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)
01/2006
01/05/2006US20060002456 Method and apparatus for managing modem sample rates on a digital audio interface within a direct access arrangement circuit
01/05/2006US20060002455 Millimeter wave communications system with grid amplifier
01/05/2006US20060002454 System and method for scrambling the phase of the carriers in a multicarrier communications system
01/05/2006US20060002453 Pilot signals for synchronization and/or channel estimation
01/05/2006US20060002452 Pilot use in orthogonal frequency division multiplexing based spread spectrum multiple access systems
01/05/2006US20060002451 Frequency-hopped IFDMA communication system
01/05/2006US20060002348 Method and apparatus for controlling gain level of a supplemental channel in a CDMA communication system
01/05/2006US20060002321 Method and device for decreasing dissipation of power in receiver of digital multimedia broadcasting system
01/05/2006US20060002294 Wideband provisioning
01/05/2006US20060001559 On-chip calibration signal generation for tunable filters for RF communications and associated methods
01/05/2006US20060001483 Power supply processing for power amplifiers
01/05/2006US20060001482 Filter device
01/05/2006US20060001472 Mixer circuit
01/05/2006DE102005025612A1 Tuner Tuner
01/05/2006DE102005001935A1 Lese-Schreib-Verarbeitungsvorrichtung für RFID-Tag Read-write device for processing RFID tag
01/05/2006DE102004029337A1 Plug connector for motor vehicle radio, has low frequency input for inputting low frequency signals, power supply output for outputting supply voltage, and control signal interface for inputting and outputting control signal
01/05/2006DE102004029334A1 Radio für ein Kraftfahrzeug Radio for a motor vehicle
01/04/2006EP1613107A2 A variable sleep mode for mobile stations in a mobile communications network
01/04/2006EP1613064A1 Broadcast receiving apparatus and broadcast receiving method
01/04/2006EP1613040A1 Communication system for limiting the use of a communication apparatus
01/04/2006EP1613027A2 Contact for portable electronic device
01/04/2006EP1613013A1 Method and apparatus for reducing amplitude variations and interference in communication signals employing inserted pilot signals
01/04/2006EP1613012A2 A transceiver using two or more antennas, and a transmitting-receiving method thereof
01/04/2006EP1612997A1 Point-to-point radio communications system for open-pit mining or transshipping place for bulk goods
01/04/2006EP1612993A1 Method and arrangement for changing the operation mode of an agent of a management network
01/04/2006EP1612980A1 Base station device and communication method
01/04/2006EP1612978A1 Channel protection method between boards in wave division multiplex system
01/04/2006EP1612969A1 Shared channel structure, systems and methods
01/04/2006EP1612961A1 Code division multiple access communication system
01/04/2006EP1612960A2 Spread spectrum communication device and method
01/04/2006EP1612959A2 Reduced peak-to-average amplitude multichannel link
01/04/2006EP1612958A1 Correlation value calculation circuit
01/04/2006EP1612957A1 Methods and apparatus for the immediate acceptance and queuing of voice data for PTT communication
01/04/2006EP1612956A1 High frequency radio apparatus
01/04/2006EP1612955A1 Transceiver and receiver
01/04/2006EP1612954A2 Railway vehicle with a transmission path for data and/or commands
01/04/2006EP1612953A2 Antenna unit and electrical connection device thereof and portable device having the same
01/04/2006EP1612952A1 Methods and apparatus for reducing signal interference in a wireless receiver based on signal-to-interference ratio
01/04/2006EP1612951A2 System and method for simplifying analog processing in a transmitter incorporating a randomization circuit
01/04/2006EP1612883A1 Low visual impact monopole tower for wireless communications
01/04/2006EP1612516A1 Output control device, method thereof, program thereof, and recording medium storing the program
01/04/2006EP1611740A1 Technique for simulating film grain on encoded video
01/04/2006EP1611734A1 Dual band superheterodyne radar receiver
01/04/2006EP1611705A2 Internetworking between a first network and a second network
01/04/2006EP1611694A2 Terminal device for a bi-directional radio relay link
01/04/2006EP1611692A2 Electronically tunable rf front end module
01/04/2006EP1611690A1 Device, controller, method and signal for remote control
01/04/2006EP1611689A2 Method and apparatus for compensating dc level in an adaptive radio receiver
01/04/2006EP1611688A2 Tuner for radio frequency receivers and associated method
01/04/2006EP1611637A2 Body-worn personal communications apparatus
