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)
12/1998
12/30/1998EP0886921A1 Temperature compensation circuit for a crystal oscillator and method of providing same
12/30/1998EP0886916A2 Method and system for determining the integrity of a received signal
12/30/1998EP0886893A1 Antenna connector device for a handheld mobile phone
12/30/1998EP0676097B1 Method and apparatus for signal processing using reference signals
12/30/1998CN1203724A Activity control for mobile station in wireless communication system
12/30/1998CN1203710A Transmitter-receiver circuit for radio communication and semiconductor integrated circuit device
12/30/1998CN1203709A Shielding device
12/30/1998CN1203486A Method and device for detecting additional information signal and controller for recording information signal
12/30/1998CN1203485A Device and method for controlling frequency characteristic of filter
12/30/1998CN1203463A Glass antenna system with impedance matching network
12/30/1998CN1041480C Arrangement for duplex transmission
12/30/1998CA2241020A1 Apparatus with reduced a/d dynamic range requirement in a compensating feedback system
12/30/1998CA2241010A1 Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system
12/30/1998CA2235064A1 Digital demodulator
12/29/1998US5854986 Cellular communication system having device coupling distribution of antennas to plurality of transceivers
12/29/1998US5854974 Compensated ring mixers
12/29/1998US5854973 Radio receivers
12/29/1998US5854972 Circuit for adjusting transmit power
12/29/1998US5854971 Output-controlled power amplifier, radio communication terminal and radio communication base station
12/29/1998US5854970 Accessory RF unit for hand-held wireless telephone systems
12/29/1998US5854969 Stereo apparatus that includes a master unit and a slave unit
12/29/1998US5854815 Code phase signal multipath compensation
12/29/1998US5854814 Digital transmission system with improved decoder in the receiver
12/29/1998US5854811 Circuit and method for compensating for nonlinear distortion of input signal
12/29/1998US5854611 In a wireless communication system
12/29/1998US5854595 Communications apparatus and method with a computer interchangeable integrated circuit card
12/29/1998US5854571 Method and apparatus for controlling a peak envelope power of a power amplifier
12/29/1998US5854480 Tag with IC capacitively coupled to antenna
12/29/1998CA2127539C Method and apparatus of controlling processing devices during power transition
12/29/1998CA2098284C Multi-dimensional data processing and display
12/23/1998WO1998058506A1 System and method for customizing wireless communication units
12/23/1998WO1998058460A1 Apparatus and method for calibration of sleep mode clock in wireless communications mobile station
12/23/1998WO1998058457A2 Reduced peak-to-average amplitude multichannel link
12/23/1998WO1998058456A2 Cdma communication system which selectively allocates bandwidth upon demand
12/23/1998WO1998058455A1 Transceiver stage for a mobile telecommunications unit
12/23/1998WO1998058453A1 Apparatus and method for shut down of wireless communications mobile station with multiple clocks
12/23/1998WO1998058451A2 Digital communication device
12/23/1998WO1998058447A1 Transceiver stage for a mobile telecommunications unit
12/23/1998WO1998058422A1 Dual band antenna for mobile communications
12/23/1998WO1998058421A1 A housing assembly for a portable radio that communicates within a satellite communication system
12/23/1998WO1998057824A1 Device for installing a mobile telephone in a motor vehicle
12/23/1998WO1998043400A3 Radio receiver
12/23/1998EP0886411A2 Method and apparatus for device interaction by protocol
12/23/1998EP0886400A2 Communication method and communication system
12/23/1998EP0886390A2 Method and system for compact multi-user serial interference cancellation with simplified generation of spread code sequence
12/23/1998EP0886386A2 Matched filter and method of phase synchronization in a receiver
12/23/1998EP0886385A2 Reception apparatus for CDMA communication system
12/23/1998EP0886384A2 Single-stage dual-band low-noise amplifier for use in a wireless communication system receiver
12/23/1998EP0886383A1 Broadcast system for tourist sites
