| Patents for G08C 19 - Electric signal transmission systems (14,477) |
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| 01/12/1988 | US4719530 Lightning protection system for a remote control circuit utilizing an isolation transformer |
| 01/05/1988 | US4717907 Remote parameter monitoring system with location-specific indicators |
| 12/22/1987 | US4713967 Method and apparatus for measuring a water condition |
| 12/15/1987 | US4713837 Communication network |
| 12/12/1987 | CN86208826U Radio transmission system for hydrologic track cable survey signal |
| 12/08/1987 | US4712106 Phase analog encoding system with compensation |
| 12/03/1987 | WO1987007419A1 System for remote transmission of angle of rotation and of force between driving and driven shafts |
| 12/02/1987 | EP0247883A2 A digital remote control transmission apparatus |
| 12/02/1987 | EP0247376A2 Digital remote control device |
| 11/24/1987 | US4709233 Single line pair power control system with multi-station capability |
| 11/19/1987 | WO1987007065A1 Arrangement for signal transmission in a measurement circuit |
| 11/19/1987 | WO1987007064A1 Arrangement for signal transmission in a measurement circuit |
| 11/19/1987 | EP0245606A2 Automatic/remote RF instrument reading system |
| 11/19/1987 | EP0245469A1 Bi-directional data telemetry system |
| 11/11/1987 | EP0244808A1 Arrangement for signal transmission in a measuring arrangement |
| 11/11/1987 | EP0244807A1 Arrangement for signal transmission in a measuring arrangement |
| 11/05/1987 | DE3614832A1 Isolating signal transmission circuit |
| 11/04/1987 | EP0244384A2 An automatic utility meter reading and monitoring system |
| 11/04/1987 | EP0042350B1 Universal analog signal to digital signal interface |
| 11/04/1987 | CN87101588A Digital telecontrol apparatus |
| 11/03/1987 | US4704607 System for remotely adjusting a parameter of an electrical circuit within an enclosure |
| 11/03/1987 | US4703650 Circuit for the coding of the value of two variables measured in a tire, and device for monitoring tires employing such a circuit |
| 11/03/1987 | CA1228924A1 Method of digital process variable transmitter calibration and a process variable transmitter system utilizing the same |
| 10/27/1987 | EP0157766A4 Data encoding and synchronization for pulse telemetry. |
| 10/22/1987 | WO1987006380A1 Local control system for domestic appliances and alarm devices |
| 10/22/1987 | DE3612767A1 Remote controller between tractor and implement - has quick-change connector to keyboard and to implement controller to allow for functions of different implements |
| 10/14/1987 | EP0240761A1 Meter data gathering and transmission system |
| 10/13/1987 | CA1228184A1 Centerpoint automatic meter reading system |
| 10/06/1987 | US4698628 Method and apparatus for transmission of data with data reduction |
| 10/06/1987 | CA1227663A1 Variable current pressure transducer system |
| 09/30/1987 | EP0239133A1 Washing-machine provided with a piezoelectric communication device |
| 09/29/1987 | CA1227356A1 Electronics for fiber optic vortex shedding flowmeter |
| 09/23/1987 | EP0238349A2 Device for controlling a motor-driven power steering system for a vehicle |
| 09/22/1987 | US4695840 Remote switch position determination using duty cycle modulation |
| 09/16/1987 | EP0237419A1 Remote meter-reading device |
| 09/09/1987 | EP0115717B1 Apparatus for radio and cable transmission of signals between a central control and recording system and data acquisition units |
| 09/02/1987 | EP0234948A2 Data transmission system |
| 09/01/1987 | US4691328 On-line serial communication interface from a computer to a current loop |
| 08/25/1987 | CA1226065A1 Method of and apparatus for the measurement of subterranean atmospheric parameters |
| 08/25/1987 | CA1225852A2 Method of and apparatus for the measurement of subterranean atmospheric parameters |
| 08/19/1987 | EP0232606A2 Slip ring/brush assembly for torque transducers |
| 08/12/1987 | EP0232007A2 Processing optically generated signals |
| 08/12/1987 | EP0231980A2 Method for transmitting measuring signals of at least two sensors via an opticaltransmission link |
| 08/11/1987 | US4686658 For transmitting signals through a fluid |
| 08/11/1987 | US4686531 Capacitance height gage applied in reticle position detection system for electron beam lithography apparatus |
| 08/11/1987 | US4686529 Remote-control lock system |
