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)
12/1999
12/08/1999CN1237834A Radio equipment and transmit power controlling method for the same
12/08/1999CN1237806A Device for transmission/reception of signals
12/07/1999US5999990 Communicator having reconfigurable resources
12/07/1999US5999900 Reduced redundancy test signal similar to natural speech for supporting data manipulation functions in testing telecommunications equipment
12/07/1999US5999899 Low bit rate audio coder and decoder operating in a transform domain using vector quantization
12/07/1999US5999862 Communications equipment in a combat vehicle
12/07/1999US5999831 Portable radio
12/07/1999US5999830 TDMA mobile communication device for reducing a power consumption and method
12/07/1999US5999829 Circuit and method for controlling the power used by a portable radiotelephone
12/07/1999US5999826 Devices for transmitter path weights and methods therefor
12/07/1999US5999824 Radio signal processing apparatus of portable telephone for sharing digital/analog compatible mode and personal communication service mode
12/07/1999US5999803 Received signal strength detector for a mobile communications system
12/07/1999US5999801 Wireless rechargeable CB microphone
12/07/1999US5999800 Design technique of an array antenna, and telecommunication system and method utilizing the array antenna
12/07/1999US5999799 Auto-finder and distance warning method and apparatus for a remote control input device
12/07/1999US5999793 Satellite receiver tuner chip with frequency synthesizer having an externally configurable charge pump
12/07/1999US5999578 Automatic gain control circuit of radio receiver
12/07/1999US5999574 Digital filter system, carrier reproduction circuit using the digital filter system, and demodulation circuit using the carrier reproduction circuit
12/07/1999US5999573 Wideband channelization with variable sampling frequency
12/07/1999US5999572 Digital broadcasting receiver tuner
12/07/1999US5999569 Communication system
12/07/1999US5999562 Intelligent power management for a programmable matched filter
12/07/1999US5999561 Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
12/07/1999US5999560 Rake reception method for a spread spectrum signal
12/07/1999US5999559 Radio receiver for spread spectrum signal
12/07/1999US5999523 Radiotelephone operating in a time-divided radiotelephone system
12/07/1999US5999300 Hybrid single sideband optical modulator
12/07/1999US5999223 System for controlling the operating mode of an adaptive equalizer within a digital TV signal receiver
12/07/1999US5999134 Glass antenna system with an impedance matching network
12/07/1999US5999048 Method and apparatus for spread spectrum pilot extraction for RF amplifiers
12/07/1999US5996184 Clip for portable electronic devices
12/07/1999CA2128881C Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization
12/07/1999CA2117941C Frequency reuse technique for a high data rate satellite communication system
12/07/1999CA2076996C Transmission line switching devices capable of switching to a redundant system when a failure occurs in the system path
12/07/1999CA2056353C Radio communication apparatus
12/07/1999CA2045970C Method for transmitting a signal
12/07/1999CA2040060C Radio communication system using spread spectrum techniques
12/03/1999CA2254161A1 Event communication system
12/02/1999WO1999062279A1 Method and system for cross frame transmit combining of transmit signals
12/02/1999WO1999062253A2 Scalable audio coder and decoder
12/02/1999WO1999062211A2 Apparatus and method for processing signals selected from multiple data streams
12/02/1999WO1999062199A1 A receiver and receiving method for wireless communication
12/02/1999WO1999062197A1 Communications receiver and method of detecting data from received signals
12/02/1999WO1999062196A2 Write/read device for communication with transponders, having first coding means and second coding means
12/02/1999WO1999062195A1 Harmonic suppression in dual band mobile phones
12/02/1999WO1999062194A1 Multiple waveform software radio
12/02/1999WO1999062193A1 Improved power amplifier matching in a dual band mobile phone
12/02/1999WO1999062192A1 System and method for implementing a hybrid waveguide device
12/02/1999WO1999062191A1 Receiver
12/02/1999WO1999062190A2 Detection of interfering signal in radio receiver
12/02/1999WO1999062189A2 System and method for masking quantization noise of audio signals
