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)
12/1996
12/10/1996US5584058 System and method for combining multiple transmitters in a multiple channel communication system
12/10/1996US5584057 Use of diversity transmission to relax adjacent channel requirements in mobile telephone systems
12/10/1996US5584056 Dual-bandwidth cellular telephone switching apparatus
12/10/1996US5584055 Adapter unit for adaptively supplying a portable radio telephone with power
12/10/1996US5584054 Communication device having a movable front cover for exposing a touch sensitive display
12/10/1996US5584053 Commonly coupled high frequency transmitting/receiving switching module
12/10/1996US5584052 Integrated microphone/pushbutton housing for voice activated cellular phone
12/10/1996US5584051 Radio broadcast transmission system and receiver for incompatible signal formats, and method therefor
12/10/1996US5584048 Method for saving battery power within communication units
12/10/1996US5583967 Apparatus for compressing a digital input signal with signal spectrum-dependent and noise spectrum-dependent quantizing bit allocation
12/10/1996US5583892 Method and system for performing transmission of digital data by coding bit information into the shape of a pulse and decoding the bit information from the shape of the pulse
12/10/1996US5583891 Noise attenuation circuit for amplitude modulated radio and method therefor
12/10/1996US5583885 Method and apparatus for encoding and decoding automatic radio indentification data
12/10/1996US5583884 Spread spectrum modulation and demodulation systems which accelerate data rate without increasing multilevel indexing of primary modulation
12/10/1996US5583873 Multiplex broadcasting station selection method
12/10/1996US5583853 Synchronous CDMA transmitter/receiver
12/10/1996US5583852 Wireless data communication system
12/10/1996US5583851 Mobile communication apparatus having multi-codes allocating function
12/10/1996US5583819 Apparatus and method of use of radiofrequency identification tags
12/10/1996US5583784 Frequency analysis method
12/10/1996US5583518 Structure for mounting a retractable antenna on a portable radio communication apparatus
12/10/1996US5583517 Multi-path resistant frequency-hopped spread spectrum mobile location system
12/10/1996US5583491 Method for displaying state of remote controller battery on a television set
12/07/1996CA2175852A1 Closed loop power control for low earth orbit satellite communications system
12/05/1996WO1996038999A1 Cdma mobile communication method, system, and mobile station equipment
12/05/1996WO1996038995A1 Apparatus and method of programming a subscriber terminal in a wireless telecommunications system
12/05/1996WO1996038993A1 Reconfigurable subscriber terminal for a wireless telecommunications system
12/05/1996WO1996038970A2 Portable computer and telecommunications equipment
12/05/1996WO1996038967A1 Control message transmission in telecommunications systems
12/05/1996WO1996038966A1 Multiline wireless transmission in a wireless telecommunications system
12/05/1996WO1996038965A1 Message handling in a telecommunications network
12/05/1996WO1996038964A1 Multi-channel digital data transmission in a wireless telecommunications system
12/05/1996WO1996038963A1 Control message transmission in telecommunications systems
12/05/1996WO1996038960A1 Packet switched communications system using modulator subsystem prekeying
12/05/1996WO1996038957A1 Subscriber terminal monitor system for a wireless telecommunications system
12/05/1996WO1996038954A1 A protocol converter for a wireless telecommunications system
12/05/1996WO1996038953A1 A control system for a wireless telecommunications system
12/05/1996WO1996038952A1 Subscriber terminal for a wireless telecommunications system
12/05/1996WO1996038950A1 Remote control of wireless telecommunications systems
12/05/1996WO1996038944A1 Cdma transmission employing clipping function
12/05/1996WO1996038941A1 Apparatus and method of frame aligning information in a wireless telecommunications system
12/05/1996WO1996038938A2 Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system
12/05/1996WO1996038936A1 Apparatus and method of transmitting and receiving information in a wireless telecommunications system
12/05/1996WO1996038935A1 Controlling transmitter gain in a wireless telecommunications system
12/05/1996WO1996038934A1 Apparatus and method of controlling transmitting power in a subscriber terminal of a wireless telecommunications system
