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
03/27/2003US20030058155 Method and apparatus to determine the direction to a transponder in a modulated backscatter communication system
03/27/2003US20030058063 Multilayered band separator with grounding parasitic capacitor
03/27/2003US20030058052 Phase locked loop fast power up methods and apparatus
03/27/2003US20030058040 Pop sound reduction circuit and voice output amplification device
03/27/2003US20030058037 Radio apparatus carrying out automatic gain control and gain control method
03/27/2003US20030057044 Expandable case
03/27/2003CA2460957A1 Method & apparatus for step two w-cdma searching
03/27/2003CA2460581A1 Allocation of bit streams for communication over multi-carrier frequency-division multiplexing (fdm)
03/26/2003EP1296474A1 Receiving device and receiving method
03/26/2003EP1296473A1 Rate self-adaptive channel estimation method and the installation
03/26/2003EP1296462A1 Radio reception apparatus and radio reception method
03/26/2003EP1296461A2 CDMA despreading using QPSK rotated PN sequences
03/26/2003EP1296460A1 Method and apparatus for determining the fading coefficients of a multipath transmission channel connecting in particular a base station and a mobile telephone
03/26/2003EP1296459A1 Method of channel coding in a radio communication system
03/26/2003EP1296458A1 Five-port receiver with passive isolation
03/26/2003EP1296456A2 Radio frequency tuner front end and tuner
03/26/2003EP1296446A1 Balanced Mixer using bipolar Transistors
03/26/2003EP1296407A1 Portable radio unit
03/26/2003EP1295501A1 Frame header for a data communication channel
03/26/2003EP1295472A1 Method for receiving and displaying thematic audio-visual programme sequences, and receiver therefor
03/26/2003EP1295420A1 Master/slave synchronisation method in a bluetooth system
03/26/2003EP1295405A1 Ultra wide bandwidth spread-spectrum communications method and system
03/26/2003EP1295404A2 Wireless transceiver with subtractive filter compensating both transmit and receive artifacts
03/26/2003EP1295402A2 Arrangement for operating various terminal devices
03/26/2003EP1295391A1 Self-adaptive frequency band-pass filtering device in microwave signal transceiver
03/26/2003EP1294589A1 An electromagnetic radiation alerting device for use with a cellular telephone
03/26/2003EP1264427A4 Method and apparatus for minimizing a probability of self-interference among neighboring wireless networks
03/26/2003EP1155536B1 Interface between baseband device and rf transceiver
03/26/2003EP1153317B1 Method of interrogating a radio frequency identification device
03/26/2003EP1125372B1 Motion estimator for a cdma mobile station
03/26/2003EP0935836B1 Portable electronic device and method
03/26/2003CN2542002Y Fixed radio communicating station
03/26/2003CN1406447A Communication terminal device, base station device and communication method
03/26/2003CN1406446A Defining measurement gaps in inter-frequency measurement
03/26/2003CN1406445A Transmitter/receiver system, mobile transmitter/receiver apparatus communication management apparatus, broadcasting station carrier receiver apparatus, and method of attempting
03/26/2003CN1406428A Architecture for cordless telephone
03/26/2003CN1406427A Radio transmitter, radio receiver, and multilever modulation communication system
03/26/2003CN1406426A Transmitter
03/26/2003CN1406421A A modulation scheme for FDD/TDD transceivers
03/26/2003CN1406419A Cell search controller and cell search control method
03/26/2003CN1406416A A novel low costlcow power analog transceiver architecture
03/26/2003CN1406388A Electronic apparatus
03/26/2003CN1406096A Method for reducing current consumption of mobile communication terminals
03/26/2003CN1406040A Mobile telephone set
03/26/2003CN1406039A Apparatus and method for charging from one mobile apparatus to an other mobile apparatus
03/26/2003CN1406028A 通信系统和电子装置 Communication systems and electronic devices
03/26/2003CN1406013A Over-zone switchover method in CDMA communication system and system thereof
03/26/2003CN1406011A Method for obtaining partial interference-bucking value in interference-bucking receiver
03/26/2003CN1406010A Method for management and treatment of resource in mobile wireless system
03/26/2003CN1406009A Efficient multiple-use code matching wave filter for wide-band CDMA
03/26/2003CN1405994A Transmission agreement special for TP-S satellite channel
03/26/2003CN1405989A Communication apparatus for vehicles
