| Patents for H04B 17 - Monitoring; Testing (29,423) |
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| 01/05/1995 | WO1995001011A1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal |
| 12/22/1994 | WO1994029976A1 Method for testing a transceiver, and a base station of a time-divisional radiocommunication system |
| 12/22/1994 | WO1994029975A1 Fading simulator |
| 12/22/1994 | DE4319734A1 Arrangement for in-service monitoring of transmission paths in electrical communications systems |
| 12/22/1994 | CA2164409A1 Fading simulator |
| 12/21/1994 | EP0630125A2 Base station transceiver diagnostics equipment |
| 12/14/1994 | EP0445232B1 Fiber optic link noise measurement and optimization system |
| 12/14/1994 | CN1027026C Electric railway radio interfering property sine-measuring method |
| 12/13/1994 | US5373548 Out-of-range warning system for cordless telephone |
| 12/08/1994 | WO1994028638A1 Method for improving stored voice message quality |
| 12/08/1994 | WO1994028637A1 A method and apparatus for determining signal usability |
| 12/08/1994 | WO1994028623A1 A method and apparatus for mitigating distortion effects in the determination of signal usability |
| 12/06/1994 | CA2053313C Rapid received signal strength indication |
| 12/03/1994 | CA2122116A1 Alerting and monitoring services for communications systems |
| 11/30/1994 | EP0626765A1 Radio communication apparatus |
| 11/29/1994 | US5369785 Method of and apparatus for detecting a monitoring signal at a base station in a radio telephone system |
| 11/24/1994 | WO1994027385A1 Method and arrangement for measuring the condition of a base station |
| 11/24/1994 | WO1994027367A1 Radio broadcast reception process and circuitry |
| 11/23/1994 | EP0625863A2 Dual stage RSSI handoff trigger |
| 11/23/1994 | CN1095534A Method and apparatus of estimating channel quality in a receiver |
| 11/22/1994 | US5367395 Apparatus for detection and location of faults in two-way communication through single optical path |
| 11/17/1994 | DE4316683A1 Method and circuit arrangement for broadcast reception |
| 11/08/1994 | US5363402 HF radio apparatus operable in multiple communication modes |
| 11/01/1994 | US5361402 Test device for analyzing communication channels in a trunked radio system |
| 11/01/1994 | CA2021217C Radio communication apparatus having a function for displaying reception field strength and method of controlling the apparatus |
| 10/27/1994 | WO1994024576A1 Method and device for supervising the condition of an antenna |
| 10/26/1994 | CN1094201A Method and apparatus for correcting a radio signal strength information signal |
| 10/18/1994 | US5357557 Inter-mobile-terminal testing method in cellular automobile telephone system |
| 10/12/1994 | EP0619687A1 Method and apparatus for determining the link quality in a mobile radio system |
| 10/12/1994 | EP0619619A1 A coupling device |
| 10/11/1994 | US5355530 Receiver using receiving condition signal for correcting influence of the reception band width |
| 10/11/1994 | US5355519 Fading simulation method and fading simulator |
| 10/11/1994 | US5355514 Method for determining the transmission quality of a home traffic connection in a mobile radio system |
| 10/11/1994 | CA1332450C Carrier-to-noise detector for digital transmission systems |
| 10/07/1994 | CA2120580A1 Method and device to ascertain the quality of service in a mobile radio installation |
| 09/29/1994 | WO1994022255A1 Self-diagnostic system for cellular-transceiver systems |
| 09/28/1994 | EP0616742A1 Spatial division multiple access wireless communication systems |
| 09/27/1994 | US5351245 In a digital radio communication system |
| 09/20/1994 | US5349701 Method and apparatus for broken link detect using audio energy level |
| 09/20/1994 | US5349497 Detachable handle structures for terminals |
| 09/19/1994 | CA2115082A1 Low-loss rf coupler for testing a cellular telephone |
| 09/07/1994 | CN1091875A Measurement of receiver sensitivity of a radio communication apparatus by radio and optical test signals |
| 09/06/1994 | US5345595 Apparatus and method for detecting fraudulent telecommunication activity |
| 08/24/1994 | EP0612162A2 Apparatus for monitoring the transmission power level in a TDMA communications system |
| 08/10/1994 | EP0609436A1 A method for forming a quality measure for signal bursts |
| 08/09/1994 | US5337316 Transceiver self-diagnostic testing apparatus and method |
| 07/27/1994 | EP0607693A2 Method and apparatus for diagnosing AMP to Speaker Connections |
| 07/21/1994 | WO1994016530A1 Radio link parameter monitoring in a wireless communications system |
| 07/21/1994 | WO1994016336A1 Method and arrangement for measuring the condition of a receiver antenna |
| 07/21/1994 | WO1994016335A1 Arrangement for measuring the condition of a receiver antenna |
| 07/20/1994 | EP0606916A1 Data transmission system using error correction without expansion of bandwidth |
