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)
03/2000
03/09/2000DE19841738A1 Switch socket for electrical installation has antenna coil with magnetic field damped by plug main transponder field whose code is detected by identification unit to control power supply
03/09/2000DE19840853A1 Verfahren und Vorrichtungen zum Codieren eines Audiosignals Methods and apparatus for encoding an audio signal
03/09/2000DE19840383A1 Telecommunications terminal and system for exchange of offers and requests using base station of network operator
03/09/2000CA2341883A1 Feher keying (fk) modulation and transceivers including clock shaping processors
03/09/2000CA2341482A1 Transmitter, receiver and method in a telecommunication system for generating pn sequences for a plurality of user channels
03/09/2000CA2308207A1 Apparatus and method for synchronization acquisition
03/09/2000CA2306626A1 Transmission/reception apparatus and transmit power control method
03/09/2000CA2306509A1 Pn sequence identifying device in cdma communication system
03/08/2000EP0984626A2 Method of acquiring program guide information, program guide method appropriate for the same, and program guide apparatus
03/08/2000EP0984594A2 Demodulated data decision device and method
03/08/2000EP0984590A2 Data bus communication
03/08/2000EP0984581A1 Spread spectrum communication device and spread spectrum communication method
03/08/2000EP0984579A1 Transmitting/receiving device and transmitting/receiving method
03/08/2000EP0984578A1 Comb-like spectrum communication method of complementary series repetition modulation type
03/08/2000EP0984577A2 A code sequence generator apparatus for a CDMA modem
03/08/2000EP0984576A1 Rake receiver for direct spreading cdma transmission
03/08/2000EP0984570A2 Method and apparatus for improving the quality of speech signals transmitted over wireless communication facilities
03/08/2000EP0984568A2 Dual mode satellite/cellular terminal
03/08/2000EP0984563A2 Identification of code offset timings of spread spectrum signals
03/08/2000EP0984562A2 Pilot interpolation synchronous detection in a Rake receiver
03/08/2000EP0984561A2 CDMA Rake receiver detecting timing relation between fingers
03/08/2000EP0984560A2 Remote controllers and methods of selectively setting remote control signals
03/08/2000EP0984559A2 CDMA receiver low current consumption
03/08/2000EP0983701A2 Method and system for avoiding communication failure in cdma systems
03/08/2000EP0983697A1 System and method for customizing wireless communication units
03/08/2000EP0983648A1 Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in cdma communication system
03/08/2000EP0983647A1 Device and method for generating PN sequence in CDMA communication system
03/08/2000EP0983643A1 Synchronization of forward link base station power levels during handoff between base station sectors in a mobile radio communication system
03/08/2000EP0983640A1 Space-weighted communication path estimation
03/08/2000EP0983632A1 Sign-cross product automatic frequency control loop
03/08/2000EP0983569A1 Enhanced identification system
03/08/2000EP0983524A2 Tagging system using motion detector
03/08/2000EP0983241A1 Cyanoguanidines as cell proliferation inhibitors
03/08/2000EP0916195A4 Method and system for improving communication
03/08/2000EP0886921A4 Temperature compensation circuit for a crystal oscillator and method of providing same
03/08/2000EP0861529A4 Multiple user communication system, device and method with overlapping uplink carrier spectra
03/08/2000EP0848887A4 Communication receiver for controlling a receive operation in response to a control value
03/08/2000EP0827646B1 Method and apparatus for conserving power in portable, battery-operated radios
03/08/2000EP0700627B1 Method for realizing ambience listening, and radio unit
03/08/2000EP0667695B1 Radio information and communication system using multicarrier spread-spectrum transmission system
03/08/2000EP0617865B1 Embedded signalling
03/08/2000CN2368225Y Portable unit for carrying pager
03/08/2000CN2368224Y Anti-theft lost-proof cover for mobile telephone set
03/08/2000CN1246992A Transmitter comprising VCO
03/08/2000CN1246989A Communication system, communication device and frequency synthesizer
03/08/2000CN1246964A Radio architecture
03/08/2000CN1246946A Method for identifying plurality of transponders, analysing device and transponders for implementing said method
03/08/2000CN1246774A Device for receiving and transmitting carrier band signal for radio base station