12/05/1996WO1996038932A1 Communication device
12/05/1996WO1996038931A1 Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
12/05/1996WO1996038930A1 Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
12/05/1996WO1996038929A1 Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system
12/05/1996WO1996038928A1 Error protection in dynamic bit allocation sub-band coding
12/05/1996WO1996038927A1 Data broadcasting system using the human ear properties
12/05/1996WO1996038926A1 Baseband processing for cellular modems implemented by dsp
12/05/1996WO1996038925A1 Spread spectrum transceiver module utilizing multiple mode transmission
12/05/1996WO1996038924A1 Wideband zero if demodulator using single l.o
12/05/1996WO1996038837A2 A vocal information system
12/05/1996WO1996038805A2 Supply voltage processing circuit and a data carrier with a supply voltage processing circuit
12/05/1996WO1996038786A1 Machine control module for a processor
12/05/1996WO1996035189A3 Communication data format
12/05/1996WO1996027948A3 Method and apparatus for controlling frequency of a multi-channel transmitter
12/05/1996DE19520506A1 Kühlvorrichtung für einen Hochfrequenzempfänger A cooling apparatus for a radio frequency receiver
12/05/1996CA2222705A1 Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system
12/05/1996CA2222503A1 Optimized baseband processing for cellular modems
12/05/1996CA2215805A1 Spread spectrum transceiver module utilizing multiple mode transmission
12/04/1996EP0746118A1 Antenna switching circuit and wireless communication system
12/04/1996EP0746117A2 Transmitter/receiver interface apparatus and method for a bi-directional transmission path
12/04/1996EP0746116A2 MPEG audio decoder
12/04/1996EP0746115A2 Audio signal processing circuit for subband coding
12/04/1996EP0746114A1 Frequency modulated radio transmitter
12/04/1996EP0746113A2 Metal fitting structure for anchoring a chain to a portable apparatus
12/04/1996EP0746062A2 Surface engageable electrical connector
12/04/1996EP0746050A1 Non-aqueous electrolyte secondary battery
12/04/1996EP0745297A1 Robust frequency management and acquisition in a wireless local area network that uses frequency-hopping radios
12/04/1996EP0745291A1 Data transmission method, transmitter, and receiver
12/04/1996EP0745284A1 Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system
12/04/1996EP0745277A1 Strip line filter, receiver with strip line filter and method of tuning the strip line filter
12/04/1996EP0683923A4 Method of producing a radio frequency transponder with a molded environmentally sealed package.
12/04/1996EP0377581B1 Analog/digital data storage system
12/04/1996CN2241949Y Transmitter
12/04/1996CN1137335A Receiver and repeater for spread spectrum communication
12/04/1996CN1137334A Transmitters for radio telephone base stations
12/04/1996CN1137333A Receiver with quadrature decimation stage, method of processing digital signals
12/03/1996US5581803 Method of programming a radio identification code in a communication unit
12/03/1996US5581653 Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
12/03/1996US5581651 Speech signal decoding apparatus and method therefor
12/03/1996US5581617 System for short-range transmission of signals over the air using a high frequency carrier
12/03/1996US5581581 Viterbi equalizer
12/03/1996US5581548 Frequency and channel hopping communication in a TDMA cellular mobile radio system
12/03/1996US5581547 Random access communication method by CDMA and mobile station equipment using the same
12/03/1996US5581543 Communication network and method which respond to a failed link
12/03/1996US5581249 Mobile communication system
12/01/1996CA2177556A1 Transmitter and receiver for orthogonal frequency division multiplexing signal
12/01/1996CA2177536A1 Frequency modulation radio transmission device
11/1996
11/28/1996WO1996037986A1 Method for reducing the effect of demodulator transients on signal tracking loops
11/28/1996WO1996037980A1 Radio that receives the audio from television programs
11/28/1996WO1996037970A1 Method for transmitting pilot channels, and a cellular radio system
11/28/1996WO1996037969A1 Method for transmitting a pilot signal, and a cellular radio system
11/28/1996WO1996037968A1 Programmable matched filter for spread spectrum
11/28/1996WO1996037967A1 Selective call receiver having automatically adjusted impedance match for antenna
11/28/1996WO1996037956A1 Multiple transmission channel group transmitter
11/28/1996WO1996037949A1 A cartesian loop transmitter