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)
09/2002
09/24/2002US6456958 Method for allowing a user access to an electronic device having improved security
09/24/2002US6456859 Method of delivering a telephone number associated with a telephone subscription, and telephone sets and mobile telephones implementing the method
09/24/2002US6456856 Mobile radio equipment forming antenna pattern to project user from radiation
09/24/2002US6456837 Ruggedized tradesworkers radio
09/24/2002US6456836 Frequency multiplier and wireless device incorporating same
09/24/2002US6456833 Method for noise reduction in the reception of RF FM signals
09/24/2002US6456832 Antenna circuit
09/24/2002US6456831 Amplitude change time activated phase locked controller in a selective call receiver
09/24/2002US6456822 Electronic device and method for blocking cellular communication
09/24/2002US6456719 Compressed audio error concealment apparatus and method
09/24/2002US6456673 Digital radio frequency interference canceller
09/24/2002US6456668 QPSK modulated backscatter system
09/24/2002US6456657 Frequency division multiplexed transmission of sub-band signals
09/24/2002US6456648 Code tracking loop with automatic power normalization
09/24/2002US6456646 Methods and systems for detecting codewords with intersymbol interference and imperfect timing
09/24/2002US6456645 Digital wireless audio transmission system
09/24/2002US6456644 Bandpass correlation of a spread spectrum signal
09/24/2002US6456612 Device and method for generating short PN code in a mobile communication system
09/24/2002US6456609 Code division multiple access mobile communication system
09/24/2002US6456608 Adaptive vector correlator using weighting signals for spread-spectrum communications
09/24/2002US6456487 Enclosure for wireless communication device
09/24/2002US6456248 Antenna device and portable wireless communication apparatus
09/24/2002US6456228 Encapsulated antenna in passive transponders
09/24/2002US6456221 Method and apparatus for signal detection in ultra wide-band communications
09/24/2002US6456216 Method and apparatus for generating pulses from analog waveforms
09/24/2002US6455979 Surface acoustic wave component which can be interrogated by radio and has an optimum code size
09/24/2002US6454146 Cell phone holder
09/24/2002CA2284220C Method for signalling a noise substitution during audio signal coding
09/24/2002CA2244335C Digital modulator
09/19/2002WO2002074031A1 Detachably connecting device
09/19/2002WO2002073938A1 Method and apparatus for multipath signal detection, identification, and monitoring for wideband code division multiple access systems
09/19/2002WO2002073937A2 Wireless communications methods and systems for long-code and other spread spectrum waveform processing
09/19/2002WO2002073919A1 System for spread spectrum communication
09/19/2002WO2002073916A1 Method and system for blind detection of modulation type
09/19/2002WO2002073867A2 Method and apparatus for data rate control in a communication system
09/19/2002WO2002073853A1 Cdma communication method using multi-type diffusion sequence
09/19/2002WO2002073840A1 Method and apparatus for spread spectrum radio signal recovery in wideband spread spectrum communication systems
09/19/2002WO2002073832A1 Credit card communication system
09/19/2002WO2002073831A1 A communication system using ofdm for one direction and dsss for another direction
09/19/2002WO2002073825A2 Method and apparatus for tracking signals in a wireless communication system
09/19/2002WO2002073824A1 Timing discriminator with merge protection
09/19/2002WO2002073823A1 High performance w-cdma slot synchronisation for initial cell search with reduced hardware
09/19/2002WO2002073822A1 Diversity receiver for radio communications
09/19/2002WO2002073821A1 System for code division multi-access communication
09/19/2002WO2002073820A1 Arrangement for the time control of mobile communication systems
09/19/2002WO2002073819A2 Sim card socket and manufacturing method therefor
09/19/2002WO2002073817A1 Method and arrangement for interference attenuation
09/19/2002WO2002073797A2 Radio reveiver
09/19/2002WO2002073559A2 Tracking device
09/19/2002WO2002073511A1 Method of communicating between a communication station and at least one data carrier
