Patents
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)
03/2000
03/29/2000EP0989686A2 CDMA base station apparatus and code assignment method
03/29/2000EP0989685A2 CDMA rake receiver
03/29/2000EP0989684A2 Flexible pouch for portable communications apparatus
03/29/2000EP0989683A2 Mobile phone with SIM card reader
03/29/2000EP0989682A1 Mobile telephone transceiver
03/29/2000EP0989413A1 Radio wave receiving apparatus having an improved antenna resolution
03/29/2000EP0988726A1 Synchronizer and method therefor and communications system incorporating same
03/29/2000EP0988725A1 Data scrambling system and method and communications system incorporating same
03/29/2000EP0988724A1 Method and apparatus for canceling signals in a spread-spectrum communication system
03/29/2000EP0988723A1 Apparatus and method for transmitting and receiving a signal
03/29/2000EP0988713A1 Method and apparatus for conserving energy in a radio communication system
03/29/2000EP0988710A2 A delay estimation method and a receiver
03/29/2000EP0988709A2 Method and apparatus for embedding auxiliary data in a primary data signal
03/29/2000EP0988708A1 Car radio with a dismountable operating and telephone unit
03/29/2000EP0988707A2 Receiver with a clock signal generator
03/29/2000EP0988706A1 Reception method and receiver
03/29/2000EP0872022B1 Pcmcia rf connector
03/29/2000EP0683960B1 Local communication system and station for use in such a system
03/29/2000CN2371739Y Cell base capable of changing cell for mobile telephone
03/29/2000CN1249114A Microphone attachment for electrically connecting the microphone and audio circuit of a flip-type radio phone with a mechanical contact device
03/29/2000CN1249090A Method and arrangement for despreading coded sequence in communication system
03/29/2000CN1249089A Radio apparatus with adjustable reception quality
03/29/2000CN1249087A Selective call device and method for battery saving during information services
03/29/2000CN1249086A Orthogonal code synchronization system and method for spread spectrum CDMA communications
03/29/2000CN1249071A High impedance type high frequency antenna
03/29/2000CN1248877A Radio selective paging receiver capable of raising operable property
03/29/2000CN1248873A Telephone calling service operated by testing hand holding state of cellular telephone
03/29/2000CN1248850A Portable telephone
03/29/2000CN1248825A Extended frequency spectrum receiver with multi-window for preventing wrong correction while calling
03/29/2000CN1248824A Audio signal coding device and method, decoding device and method
03/29/2000CN1050956C Data separation processing device in a digital television system
03/29/2000CN1050950C Radio communication apparatus which can quickly recover from misjudgement of levels of a multilevel modulated signal
03/29/2000CN1050949C Waterproof type communication unit casing
03/29/2000CN1050948C Combined communication method and apparatus
03/28/2000US6044282 Dual clock power conservation system and method for timing synchronous communications
03/28/2000US6044281 Cordless telephone set having charging terminal configured for holding handset
03/28/2000US6044276 Method and apparatus in a messaging system for limiting an interval of carrier cancellation
03/28/2000US6044262 Wireless device with automatic auto-response setting function
03/28/2000US6044257 Panic button phone
03/28/2000US6044255 Radio frequency circuit with integrated elements and method of manufacture
03/28/2000US6044254 Receiving circuit
03/28/2000US6044251 TV/FM receiver for multimedia applications
03/28/2000US6044153 Hand adaptive telephone
03/28/2000US6044119 Frequency control method and circuit employing both reference symbols and information symbols
03/28/2000US6044111 Equalizer with a sequence estimation method with state reduction for a receiver in a digital transmission system
03/28/2000US6044106 Receiving method and apparatus in which a demodulating status is determined and a noise power is detected
03/28/2000US6044105 Doppler corrected spread spectrum matched filter
03/28/2000US6044104 Cell search method and mobile station apparatus
03/28/2000US6044074 Rapid signal acquisition and synchronization for access transmissions
03/28/2000US6044073 Methods of and devices for enhancing communications that use spread spectrum technology by using variable power techniques
03/28/2000US6043989 Static electricity removing structure for portable electronic devices
03/28/2000US6043789 Satellite broadcast receiving converter
03/28/2000US6043780 Antenna adapter
03/28/2000US6043626 Auxiliary battery holder with multicharger functionality
