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)
11/2003
11/12/2003EP1360521A1 A method of despreading gps signals
11/12/2003EP1228575B1 Apparatus and method of implementing a universal home network on a customer premises isdn bus
11/12/2003EP1187731B1 Rf transponder comprising a power-on reset circuit and a method of controlling operation of a transponder of such kind
11/12/2003EP1181775B1 Method for selection of a receiver tuning frequency
11/12/2003EP1142144B1 Circuit for a multi-standard communications terminal
11/12/2003EP1002316B1 Model and command set for an av/c-based disc player/recorder subunit
11/12/2003EP0986835B1 Radio device with moveable antenna
11/12/2003EP0965085B1 Personal computer and personal computer add-on card
11/12/2003EP0681375B1 Communication apparatus
11/12/2003CN2586310Y Controlling case of communicating device
11/12/2003CN2586302Y Rechargeable radio receiver
11/12/2003CN2586301Y Three-in-one special cabinet of wideband data
11/12/2003CN1456002A Connectionless broadcast signalling
11/12/2003CN1455998A Apparatus and method for adapting radio receiver using control functions
11/12/2003CN1455988A Hand-set holder capable of charging
11/12/2003CN1455984A CMOS power amplifier with reduced harmonics and improved efficiency
11/12/2003CN1455971A Wireless terminal with multiple antennas
11/12/2003CN1455876A A method of despreading GPS signals
11/12/2003CN1455603A Blue-tooth wirelessmobile communication system
11/12/2003CN1455546A Network apparatus power supply method and power source device
11/12/2003CN1455522A Back-up system and method for mobile terminal data network
11/12/2003CN1455521A Method of conducting protocol calling and data processing on main backup module
11/12/2003CN1455520A Two-dimensional spread-spectrum communication method
11/12/2003CN1455518A Frequency setting method and its apparatus
11/12/2003CN1455473A Self-adaptive beam-formation apparatus and method
11/12/2003CN1127873C Battery-operated communications device
11/12/2003CN1127841C Synchronous time-division multiplexing two-way radio communication system
11/12/2003CN1127826C Mobile radio wave receiver with adaptive automatic gain control
11/12/2003CN1127823C Method and apparatus for reducing peak-to-average power ratio of composite carrier signal
11/12/2003CN1127821C Time-duplex wireless telephone with improved hearing-aid compatibility
11/12/2003CN1127812C Compensation for phase errors caused by clock jitter in CDMA communication system
11/12/2003CN1127811C Inner circuit for match mode selection for multiple code RF integrated circuit
11/12/2003CN1127810C Cellular telephone
11/12/2003CN1127809C Impedance-matching device
11/12/2003CN1127808C Method and apparatus for saving current while performing signal strength measurements in homodyne receiver
11/12/2003CN1127807C Improvements in or relating to radio receivers
11/12/2003CN1127806C Burst transmission output power controller capable of lowering phase error
11/11/2003US6647368 Sensor pair for detecting changes within a human ear and producing a signal corresponding to thought, movement, biological function and/or speech
11/11/2003US6647274 Radio telephone with initial delay before performing a predetermined function
11/11/2003US6647270 Vehicletalk
11/11/2003US6647254 Computer peripheral device with the functions of a radio, a microphone, and a mouse
11/11/2003US6647253 High gain intermediate frequency input circuit with satisfactory trap characteristics
11/11/2003US6647252 Adaptive threshold algorithm for real-time wavelet de-noising applications
11/11/2003US6647251 Radio receiver, in particular a vehicle radio receiver
11/11/2003US6647247 Method for producing transmission frequency
11/11/2003US6647130 Printable interfaces and digital linking with embedded codes
11/11/2003US6647129 Method and system for encoding image and audio content
11/11/2003US6647128 Method for monitoring internet dissemination of image, video, and/or audio files
11/11/2003US6647115 Method and apparatus for an improved analog echo canceller
