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)
12/2000
12/05/2000US6157682 Wideband receiver with bandwidth extension
12/05/2000US6157631 Method and system for generating and using synchronized and unsynchronized spread spectrum signals in a cellular communications system
12/05/2000US6157629 CDMA mobile communication system of automatically changing frequency and method thereof
12/05/2000US6157628 Retransmission control method of CDMA mobile communication
12/05/2000US6157619 Code division multiple access (CDMA) communication system
12/05/2000US6157545 Battery connection apparatus with end projections
12/05/2000US6157319 Universal remote control system with device activated setup
12/05/2000US6157271 Rapid tuning, low distortion digital direct modulation phase locked loop and method therefor
12/05/2000US6157254 Double side band pilot technique for a control system that reduces distortion produced by electrical circuits
12/05/2000US6157230 Method for realizing an improved radio frequency detector for use in a radio frequency identification device, frequency lock loop, timing oscillator, method of constructing a frequency lock loop and method of operating an integrated circuit
12/05/2000US6157092 Method and circuit configuration for voltage supply in electric function units
12/05/2000US6155841 Device for electrically connecting a mobile phone to a keyboard
12/05/2000CA2237616C Integrated microwave terrestrial radio with dovetail attachment
12/05/2000CA2194199C Encoding system and decoding system for audio signals
12/03/2000CA2310508A1 Circuit for dual band tuning
12/02/2000CA2300573A1 Method and apparatus for reducing the ratio of peak to average power in a gaussian signal, including a coma signal
11/2000
11/30/2000WO2000072648A1 Radiating enclosure
11/30/2000WO2000072628A1 Transmitter/receiver comprising bone-conduction speaker
11/30/2000WO2000072615A1 Method and apparatus for scheduling wake-up time in a cdma mobile station
11/30/2000WO2000072608A2 Prioritization and flow control of data packets for a spread spectrum multiuser channel
11/30/2000WO2000072606A2 Facility-wide communication system and method
11/30/2000WO2000072577A1 Portable information terminal
11/30/2000WO2000072496A1 Adaptive joint-detection cdma video transceiver
11/30/2000WO2000072488A1 Digital subscriber's line transmitting method and device
11/30/2000WO2000072461A1 Identification system for monitoring the presence/absence of members of a defined set
11/30/2000WO2000072459A1 Method and apparatus for providing differential multistage detection in the reverse link of a code division multiple access communication system
11/30/2000WO2000072458A1 Cdma reception method and cdma receiver for mobile radiotelephone applications
11/30/2000WO2000072457A1 Antenna interface
11/30/2000WO2000072456A1 Multi-frequency band, multi-mode radio receiver, and associated method, having shared circuit elements
11/30/2000WO2000072455A1 Reception method and receiver for mobile radiotelephone applications
11/30/2000WO2000072454A1 Method for filtering a mobile radiotelephone signal and corresponding mobile radiotelephone receiver
11/30/2000WO2000072424A1 Reception system, battery charging device, portable information terminal, and transmission and reception system
11/30/2000WO2000072280A2 Gps receiver with emergency communication channel
11/30/2000WO2000072276A1 Method for customising a car radio to individual requirements
11/30/2000WO2000072255A1 Identification tag
11/30/2000WO2000071843A2 Method and array for remote access control
11/30/2000WO2000045518A3 Method and apparatus for reducing peak-to-average ratio in a cdma communication system
11/30/2000WO2000036761A3 Random access channel preamble detection
11/30/2000DE19961158A1 Freisprecheinrichtung Handsfree
11/30/2000DE19924156A1 Circuit arrangement for preventing noise in audio signals, especially from induced ambient field, has low impedance connection between audio component housing and signal reference point
11/30/2000DE19918059C1 Transceiver mit bidirektionalen internen Schnittstellenleitungen Transceiver with bidirectional internal interface lines
11/30/2000DE10015608A1 Surface acoustic wave filter apparatus for digital portable telephone has several grating reflectors among which one reflector is shared by pair of adjacent filters
11/30/2000CA2414139A1 Controlling packet data from multiple sources from a spread spectrum communication system
11/30/2000CA2373928A1 Method and apparatus for scheduling wake-up time in a cdma mobile station