03/28/2000US6041924 Water-resistant portable receiver case
03/28/2000CA2012917C Methods and apparatus for transparent tone-in-band transmitter, receiver and system processing
03/24/2000CA2282774A1 Cdma base station apparatus and code assignment method
03/23/2000WO2000016570A1 Electrostatic radio frequency identification system having contactless programmability
03/23/2000WO2000016556A1 Home entertainment system with plural devices
03/23/2000WO2000016549A1 Method for storage of a channel for a consumer electronics appliance
03/23/2000WO2000016531A1 A method and system for electronic communication
03/23/2000WO2000016508A1 Wireless spread-spectrum data network and interface between fixed positions
03/23/2000WO2000016505A1 Wireless communications system with broadcasting transmitter
03/23/2000WO2000016495A1 Method and device for detecting cdma-coded signals
03/23/2000WO2000016494A1 Rake receiver
03/23/2000WO2000016493A1 Moldable transceiver for use with apparel
03/23/2000WO2000016492A1 A single-chip cmos direct-conversion transceiver
03/23/2000WO2000016491A1 Method for transmitting and receiving address information within a communication system
03/23/2000WO2000016433A2 Communication device and method in mobile communication system
03/23/2000WO2000016286A1 Radio frequency identification tag apparatus and related method
03/23/2000WO2000016120A1 Device for receiving signals from satellite radio-navigation systems
03/23/2000WO2000016119A1 Method for increasing interference immunity when receiving signals from satellite navigation systems and device for realising the same
03/23/2000WO2000015150A1 An apparatus and method for performing a signal search in a coherent wireless communication system
03/23/2000WO1999066648A9 Wireless phone-line interface
03/23/2000WO1999046863A3 Method of performing antenna diversity in a spread spectrum wireless local area network
03/23/2000DE19942669A1 Transceiver, e.g. videophone has sensor detecting power output stage temperature, to cut vision signals in favor of speech alone, should incipient overheating threaten
03/23/2000DE19935146A1 Kontaktloses Kommunikationssystem Contactless communication system
03/23/2000DE19842706A1 Multi-band aerial switch for multi-band mobile radio telephone
03/23/2000DE19841316A1 Changeover switch for loud speaking telephone conversation via mobile telephone in car with integrated amplifier
03/23/2000DE19838782A1 Sender, Empfänger und Verfahren in einem Telekommunikationssystem zum Erzeugen von PN-Sequenzen für eine Vielzahl von Benutzerkanälen Transmitter, receiver and method in a telecommunication system to generate PN sequences for a plurality of user channels,
03/23/2000DE19824218C1 Multipfad-Ausbreitungsverzögerungs-Bestimmungsvorrichtung unter Verwendung von periodisch eingefügten Pilotsymbolen Multipath propagation delay determining means using pilot symbols periodically inserted
03/23/2000CA2343365A1 Electrostatic radio frequency identification system having contactless programmability
03/23/2000CA2310827A1 Moldable transceiver for use with apparel
03/22/2000EP0987913A2 Spread spectrum cdma transmitter
03/22/2000EP0987855A2 Method and apparatus for encoding audio with auxiliary digital data
03/22/2000EP0987834A2 Diversity transmission/reception apparatus and transmit power control method
03/22/2000EP0987829A2 Method and apparatus for excision of narrow band interference signal from CDMA signal
03/22/2000EP0987828A2 Spread spectrum rake receiver
03/22/2000EP0987827A2 Audio signal encoding method without transmission of bit allocation information
03/22/2000EP0987826A2 Radio transceiver switching circuit
03/22/2000EP0987825A1 Radio transmitter/receiver, high-frequency radio receiver, and control unit
03/22/2000EP0987824A2 Radio receiver using digital signal processing for reception and demodulation of wireless transmissions
03/22/2000EP0987819A2 Automatic gain control circuit, receiving apparatus incorporating said circuit, automatic gain control method adaptable to receiving apparatus and recording medium
03/22/2000EP0987817A1 Method and apparatus for improving efficiency of high-power linear amplifier
03/22/2000EP0987783A2 Battery powered portable heavy duty audio equipment
03/22/2000EP0987647A2 Storage device and method, information processing apparatus and method, and provision medium therefor
03/22/2000EP0986883A1 Method and apparatus for band-adaptive demodulation
03/22/2000EP0986882A1 Time variable adaptation method and data receiver
03/22/2000EP0986866A1 Channel communication device and method for cdma communication system
03/22/2000EP0986862A2 Transmit power control in a radio communication system