| 07/20/1994 | EP0606341A1 Method and apparatus for automatically identifying a program including a sound signal |
| 07/20/1994 | EP0606330A1 Network with line monitoring system |
| 07/12/1994 | US5329591 Transmitter identification and validation system and method |
| 07/07/1994 | WO1994015420A1 Apparatus and method for fault detection on redundant signal lines via encryption |
| 07/07/1994 | WO1994015413A1 Wireless personal local area network |
| 07/07/1994 | CA2134559A1 Apparatus and method for fault detection on redundant signal lines via encryption |
| 07/05/1994 | US5327359 Method and system for inferring the radio refractive index structure of the atmosphere from radio measurements |
| 06/22/1994 | EP0602722A2 Hold circuit, mobile station, base station and digital radio communication system comprising such a hold circuit |
| 06/22/1994 | EP0602236A1 A method for controlling transmission power in a communication system |
| 06/21/1994 | US5323421 Method and apparatus of estimating channel quality in a receiver |
| 06/19/1994 | CA2085768A1 Hand model satellite receiver-setup apparatus |
| 06/15/1994 | EP0601987A2 Method and apparatus for correcting a received signal strength indication in a radio receiver |
| 06/15/1994 | EP0569440A4 Cell-site simulator for mobile communication systems |
| 06/07/1994 | US5319804 Transmitter with nonlinearity correction circuits |
| 06/07/1994 | US5319488 Terminal equipment and optical communication system using the same |
| 06/01/1994 | EP0599679A1 Remote loopback system for radiocommunications transceiver |
| 06/01/1994 | EP0599665A2 Detecting circuit and detection method |
| 05/31/1994 | US5317599 Method and circuit for detecting CN ratio of QPSK signal |
| 05/31/1994 | US5317278 Switched active fault locate filter |
| 05/26/1994 | WO1994011989A1 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto |
| 05/26/1994 | WO1994011959A1 An apparatus and method for detecting potentially fraudulent telecommunication activity |
| 05/26/1994 | DE4236386C1 Monitoring FM radio transmitter - detecting mean power level of modulation multiplex signal to prevent over-modulation |
| 05/18/1994 | CN1086944A A method for controlling transmission power in a communication system |
| 05/17/1994 | US5313657 Receiver capable of reliably detecting a failure |
| 05/11/1994 | WO1994010774A1 Radio frequency communication network having adaptive communication parameters |
| 05/11/1994 | CA2148381A1 Radio frequency communication network having adaptive communication parameters |
| 05/05/1994 | DE4235453A1 Verfahren zur Signalklassifizierung bei FDM-Funkübertragungssystemen Method for signal classification in FDM radio transmission systems |
| 05/03/1994 | US5309477 Measurement of receiver sensitivity of a radio communication apparatus by radio and optical test signals |
| 04/28/1994 | WO1994009584A1 Method of determining an idle channel in fdm radio transmission systems |
| 04/28/1994 | DE4235915A1 Generating multipath reception interference simulation test signal - sampling and digitising analog FM HF signal by A=D converter to test radio receiver |
| 04/26/1994 | US5307409 Apparatus and method for fault detection on redundant signal lines via encryption |
| 04/19/1994 | US5305181 Arm or wrist mounted terminal with a flexible housing |
| 04/19/1994 | CA2006293C Non-intrusive transmission channel diagnostic device for a digital modem applied to a regenerative demodulator |
| 04/14/1994 | WO1994008402A1 Method and apparatus of estimating channel quality in a receiver |
| 04/14/1994 | DE4234052A1 Measurement of damping of stray radio field measurement position - using known antenna factors and coupling correction factor determined by manufacturer at reference measurement position |
| 04/13/1994 | EP0592041A1 Transmission system for a main signal and an auxiliary signal |
| 04/13/1994 | CN1085367A A method for forming a quality measure for signal bursts |
| 04/12/1994 | US5303262 Method and apparatus for triggering measurements from a TDMA signal |
| 04/07/1994 | DE4233222A1 Channel sounder measuring mobile radio channels - uses special, optimum test signal with several spectral lines having slight crest factor |
| 04/06/1994 | EP0590252A1 Mobile radio systems |
| 03/31/1994 | CA2100816A1 Mobile radio systems |
| 03/30/1994 | EP0589595A2 Method and apparatus for detecting a supervisory audio tone |
| 03/29/1994 | US5299228 Method and apparatus of reducing power consumption in a CDMA communication unit |
| 03/23/1994 | EP0588662A1 CN ratio measuring apparatus |
| 03/22/1994 | CA2101501A1 Method and apparatus for detecting a supervisory audio tone |
| 03/21/1994 | EP0586548A4 Radio frequency error detection and correction system. |
| 03/17/1994 | WO1994006227A1 A spectrum sharing communications system |
| 03/16/1994 | EP0586548A1 Radio frequency error detection and correction system. |
| 03/03/1994 | WO1994005119A1 Device for remote testing and maintenance of cable networks |