03/08/2000CN1246771A Pulse cascade resource allocation in honeycomb system
03/08/2000CN1246762A Telephone containing automatic calling device
03/08/2000CN1246760A Correlator and delayed phase-locked circuit
03/08/2000CN1246737A Electronic device containing device for charging for batter device
03/08/2000CN1246689A Electronic recognition system and method for checking reliability of source
03/08/2000CN1246621A 腕部仪表和电子设备 Wrist instrument and electronic equipment
03/08/2000CN1050249C Signal transformation switch
03/08/2000CN1050248C Electric saving technology for selective power supply to radio receiver
03/07/2000US6035382 Circuit for receiving a command word for accessing a secure subkey
03/07/2000US6035270 Trained artificial neural networks using an imperfect vocal tract model for assessment of speech signal quality
03/07/2000US6035221 Speaker phone module connectable to either a cellular telephone or battery charger
03/07/2000US6035218 Radio signal repeating apparatus of a code division multiple access communication system
03/07/2000US6035217 One button cellular phone, system, and method for use
03/07/2000US6035216 Device for receiving a SIM card for portable telephone set
03/07/2000US6035213 Dual-mode cellular telephone system
03/07/2000US6035212 Multi-frequency wireless communication device
03/07/2000US6035209 Method and apparatus for performing fast power control in a mobile communication system
03/07/2000US6035186 Integrated receiver
03/07/2000US6035185 Selective RF circuit with varactor tuned bandpass switched bandpass filters
03/07/2000US6035184 Signal processing circuit
03/07/2000US6035182 Single counter dual modulus frequency division apparatus
03/07/2000US6035179 Transmission of voice-frequency signals in a mobile telephone system
03/07/2000US6035035 Wrist mounted telephone device
03/07/2000US6035002 Digital super-regenerative detector RF receiver
03/07/2000US6035001 Method and arrangement in a transmission system
03/07/2000US6035000 Mitigating radio frequency interference in multi-carrier transmission systems
03/07/2000US6034999 Burst signal transmitter capable of producing correct transmission output in initial burst signal
03/07/2000US6034992 High-speed PC modem connection system
03/07/2000US6034990 Digital radio transmission and reception system applying a direct modulation and demodulation method
03/07/2000US6034989 Spread-spectrum communication device
03/07/2000US6034987 System for improving the quality of a received radio signal
03/07/2000US6034986 Method and apparatus for reducing spread spectrum noise
03/07/2000US6034969 Method and system for cross frame transmit combining of transmit signals
03/07/2000US6034966 Control method of data transmission for the multiplexing bus system network and wireless network
03/07/2000US6034802 Wireless communications systems with self threshold setting
03/07/2000US6034640 Antenna device
03/07/2000US6034315 Signal processing apparatus and method and information recording apparatus
03/07/2000US6032337 Spring loaded belt clip assembly for a communication device
03/07/2000CA2166229C Demodulator control system and a receiver capable of quickly acquiring a desired carrier wave
03/07/2000CA2116255C Predistortion technique for communications systems
03/07/2000CA2044817C A method and device for processing an analog signal
03/03/2000CA2279124A1 Method and apparatus for improving the quality of speech signals transmitted over wireless communication facilities
03/03/2000CA2270677A1 Apparatus and method for expanding service area of cdma mobile communication system
03/02/2000WO2000011877A2 Reverse closed loop power control in control hold state for cdma communication system
03/02/2000WO2000011853A1 Circuit and method for recording and reproducing speech and other sounds in digital mobile devices
03/02/2000WO2000011823A1 Stacked-carrier discrete multiple tone communication technology
03/02/2000WO2000011816A1 In-line predistorter for linearization of electronic and optical signals
03/02/2000WO2000011814A1 Digital communication methods with distributed reference symbols
03/02/2000WO2000011807A1 Point to point radio network and method for organising the same
03/02/2000WO2000011802A1 Time offset technique for increasing the capacity of a cdma system
03/02/2000WO2000011801A1 Frequency hopping spread spectrum modulation and direct sequence spread spectrum modulation transceiver
03/02/2000WO2000011800A1 Multi-band, multi-function integrated transceiver
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