| Patents for G08C 25 - Arrangements for preventing or correcting errors; Monitoring arrangements (2,495) |
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| 12/01/1993 | EP0572204A1 Method and apparatus for automated sensor diagnosis |
| 11/24/1993 | EP0571176A2 Remote-control signal receiver |
| 11/16/1993 | US5262966 Data acquisition method in centralized remote-supervisory system and apparatus used therefor |
| 11/03/1993 | EP0568394A1 Remote control signal receiver |
| 10/31/1993 | CA2095185A1 Remote control signal receiver |
| 10/07/1993 | DE4315710A1 Information transmission procedure used between two automating systems - providing redundant partial systems verifying information at each end of transmission path for secure information transfer |
| 09/08/1993 | EP0558813A1 Method and device for controlling an electric component and for error feedback signaling |
| 08/12/1993 | DE4202759A1 Empfangsvorrichtung zum empfang von drahtlos uebermittelten informationen Receiving means for receiving wirelessly sent through information |
| 08/05/1993 | WO1993015578A1 Fire alarm |
| 08/05/1993 | WO1993015486A1 Receiver for the reception of wirelessly transmitted information |
| 08/03/1993 | US5233543 Device for generating a current corresponding to a quantity supplied to the device |
| 08/03/1993 | US5233341 Installation for the remote monitoring and control of the open and closed state of one among a plurality of contacts |
| 07/28/1993 | EP0540621A4 Remote actuating apparatus |
| 06/24/1993 | DE4141766A1 Electronic data transmission protection for remote control device - using synchronised time counting at transmitter and receiver to block operation by recorded remote control data signal |
| 06/22/1993 | US5222061 Data services retransmission procedure |
| 05/27/1993 | DE4138175A1 Transmission of coded instruction from transmitter to receiver - generating third frequency for first code value, and different fourth frequency for second code value |
| 05/12/1993 | EP0540621A1 Remote actuating apparatus. |
| 05/11/1993 | US5210523 Fire detection system |
| 03/10/1993 | EP0530553A1 Operating a system with remote control |
| 03/03/1993 | EP0529316A1 Room temperature control device |
| 02/24/1993 | EP0528657A2 Improved fiber optic pressure sensor systems |
| 02/22/1993 | CA2068033A1 Fiberoptic pressure sensor systems |
| 02/04/1993 | DE4125444A1 Automatic welding positioning device - with analog=digital transformer connected to sensor measuring direct current from sensor |
| 02/03/1993 | EP0525667A1 Remote control signal processing circuit for a microcomputer |
| 02/02/1993 | US5184121 Field sensor communication method and system |
| 12/15/1992 | US5172346 Method and apparatus for the remote control of a hearing aid means |
| 12/08/1992 | US5170161 Wireless transmitting-receiving apparatus for a bicycle |
| 11/19/1992 | EP0514244A1 Installation for remote control of a motorized mobile engine |
| 11/19/1992 | EP0514152A2 Method of error processing consisting of the transmission of dummy data if the reception memory is saturated |
| 11/19/1992 | EP0513688A1 Control apparatus and control method of a washing machine |
| 11/11/1992 | CN2121726U Adjustable multiway test device |
| 11/10/1992 | US5163056 Apparatus for carrying out serial control |
| 10/22/1992 | DE4212440A1 Verfahren zum feststellen von uebertragungsfehlern bei einem katastrophenverhuetungsueberwachungssystem A method for detecting transmission errors at a katastrophenverhuetungsueberwachungssystem |
| 10/22/1992 | DE4212260A1 Verfahren zum feststellen von uebertragungsfehlern bei einem katastrophenverhuetungsueberwachungssystem A method for detecting transmission errors at a katastrophenverhuetungsueberwachungssystem |
| 10/13/1992 | US5155846 System monitoring replies to continuously transmitted signal and discontinuing signal to force reset of remote system using watchdog timer |
| 09/30/1992 | EP0506318A1 Signal transmission system for trigger probe |
| 09/09/1992 | EP0502231A1 Method and arrangement for suppressing an interfering impulse in digital interpolation values in a position measuring device |
| 06/23/1992 | US5124991 Error correction for infrared data communication |
| 05/26/1992 | CA1301847C Data transmission method and device |
| 05/14/1992 | DE4035923A1 Coordinate measuring machine for workpiece measurements - with detection of mechanical vibration of machine frame to interrupt processing of measuring data |
| 05/14/1992 | DE4035710A1 Noise suppression method for sensor arrangement using transmitter and receiver - modulating random signal generated at transmitter and correlating received signal in evaluating circuit with random signal |
| 03/25/1992 | EP0476653A2 Monitoring device for multiplex data communication equipment |
| 03/18/1992 | CN1015946B Improved monitoring method and apparatus |
| 02/27/1992 | DE4023725A1 Measured value signalisation system - with interruption or short-circuit of measuring lines at measuring device |
| 02/13/1992 | DE4126449A1 Signal transmission system for vehicle controls - has two transmission lines coupled between sensors and respective control devices |
