| Patents for H04B 17 - Monitoring; Testing (29,423) |
|---|
| 03/30/1993 | CA1315340C Control of optical systems |
| 03/24/1993 | EP0532709A1 Interference detection and characterization method and apparatus |
| 03/18/1993 | DE4130865A1 Digital signal information transmission system - carries out channel parameter estimates at different time points within preamble times |
| 03/18/1993 | DE4130864A1 Digital signal information transmission system - has search function integrated in Doppler frequency direction over integration interval |
| 03/18/1993 | DE4130863A1 Digital signal information transmission system - forms first sequences from scanning values of input signal and correlation weights |
| 03/17/1993 | EP0531345A1 Radio test loop for a radio transceiver. |
| 03/17/1993 | EP0531338A1 Radio test loop for a radio transceiver. |
| 03/17/1993 | EP0531333A1 Radio test loop for a radio transceiver. |
| 03/17/1993 | EP0531332A1 Radio test loop for a radio transceiver. |
| 03/11/1993 | CA2076061A1 Method of forming a channel estimate for a time-varying radio channel |
| 03/10/1993 | EP0530339A1 Method for identifying a supervising signal at a base station of a mobile telephone system. |
| 03/09/1993 | US5193210 Low power RF receiver |
| 03/09/1993 | US5193101 On-site system frequency sharing with trunking systems using spread spectrum |
| 03/02/1993 | US5191595 T1 digital communications system for in-service detection and identification of malfunctioning repeaters |
| 03/02/1993 | US5191594 For affecting a transmitted radio signal |
| 02/09/1993 | US5185570 Telecommunications signal detector |
| 02/02/1993 | US5184242 Supervisory circuit for optical repeater |
| 02/02/1993 | US5184081 Fault location |
| 01/28/1993 | DE4124617A1 Simulator for air control point of radio telephone - has signal paths from stationary station to mobile station, and vice=versa |
| 01/20/1993 | EP0524008A1 Transmitter with nonlinearity correction circuits |
| 12/23/1992 | WO1992022963A1 Base station for a radio system with arrangement for monitoring quality of radio-transmission channels |
| 12/23/1992 | CN2125891U Interruption audiofrequency signal measuring device |
| 12/22/1992 | US5173927 Frequency detector system on a digital phase locked loop |
| 12/08/1992 | US5170486 Apparatus for synthesizing a composite RF signal suitable for use as a test signal in testing adjacent channel rejection of radio receivers |
| 12/08/1992 | US5170413 Control strategy for reuse system assignments and handoff |
| 11/29/1992 | WO1992022142A1 Radio frequency error detection and correction system |
| 11/26/1992 | WO1992021183A1 Digital radio mobile frequency supervision |
| 11/24/1992 | US5166673 Method for controlling and/or monitoring a communication transmission equipment for transmission errors for the implementation of the method |
| 11/19/1992 | EP0513250A1 Base station for a radio system. |
| 11/12/1992 | DE4215422A1 Rueckfuehrungseinrichtung fuer ein diagnose-untersystem fuer eine entfernte basisstation Rueckfuehrungseinrichtung for a diagnosis-under system for a remote base station |
| 11/11/1992 | EP0512711A2 Device for measuring the quantity of electricity stored in a battery |
| 11/04/1992 | CN2121100U Float carrier dynamic measure signal generator |
| 11/03/1992 | WO1992019981A1 Hf background noise measurement in hf environments |
| 11/03/1992 | CA2102200A1 Hf background noise measurement in hf environments |
| 10/27/1992 | US5159708 Multipath detector for an fm tuner |
| 10/27/1992 | US5159704 Transceiver arrangement for optimizing received signal levels |
| 10/20/1992 | CA1309143C Apparatus and method for high speed determination of received rf signal strength indicator |
| 10/14/1992 | CN1018693B Signal integrity control technique for rf communication system |
| 10/14/1992 | CN1018690B Rapid receiver signal strength indication |
| 10/13/1992 | CA1308783C Mobile receiver unit having function for providing information of electric field intensity |
| 10/06/1992 | US5153764 Control of optical systems |
| 10/01/1992 | WO1992017005A1 Method for identifying a supervising signal at a base station of a mobile telephone system |
| 09/30/1992 | EP0505829A2 System for optical signal transmission, particularly optical cable TV system, with monitoring and service channel device |
| 09/29/1992 | US5151704 Method for simulating the effect of alternative antenna patterns on the coverage and interference pattern of a mobile radio system |
| 09/23/1992 | EP0505072A2 Signal strength indicator for receiver |
| 09/23/1992 | EP0504883A2 Terminal equipment and optical communication system using the same |
