| Patents for H04B 17 - Monitoring; Testing (29,423) |
|---|
| 03/03/1994 | WO1994005100A1 A method for forming a quality measure for signal bursts |
| 03/01/1994 | US5291326 Optical signal transmission system, particularly optical cable television system, with monitoring and service-channel facilities |
| 03/01/1994 | CA1327386C2 Medium frequency mine communication system |
| 02/23/1994 | CN1082791A Monitoring device of communicating apparatus |
| 02/22/1994 | US5289504 Signal decoding method using both signal and channel state information |
| 02/16/1994 | EP0583027A1 Circuit for determining the field strength of FM transmitters |
| 02/15/1994 | US5287343 Network administration system |
| 02/15/1994 | CA1327061C Method for generating an alarm indication signal (ais) |
| 02/09/1994 | CN1081801A Cellular communications test system |
| 02/08/1994 | US5285473 System to generate switching criteria and equalize adaptively in data spectrum |
| 02/03/1994 | WO1994002999A1 Device for monitoring a message transfer unit |
| 01/20/1994 | WO1994001943A1 A method for controlling transmission power in a communication system |
| 01/18/1994 | US5280629 Technique for measuring channel delay |
| 01/18/1994 | US5280471 Arrangement and method for detecting interference in TDMA communications system |
| 01/11/1994 | US5278866 Radio communication apparatus with stored coding/decoding procedures |
| 01/06/1994 | WO1994000932A1 Cellular communications test system |
| 01/06/1994 | WO1994000922A1 Method and apparatus for objective speech quality measurements of telecommunication equipment |
| 01/06/1994 | CA2135176A1 Cellular communications test system |
| 01/04/1994 | CA1325828C Radio meter |
| 12/28/1993 | US5274496 Optical amplifying repeater with monitor and control function |
| 12/28/1993 | US5274367 Device for in-service monitoring of communication transmission equipment |
| 12/22/1993 | EP0574380A1 Method of and apparatus for identification of a monitoring signal at a base station in a radio telephone system. |
| 12/22/1993 | CN2150680Y Far-distance monitoring device for service work |
| 12/15/1993 | CN1079600A Sine measuring method of electric railway radio interference propagation property |
| 12/08/1993 | EP0334940B1 Method and apparatus for isolating faults in an antenna system |
| 11/24/1993 | EP0570547A1 Technique for measuring channel delay |
| 11/18/1993 | EP0569440A1 Cell-site simulator for mobile communication systems |
| 11/16/1993 | US5263175 Diversity repeater diagnostic method and apparatus |
| 11/16/1993 | US5262771 Method for addressing processor units |
| 11/11/1993 | WO1993022845A1 Frequency agile sharing technology (fast) for a personal communications service system |
| 11/11/1993 | CA2111688A1 Frequency agile sharing technology (fast) for a personal communications service system |
| 11/09/1993 | US5260972 Technique for determining signal dispersion characteristics in communications systems |
| 11/09/1993 | US5260943 TDM hand-off technique using time differences |
| 11/09/1993 | US5260819 Digital telemetry system and method for fault detection in optical transmission system |
| 10/28/1993 | WO1993021739A1 Mobile assisted handover using cdma |
| 10/28/1993 | CA2111703A1 Mobile assisted handover using cdma |
| 10/27/1993 | EP0567439A1 An arrangement for comparing subjective dialogue quality for mobile telephone systems |
| 10/26/1993 | US5257408 Method for seeking a communication system |
| 10/26/1993 | US5257407 Automatic antenna coupler fault detector and indicator |
| 10/25/1993 | WO1993022881A1 Method and apparatus for determining signal transmission quality levels of a transmitted signal |
| 10/20/1993 | EP0566551A2 Mobile assisted handover using CDMA |
| 10/20/1993 | EP0216941B1 Apparatus for analysing two-channel transmission/reflection characteristics |
| 10/20/1993 | CN1022531C Optical fiber telecommunication line comprising amplifiers of transmitted signals and amplifiers for said line |
| 10/14/1993 | WO1993020626A1 Radio channel fading simulator and method of simulating fading |
| 10/14/1993 | DE4213783C1 Radio communication network measuring data with fault detection - detects communication path failure to switch to alternate communication path configuration or radio frequency |
| 10/13/1993 | EP0564481A1 An arrangement for establishing a radio test loop. |
| 10/12/1993 | US5252961 System for monitoring status of plurality of repeaters |
| 10/12/1993 | US5252929 RF power amplifier |
| 10/06/1993 | CN1077031A Electric arc and radio frequency spectrum detection |
| 10/05/1993 | US5251216 Receiver gain control for radio telephone system |
