| 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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| 04/05/1995 | EP0646874A1 Multi-channel common-pool distributed data storage and retrieval system |
| 04/05/1995 | EP0646313A1 Internal type individual identification apparatus for animals |
| 04/05/1995 | EP0646300A1 Method of detecting errors in digitized data-reduced audio and data signals. |
| 04/05/1995 | EP0500577B1 Circuit arrangement for switching of rf signals |
| 04/05/1995 | CN1101183A A radio telephone for a vehicle |
| 04/05/1995 | CN1101182A Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression and in balanced signal transmitting system |
| 04/04/1995 | US5404589 FM receiver with dynamic intermediate frequency (IF) filter tuning |
| 04/04/1995 | US5404588 RDS receiver with improved alternate frequency switchover |
| 04/04/1995 | US5404587 AFC circuit and IC of the same adapted for lower heterodyne conversion and upper heterodyne conversion |
| 04/04/1995 | US5404584 Printed circuit board having modularized circuit functions designed for early diagnostics |
| 04/04/1995 | US5404583 Portable communication system with concealing features |
| 04/04/1995 | US5404581 Microwave . millimeter wave transmitting and receiving module |
| 04/04/1995 | US5404580 Radio having memory means for storing radio user validation code |
| 04/04/1995 | US5404578 Radio telephone in which an off operation of an operator-actuated power switch is inhibited during a talk mode |
| 04/04/1995 | US5404547 System for storing different categories of routines in internal and external memories respectively and executing the routines based upon impact by generated noise |
| 04/04/1995 | US5404405 FM stereo decoder and method using digital signal processing |
| 04/04/1995 | US5404390 Portable telephone set |
| 04/04/1995 | US5404385 Swimming goggle unit |
| 04/04/1995 | US5404378 Distortion compensating circuit |
| 04/04/1995 | US5404377 Simultaneous transmission of data and audio signals by means of perceptual coding |
| 04/04/1995 | US5404374 In a communication system |
| 04/04/1995 | US5404137 High speed transition signalling communication system |
| 04/04/1995 | US5404114 Method and apparatus for providing transmitter protection |
| 04/04/1995 | US5403203 Contact array |
| 04/04/1995 | CA2026213C Low bit rate transform coder, decoder and encoder/decoder for high-quality audio |
| 03/31/1995 | WO1995009489A1 Method and apparatus for stabilizing the gain of a control loop in a communication device |
| 03/30/1995 | WO1995008901A1 Method for making a handover in a cdma cellular radio system, and a mobile station |
| 03/30/1995 | WO1995008895A1 High-frequency receiver |
| 03/30/1995 | WO1995008890A1 Interference suppression in cdma systems |
| 03/30/1995 | WO1995008875A1 Method for securing the operation of a base station |
| 03/30/1995 | WO1995008874A1 Digital radio link system and radio link terminal |
| 03/30/1995 | WO1995008866A1 Method and arrangement for controlling the operation of a high-frequency power amplifier |
| 03/30/1995 | WO1995008849A1 Battery pack retention apparatus |
| 03/30/1995 | WO1995008795A1 Method and apparatus for providing information concerning products, using radio frequency transmissions |
| 03/30/1995 | DE4333191A1 Method for frequency correction and radio-frequency receiving device |
| 03/30/1995 | DE4332767A1 Method for controlling an FM receiver with a re-adjustable IF filter |
| 03/30/1995 | DE4332735A1 Verfahren zur digitalen Erzeugung eines komplexen Basisbandsignals A method for digitally generating a complex baseband signal |
| 03/30/1995 | CA2172410A1 Method and apparatus for providing information concerning products, using radio frequency transmissions |
| 03/29/1995 | EP0645896A2 Method for duplex data transmission between a beacon and a vehicle |
| 03/29/1995 | EP0645895A2 Apparatus in a vehicle for transmitting data to a fixed beacon |
| 03/29/1995 | EP0645769A2 Signal encoding or decoding apparatus and recording medium |
| 03/29/1995 | EP0645064A1 Ground radio transmitting and receiving apparatus |
| 03/29/1995 | EP0645063A1 Receiver automatic gain control |
| 03/29/1995 | EP0645030A1 Portable data processor which selectively activates and deactivates internal modular units and application processor to conserve power |
| 03/29/1995 | CN2193627Y Speech calling memorandum indicator |
| 03/29/1995 | CN1100878A Synchromization arrangement for a compressed video signal |
| 03/29/1995 | CN1100860A Multiple-modulation communication system |
| 03/29/1995 | CN1100853A Radio relay method, radio relay system using the method and adio unit |
| 03/29/1995 | CN1100851A Synchronous and asynchronous receiving system for receiving and storing radio programme |
