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)
10/2008
10/22/2008EP1039772B1 Remote control device and video display device
10/22/2008CN201138825Y Electronic scale alarming anti-theft instrument
10/22/2008CN201138816Y Split typed tridimensional video shooting and playing mobile phone
10/22/2008CN201138800Y Improved TD-SCDMA straight-forward station
10/22/2008CN201138797Y Circuit system and sub-card
10/22/2008CN101292565A A communications headset
10/22/2008CN101292550A Method and apparatus for switching between internal and external antennas in a device such as pc-card modem
10/22/2008CN101292487A Configurable pilots in a wireless communication system
10/22/2008CN101292441A Terminal apparatus, base station apparatus and communication system
10/22/2008CN101292436A Transmitting data from a mobile station on an uplink in a spread spectrum cellular system
10/22/2008CN101292435A Interference judging device, data reader, RFID system, interference judging method and interference judging program
10/22/2008CN101292434A Structure of safeguard film for cellular phone
10/22/2008CN101292433A Joint demodulation filter for co-channel interference reduction and related methods
10/22/2008CN101292432A Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
10/22/2008CN101292431A Hybrid receiver provided with adaptive front and back terminals
10/22/2008CN101292235A Method and apparatus for data synchronization with mobile wireless devices
10/22/2008CN101291527A Network access method, apparatus and system for wireless relay station
10/22/2008CN101291485A Mobile communications terminal device and electricity saving method thereof
10/22/2008CN101291475A Mobile station for time division duplex radio communication system and antenna selection method
10/22/2008CN101291474A Bi-mode mobile phone and switching method thereof
10/22/2008CN101291354A Terminal time control apparatus and method
10/22/2008CN101291307A Equalizer and mapping method
10/22/2008CN101291306A WiMAX compatible systematic pilot design method and channel estimating method based on the pilot
10/22/2008CN101291258A Ethernet loop processing method when connecting multiple frames on communication platform
10/22/2008CN101291243A Split brain preventing method for highly available cluster system
10/22/2008CN101291206A Test device and method for single-board host-slave switching
10/22/2008CN101291190A Terminal digitally broadcasting using parallel lines
10/22/2008CN101291187A Host digitally broadcasting using parallel lines
10/22/2008CN101291170A Method for allocating secondary synchronisation codes to a base station of a mobile telecommunication system
10/22/2008CN101291165A Sequence detecting method and apparatus for multi-antenna system
10/22/2008CN101291163A Pre-coding method, system and device in time division duplex system
10/22/2008CN101291160A Backup system for microwave optical fiber link and backup method thereof
10/22/2008CN101291159A Sending terminal, receiving terminal directly realizing spread-spectrum ultra-wideband and method thereof
10/22/2008CN101291158A Baseband system, base station and processing method supporting softer switch
10/22/2008CN101291157A Device and method for scalable off-line CDMA demodulation
10/22/2008CN101291156A Antenna duplexer
10/22/2008CN101291155A Split type mobile phone
10/22/2008CN101291154A Multi-mode operating method for multi-mode wireless apparatus and computer using the same
10/22/2008CN101291153A Portable electronic device
10/22/2008CN101291152A Interference eliminating device and method for receiver of communication system
10/22/2008CN101291136A Frequency converter circuit and receiver
10/22/2008CN101291135A Same phase/ orthogonal phase double mixer and signal frequency-raising and frequency reduction method
10/22/2008CN101290922A System realizing three-dimensional interconnection between multi-systems
10/22/2008CN101290774A Audio encoding and decoding system
10/22/2008CN101290679A Optimizing data-transmission system and method
10/22/2008CN101290232A Digital multimedia vehicle mounted navigation apparatus and navigation method
10/22/2008CN100428832C Method for providing broadcast service in a CDMA mobile communication system
10/22/2008CN100428831C User data backup method based on network information terminal
10/22/2008CN100428821C Method of inhibiting arrival time adding delay error
10/22/2008CN100428819C Mobile communication terminal and method for converting voice message to text message
10/22/2008CN100428815C Improved GSM cellular terminal