12/02/1999WO1999062178A1 Multiband frequency generation using a single pll-circuit
12/02/1999WO1999062053A1 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
12/02/1999WO1999062052A2 System and method for entropy encoding quantized transform coefficients of a signal
12/02/1999WO1999060988A2 Combination therapy for treatment of fiv infection
12/02/1999DE19924039A1 Receiver with several oscillators acting at different frequencies
12/02/1999DE19922124A1 Surface acoustic wave filter for mobile communication devices for e.g. a cellular phone
12/02/1999DE19914384A1 Digital intermediate frequency stage for spread spectrum reception
12/02/1999DE19824233A1 Amplitudenbegrenzung Amplitude limiting
12/02/1999DE19823122A1 Multi-function telephone device for automobile
12/02/1999DE19813183A1 Verfahren und Anordnung zur Kanalzuweisung in einem Funk-Kommunikationssystem Method and apparatus for channel assignment in a wireless communication system
12/02/1999CA2374198A1 Combination therapy for treatment of fiv infection
12/01/1999EP0961509A2 Method of initiating and terminating data transmission
12/01/1999EP0961499A1 Predictive coding method and decoding method for dynamic image
12/01/1999EP0961462A2 Radio communication apparatus capable of updating a menu of services with dial information
12/01/1999EP0961433A2 Receiver for receiving Digital Audio Broadcast programmes comprising a means for selecting a service from a plurality of preselected services
12/01/1999EP0961432A2 Receiver for receiving Digital Audio Broadcast (DAB) programmes which have a plurality of protection levels
12/01/1999EP0961431A2 Receiver for receiving Digital Audio Broadcast (DAB) programmes, comprising a selection means for selecting a sound signal from several sources
12/01/1999EP0961430A2 Receiver for receiving Digital Audio Broadcast (DAB) programmes, comprising automatic selection of broadcast programmes from a plurality of multiplexed programmes
12/01/1999EP0961427A2 Method and system for demodulating receive signal including pilot signal
12/01/1999EP0961414A2 Method and apparatus for encoding, decoding and compression of audio-type data
12/01/1999EP0961413A2 A transport package for a mobile station
12/01/1999EP0961402A2 A transmitter
12/01/1999EP0961398A1 Mixer circuit arrangements
12/01/1999EP0961339A1 Device for transmission/reception of signals
12/01/1999EP0960781A2 Car-mounted sound device
12/01/1999EP0960542A2 Removable data store
12/01/1999EP0960485A2 Apparatus and method for code tracking in an IS-95 spread spectrum communication system
12/01/1999EP0960484A1 Combined radio telephone handset
12/01/1999EP0960483A1 Radio transmitting apparatus for mobile radiotelephone service with information concerning the operating of the hf-amplification circuit
12/01/1999EP0960475A1 Power saving device for radio communication terminal
12/01/1999EP0960474A2 A communication system, device and method
12/01/1999EP0960410A2 Device and method for producing coded high-frequency signals
12/01/1999EP0960392A1 A method and a device for finalizing data carrying communication equipment in traffic control systems
12/01/1999EP0959713A1 Attachment system for a portable device
12/01/1999EP0864206B1 Method and non-linear filter for reducing co-channel interference
12/01/1999EP0756805A4 A method and apparatus having time dependent sleep modes
12/01/1999EP0541772B1 A personal communications device having remote control capability
12/01/1999CN1237312A Power supply switching in radio communication device
12/01/1999CN1237297A Device for generating plurality of code series simultaneously and CDMA radio receiver comprising the device
12/01/1999CN1237283A Portable electronic device and method
12/01/1999CN1237278A Small antenna for portable radio equipment
12/01/1999CN1237277A Radio telephone with high antenna efficiency
12/01/1999CN1237083A Cooling electronic apparatus
12/01/1999CN1237074A System and method for measuring channel quality information in communication system
12/01/1999CN1237063A DBS tuner for receiving satellite broadcast
12/01/1999CN1237058A Method for displaying telephone number of calling party on terminal of called party
12/01/1999CN1237050A CDMA communication apparatus and CDMA communication method
12/01/1999CN1237049A Method and apparatus for adjusting transmission power of CDMA terminal
12/01/1999CN1237042A Modulation technique for multi-band applications