| 08/04/1987 | US4684944 Remote control system for rotary device |
| 07/21/1987 | US4682342 Signal transmission system |
| 07/21/1987 | US4682151 Position to duty cycle conversion apparatus and method |
| 07/16/1987 | WO1987004123A1 Circuit for transmitting values measured at vehicle wheels |
| 07/15/1987 | EP0228424A1 Circuit for exploiting telecontrol signals |
| 07/08/1987 | EP0228180A1 Systems to display saw blade angle and height |
| 07/07/1987 | CA1223962A2 Method of and apparatus for the measurement of subterranean atmospheric parameters |
| 07/01/1987 | EP0227617A2 System for transmitting commands, particularly to motor-driven transport means |
| 07/01/1987 | EP0226709A2 Circuit for the multiple use of a cable with a plurality of conductors |
| 06/30/1987 | US4677644 Method and apparatus for remote signalling by substituting a message for the data conveyed by a digital transmission link |
| 06/23/1987 | US4675674 Arrangement for the distribution and/or extraction of signals |
| 06/23/1987 | US4675672 Control system for enabling a plurality of different functions |
| 06/02/1987 | US4670875 Multiplexed dual tone multi-frequency encoding/decoding system for remote control applications |
| 05/26/1987 | US4668950 Encoding apparatus and method for a position coded pulse communication system |
| 05/21/1987 | WO1987003156A1 Bi-directional data telemetry system |
| 05/13/1987 | EP0221401A1 Rotating data transmission device |
| 05/13/1987 | CN86107097A Two wires communication mode |
| 05/13/1987 | CN86102080A Stylus type recording apparatus |
| 05/05/1987 | US4663499 Method for transmitting messages between a central station and several distant stations |
| 04/22/1987 | EP0219120A2 Two-wire communication system |
| 04/16/1987 | DE3536591A1 Signal shaper |
| 04/07/1987 | US4655421 Method for the transmission of informations and/or instructions |
| 03/31/1987 | US4654869 Information collecting and forwarding apparatus |
| 03/24/1987 | US4652877 Meter data gathering and transmission system |
| 03/24/1987 | US4652876 Remote switch position determination using constant current signaling |
| 03/19/1987 | DE3533278A1 Circuit arrangement for floating signal transmission |
| 03/18/1987 | EP0214915A2 Information collecting and forwarding apparatus and method of operating such an apparatus |
| 03/18/1987 | CN85106546A Mutual-inductance carrier equipment for mine production |
| 03/17/1987 | US4651151 Single-channel measuring head for remote metering apparatus |
| 03/17/1987 | US4649758 Torque sensing apparatus |
| 03/17/1987 | US4649726 For determining the bend in a section of a pipe |
| 03/11/1987 | EP0213768A2 On-line serial communication interfaces |
| 03/11/1987 | EP0213767A2 Current loop arrangements |
| 03/11/1987 | CN85205818U Portable 12 guide transceiver for electrocardio telemetering |
| 03/10/1987 | US4649399 Pen recorder |
| 03/10/1987 | US4649386 Data acquisition |
| 03/04/1987 | EP0212897A2 On-line serial communication interfaces |
| 03/04/1987 | EP0212896A2 Current loop arrangements |
| 03/04/1987 | EP0212326A2 Circuit for the remote control and surveillance of actuators |
| 03/04/1987 | EP0212247A2 Measuring arrangement with a plurality of measuring units |
| 03/03/1987 | US4647905 Improved pulse-width-modulation signal converter |
| 02/26/1987 | EP0116625A4 Multiple simultaneous tone decoder. |
| 02/25/1987 | EP0211504A2 Voltage pulse to current regulating converters |
| 02/24/1987 | USRE32361 Implantable telemetry transmission system for analog and digital data |
| 02/17/1987 | US4644103 Tone-responsive circuit for activating an instrumentality interfacing system |
| 02/11/1987 | CN86101517A System for preventing articles from losing and giving warnings |
| 02/10/1987 | US4642634 Optical encoder |
| 02/10/1987 | CA1217866A Phase analog encoding system with compensation |
| 02/10/1987 | CA1217850A Method and system of data transmission for a borehole logging tool |
| 02/03/1987 | CA1217540A1 Remote meter display unit |
| 01/27/1987 | US4639912 Signal transmission apparatus |
| 01/27/1987 | US4639728 Method of and system for accumulating verifiable energy demand data from remote electricity meters |
| 01/15/1987 | WO1987000325A1 Circuit for exploiting telecontrol signals |
| 01/15/1987 | WO1987000127A1 Circuit for coding the value of two magnitudes measured in a tire, and device for monitoring tires by using said circuit |