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
03/22/2000EP0986860A2 Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
03/22/2000EP0986859A1 Radio communications device with reference-compensated power down control and methods of operating thereof
03/22/2000EP0986856A1 Communications device
03/22/2000EP0986836A2 Communications device
03/22/2000EP0986835A1 Radio device with moveable antenna
03/22/2000EP0799531B1 Method and apparatus for applying waveform prediction to subbands of a perceptual coding system
03/22/2000EP0776556B1 Synchronous multipoint-to-point cdma communication system
03/22/2000EP0775409A4 Nonlinear digital communications system
03/22/2000EP0746911A4 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms
03/22/2000EP0716773B1 Summing network
03/22/2000CN1248372A Radio apparatus
03/22/2000CN1248362A Rake receiver for direct spreading CDMA transmission
03/22/2000CN1248361A Channel estimation device, and CDMA receiver and CDMA transmitter/receiver having the device
03/22/2000CN1248357A Radio transceiver on chip
03/22/2000CN1248142A Cellular radio telephone set position searching secondary system
03/22/2000CN1248140A Up converter for base station transmitter in radio communication system
03/22/2000CN1248123A Portable information terminal having radio communication system inside
03/22/2000CN1248122A Radio telephone set having keyboard
03/22/2000CN1248115A Base band shaping filter of CDMA spread spectrum radio communication system base station
03/22/2000CN1248111A Mobile communication system with high synchronous tracking precision and wide tracking range
03/22/2000CN1248110A Receiving system for random access channel in CDMA mobile communication system
03/22/2000CN1248109A Transmitting/receiving device and transmitted power control method thereof
03/22/2000CN1248108A Radio communication system and remote control method thereof
03/22/2000CN1248105A Vehicle-mounted device for charge system on toll highway
03/22/2000CN1248104A Transmitting power controller for terminal equipment in mobile communication system
03/22/2000CN1248099A Local oscillator leak cancel circuit
03/22/2000CN1248094A Automatic gain control circuit, method, receiver and recording medium thereof
03/22/2000CN1248074A Dielectric filter, composite dielectric filter, antenna diplexer and communication installation
03/22/2000CN1247734A Physiological napkin
03/22/2000CN1050720C Communication apparatus utilizing high power amplifier
03/21/2000US6041295 Comparing CODEC input/output to adjust psycho-acoustic parameters
03/21/2000US6041280 GPS car navigation system
03/21/2000US6041244 Radio communication apparatus having a plurality of identification codes
03/21/2000US6041243 Personal communications unit
03/21/2000US6041242 Portable emergency response communications system and method
03/21/2000US6041241 Apparatus and method for balancing power savings and call set up time in a wireless communication device
03/21/2000US6041240 Clear channel selection system for a cordless telephone
03/21/2000US6041232 Aggregation of shaped directional receiving antenna array for improved location information
03/21/2000US6041224 DBS tuner for satellite broadcasting receivers
03/21/2000US6041222 Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver
03/21/2000US6041220 Portable radio communication apparatus
03/21/2000US6041219 Integrated orthogonal mode transducer/filter design for microwave frequency-domain
03/21/2000US6041216 Radio communication system for use in tunnels
03/21/2000US6041124 Radio communication system and method and mobile communication terminal device
03/21/2000US6041087 Information receiving system and an information receiving method using such a system
03/21/2000US6041081 CDMA transmitter having a variable gain circuit inserted between a transmitter mixer and a transmitter antenna
03/21/2000US6041075 Scheme for the detection of V.25 ter responses from modem, on a TAP1 voice call
03/21/2000US6041074 Spread spectrum pulse position modulation system
03/21/2000US6041073 Multi-clock matched filter for receiving signals with multipath
03/21/2000US6041046 Cyclic time hopping in time division multiple access communication system
03/21/2000US6041034 Spread spectrum communication system
03/21/2000US6041023 Portable digital radio and compact disk player
03/21/2000US6040829 Personal navigator system
03/21/2000US6040803 Dual band diversity antenna having parasitic radiating element
03/21/2000US6040782 Radio signal receiving apparatus with audio signal receiving and reproducing function
03/21/2000US6040738 Direct conversion receiver using single reference clock signal
