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)
03/2003
03/12/2003EP1290469A1 Gps receiver
03/12/2003EP1290463A2 Method and apparatus for compensating local oscillator frequency error
03/12/2003EP1212857B1 Method and device for introducing information into a data stream and a method for encoding an audio signal
03/12/2003EP1145573B1 Communication system with reduced power variation and method therefor
03/12/2003EP1145466A4 Data transmission within a spread-spectrum communication system
03/12/2003EP1067749B1 Memory system for portable telephone
03/12/2003EP1012962B1 Multi-carrier transmitting apparatus and method
03/12/2003EP1010243B1 A dual-band, dual-mode power amplifier
03/12/2003EP0995264B1 Impedance matching circuit for power amplifier
03/12/2003CN1402944A Method for communicating information, receiver, transmitter and system for performing method
03/12/2003CN1402938A TV apparatus for storage broadcasting information display, distributing device, and information distribution method
03/12/2003CN1402927A Method and arrangement for synchronizing receiver to quadrature amplitude modulated signal
03/12/2003CN1402922A Channel estimating method and apparatus thereof
03/12/2003CN1402911A CDMA receiver, and reception method
03/12/2003CN1402842A Radio based proximity token with multiple antennas
03/12/2003CN1402584A Mobile terminal device
03/12/2003CN1402578A Inductance-condensor filter circuit, stacked inductance-condensor composite component, multiplexer and radio communication device
03/12/2003CN1402561A Device for implementing chain group web E1 transmission by-pass, and transmission method
03/12/2003CN1402502A Portable radio set
03/12/2003CN1402498A 折叠式移动无线电通信装置 Foldable portable radio communication apparatus
03/12/2003CN1402459A Apparatus and method for sign mapping transmission format combined indicating sign bit
03/12/2003CN1402457A CDMA receiver, route search method and program
03/12/2003CN1402456A Mobile station device, mobile communication system and carrier detection method
03/12/2003CN1402455A Multiple user testing method based on removal of interference
03/12/2003CN1402454A Simplified multiple user testing method for radio receiver
03/12/2003CN1402440A Frequency transformer for satellite broadcast receiving and satellite broadcast receiving system
03/12/2003CN1402437A Method for implementing increase of radio core network reliability by long-distance backup
03/12/2003CN1402115A 输入装置 Input devices
03/12/2003CN1103175C Telephone calling service operated by testing hand holding state of cellular telephone
03/12/2003CN1103174C Method for extending battery run time of mobile communication terminal
03/12/2003CN1103173C Transmission powder control device capable of varying transmission power at wide rance
03/12/2003CN1103172C Duplex out door base station transceiver subsystem utilizing hybrid system
03/12/2003CN1103170C Transmitter with increased traffic throughtput in digital mobile telecommunication system and method for operating the same
03/12/2003CN1103148C Emitter and receiver for sending and receiving information in spread spectrum signals
03/12/2003CN1103146C Method and device for generating gain control signals
03/12/2003CN1103141C Method and device for encoding information, method and device for decoding information and information transmitting method
03/12/2003CN1103135C Method and device for increasing anti-interference of receiver
03/11/2003US6532446 Server based speech recognition user interface for wireless devices
03/11/2003US6532375 Power-saving mode for portable communication devices
03/11/2003US6532374 Distributed radio telephone for use in a vehicle
03/11/2003US6532370 Cellular handset with adjustable analog to digital conversion
03/11/2003US6532362 Over the air service provisioning (OTASP) method in mobile communication system
03/11/2003US6532359 System and method for remote convenience function control utilizing near isotropic receiving antenna system
03/11/2003US6532358 Overload distortion protection for a wideband receiver
03/11/2003US6532357 Radio communication device and transmission power control method for radio communication device
03/11/2003US6532270 Apparatus and method for broadcast band noise reduction in a transmitter with a low IF frequency
03/11/2003US6532255 Method and arrangement for minimizing the autocorrelation error in the demodulation of a spread-spectrum signal subject to multipath propagation
03/11/2003US6532254 Receiver and receiving method simplifying the interference cancellation of multi-user detection in a direct sequence code division multiple access (DS-CDMA) telecommunication system
03/11/2003US6532253 Spread spectrum systems with trellis-coded modulation