| 09/17/1992 | DE4108095A1 Noise generator for radio channel simulator - uses summated weighted outputs of shift register stages to provide Doppler spectrum |
| 09/16/1992 | EP0504061A1 Method and circuit for testing serial bidirectional transmissions |
| 09/08/1992 | US5146610 Discontinuous transmission muting/unmuting system with link continuity |
| 09/01/1992 | US5144643 Visual aid for VLF MSK signals |
| 09/01/1992 | US5144642 Interference detection and characterization method and apparatus |
| 08/26/1992 | EP0500362A2 Radio receiver capable of correcting the field strength measurement of a radio signal |
| 08/19/1992 | EP0428619A4 Mobile radio paging test system |
| 08/18/1992 | US5140703 Modulation distortion analyzer |
| 08/18/1992 | CA1306501C Monitoring system for radio communication apparatus |
| 08/18/1992 | CA1306500C Control technique for an rf communication system |
| 08/05/1992 | EP0497433A2 Phase controlled demodulation system for digital communication |
| 07/28/1992 | US5134643 Method and system for testing mobile communication systems |
| 07/23/1992 | WO1992012582A1 An arrangement for establishing a radio test loop |
| 07/22/1992 | EP0314724B1 Control of optical systems |
| 07/22/1992 | EP0183731B1 Characterisation of digital radio signals |
| 07/21/1992 | US5133083 Adjacent channel selectivity signal generator system |
| 07/21/1992 | CA1305526C Wristwatch receiver architecture |
| 07/16/1992 | WO1992013391A1 Cell-site simulator for mobile communication systems |
| 07/16/1992 | CA2100460A1 Cell-site simulator for mobile communication systems |
| 07/15/1992 | EP0494346A2 Surveillance receiver and method for monitoring a frequency band |
| 07/01/1992 | EP0492531A1 Arrangement and method for detecting interference in TDMA communications system |
| 06/24/1992 | EP0491062A1 Method for in-service monitoring of transmission systems of the electrical telecommunication technique and apparatus for implementing this method |
| 06/23/1992 | EP0667019A4 Hand-held data capture system with interchangeable modules. |
| 06/09/1992 | US5121074 Power amplifier |
| 06/09/1992 | CA1303137C Method and device for adding a low-speed digital channel to the highspeed digital channel of a communications link and removing it |
| 06/03/1992 | CN2106451U Audio frequency signal gap checking device |
| 05/26/1992 | US5117397 Planar wavefront simulator |
| 05/12/1992 | US5113336 Temperature compensated level detector |
| 04/28/1992 | US5109535 Apparatus for transmission-reception simulation test for microwave communication |
| 04/21/1992 | US5107488 Circuit arrangement for switching a digital service channel through a radio relay repeater |
| 04/03/1992 | CA2033375A1 Near field antenna measurement systems and methods |
| 04/01/1992 | EP0477463A1 Multipath detector for an FM tuner |
| 03/18/1992 | EP0474838A1 Base station transceiver diagnostics equipment. |
| 03/18/1992 | EP0474701A1 Remote confinement system. |
| 03/17/1992 | CA1297576C Ultrasonic transducer and current loop transmitter |
| 03/10/1992 | US5095482 Method of and apparatus of individually monitoring transmission sections of a communications transmission link |
| 03/03/1992 | US5093800 Global positioning system satellite signal simulator |
| 02/12/1992 | CN2096172U Monitor for facsimile and data communication |
| 02/05/1992 | EP0469669A2 Digital transmission system with regenerator for error transmission |
| 02/05/1992 | CN1058500A Optical fiber telecommunication line comprising amplifiers of transmitted signals and amplifiers for said line |
| 01/14/1992 | US5081707 Knowledge based radio |
| 01/08/1992 | EP0464911A2 Radio receiver with acoustic signal |
| 12/17/1991 | US5073975 Stop on station circuit including center channel detector |
| 12/12/1991 | WO1991019366A1 Radio test loop for a radio transceiver |
| 12/12/1991 | WO1991019365A1 Radio test loop for a radio transceiver |
| 12/12/1991 | WO1991019364A1 Radio test loop for a radio transceiver |
| 12/12/1991 | WO1991019363A1 Radio test loop for a radio transceiver |
| 12/08/1991 | WO1991019359A1 Interference detection and characterization method and apparatus |
| 12/08/1991 | CA2084507A1 Interference detection and characterization method and apparatus |
| 12/03/1991 | US5070536 Mobile radio data communication system and method |
| 11/27/1991 | EP0458768A1 A method for determining the transmission quality of a home traffic connection in a mobile radio system |
| 11/21/1991 | EP0457460A2 Spacediversity switching receiver |
| 11/14/1991 | DE4015272A1 Radio receiver with multiple stages - has reserve stage that is switched in if main receiver stage fails |
| 10/30/1991 | EP0454266A2 Receiver comprising a circuit for estimating frequency offset |