12/23/1998EP0886376A1 Command protocol for circuits used for receiving microwave signals and device implementing the protocol
12/23/1998EP0886373A1 Gain control for a CDMA receiver
12/23/1998EP0885514A1 Casing for a cordless telephone, and assembly of a casing with a cordless telephone
12/23/1998EP0885510A1 Method and apparatus for routing a digitized rf signal to a plurality of paths
12/23/1998EP0885500A1 A method and an arrangement for receiving a symbol sequence
12/23/1998EP0885496A2 Method for calculating impulse response, and receiver
12/23/1998EP0885492A1 An improved gps receiver utilizing a communication link
12/23/1998EP0885491A1 A method and device for monitoring a mobile telephone repeater
12/23/1998EP0885490A2 Automatic channel switching for jamming avoidance in burst-mode packet data wireless communication networks
12/23/1998EP0885489A1 Dual antenna arrangement for portable transceiver
12/23/1998EP0885485A1 Antenna arrangement
12/23/1998EP0847559A4 Methods and systems for designing and making signal-processor circuits with internal companding, and the resulting circuits
12/23/1998EP0767995A4 Method and apparatus for signal acquisition and channel estimation using multiple antennas
12/23/1998CN2301813Y Traffic information receiver
12/23/1998CN2301794Y Self-charging cell for mobile telephone
12/23/1998CN1202993A Method for controlling a receiver and a receiver
12/23/1998CN1202746A Antenna source for transmitting and receiving microwaves
12/23/1998CN1202654A Concentrated control system of electronic equipment
12/23/1998CN1041372C Realizing method for code conversion and recovery system of household radio recorder
12/22/1998US5852806 Switched filterbank for use in audio signal coding
12/22/1998US5852805 MPEG audio decoder for detecting and correcting irregular patterns
12/22/1998US5852784 Multiband mobile unit communication apparatus
12/22/1998US5852783 Information tools with multi-functional information key
12/22/1998US5852772 Receiver IF system with active filters
12/22/1998US5852730 Hybrid instruction set for versatile digital signal processing system
12/22/1998US5852636 Method of and apparatus for modulation of FSK carrier in a very narrow band
12/22/1998US5852604 Modularly clustered radiotelephone system
12/22/1998US5852603 Transceiver with switchable frequency band and bandwidth
12/22/1998US5852567 Iterative time-frequency domain transform method for filtering time-varying, nonstationary wide band signals in noise
12/22/1998US5852422 Switched retractable, extendable, dual antennas for portable radio
12/22/1998US5852421 Dual-band antenna coupler for a portable radiotelephone
12/22/1998US5852409 Telemetry
12/22/1998US5852401 For informing a rescue side of a fact of a disaster
12/22/1998US5851691 Battery size adaptor for portable apparatus
12/22/1998US5850954 Holder assembly for cellular phones
12/22/1998US5850915 Water-resistant portable receiver case
12/22/1998CA2122735C Oscillator frequency divide-down transmit offset scheme for reducing self-quieting
12/22/1998CA2120057C Time division duplex transceiver
12/22/1998CA2118719C Data transfer method and apparatus having dual frequency operation
12/17/1998WO1998057497A1 Method of controlling reception in data broadcast receiver
12/17/1998WO1998057477A1 New bracelet telephone device
12/17/1998WO1998057469A1 Receiver for independent sideband signals
12/17/1998WO1998057467A1 Method and apparatus for band-adaptive demodulation
12/17/1998WO1998057456A1 Multiple computer data channels, video, audio, and/or telephone signals in a single transmission medium
12/17/1998WO1998057454A1 Data scrambling system and method and communications system incorporating same
12/17/1998WO1998057453A1 Synchronizer and method therefor and communications system incorporating same
12/17/1998WO1998057452A1 Method and apparatus for canceling signals in a spread-spectrum communication system
12/17/1998WO1998057437A1 Frame waveform mutual correction data signal demodulation method
12/17/1998WO1998057436A2 Source coding enhancement using spectral-band replication
12/17/1998WO1998057434A1 Car radio with a dismountable operating and telephone unit
12/17/1998WO1998057383A1 Housing with a battery compartment closure
1 ... 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 ... 1886