009 | CN100490340C A circuit framework capable of supplying stable pulse |
| 05/20/2009 | CN100490339C Portable apparatus and its operation method |
| 05/20/2009 | CN100490338C Mobile communication terminal with drawable camera |
| 05/20/2009 | CN100490337C Roller switch module for mobile terminal |
| 05/20/2009 | CN100490336C Temperature compensater of mobile terminal, its structure and method |
| 05/20/2009 | CN100490335C Improved apparatus and method for operating communication station in a radio communication system |
| 05/20/2009 | CN100490306C Amplifier circuit for AM broadcasting |
| 05/20/2009 | CN100490304C Additive DC component detection included in an input burst signal |
| 05/20/2009 | CN100490247C Mobile telephone comprising a multi-band antenna |
| 05/20/2009 | CN100489910C Method and device for locking cheated electronic weighing scale |
| 05/20/2009 | CN100489909C Remote control method |
| 05/20/2009 | CN100489889C RFID tag with bridge circuit assembly and methods of use |
| 05/20/2009 | CN100489763C Method and apparatus for adaptively storing program guide data |
| 05/20/2009 | CN100489761C Interactive voice reproduction |
| 05/19/2009 | US7536579 Skew-correcting apparatus using iterative approach |
| 05/19/2009 | US7536555 Methods for audio watermarking and decoding |
| 05/19/2009 | US7536212 Communication system using short range radio communication headset |
| 05/19/2009 | US7536209 Wireless access point software system |
| 05/19/2009 | US7536208 Low power interference signal code power (ISCP) measurement |
| 05/19/2009 | US7536207 Mobile terminal having round external speaker |
| 05/19/2009 | US7536206 Expedited communication key system and method |
| 05/19/2009 | US7536203 Portable memory device and method |
| 05/19/2009 | US7536202 Wireless network device with a signal detection function and switching method for the same |
| 05/19/2009 | US7536198 System and method for multiple input multiple output wireless transmission |
| 05/19/2009 | US7536189 System and method for sending broadcasts in a social network |
| 05/19/2009 | US7536180 Push to talk (PTT) service method |
| 05/19/2009 | US7536178 Caller information providing apparatus and transmitting method in mobile communication network |
| 05/19/2009 | US7536172 Test enabled application execution |
| 05/19/2009 | US7536167 Network supporting roaming, sleeping terminals |