03/26/2003CN1405988A Rural electric circuit synchronous-transmission wide-narrow band digital information switch-in network system
03/26/2003CN1405987A Single-double-path modulation and demodulation method, and singl-double-path modem thereof
03/26/2003CN1405985A Master-spare converting control circuit and method for realizing it
03/26/2003CN1405983A Portable radio apparatus capable of receiving multiple wave-band signals
03/26/2003CN1405681A System and method for developing custom-made identification of integrated testing and network peripheral equipment
03/26/2003CN1405576A Gps接收机模块 Gps receiver module
03/26/2003CN1104172C Receiving apparatus and method, and terminal unit used together with radio system
03/26/2003CN1104153C Method and system for reducing power operation of cellular mobile terminals
03/26/2003CN1104150C Information receiving apparatus
03/26/2003CN1104117C Base station transceiver for FH/CDMA system
03/26/2003CN1104116C Spread-spectrum signal receiving method and spread-spectrum signal receiving apparatus
03/26/2003CN1104115C Receiving equipment, receiving method and terminal unit used with radio system
03/26/2003CN1104114C Terminal unit for use with radio system and searching method
03/26/2003CN1104113C Method and device for detecting additional information signal and controller for recording information signal
03/26/2003CN1104109C Portable terminal equipment
03/26/2003CN1104101C Transmitting and receiving for radio signal
03/26/2003CN1104100C Method and apparatus for operable or unoperable connecting portable radio station and vehicle tool box
03/26/2003CN1104099C Receiving apparatus with intermitlent receiving
03/26/2003CN1104098C Method and apparatus for reducing standby current in communication equipment
03/26/2003CN1104097C Receiver with suppressed intermodulation distortion and method for operating the same
03/26/2003CN1104096C Radio receiving apparatus
03/26/2003CN1104095C Code division multiple access transmitter and receiver
03/25/2003US6539548 Operations center for a television program packaging and delivery system
03/25/2003US6539242 Efficient detection of general paging messages in poor signal to noise environments
03/25/2003US6539235 Channel leakage power monitor apparatus and method
03/25/2003US6539233 Call control method in mobile communication and system therefor
03/25/2003US6539218 Message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method
03/25/2003US6539216 Microwave frequency converting receiver
03/25/2003US6539215 Down converter and demodulator using a three port junction
03/25/2003US6539214 Method of estimating the signal to noise ratio of a digital signal received by a radiocommunications receiver
03/25/2003US6539213 System and method for impulse radio power control
03/25/2003US6539212 Radio broadcasting service, a transmitter and a receiver for use in such a system, a radio broadcasting method and a radio broadcasting signal, in which a data signal accompanying a program signal includes data of a data service and information pertaining to the data service
03/25/2003US6539207 Component for a wireless communications equipment card
03/25/2003US6539204 Analog active cancellation of a wireless coupled transmit signal
03/25/2003US6539202 Interference canceling device
03/25/2003US6539095 Audio watermarking to convey auxiliary control information, and media embodying same
03/25/2003US6539069 Dynamic filtering of pilot energy samples in a wireless communication system
03/25/2003US6539068 Receiver of wideband digital signal in the presence of a narrow band interfering signal
03/25/2003US6539066 Integrable radio receiver circuit for frequency-modulated digital signals
03/25/2003US6539065 Digital audio broadcasting receiver
03/25/2003US6539052 System for accelerating the reconfiguration of a transceiver and method therefor
03/25/2003US6539049 Device and method for maintaining time synchronous with a network master time
03/25/2003US6539048 Ring matched filter for synchronizing to a spreading code
03/25/2003US6539047 Initial acquisition and frame synchronization in spread spectrum communication system
03/25/2003US6539032 Methods for synchronizing between a base station and a mobile station in a cell-based mobile communications system
03/25/2003US6539009 Signal reception apparatus for DS-CDMA cellular system
03/25/2003US6539008 Method for inserting power control bits in the CDMA mobile system
03/25/2003US6539006 Mobile station capable of determining base station suitability
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