03/11/2003US6532252 Device and method for measuring non-orthogonal noise power for CDMA communication system
03/11/2003US6532251 Data message bit synchronization and local time correction methods and architectures
03/11/2003US6532250 Methods and apparatus for spreading and despreading information signals in code division multiple access communications systems
03/11/2003US6532249 Transmitter of multiple frequency radio communication system
03/11/2003US6532228 Open loop receiver
03/11/2003US6532156 Portable radiotelephone equipped with a connector having ejection mechanism and detection switch
03/11/2003US6531988 Antenna device for high-frequency radio apparatus, high-frequency radio apparatus, and watch-shaped radio apparatus
03/11/2003US6531986 Retractable/extendable antenna for portable radio device
03/11/2003US6531934 Dielectric resonator, dielectric filter, dielectric duplexer, oscillator, and communication device
03/11/2003US6531933 Filter unit having two attenuation poles
03/11/2003US6530121 Hinge unit and hinge structure
03/11/2003CA2343397C Radio frequency identification tag apparatus and related method
03/11/2003CA2188080C Apparatus for controlling the conversion gain of a down converter
03/07/2003CA2357198A1 An adaptive receiver for interference suppression and multipath reception in long-code code-division multiple-access wireless communication systems
03/06/2003WO2003019909A2 Mobile telephone with slidable keypad body
03/06/2003WO2003019844A2 Implementing a physical layer automatic repeat request for a subscriber unit
03/06/2003WO2003019838A1 Method for physical layer automatic repeat request for a base station
03/06/2003WO2003019837A1 Radio transmission system and method and transmission station apparatus and reception station apparatus used in the radio transmission system
03/06/2003WO2003019836A1 Radio communication apparatus and radio communication method
03/06/2003WO2003019832A1 Mobile body communication system, multi-carrier cdma transmission apparatus, and multi-carrier cdma reception apparatus
03/06/2003WO2003019817A1 Physical layer automatic repeat request (arq)
03/06/2003WO2003019813A1 Method and apparatus for combining power control commands received in a wireless communication system
03/06/2003WO2003019812A1 Method for physical layer automatic repeat request for a subscriber unit
03/06/2003WO2003019809A1 Improvements in or relating to frequency-hopping modulators and demodulators
03/06/2003WO2003019808A2 Method and apparatus for w-cdma handoff searching
03/06/2003WO2003019806A1 An automatic switching off device for a mobile phone
03/06/2003WO2003019803A1 Holder for an electronic device
03/06/2003WO2003019802A1 Adaptive filtering method and filter for filtering a radio signal in a mobile radio-communication system
03/06/2003WO2003019801A2 Method for reproducing multimedia files in a terminal
03/06/2003WO2003019800A2 Method and apparatus for conversion of radio frequency (rf) signals using aperiodic mixing signals
03/06/2003WO2003019796A2 Mobile content delivery system
03/06/2003WO2003019781A2 Improved frequency divider with reduced jitter and transmitter based thereon
03/06/2003WO2003019769A2 Transmitter system, especially for cellular telephony
03/06/2003WO2003019532A1 Audio coding with non-uniform filter bank
03/06/2003WO2003019376A1 Base station implementing a physical layer automatic repeat request
03/06/2003WO2002102006A3 Method for whitening colored noise
03/06/2003WO2002089351A9 Reducing mutual channel interference in frequency-hopping spread spectrum wireless communication systems, such as bluetooth systems
03/06/2003WO2002087220A3 System and method for interactive television
03/06/2003WO2002087092A3 Simplified method and apparatus for programming a universal transmitter
03/06/2003WO2002073819B1 Sim card socket and manufacturing method therefor
03/06/2003WO2002073559A3 Tracking device
03/06/2003WO2002069655A3 Power management for subscriber identity module
03/06/2003WO2002067404A8 Wireless communication device and method of switching power supply
03/06/2003WO2002056488A3 Digital interface in radio-frequency apparatus and associated methods
03/06/2003WO2002056487A3 Partitioned radio-frequency apparatus and associated methods
03/06/2003WO2002041504A3 Methods and apparatus for identifying asset location in communication networks
03/06/2003WO2002021681A3 Receiver circuit, especially for mobile radiotelephony
03/06/2003WO2002011382A9 Low power dual protocol transceiver
03/06/2003US20030046699 Digital broadcasting receiver
03/06/2003US20030046696 Broadcast terminal equipment and information supply system
03/06/2003US20030046455 Multi-function module incorporating flash memory and enhanced I/O interface
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