11/11/2003US6647077 Multipath parameter estimation in spread-spectrum communications systems
11/11/2003US6647072 Transmitting circuit improving SN ratio in low output power and CN ratio in low to intermediate output power
11/11/2003US6647067 Method and device for reducing crosstalk interference
11/11/2003US6647056 Correlation circuit for spread spectrum communication, demodulation circuit and reception apparatus
11/11/2003US6647055 Adaptive channel estimation using continuous pilot signal based on doppler period
11/11/2003US6647054 Multiple mask arrangement for jumping in pseudo-noise sequences
11/11/2003US6647053 Method and system for channel masking in a communication network
11/11/2003US6647052 Advanced spread spectrum clock generation technique for EMI reduction of multiple clock sources
11/11/2003US6647051 Zero delay mask for galois LFSR
11/11/2003US6647022 Interference canceller
11/11/2003US6647003 Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit
11/11/2003US6646957 Telephone watch including a SIM card in its housing
11/11/2003US6646873 Personal digital assistant for connecting with a communtcations module
11/11/2003US6646607 Antenna system, transceiver, electrical equipment, and computer terminal
11/11/2003US6646595 Scalable, reconfigurable GPS receiver
11/11/2003US6646579 Method and device for generating OVSF code words
11/11/2003US6646497 Filter apparatus
11/11/2003US6646489 Device for switching radio frequency signals
11/11/2003US6646482 Variable drive current driver circuit
11/11/2003US6646449 Intermodulation detector for a radio receiver
11/11/2003US6644045 Oil free screw expander-compressor
11/11/2003CA2319325C Vhf/uhf self-tuning planar antenna system
11/11/2003CA2318104C Network switch with panic mode
11/11/2003CA2271555C Remote control for cable television delivery system
11/11/2003CA2206311C Multiple access digital transmitter/receiver and method
11/06/2003WO2003092307A1 Automatic signal error user display and user guided recovery in a digital television signal receiver
11/06/2003WO2003092270A1 Direct channel entry for tuner and satellite or cable receiver both enabled from a menu offering visual feedback
11/06/2003WO2003092246A2 Method and device for transforming an analogue radiotelephone from analogue operating mode into digital mode and vice versa
11/06/2003WO2003092236A1 Flexible correlation and queueing in cdma communication systems
11/06/2003WO2003092235A1 Method and apparatus for reducing peak to average power ratio of a multi-carrier signal
11/06/2003WO2003092183A2 Transceiver device
11/06/2003WO2003092182A1 Wireless communication rf circuit and communication apparatus including the same
11/06/2003WO2003092181A1 Mobile communication device
11/06/2003WO2003092180A1 Direct conversion receiver
11/06/2003WO2003092179A1 Digital radio receiver
11/06/2003WO2003092178A1 Dynamic noise floors in a wireless device
11/06/2003WO2003092177A1 Radio receiver
11/06/2003WO2003092176A1 Cellular telephone and pda carrying system
11/06/2003WO2003092175A2 Multiplexing variable-rate data with data services
11/06/2003WO2003092171A2 Processing method and apparatus for implementing systolic arrays
11/06/2003WO2003092161A1 Tuning apparatus
11/06/2003WO2003092160A1 Tuner input filter with electronically adjustable response for adapting to antenna characteristic
11/06/2003WO2003092159A1 Tuner input filter with electronically adjustable center frequency for adapting to antenna characteristic
11/06/2003WO2003092152A1 Dc removal techniques for wireless networking
11/06/2003WO2003091938A1 Method of inventorizing a plurality of data carriers
11/06/2003WO2003065610A3 Buffer-based gps and cdma pilot searcher
11/06/2003WO2003064145A3 Elastomeric enclosure
11/06/2003WO2003034599A3 System for improved power savings during full dtx mode of operation in the downlink
11/06/2003WO2003021807A3 Systems and techniques for power control
11/06/2003WO2003019808A3 Method and apparatus for w-cdma handoff searching
11/06/2003WO2003017527A3 Power control for a channel with multiple formats in a communication system
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