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)
10/2000
10/24/2000US6137825 Communication system, transmitter and receiver
10/24/2000US6137824 Method for estimating signal and noise quality, and a receiver
10/24/2000US6137808 Receiver for receiving text-based multiplex broadcasts
10/24/2000US6137788 CDMA demodulating apparatus
10/24/2000US6137786 CDMA communication system and method
10/24/2000US6137773 Method and apparatus for CDMA code domain parameter estimation
10/24/2000US6137546 Auto program feature for a television receiver
10/24/2000US6137545 Reception mode control in radio receivers for receiving both VSB and QAM digital television signals
10/24/2000US6137525 Personal data communication apparatus
10/24/2000US6137445 Antenna apparatus for mobile terminal
10/24/2000US6137433 Scatterometer with adaptable spatial resolution
10/24/2000US6137357 Method for adjusting power of transmitter, and control arrangement
10/24/2000US6137050 Method for manufacturing a housing part with a screening effect for radio communication equipment
10/24/2000CA2193842C Spread-spectrum changeable base station
10/24/2000CA2162926C Pseudorandom noise ranging receiver which compensates for multipath distortion by making use of multiple correlator time delay spacing
10/24/2000CA2124882C Interface protocol method and apparatus for use in a frequency hopping radio system
10/19/2000WO2000062591A1 Device for cooling an electric module and a technical appliance
10/19/2000WO2000062468A2 Flexible radio link control protocol
10/19/2000WO2000062456A1 Apparatus and method for gated transmission in a cdma communication system
10/19/2000WO2000062448A1 Method of transmitting information via a telecommunication system and corresponding telecommunication system
10/19/2000WO2000062440A2 Method for controlling transmission power
10/19/2000WO2000062438A1 Uncoordinated frequency hopping cellular system
10/19/2000WO2000062437A1 Method and system for detecting in-band jammers in a spread spectrum wireless base station
10/19/2000WO2000062435A1 Method for controlling gated transmission of dedicated channel in w-cdma communication system
10/19/2000WO2000062433A1 Frequency synthesis system for a mobile telephone dual-band transceiver
10/19/2000WO2000062432A1 Personal communication terminal with a slot antenna
10/19/2000WO2000062431A1 Mobile telephone with wireless earphone/microphone
10/19/2000WO2000062430A1 Dual mode power controllers and related methods and radiotelephones
10/19/2000WO2000062291A1 System for protection against copying on magnetic tape recorders
10/19/2000WO2000062281A1 Signal noise reduction by time-domain spectral subtraction
10/19/2000WO2000043805A3 System for radio frequency identification
10/19/2000WO2000043803A3 Method of detecting a radio frequency identification device
10/19/2000WO2000035124A3 Dual antenna system
10/19/2000WO2000031866A3 Temperature self-compensating filter for high frequency transceivers
10/19/2000WO2000027040A9 Method and apparatus for reduction of fm interference for fm in-band on-channel digital audio broadcasting system
10/19/2000DE19917207A1 Emergency call installation for cars, transmits emergency call to rescue station on accident detection by car sensor
10/19/2000DE19916744A1 Einbaugerät Built-in device
10/19/2000DE19713473C2 Mehrstufen-Relaisanordnung Multi-stage relay assembly
10/19/2000CA2303719A1 Volume control for an alert generator
10/18/2000EP1045541A2 Multiresolution transmission and error correction coding with multicarrier signals
10/18/2000EP1045538A1 Multicarrier communication device and multicarrier communication method
10/18/2000EP1045529A1 A method for improving performances of a mobile radiocommunication system using a power control algorithm
10/18/2000EP1045527A1 Communication system and apparatus with transmission power control
10/18/2000EP1045526A1 Method of identifying overlapping tags
10/18/2000EP1045525A2 Send/receive communication by delayed audio packets
10/18/2000EP1045524A1 Low power radio receiver
10/18/2000EP1045523A2 Mounting device for a car radio
10/18/2000EP1045472A2 Radiotelephone system with antenna array for vehicles
10/18/2000EP1045442A2 Semiconductor integrated circuit
10/18/2000EP1045336A1 Close-coupled method of operation of an electromagnetic transpondersystem
