| 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) |
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| 09/08/1998 | US5805648 Method and apparatus for performing search acquisition in a CDMA communication system |
| 09/08/1998 | US5805635 Secure communication system |
| 09/08/1998 | US5805634 Method and apparatus for transmitting and receiving information as a power hopped direct sequence spread spectrum signal |
| 09/08/1998 | US5805584 Multi-user acquisition procedure for point-to-multipoint synchronous CDMA systems |
| 09/08/1998 | US5805583 Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access |
| 09/08/1998 | US5805256 Remote control with a thumbswitch for controlling equipment that handles video or audio signals |
| 09/08/1998 | US5805230 Method for automatic programming of a tuner and device for implementation of the method |
| 09/08/1998 | US5805112 Extra antenna element |
| 09/08/1998 | US5805105 Radio range finder |
| 09/08/1998 | US5805073 Apparatus for connecting electric appliances |
| 09/08/1998 | US5805067 Communication terminal having detector method and apparatus for safe wireless communication |
| 09/08/1998 | US5805023 High frequency amplifier, receiver, and transmitter system |
| 09/05/1998 | CA2229967A1 Arrangement of contact pairs for compensation of near-end crosstalk |
| 09/03/1998 | WO1998038835A1 Method and corresponding system for influencing the stereo channel separation of an audiosignal |
| 09/03/1998 | WO1998038809A2 Selective call device and method for battery saving during information services |
| 09/03/1998 | WO1998038805A2 A reception method and a receiver |
| 09/03/1998 | WO1998038758A2 Orthogonal code synchronization system and method for spread spectrum cdma communications |
| 09/03/1998 | WO1998038751A1 Portable telephone case |
| 09/03/1998 | WO1998038750A1 Receiver apparatus, and associated method, for receiving a receive signal transmitted upon a channel susceptible to interference |
| 09/03/1998 | WO1998038749A1 Satellite broadcast system receiver |
| 09/03/1998 | WO1998038600A1 System and method for locating individuals and equipment, airline reservation system, communication system |
| 09/03/1998 | WO1998029960A3 Method for allocating rake branches and rake receiver |
| 09/03/1998 | WO1998027504A3 Method and apparatus for embedding auxiliary data in a primary data signal |
| 09/03/1998 | WO1998026610A3 Hybrid instruction set for versatile digital signal processing system |
| 09/03/1998 | DE19802552A1 Mobile telephone |
| 09/03/1998 | DE19719658A1 Double transformation HF transceiver apparatus |
| 09/03/1998 | DE19705816A1 Frequency-hopping transmitter localisation method |
| 09/02/1998 | EP0862328A1 An operations center to be used in television program delivery |
| 09/02/1998 | EP0862307A1 Telphone device and method for displaying functions and related parameters |
| 09/02/1998 | EP0862280A2 Device and method for detection and reduction of intermodulation distortion in a CDMA receiver |
| 09/02/1998 | EP0862279A2 Transmit-receive switch |
| 09/02/1998 | EP0862278A2 A communication unit, an antenna and a method for connecting an antenna |
| 09/02/1998 | EP0862277A2 Portable communications terminal |
| 09/02/1998 | EP0862276A2 Mobile station voltage supply using level shift of base band operating voltages |
| 09/02/1998 | EP0861751A2 Display device for a vehicle |
| 09/02/1998 | EP0861529A1 Multiple user communication system, device and method with overlapping uplink carrier spectra |
| 09/02/1998 | EP0861528A1 Mobile phone set with antenna reflector |
| 09/02/1998 | EP0861527A2 Dual transmitter arrangement with back-up switching |
| 09/02/1998 | EP0753159B1 Vehicle-mounted transponder |
| 09/02/1998 | CN2290151Y Automatic frequency search traffic information receiver |
| 09/02/1998 | CN2290120Y Portable telephone battery |
| 09/02/1998 | CN1192309A Assessment of signal quality |
| 09/02/1998 | CN1192305A Self-interference cancellation for two-party relayed communication |
| 09/02/1998 | CN1192304A Automatic power control system for a code division multiple access (CDMA) communication system |
| 09/02/1998 | CN1192303A Modular unit headset |
| 09/02/1998 | CN1192302A Electronic equipment audio system |
| 09/02/1998 | CN1192301A Electronic metering equipment system |
| 09/02/1998 | CN1192300A Timing adjustment control for efficient time division duplex communication |
| 09/02/1998 | CN1192283A Frequency detection |
| 09/02/1998 | CN1192110A CDMA cellular radio transmission system |
| 09/02/1998 | CN1192109A CDMA radio transmission system |