| 02/06/1992 | WO1992001979A1 Remote actuating apparatus |
| 02/05/1992 | EP0469174A1 Method for remotely controlling a hearing aid |
| 02/04/1992 | CA1295370C Radio trunking fault detection system |
| 12/31/1991 | CA1293787C Sensor output transmission system |
| 12/11/1991 | CN1056942A Digital-transmission multifunctional tester |
| 11/28/1991 | DE4016400A1 Sensor position monitor e.g. for sliding door installation - has stationary and mobile units interconnected by infrared links for data transmission and message relaying |
| 11/21/1991 | EP0457201A2 Device for generating a current corresponding to the input quantity of the device |
| 11/19/1991 | US5067076 Circuit arrangement for serial data transfer |
| 11/05/1991 | CA1291830C Multiplex wiring system |
| 10/30/1991 | EP0453957A2 Remote-control home electronics device |
| 10/29/1991 | US5062032 Installation for the control of several electrical receivers capable of being in at least two states |
| 09/11/1991 | CN1054515A Method and apparatus of spot sensor communication |
| 09/04/1991 | EP0275283B1 Low noise preamplification stage |
| 06/26/1991 | EP0433995A2 Remote instrument testing system |
| 06/06/1991 | DE3939541A1 Circuit for switching several remote control channels - has line searcher, interrogating cyclically all admitted remote control channels |
| 06/04/1991 | US5022029 Data transmission method and device |
| 05/28/1991 | US5019810 Apparatus for detecting malfunction of interface circuit in communication line between controllers in a vehicle control system |
| 05/02/1991 | EP0424907A2 System and method for communicating data between master and slave stations utilizing time division multiplex mode with failsafe provision applicable to automotive vehicles |
| 04/30/1991 | US5012087 Fiber optic safety system |
| 04/17/1991 | EP0422190A1 Installation for remote monitoring and control of the opening and closed state of one among a plurality of contacts. |
| 04/10/1991 | EP0421471A1 Communication method for a control device, consisting of a central unit and a plurality of peripheral units |
| 04/03/1991 | EP0420295A1 An RF transponder for use in an automatic/remote instrument monitoring system |
| 03/26/1991 | CA1282118C2 Automatic/remote rf instrument monitoring system |
| 03/07/1991 | WO1991003038A1 Remote control system |
| 03/06/1991 | EP0415655A2 Two-wire power and position control system |
| 02/28/1991 | DE3927838A1 Fernbedienungssystem Remote control system |
| 02/12/1991 | US4992784 Remote control set |
| 02/05/1991 | US4991229 Optical transmitter power measurement and control |
| 01/30/1991 | EP0410878A1 Method for analogue set point transmission by cable and system for carrying out this method |
| 01/17/1991 | DE4021258A1 Field sensor communication system - uses digital techniques to collect data from sensors and transmit analog current values |
| 01/16/1991 | CN1048617A 场传感器通信系统 Field sensor communication system |
| 01/01/1991 | US4982175 Telemetry circuit with noise immunization |
| 12/19/1990 | EP0402620A2 Wireless transmitting-receiving apparatus for a bicycle |
| 12/13/1990 | DE3918422A1 Instruction output circuit monitor for process controller - has measurement circuit with shunt for tapping output circuit resistance dependent voltage |
| 11/29/1990 | WO1990014650A1 System for transmitting and receiving remote control signals |
| 11/27/1990 | CA1277040C Microprocessor controlled signal discrimination circuitry |
| 11/20/1990 | CA1276687C Data transmission channel selection based on bit error rate |
| 10/24/1990 | CN1046405A Remote controlling device |
| 10/18/1990 | WO1990012411A1 Installation for remote monitoring and control of the opening and closed state of one among a plurality of contacts |
| 10/18/1990 | WO1990012380A1 Error correction for infrared data communication |
| 10/18/1990 | DE4010789A1 High energy laser power conductor failure optical detector |
| 10/13/1990 | CA2010154A1 Fiber optic safety system |
| 10/10/1990 | EP0391285A1 Optical transmitter power measurement and control apparatus |
| 10/10/1990 | EP0390920A1 Series controller |
| 09/11/1990 | CA1273754A1 Oiling agents based on sulfosuccinic acid monoamides |
| 08/30/1990 | DE3905735A1 Method for evaluating an input signal |
| 06/21/1990 | DE3932626A1 Remote controller indicator with microprocessor - has data command sent to main device and response display received back and checked |
| 05/29/1990 | US4928778 Remote control car starter |
| 04/17/1990 | CA1267936A1 Automatic/remote rf instrument monitoring system |
| 02/27/1990 | CA1266309A1 Request repeat method for data communication |
| 02/07/1990 | EP0354175A1 Installation for controlling a plurality of electrical receivers susceptible to occupy at least two states |
| 11/07/1989 | US4879476 Method and apparatus for transmitting signals |
| 10/17/1989 | US4875040 Device for remote control of electrical apparatus |
| 09/26/1989 | US4870697 Two-way communication system for winning machines in underground mining |
| 09/19/1989 | US4868508 Trouble detecting circuit for resistive sensor type indicator |