10/18/2000EP1044578A2 Process for operating a telecommunication terminal, telecommunication terminal and radio module
10/18/2000EP1044572A1 Method and arrangement in radio communication networks
10/18/2000EP1044532A1 Intelligent packet retransmission scheme
10/18/2000EP1044527A2 Communication control device and method for cdma communication system
10/18/2000EP1044526A1 Concatenated codes for spread spectrum communication
10/18/2000EP1044514A1 Radio communication system
10/18/2000EP1044512A1 A system and method for synchronizing acquisition for a code modulated communication system
10/18/2000EP1044511A1 Mobile radio communication device with antenna capable of taking up different positions
10/18/2000EP1044510A1 Receiver power consumption reduction
10/18/2000EP1044509A2 Transmitter of multiple frequency radio communication system
10/18/2000EP1044425A1 Data carrier with means for reducing the power consumption upon reception of data
10/18/2000EP1044400A1 Internet-based service for updating a programmable control device
10/18/2000EP0820686B1 Compact transponder and method for making same
10/18/2000EP0740865B1 Process and receiver for finding the receivability of radio signals in a radio system
10/18/2000CN2402062Y Electromagnetic interference-resistance shield for mobile telephone
10/18/2000CN2402061Y Multi-language synchronous transmitter
10/18/2000CN1270721A Method of and apparatus for transmitting data in a multiple carrier system
10/18/2000CN1270717A Mobile station assisted timing synchronization in a CDMA communication system
10/18/2000CN1270715A Apparatus and method for radio communication
10/18/2000CN1270714A Frame structure for cellular telephone
10/18/2000CN1270700A Multi-channel digital receiver for GPS
10/18/2000CN1270482A Radio communication apparatus and method for reducing power consumption by controlling A/D converters
10/18/2000CN1270481A Method for improving performance of mobile radio communication system by using power control algorithms
10/18/2000CN1270468A Cellular telephone for accepting handwritten characters from back side
10/18/2000CN1270451A Radio
10/18/2000CN1270450A Switching between electronic equipments in use
10/18/2000CN1057650C Data transmission method and system
10/17/2000US6134521 Method and apparatus for mitigating audio degradation in a communication system
10/17/2000US6134456 Integrated mobile-phone handsfree kit combining with vehicular stereo loudspeakers
10/17/2000US6134452 Multiple band mixer with common local oscillator
10/17/2000US6134430 Programmable dynamic range receiver with adjustable dynamic range analog to digital converter
10/17/2000US6134429 Direct digital down conversion of a 10.8 MHz intermediate frequency signal in the personal handy phone system
10/17/2000US6134428 Wrist mounted communicator
10/17/2000US6134427 Using a single low-noise amplifier in a multi-band wireless station
10/17/2000US6134426 Radio receiver
10/17/2000US6134425 Digital module RF section
10/17/2000US6134424 High-frequency power amplifier and mobile communication device using same
10/17/2000US6134421 RF coupler for wireless telephone cradle
10/17/2000US6134282 Method for lowpass filter calibration in a satellite receiver
10/17/2000US6134280 Delayed decision feedback sequence estimator for determining optimal estimation region with small calculation quantity
10/17/2000US6134278 Methods and apparatus for CDMA rate detection
10/17/2000US6134267 Detection method for the transmitter identification information signal in the null symbol of a DAB stream
10/17/2000US6134264 Spread spectrum communication device and communication system
10/17/2000US6134263 Method for using spreading code sequency to achieve high bit densities in a direct-sequence spread spectrum communication system
10/17/2000US6134262 Spread spectrum receiving apparatus
10/17/2000US6134260 Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers
10/17/2000US6134222 Multiple U channel ISDN communications interface
10/17/2000US6134215 Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel
10/17/2000US6134121 Housing assembly utilizing a heat shrinkable composite laminate
10/17/2000US6133937 Compatible transmission and reception of operational signals to be processed by a receiver
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