10/22/2008CN100428756C Electronic apparatus having a communication function and an image pickup function, and image display method and program
10/22/2008CN100428706C Radio communication apparatus
10/22/2008CN100428697C By-pass combination system and business processing method based on said system
10/22/2008CN100428652C Reliable conveyance of orthogonal space information
10/22/2008CN100428647C Method for keeping uniform of main/stand-by clock of communication system
10/22/2008CN100428646C Method and apparatus for chip-rate processing in a CDMA system
10/22/2008CN100428645C Mobile telecommunication terminal has electrical compass module and playing network type mobile game method using electrical compass module thereof
10/22/2008CN100428644C Dual band receiver for simultaneously receiving signals in overlapping bands
10/22/2008CN100428643C Wireless module
10/22/2008CN100428642C Notebook computer with antenna array module
10/22/2008CN100428641C Mixer of direct-conversion RF receiver
10/22/2008CN100428640C Equating method of filter, balancer, wireless communicating device decision feedback
10/22/2008CN100428639C Low temperature and low noise factor amplifying circuit
10/22/2008CN100428638C Data generating method, data generator and transmitter using with the same
10/22/2008CN100428637C Dot frequency radio transmission and receiving circuit and device
10/22/2008CN100428627C Distortion compensation circuit, distortion compensation signal generating method, and power amplifier
10/22/2008CN100428626C Multiplication system capable of reducing DC bias
10/22/2008CN100428273C Decoder and radio frequency card
10/22/2008CN100428264C Portable radio frequency recognizing read-write machine
10/22/2008CN100428217C Telecommunication device and method of multimedia data processing via telecommunication device
10/21/2008US7441122 Method for providing secure access to a digital resource
10/21/2008US7440850 Navigation system and the operating method thereof
10/21/2008US7440785 Method and apparatus for enhancing link range in a wireless network using self-configurable antenna
10/21/2008US7440781 System and method for power conservation in a wireless device
10/21/2008US7440780 Recharging method and apparatus
10/21/2008US7440778 Methods and apparatus for providing restrictions on long distance calls from a wireless communication device
10/21/2008US7440776 Radio access network and operation control method for the same
10/21/2008US7440775 Method for controlling printer using portable terminal for mobile communication in home network system
10/21/2008US7440774 Wireless enabled memory module
10/21/2008US7440773 Method for protecting user data in a personal digital assistant (PDA) telephone
10/21/2008US7440770 Portable information input apparatus
10/21/2008US7440748 Telephone which enables timely input and presentation of information
10/21/2008US7440743 IP telephone system for saving power of mobile telephone
10/21/2008US7440742 Mixer gain calibration method and apparatus
10/21/2008US7440741 Over-the-air testing of compact flash radio
10/21/2008US7440740 Method of transmitting data where in a first mode, the power level is not indicated in a message and an NPSK modulation scheme is used, and in a second mode, the power level is indicated in a message in an NQAM modulation scheme is used
10/21/2008US7440739 Smart antenna device with increased operation speed and complex smart antenna device using smart antenna device
10/21/2008US7440738 Automatic gain control with two power detectors
10/21/2008US7440737 Noise blanker control
10/21/2008US7440736 Intermediate frequency circuit for television tuner with improved intermediate frequency characteristic
10/21/2008US7440733 Constant gain nonlinear envelope tracking high efficiency linear amplifier
10/21/2008US7440732 Apparatus and method of local oscillator leakage cancellation
10/21/2008US7440731 Power amplifier with VSWR detection and correction feature
10/21/2008US7440729 Apparatus, methods and articles of manufacture for output impedance matching using multi-band signal processing
10/21/2008US7440726 Information providing method for transmitting broadcast signals being received by a user
10/21/2008US7440625 Method and apparatus for decoding compressed and encoded digital images
10/21/2008US7440577 Methods and apparatus for automatic mixing of audio signals
10/21/2008US7440527 Method of differential-phase/absolute-amplitude QAM
10/21/2008US7440516 Apparatus and method for receiving digital multimedia broadcasting in a wireless terminal
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