| 09/02/1998 | CN1192089A Demodulator for demodulation spread spectrum signal and its method |
| 09/02/1998 | CN1192086A Method for managing status and dual information of clock distributor |
| 09/02/1998 | CN1192084A 放大器系统 Amplifier System |
| 09/01/1998 | US5802484 Adaptive antenna structure for a computational device |
| 09/01/1998 | US5802464 Broadcast or communications receiver including ceramic filter, intermediate frequency amplifier and passive, non-inductive band-pass filters |
| 09/01/1998 | US5802460 Telephone handset with remote controller for transferring information to a wireless messaging device |
| 09/01/1998 | US5802458 Device and antenna for cordless radio communication including radio signal attenuation mechanism |
| 09/01/1998 | US5802457 Method for realizing ambience listening, and radio unit |
| 09/01/1998 | US5802451 Non-linear compensation circuit for a power amplifier |
| 09/01/1998 | US5802450 Method for initiating a radio transmission apparatus |
| 09/01/1998 | US5802447 Transmitter-receiver for a radio communication apparatus |
| 09/01/1998 | US5802300 Audio video system |
| 09/01/1998 | US5802102 Programmable two-part matched filter for spread spectrum |
| 09/01/1998 | US5802101 Direct sequence SS LAN station with reduced power consumption and method for operating the same |
| 09/01/1998 | US5802067 FM multiplex broadcast receiving circuit for detecting presence or absence of multiplex information |
| 09/01/1998 | US5802066 Multiplex broadcast receiving method and receiver with program type memory |
| 09/01/1998 | US5802059 Signal receiving apparatus |
| 09/01/1998 | US5802017 Information-signal recording apparatus and recording mode inquiring/specifying method |
| 09/01/1998 | US5801865 Radio-telecommunication device in vehicles |
| 09/01/1998 | US5801662 Portable radio device antenna apparatus |
| 09/01/1998 | US5801661 Antenna switching circuit suitable for a radio-frequency apparatus with a built-in antenna |
| 09/01/1998 | US5801654 Apparatus and method for frequency translation in a communication device |
| 09/01/1998 | US5801575 Process and device controlling the operation of a portable electronic object supplied via its antenna |
| 09/01/1998 | US5799914 Cradle device for a portable radio terminal |
| 08/27/1998 | WO1998037743A1 Elastomeric device protector |
| 08/27/1998 | WO1998037718A1 Assembly comprising a radio station with digital data receiver, such as rds |
| 08/27/1998 | WO1998037681A1 Radio apparatus |
| 08/27/1998 | WO1998037647A2 Method to gain access to a base station in a discrete multitone spread spectrum communications system |
| 08/27/1998 | WO1998037641A1 Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal |
| 08/27/1998 | WO1998037640A1 Transmit/receive switch |
| 08/27/1998 | WO1998037639A1 Radio transceiver on a chip |
| 08/27/1998 | WO1998037638A2 Highly bandwidth-efficient communications |
| 08/27/1998 | WO1998037629A1 Receiver if system with active filters |
| 08/27/1998 | WO1998037590A2 Polarization diverse antenna for portable communication devices |
| 08/27/1998 | DE3440843C1 Signal to noise ratio improvement unit separating wanted signal from noisy detector signal |
| 08/27/1998 | DE19707673A1 Verfahren zur Beeinflussung der Stereo-Kanaltrennung eines Audiosignals und Anordnung dazu Method for influencing the stereo channel separation of an audio signal and arrangement to |
| 08/27/1998 | DE19705447A1 Funkgerät Radio set |
| 08/26/1998 | EP0861009A2 Method for setting audio parameters in a digital signal processor and an electronic device |
| 08/26/1998 | EP0860969A2 Mobile communication devices |
| 08/26/1998 | EP0860963A1 Method and apparatus for the automatic equalisation of transmission channels, which carry signals of substantially constant modulus |
| 08/26/1998 | EP0860951A1 Telecommunications equipment with magnetic recognition of accessories |
| 08/26/1998 | EP0860071A1 System and method for multiplexing a spread spectrum communication system |
| 08/26/1998 | EP0860055A1 Method for transmitting a pilot signal, and a cellular radio system |
| 08/26/1998 | EP0860049A1 Frequency conversion circuit and method for millimeter wave radio |
| 08/26/1998 | EP0859989A1 Enhanced detection of multiple data transmissions |
| 08/26/1998 | EP0647373B1 Device and method for tuning a combiner filter |
| 08/26/1998 | CN1191649A Portable computer and telecommunications equipment |
| 08/26/1998 | CN1191647A Radio with peak power and bandwidth efficient modulation |
| 08/26/1998 | CN1191460A Wireless base station equipment |