03/21/2000US6040728 Active substrate noise injection cancellation
03/21/2000US6039601 Contact spring having an improved electrical contact
03/21/2000CA2127684C Ds/cdma receiver for high-speed fading environment
03/21/2000CA2113467C Radio paging receiver
03/21/2000CA2032647C Interference cancellation system for interference signals having an arbitrary and unknown duration and direction
03/16/2000WO2000014989A1 Random access in a mobile telecommunications system
03/16/2000WO2000014975A2 Device and method for generating quaternary complex quasi-orthogonal code and spreading transmission signal using quasi-orthogonal code in cdma communication system
03/16/2000WO2000014973A2 Device and method for communicating reverse pilot signal in mobile communication system
03/16/2000WO2000014972A2 Afc device and method of controlling reception frequency in a dual-mode terminal
03/16/2000WO2000014921A1 Combined channel coding and space-block coding in a multi-antenna arrangement
03/16/2000WO2000014916A1 A method and apparatus for the reflection and transmission of quasi orthogonal vectors
03/16/2000WO2000014915A2 Method for forming or detecting a signal sequence and transmitter unit and receiver unit
03/16/2000WO2000014912A1 Measuring method for communication device
03/16/2000WO2000014911A1 Spread spectrum multipath combining subsystem and method
03/16/2000WO2000014910A1 Precision timing generator system and method
03/16/2000WO2000014905A1 Transmission method and radio system
03/16/2000WO2000014894A1 System and method for probability based lock detection
03/16/2000WO2000014893A1 User terminal parallel searcher
03/16/2000WO2000014892A1 Spread-spectrum continuous-time analog correlator and method therefor
03/16/2000WO2000014891A1 Method for receiving cdma signals with synchronisation resulting from delayed double multiplication and corresponding receiver
03/16/2000WO2000014889A1 Electronic circuit
03/16/2000WO2000014888A1 Method and device for receiving frequency-modulated signal
03/16/2000WO2000014887A1 Electronic circuit for correcting cross modulation distortion
03/16/2000WO2000014881A1 Method of controlling free-running frequency of voltage-controlled oscillator
03/16/2000WO2000014872A1 Radio receiver equipment
03/16/2000WO2000007157A8 Protective mask communication devices and systems for use in hazardous environments
03/16/2000WO2000002351B1 Method to control a network device in a network comprising several devices
03/16/2000WO1999066724A3 System of apparatus and peripherals
03/16/2000WO1999062189A3 System and method for masking quantization noise of audio signals
03/16/2000WO1999060710A3 Wide frequency range couplers and detectors for power detection in multiple frequency band systems
03/16/2000DE19931369A1 Verfahren und System zum Vermeiden von gestörten Frequenzuntergruppen in einem mit Frequenzsprüngen arbeitenden drahtlosen Telephonsystem A method and system for avoiding disturbed frequency subsets in an operating with frequency hopping wireless telephone system
03/16/2000DE19931244A1 Table implementing method for frequency selection in cordless telephone system uses counters and table arrangement to derive selected frequency
03/16/2000DE19841578A1 Detection method for CDMA coded signals involves iterative detection process, repeating steps until an adequate solution quality is achieved
03/16/2000DE19841298A1 Storing channels in television set by determining length of time channel is received and setting as channel of interest accordingly
03/16/2000DE19841073A1 Batteriepack eines tragbaren Telefons sowie ein solches Batteriepack verwendendes tragbares Telefon Battery pack of a portable telephone and to such battery pack-use portable telephone
03/16/2000DE19840813A1 Control circuit in general purpose remote controller e.g. for television, video cassette recorder
03/16/2000CA2342883A1 Precision timing generator system and method
03/16/2000CA2340695A1 Random access in a mobile telecommunications system
03/15/2000EP0986205A2 Method and apparatus for controlling data transmission according to quality of communication line
03/15/2000EP0986204A1 Method and apparatus for interference rejection
03/15/2000EP0986199A2 Receiver for receiving Digital Audio Broadcast (DAB) programmes
03/15/2000EP0986195A2 Spread spectrum communication method and spread spectrum communication apparatus
03/15/2000EP0986189A1 CDMA signals reception method with parallel interference suppression, and its corresponding stage and receiver
03/15/2000EP0986188A2 Code division multiple access (CDMA) modem
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