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)
03/2005
03/31/2005US20050070332 Demultiplexer and communication device
03/31/2005US20050070331 Signal transmission apparatus and signal transmission method
03/31/2005US20050070325 System and method for digital radio receiver
03/31/2005US20050070318 Efficient frame tracking in mobile receivers
03/31/2005US20050070295 Code tree fragmentation in call admission control
03/31/2005US20050070278 Signaling gateway with multiple IMSI with multiple MSISDN (MIMM) service in a single SIM for multiple roaming partners
03/31/2005US20050070271 Mobile phone companion apparatus to provide voice link with land-line house telephone
03/31/2005US20050070268 Method of testing RF circuit, and arrangement
03/31/2005US20050070267 Apparatus and method for cell selection in high rate packet data systems
03/31/2005US20050070251 Mobile communication terminal, information providing system, program, and computer readable recording medium
03/31/2005US20050070244 Grounded-emitter circuit, and high-frequency receiver and high-frequency transmitter using the same
03/31/2005US20050070242 System and method for frequency translation with harmonic suppression using mixer stages
03/31/2005US20050070240 Receiver device comprising an alternating current coupling
03/31/2005US20050070239 Apparatus and method for digital image correction in a receiver
03/31/2005US20050070238 Method and apparatus for reducing leakage in a direct conversion transmitter
03/31/2005US20050070237 Receiving method and receiver with high-precision signal estimation
03/31/2005US20050070236 Apparatus and method for deriving a digital image correction factor in a receiver
03/31/2005US20050070235 Receiver device having improved selectivity characteristics
03/31/2005US20050070234 Translational loop RF transmitter architecture for GSM radio
03/31/2005US20050070233 Envelope error extraction in if/rf feedback loops
03/31/2005US20050070232 Systems and methods that employ a balanced duplexer
03/31/2005US20050070228 Interference cancellation receiver for high-speed communication systems
03/31/2005US20050070227 Detecting and actuating method of bluetooth devices and a control system thereof
03/31/2005US20050070226 Method and system for wireless communication with an integrated circuit under evaluation
03/31/2005US20050069156 Noise canceling microphone with acoustically tuned ports
03/31/2005US20050069113 Mobile communication terminal and method for searching for country codes
03/31/2005US20050069065 Device and method for measuring a received signal power in a mobile communication system
03/31/2005US20050069063 Broadband interference cancellation
03/31/2005US20050069062 Ultra-wideband correlating receiver
03/31/2005US20050069059 Ultra-wideband correlating receiver
03/31/2005US20050069056 Receiver including an oscillation circuit for generating an image rejection calibration tone
03/31/2005US20050069054 Method and apparatus for providing channel state information
03/31/2005US20050069052 Ultra-wideband receiver
03/31/2005US20050069051 Q-quenching super-regenerative receiver
03/31/2005US20050069050 Frequency based modulator compensation
03/31/2005US20050069047 Receiver and reception method
03/31/2005US20050069044 Apparatus and methods for wireless communication transmission power control that supports physical channel reconfiguration
03/31/2005US20050069032 Analog equalizer
03/31/2005US20050069027 Transmitter
03/31/2005US20050069026 Method and apparatus to compensate AM-PM delay mismatch in envelope restoration transmitter
03/31/2005US20050069025 Receiver for spread spectrum communication
03/31/2005US20050069024 Rake-based CDMA receivers for multiple receiver antennas
03/31/2005US20050069023 Method and apparatus for combining weight computation in a DS-CDMA rake receiver
03/31/2005US20050069022 Interference management for soft handoff and broadcast services in a wireless frequency hopping communication system
03/31/2005US20050069021 Ultra-wideband communication apparatus and methods
03/31/2005US20050069020 Ultra-wideband communication apparatus and methods
03/31/2005US20050069019 Spread spectrum clock generator
03/31/2005US20050068990 Method of aligning physical channels for uplink transmission
03/31/2005US20050068977 Apparatus and method for servicing both wide area broadcasting and local area broadcasting in a digital multimedia broadcasting system and terminal for receiving the broadcast
03/31/2005US20050068932 Ultra-wideband communication system and methods
03/31/2005US20050068704 Receiver apparatus and satellite broadcast reception system therewith
03/31/2005US20050068457 Image shooting apparatus
03/31/2005US20050068323 Alphabetic character inputting device and method for recognizing inputted characters
