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)
12/1998
12/08/1998US5848164 System and method for effects processing on audio subband data
12/08/1998US5848160 Digital synthesized wideband noise-like waveform
12/08/1998US5848108 Selective filtering for co-channel interference reduction
12/08/1998US5848097 Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for a multichannel communication network
12/08/1998US5848096 Communication method and system using different spreading codes
12/08/1998US5848095 System and method for adaptive hopping
12/08/1998US5848062 Wireless communication equipment for remote station
12/08/1998US5847662 Radio card communication apparatus
12/08/1998US5847657 Radio selective calling receiver capable of checking time period of stay outside coverage zone
12/08/1998US5847305 Remote control devices for electronic devices
12/08/1998CA2190450C Interface for portable communications device
12/08/1998CA2157959C Apparatus and method for obtaining synchronism between a base station and a portable unit arranged for operation in a frequency hopping system
12/08/1998CA2096401C Group facility protection in a digital telecommunications system
12/03/1998WO1998054844A1 Centralized channel selection in a distributed rf antenna system
12/03/1998WO1998054784A1 Radio apparatus with a built-in antenna
12/03/1998WO1998054146A1 Cyanoguanidines as cell proliferation inhibitors
12/03/1998WO1998042155A3 A method for combining signals, and a receiver
12/03/1998WO1998042082A3 Method and arrangement for forming an address
12/03/1998WO1998038809A3 Selective call device and method for battery saving during information services
12/03/1998WO1998027766A3 Method and device for reducing electricity consumption in mobile multimode telecommunication terminals
12/03/1998DE19821320A1 Wristwatch with satellite receiver for navigation and time transmission
12/03/1998DE19722506A1 Funkgerät Radio set
12/03/1998DE19722369A1 Operating panel for car radio
12/03/1998CA2292876A1 Cyanoguanidines as cell proliferation inhibitors
12/03/1998CA2238741A1 Apparatus and tuning method for a voltage controlled oscillator
12/02/1998EP0881849A2 Radio communication system with fixed and mobile radio equipment
12/02/1998EP0881792A2 Method of receiving programs, and use of this method in a DAB receiver
12/02/1998EP0881786A2 Method and apparatus for transmitting two parallel channels using code division
12/02/1998EP0881784A2 Method and apparatus for controlling the transmission power in a mobile radio satellite communication system
12/02/1998EP0881780A2 Signal reception apparatus in spectrum spread communication system
12/02/1998EP0881779A2 Method and circuit for detecting multipath interference at FM broadcast reception
12/02/1998EP0881700A1 Dielectric filter, dielectric duplexer and communication apparatus
12/02/1998EP0881639A2 Automatic equalization system
12/02/1998EP0880875A1 A method and an arrangement for cooling an apparatus cabinet
12/02/1998EP0880868A2 Method and apparatus for compressing and transmitting high speed data
12/02/1998EP0880855A1 Intelligent memory management system and method
12/02/1998EP0880833A1 A radio broadcasting system, a transmitter and a receiver for use in such a system, a radio broadcasting method and a radio broadcasting signal
12/02/1998EP0880830A1 A dual-mode radio architecture
12/02/1998EP0880829A1 Docking and electrical interface for personal use communication devices
12/02/1998EP0880828A1 Multichannel receiver using analysis by synthesis
12/02/1998EP0880713A1 Combined gps positioning system and communications system utilizing shared circuitry
12/02/1998EP0832521B1 Process for encoding an audio signal digitalised at a low sampling frequency
12/02/1998EP0783794B1 Method for Amplitude Demodulation
12/02/1998EP0634057B1 Radio circuit including antenna assembly
12/02/1998CN1200866A Radio communications device and its cover
12/02/1998CN1200851A Method and apparatus for interference suppression in spread spectrum signal
12/02/1998CN1200850A Method of receiving and searching a signal transmitting in bursts
12/02/1998CN1200636A Radio communication system with stationary radio device and mobile radio device
12/02/1998CN1200634A Selective calling/receiving device
12/02/1998CN1200617A Fixed subscriber unit