| 09/30/1993 | DE4202677C1 Periodic signal appts. for signal transmission paths - tests quality by injecting digital square wave signal for evaluation by shift register and comparator together with reference |
| 09/28/1993 | US5249305 Radio frequency error detection and correction system |
| 09/23/1993 | DE4208439A1 Component testing system using HF electrical field - forms antenna as coaxial cable line with outer conductor connected to HF source or detector and inner to screened room |
| 09/22/1993 | CN1076565A Method and apparatus for broken link detect using |
| 09/15/1993 | EP0560075A1 Mobile testing equipment for GSM radio telephones |
| 09/14/1993 | US5245610 Digital radio mobile frequency supervision |
| 09/08/1993 | EP0559354A2 Method and apparatus for measuring worst case susceptibility of digital microwave radios to multipath fading |
| 09/01/1993 | EP0557873A2 Radio monitoring system |
| 09/01/1993 | EP0557800A1 Receiver distortion correction circuit and method |
| 08/24/1993 | US5239684 Radio communication apparatus having a function for displaying reception field strength and method of controlling the apparatus |
| 08/24/1993 | US5239666 Mobile detector using RSSI for vehicular repeater prioritization |
| 08/22/1993 | CA2088734A1 Mobile test set for a mobile-radio system |
| 08/18/1993 | EP0408580B1 Device for in-process monitoring of transmission systems |
| 08/17/1993 | US5237332 Receiver distortion correction circuit and method |
| 08/11/1993 | EP0408581B1 Process and device for addressing processing units |
| 08/10/1993 | US5235621 For a mobile telephone |
| 08/10/1993 | US5235327 Paging device with test and scan modes |
| 08/05/1993 | WO1993015568A1 Process for generating a signal indicating adjacent channel interference |
| 08/04/1993 | EP0395739B1 Process for controlling and/or monitoring and circuit arrangement for implementing the process |
| 08/03/1993 | US5233628 Computer-based bit error simulation for digital wireless communications |
| 08/03/1993 | US5233537 Very low frequency and low frequency transmitting antenna parameter monitoring system |
| 07/28/1993 | EP0552937A1 Optically-amplifying repeaters |
| 07/22/1993 | WO1993014572A1 Method and apparatus for broken link detect using audio energy level |
| 07/20/1993 | US5230091 Method and apparatus for tuning and compensating power levels in a radio telephone |
| 07/20/1993 | US5230087 Device for measuring various characteristics of a radio frequency signal |
| 07/20/1993 | US5230078 Method for a console to quickly monitor a group |
| 07/20/1993 | US5230077 Method of reducing the power requirements in a mobile radio receiver |
| 07/20/1993 | US5230076 Ionospheric sounding |
| 07/20/1993 | US5229876 Telemetry for optical fiber amplifier repeater |
| 07/20/1993 | CA2003617C Transmission line monitoring system |
| 07/07/1993 | EP0550151A1 Digital mobile radio communication apparatus |
| 07/07/1993 | CN1021535C Evaluation of information throughput from time-devision channel virtual circuits |
| 06/30/1993 | EP0532709A4 Interference detection and characterization method and apparatus |
| 06/24/1993 | WO1993012590A1 Spatial division multiple access wireless communication systems |
| 06/15/1993 | US5220680 Frequency signal generator apparatus and method for simulating interference in mobile communication systems |
| 06/07/1993 | WO1993011614A1 Technique for measuring channel delay |
| 05/26/1993 | EP0543007A1 Base station for a radio system with arrangement for monitoring quality of radio-transmission channels. |
| 05/18/1993 | US5212475 Method for generating an alarm inhibit signal |
| 05/18/1993 | CA2025264C Method and system for testing mobile communication system |
| 05/12/1993 | EP0541226A2 Scaling circuit |
| 05/06/1993 | DE4135684A1 Dual-channel line transmission system incorporating status monitoring - uses unemployed line device between employed devices for signal regeneration and provision of status information |
| 04/28/1993 | EP0539224A2 Detection of amplifier failure |
| 04/21/1993 | EP0537814A1 Multi-station bus system having means for polling and updating of globally relevant information, in particular a station address, and station for use in such system |
| 04/20/1993 | US5204878 Method of effecting channel estimation for a fading channel when transmitting symbol sequences |
| 04/15/1993 | WO1993007689A1 Method and apparatus for automatically identifying a program including a sound signal |
| 04/15/1993 | WO1993007687A1 Network with line monitoring system |
| 04/13/1993 | US5202817 Hand-held data capture system with interchangeable modules |
| 04/13/1993 | CA1316218C Mobile radio data communication system and method |
| 04/07/1993 | EP0535838A2 Digital audio interface in a GSM device |
| 04/06/1993 | US5201063 Setting of electronic circuits in a radio telephone |