01/04/2006EP1611636A1 A device for shielding electronic units including a transmitting/receiving equipment and especially for shielding mobile phones
01/04/2006EP1611567A2 Optical pointing device and method therefor
01/04/2006EP1611414A2 Method and apparatus for system management using codebook correlation with symptom exclusion
01/04/2006EP1532747A4 Access burst detector correlator pool
01/04/2006EP1522162A4 Adaptive channel estimation using continuous pilot signal based on doppler period
01/04/2006EP1433269B1 Communications method, apparatus and computer programs products for channel characterization
01/04/2006EP1413067B1 Apparatus and method for detecting ripples caused by multipath propagation and controlling receiving antenna and tuner
01/04/2006EP1264428B1 Method for recording information that is transmitted via a radio frequency
01/04/2006EP1230755B1 Device for playing back and/or recording using a digital sound carrier and for receiving digital radio broadcast signals
01/04/2006CN2750610Y Hearing aid ear-hook
01/04/2006CN2750575Y Breakdown prevention security device for monitoring end
01/04/2006CN2750574Y 无线输入装置 Wireless input device
01/04/2006CN2750363Y Notebook computer with FM transmission function
01/04/2006CN1717885A Optical wavelength multiplex access system
01/04/2006CN1717876A Apparatus, module and computer program for minimizing correlation between received signals
01/04/2006CN1717875A Radio communication apparatus
01/04/2006CN1717874A Method of inputting character in mobile terminal
01/04/2006CN1717873A Broadcast media bookmarks
01/04/2006CN1717872A Reception device and method for displaying C/N ratio of the reception device
01/04/2006CN1717644A Adaptive current limiter for wireless modem
01/04/2006CN1717594A Multipath mitigation
01/04/2006CN1717145A Electrostatic preventing apparatus of mobile terminal and method thereof
01/04/2006CN1717059A Device and method for synchronization of compressed video signal receiving system
01/04/2006CN1717057A Coding image signal
01/04/2006CN1717042A Method of controlling an image data output, an image processing device, and a portable device
01/04/2006CN1717023A Output control device, method thereof, program thereof, and recording medium storing the program
01/04/2006CN1716990A Mobile communication terminal and method for processing communication function during DMB (digital multimedia broadcasting) output
01/04/2006CN1716989A System and method of upstream signal power cutback
01/04/2006CN1716978A Apparatus and method for controlling speaker volume of push-to-talk (PTT) phone
01/04/2006CN1716974A Method of providing menu effect layer on mobile communication terminal and method of providing menu effect using menu effect layer
01/04/2006CN1716971A Display device of portable terminal
01/04/2006CN1716931A Equalizer capable of adjusting step size and equalization method thereof
01/04/2006CN1716928A Analog baseband processor and method of processing analog baseband for use in multimode communication system
01/04/2006CN1716927A Method and apparatus to control operation of an equalizer
01/04/2006CN1716926A Method and apparatus to automatically control a step size of an LMS type equalizer
01/04/2006CN1716895A Power saving method in wireless LAN system for estimating at terminal station whether or not data destined thereto is buffered in base station
01/04/2006CN1716846A Communication system and communication terminal apparatus
01/04/2006CN1716838A Transceiver using two or more antennas, and a transmitting-receiving method thereof
01/04/2006CN1716836A Read enable generator, read enable signal generating method and data transmission method
01/04/2006CN1716822A Infrared communication method of mobile communication terminal
01/04/2006CN1716815A Broad band receiver of multiple input and multiple output system
01/04/2006CN1716797A Access channel structure for wireless communication system
01/04/2006CN1716796A Method for detecting excited user number in TD-SCDMA system down link
01/04/2006CN1716795A Method for post-treatment of channel estimation valve in TD-SCDMA mobile communication system
01/04/2006CN1716794A Method for evaluating sign
01/04/2006CN1716793A Portable radio terminal, antenna selector control method for use in portable radio terminal
01/04/2006CN1716792A Universal asynchronous receiver/transmitter circuit for mobile telecommunication terminal
01/04/2006CN1716791A Transmit-receiving device and power control circuit and power control method
01/04/2006CN1716790A Antenna unit and electrical connection device thereof and portable device having the same
01/04/2006CN1716789A System and method for realizing high side and low side injection frequency signal filter