12/02/1998CN1200603A Automatic equalization system
12/02/1998CN1041042C Noise cancellation apparatus, and telephone set having same
12/01/1998US5845248 Apparatus for reading out textual information with synthesized speech, and teletext receiver
12/01/1998US5845247 Reproducing apparatus
12/01/1998US5845240 Selective recall and preservation of continuously recorded data
12/01/1998US5845217 Power systems for plug-in modules
12/01/1998US5845216 Optimized companding for communication over cellular systems
12/01/1998US5845212 Optimum power and handover control by cellular system mobile unit
12/01/1998US5845204 Method and apparatus for controlling the wakeup logic of a radio receiver in sleep mode
12/01/1998US5845200 Method and an apparatus for automatically tuning a receiver
12/01/1998US5845197 Portable electronic device with associated earphone
12/01/1998US5844985 Vertically correcting antenna for portable telephone handsets
12/01/1998US5844953 Method for common transmission of digital source and control data between data sources and data sinks connected through data lines
12/01/1998US5844939 Low-cost phaselocked local oscillator for millimeter wave transceivers
12/01/1998US5844938 Carrier based data operated squelch
12/01/1998US5844937 Matched filter system
12/01/1998US5844936 Method and device for eliminating interference signals in a direct sequence spread spectrum link
12/01/1998US5844935 CDMA Receiver
12/01/1998US5844934 Spread spectrum communication system
12/01/1998US5844900 Method and apparatus for optimizing a medium access control protocol
12/01/1998US5844893 In a data communication network
12/01/1998US5844868 Digital-analog shared circuit in dual mode radio equipment
12/01/1998US5844508 Data coding method, data decoding method, data compression apparatus, and data decompression apparatus
12/01/1998US5844482 Tagging system using motion detector
12/01/1998US5844445 Feedback type pre-amplifier
12/01/1998US5843139 Adaptive, performance-optimizing communication system for communicating with an implanted medical device
12/01/1998CA2048385C System monitoring programmable implantable transponder
11/1998
11/28/1998CA2236607A1 Radio communication system with a stationary and a mobile radio device
11/26/1998WO1998053557A2 Transponder communication device
11/26/1998WO1998053556A2 Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
11/26/1998WO1998053523A1 Radiotelephones with switching antenna matching system
11/26/1998WO1998053456A1 Apparatus and methods for controlling household appliances
11/26/1998WO1998053343A2 Tagging system using motion detector
11/26/1998WO1998038758A3 Orthogonal code synchronization system and method for spread spectrum cdma communications
11/26/1998DE19744915C1 Method of transferring digital data signal from transmitter to receiver
11/26/1998DE19721788A1 Power supply switching arrangement for remote controllable apparatus
11/26/1998DE19717365C1 ISDN-Netz mit DECT-Zwischensystem ISDN network with DECT intermediate system
11/26/1998CA2290348A1 Apparatus and methods for controlling household appliances
11/25/1998EP0880297A2 Mobile assisted handoff for mobile radio communication system
11/25/1998EP0880296A1 Transmission restricting device, radio communication terminal equipment and transmission restricting system using these
11/25/1998EP0880256A2 Portable telephone device
11/25/1998EP0880239A2 Transmission power control system capable of disabling communication of a mobile terminal which carries out an abnormal operation
11/25/1998EP0880238A2 Spread-spectrum signal receiving method and apparatus
11/25/1998EP0880235A1 Wide band audio signal encoder, wide band audio signal decoder, wide band audio signal encoder/decoder and wide band audio signal recording medium
11/25/1998EP0880193A1 Antenna source for the transmission and reception of microwaves
11/25/1998EP0880191A1 Dielectric resonator, dielectric filter, duplexer and communication device
11/25/1998EP0879551A1 Integrated electronic communication device and clip
11/25/1998EP0879525A1 Mobile radio telephone assembly
11/25/1998EP0879506A1 Aperture-to-receiver gain equalization in multi-beam receiving systems
11/25/1998EP0879485A1 Compact radio frequency transmitting and receiving antenna and control device employing same