03/31/2005US20050068223 Analogue regenerative transponders including regenerative transponder systems
03/31/2005US20050068157 Arrangement and method for setting a transmit power
03/31/2005US20050068111 Communication semiconductor integrated circuit device and a wireless communication system
03/31/2005US20050068074 Communication semiconductor integrated circuit device and a wireless communication system
03/31/2005DE19818020B4 Signalkomprimierungsschaltung Signal compression circuit
03/31/2005DE10340808A1 Verfahren zum Betrieb und eine Schaltungsanordnung eines Leistungsverstärkers in einem Mobilfunkendgerät A method of operating and a circuit arrangement of a power amplifier in a mobile radio terminal
03/31/2005DE10337444A1 Device for simultaneous transmission of two mobile RF signals e.g. for mobile RF equipment of third generation, has device for matching power output stage at input and/or output over wide frequency range
03/31/2005DE10333447A1 Receiver e.g. for quadrature amplitude modulation, includes device for determining reference magnitude in the form of reference magnitude and/or reference phase from digitalized input signal
03/31/2005DE10245560B4 Verfahren zum Betreiben eines ersten Kurzstreckenfunksende-/-funkempfangsgeräts gemäß einem Kurzstreckenfunkkommunikationsstandard A method of operating a first short-range radio - / - radio receiving apparatus according to a short-range wireless communication standard
03/31/2005CA2543395A1 Integration of wireless and external computing devices
03/31/2005CA2539226A1 Connection system, base part and adapter part for connecting mobile radio terminals
03/30/2005EP1519615A2 Wireless communication apparatus for selecting an access method and corresponding wireless communication method
03/30/2005EP1519584A2 Operation at mobile terminal when communicating with remote camera
03/30/2005EP1519544A2 Sliding-type portable wireless terminal and method for controlling sliding movement in in the same
03/30/2005EP1519543A1 Cell phone
03/30/2005EP1519528A2 Apparatus for cancellation of dc offset in time division duplexing mode direct conversion receiver
03/30/2005EP1519503A2 Portable radio telephone device and control method for same
03/30/2005EP1519497A1 Transmitting apparatus and communication mode selection table updating method
03/30/2005EP1519494A2 CDMA multipath reception
03/30/2005EP1519493A1 Receiver
03/30/2005EP1519492A1 Radio receiver for reception with multiple antennae
03/30/2005EP1519485A1 Demultiplexer and communications device
03/30/2005EP1519481A1 Agc circuit
03/30/2005EP1518430A1 Radio module
03/30/2005EP1518399A1 Information display system
03/30/2005EP1518388A1 Signaling and routing protocols for an integrated cellular and relaying system
03/30/2005EP1518377A2 Training using overhead data in a wireless communications network
03/30/2005EP1518341A1 Method of self-calibration in a wireless transmitter
03/30/2005EP1518339A1 Method for return link synchronisation in an orthogonal cdma satellite system
03/30/2005EP1518332A1 Circuit arrangement for a mobile telephone
03/30/2005EP1518330A1 Filters for combined radiotelephone/gps terminals
03/30/2005EP1518329A1 Blind cancellation of cross-modulation by addition of modulated signal
03/30/2005EP1518326A1 Method for iterative decoder scheduling
03/30/2005EP1518297A1 Automatic transmit power control disabling
03/30/2005EP1464046B1 Scalable coder and decoder for a scaled data stream
03/30/2005EP1461871B1 Method for detecting the quantization of spectra
03/30/2005EP1323281A4 Apparatus and method for enhancing low-frequency operation of mobile communication antennas
03/30/2005EP1302070B1 Method and system for enabling channel set up in a television signal receiver
03/30/2005EP1104600A4 Method and apparatus for communicating signals of various channel types in cdma communication systems
03/30/2005EP1080568B1 Method and apparatus for limiting the amplitude of a transmission signal
03/30/2005EP1067703B1 Radio communication apparatus used in CDMA communication system and power consumption control method therefor
03/30/2005EP0958653B1 Transmit signal generation with the aid of a receiver
03/30/2005EP0923843B1 Interface system for providing hands-free operation of a radiotelephone and communication to accessories in a mobile office environment
03/30/2005EP0920743B1 Symbol-matched filter having a low silicon and power requirement
03/30/2005EP0875097B1 Method and arrangement of signal tracking and a rake-receiver utilizing said arrangement
03/30/2005EP0781475B1 Dual-mode satellite/cellular phone with a frequency synthesizer
03/30/2005CN2689602Y Adjusable knob structure of radio
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