11/30/2000CA2371945A1 Antenna interface
11/30/2000CA2371590A1 Identification tag
11/30/2000CA2371348A1 Reception system, battery charging device, portable information terminal, and transmission and reception system
11/30/2000CA2371343A1 Identification system for monitoring the presence/absence of members of a defined set
11/29/2000EP1056291A2 Multifunctional remote control unit for digital television
11/29/2000EP1056260A2 Radio communication device
11/29/2000EP1056249A2 Multicarrier receiver with noise detection and frequency control
11/29/2000EP1056237A2 Diversity detection for WCDMA
11/29/2000EP1056221A2 Integrated receiving system for receiving a plurality of media signals and corresponding signal reception processing method
11/29/2000EP1056220A2 Mobile communication terminal
11/29/2000EP1056217A2 Apparatus for acquiring pseudo noise code and DS-CDMA receiver including the same
11/29/2000EP1056216A2 Audio component system
11/29/2000EP1056215A2 Component selection control system
11/29/2000EP1056214A1 Phase locked loop circuit with low power consumption
11/29/2000EP1056204A1 Tunable RF filter with image trap
11/29/2000EP1056203A1 Method for selection of a tuning frequency
11/29/2000EP1056193A1 Down converter and demodulator using a three port junction
11/29/2000EP1056039A2 Transmitter and receiver
11/29/2000EP1055996A2 Method for updating a linear feedback shift register of code generator
11/29/2000EP1055356A1 Housing
11/29/2000EP1055326A1 Method and apparatus for searching channels
11/29/2000EP1055297A1 Device and method for locating a mobile station in a mobile communication system
11/29/2000EP1055295A1 Method and system for facilitating timing of base stations in an asynchronous cdma mobile communications system
11/29/2000EP1055293A1 Radio receiver that digitizes a received signal at a plurality of digitization frequencies
11/29/2000EP1055291A1 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
11/29/2000EP1055290A2 Spread spectrum transceiver for use in wireless local area network and having multipath mitigation
11/29/2000EP1055289A1 A neural network based method for exponent coding in a transform coder for high quality audio
11/29/2000EP1055288A1 Audio system and audio interface
11/29/2000EP1055287A1 Encoder/decoder with serial concatenated structure in communication system
11/29/2000EP1055283A2 Phase modulating transmitter
11/29/2000EP1055267A1 Downlink broadcasting by sequential transmissions from a communication station having an antenna array
11/29/2000EP1055266A1 Dual band diversity antenna having parasitic radiating element
11/29/2000EP1055265A1 Power antenna apparatus and application thereof to wireless communication system
11/29/2000EP1055191A1 A high gain input stage for a radio frequency identification (rfid) transponder and method therefor
11/29/2000EP1055176A2 Access control system
11/29/2000EP1055167A1 Clustering of task-associated objects for effecting tasks among a system and its environmental devices
11/29/2000EP0732022A4 Method and apparatus for coherent communication reception in a spread-spectrum communication system
11/29/2000EP0709007B1 Method for determining a phase error in a radio-frequency signal, and a receiver
11/29/2000CN1275296A Dual mode mobile telephone
11/29/2000CN1275276A Communication device and method of peak power control
11/29/2000CN1275275A Synchronizing device and synchronizing method
11/29/2000CN1275271A Personal communications apparatus
11/29/2000CN1275270A Low IF receiver
11/29/2000CN1275268A Receiver and method of reception
11/29/2000CN1275267A Base station device and transmission method
11/29/2000CN1275266A Transmitter-receiver, and method for controlling transmission power of the same
11/29/2000CN1275265A Information processing device
11/29/2000CN1275260A Mixer oscillator stage
11/29/2000CN1275043A Method and arrangement for starting extended spectrum radio telephone receiver
11/29/2000CN1275015A Ear microphone
11/29/2000CN1275005A Communication device and method
11/29/2000CN1274999A Detecting method and detecting circuit thereof
11/29/2000CN1274989A Bias circuit and method for multistage power amplifier
11/29/2000CN1059060C Method for tuning receiver and receiver using the same
11/29/2000CN1059058C Integrated circuit and cordless telephone using the integrated circuit
11/28/2000USRE36973 Digitally-corrected temperature-compensated crystal oscillator having a correction-suspend control for communications service
1 ... 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 ... 1886