09/19/2002WO2002073230A2 Wireless communications methods and systems for short-code and other spread spectrum waveform processing
09/19/2002WO2002051015A3 Improvements relating to satellite reception
09/19/2002WO2002039614A3 Device and method for performing synchronization in a radio communications system
09/19/2002WO2002035805A3 Wearable radio device
09/19/2002WO2002029995A3 Method and apparatus for call drop prevention in a wireless communication system
09/19/2002WO2002017627B1 Personalized remote control
09/19/2002WO2002011294A3 Multi-protocol receiver
09/19/2002WO2002003558A3 Receiver, especially for mobile radio communication
09/19/2002WO2001080438A1 A method of orthogonal conversion of spread spectrum multiple access code
09/19/2002WO2001054300A3 Digital wireless basestation
09/19/2002WO2000064064A9 Digital radio system
09/19/2002US20020133806 Method and apparatus for automatically inferring annotations
09/19/2002US20020133752 Component/web service operational profile auto-sequencing
09/19/2002US20020133736 Storage area network (SAN) fibre channel arbitrated loop (FCAL) multi-system multi-resource storage enclosure and method for performing enclosure maintenance concurrent with deivce operations
09/19/2002US20020133659 Carrying case for portable electronic devices
09/19/2002US20020132651 Portable communication terminal charger system
09/19/2002US20020132649 Method and apparatus for sending battery capacity level between radio communication devices
09/19/2002US20020132648 Partitioned radio-frequency apparatus and associated methods
09/19/2002US20020132647 Method of arbitrating speakerphone operation in a portable communication device for eliminating false arbitration due to echo
09/19/2002US20020132637 Transmitting circuit and communication terminal unit therewith
09/19/2002US20020132602 Frequency multiplier and wireless device incorporating same
09/19/2002US20020132599 Filter switching system and method
09/19/2002US20020132598 PLL frequency synthesizer
09/19/2002US20020132597 Direct conversion digital domain control
09/19/2002US20020132596 Power rate enhancement circuit for an RF power amplifier in a dual mode mobile phone
09/19/2002US20020132595 FM transmitter
09/19/2002US20020132591 Dual-duplexed, tower-top front-end for a radio transceiver system
09/19/2002US20020132590 Radio transceiver
09/19/2002US20020132587 Cellular telephone
09/19/2002US20020132576 Telecommunications chassis, module, and bridging repeater circuitry
09/19/2002US20020131603 Circuit arrangement for gaining a stereo subcarrier and an RDS carrier
09/19/2002US20020131541 Spread spectrum modulation technique for frequency synthesizers
09/19/2002US20020131534 System and method for multistage interference cancellation
09/19/2002US20020131533 Automatic gain control method and automatic gain control circuit
09/19/2002US20020131521 Radio frequency transmitter and methods thereof
09/19/2002US20020131520 Device and method for spectrally shaping a transmission signal in a radio transmitter
09/19/2002US20020131511 Video tags and markers
09/19/2002US20020131483 Spreading factor estimation system and method
09/19/2002US20020131482 Method and apparatus for spread spectrum radio signal recovery in wideband spread spectrum communication systems
09/19/2002US20020131481 Receiver including an apparatus for generating complex four-phase sequences
09/19/2002US20020131480 Spread spectrum receiver
09/19/2002US20020131479 Method and apparatus for canceling pilot interference in a CDMA communication system
09/19/2002US20020131478 Extension of wireless local area network communication system to accommodate higher data rates while preserving legacy receiver features
09/19/2002US20020131453 Method of communicating between a communication station and at least one data carrier
09/19/2002US20020131396 Data transmission in a TDMA system
09/19/2002US20020131394 Method for base station compressing and transmitting high speed data
09/19/2002US20020131391 Subscriber unit for compressing and transmitting high speed data
09/19/2002US20020131389 Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals and dc offset compensation
09/19/2002US20020131385 Device and method for processing a digital data signal in a CDMA radio transmitter
09/19/2002US20020131384 Single user detection base station