| 03/29/1995 | CN1100850A Methods and apparatus for recording, reproducing, transmitting and/or receiving compressed data and recording medium therefor |
| 03/29/1995 | CA2132789A1 Modulators |
| 03/28/1995 | US5402496 Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
| 03/28/1995 | US5402450 Signal timing synchronizer |
| 03/28/1995 | US5402448 Burst mode receiver control |
| 03/28/1995 | US5402446 FSK receiver having a PLL local oscillator operable in intermittent operation in accordance with its phase locked state |
| 03/28/1995 | US5402445 Decision feedback equalizer |
| 03/28/1995 | US5402440 Processes for testing bi-directional serial transmissions, and circuits for their implementation |
| 03/28/1995 | US5402419 Transmitting method, receiving method, and communication method for bi-directional bus system, and bi-directional bus system |
| 03/28/1995 | US5402413 Three-cell wireless communication system |
| 03/28/1995 | US5402183 Apparatus for controlling the power to units making up and audio/video system |
| 03/23/1995 | WO1995008242A1 Apparatus and method for using compressed codes |
| 03/23/1995 | WO1995008241A2 Apparatus for and method of speech digitizing |
| 03/23/1995 | WO1995008238A1 Charge regulator for electronic device and associated method |
| 03/23/1995 | WO1995008227A1 Process for determining the type of coding to be selected for coding at least two signals |
| 03/23/1995 | WO1995008226A1 A communication network comprising a plurality of receivers with user profile dependent selection of programmes |
| 03/23/1995 | WO1995008224A1 Method and apparatus for power estimation in a communication system |
| 03/23/1995 | WO1995008222A1 Power systems for plug-in modules |
| 03/23/1995 | DE4433714A1 Device and method for station selection |
| 03/23/1995 | DE4409382A1 Digitales Mobilradiogerät Digital mobile radio |
| 03/23/1995 | DE4331882A1 Method for operating optical heterodyne receivers with a control device which has a capture range to regulate an intermediate frequency of the receiver at an ideal value and a receiver to carry out a method of this type |
| 03/23/1995 | CA2149214A1 Apparatus for and method of speech digitizing |
| 03/22/1995 | EP0644681A2 Card with lock by remote interrogation |
| 03/22/1995 | EP0644673A1 Direct sequence spread spectrum data transmission |
| 03/22/1995 | EP0644664A2 System for adapting characteristic of protection unit |
| 03/22/1995 | EP0644663A1 Method and apparatus for synchronisation in a direct sequence spread spectrum digital transmission system |
| 03/22/1995 | EP0644662A2 Radio with recording and reproducing function |
| 03/22/1995 | EP0644607A1 Mobile communication terminal having deployable antenna |
| 03/22/1995 | EP0644606A1 Portable radio communication device and loaded antenna therefor |
| 03/22/1995 | EP0643889A1 Method and apparatus for coherent communication in a spread-spectrum communication system |
| 03/22/1995 | EP0643886A1 Dynamic loader. |
| 03/22/1995 | EP0643885A1 Method and apparatus for communicating variable length messages between register modeled radio devices |
| 03/22/1995 | EP0429568B1 Identification system using hertzian waves, consisting of an interrogation station and a responder unit |
| 03/22/1995 | CN2192988Y Receiver with electric-saving and double-sound multi-frequence coading pronunciation calling system |
| 03/22/1995 | CN2192987Y Turning calling apparatus shell |
| 03/22/1995 | CN1027997C Structure of call receiver |
| 03/21/1995 | US5400371 System and method for filtering random noise using data compression |
| 03/21/1995 | US5400359 Spread spectrum communication system and an apparatus for communication utilizing this system |
| 03/21/1995 | US5400039 Integrated multilayered microwave circuit |
| 03/21/1995 | US5400036 Energy transmission arrangement |
| 03/21/1995 | CA2035424C Radio calling method of a portable radiophone |
| 03/21/1995 | CA2035202C Power source control circuitry for an automotive portable telephone |
| 03/16/1995 | WO1995007577A1 Sliding correlation detector |
| 03/16/1995 | WO1995007576A2 Digital sound broadcasting using a dedicated control channel |
| 03/16/1995 | WO1995007573A1 Method and arrangement for controlling the operation of a high-frequency power amplifier |
| 03/16/1995 | DE4345171A1 Method for the determination of the type of coding to be selected for the coding of at least two signals |
| 03/16/1995 | CA2131970A1 Threshold detector for a digital radiotransmission system, devices incorporating said detector and use of said detector |
| 03/15/1995 | EP0643544A1 Hand-held radio telephone |
| 03/15/1995 | EP0643506A2 Digital CDMA receiver |
| 03/15/1995 | EP0643504A1 Threshold detector for CDMA system |
| 03/15/1995 | EP0643500A1 Radio data system receiver transmitting remote control signals for controlling audio equipment |