| Patents for G08C 23 - Non-electric signal transmission systems, e.g. optical systems (9,931) |
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| 02/22/1993 | CA2068033A1 Fiberoptic pressure sensor systems |
| 02/18/1993 | DE4126403A1 Ultrasonic data transmission method via machine part, pipe - combining transmission with security steps to increase reliability |
| 02/11/1993 | DE4126492A1 Coupling switch in light conductor signal lead - connects electro=optical transducer to opto-electrical transducer by mechanically operable multiway switch unit |
| 02/04/1993 | DE4125180A1 IR control adjuster switchgear for couch, chair, etc. - has IR receiver housing with externally fitted, radiation sensitive sensors |
| 01/26/1993 | US5182667 Method of receiving wavelength multiplex signals |
| 01/26/1993 | US5182543 Miniaturized data communication and identification system |
| 01/26/1993 | US5181934 Method for automatically adjusting the cutting drum position of a resource cutting machine |
| 01/21/1993 | DE4123489A1 Optical waveguide link for data and power transmission - has bidirectional data transmission light-guide and unidirectional power supply light-guide joining data generation and processing stations |
| 01/14/1993 | DE4123206A1 Remote control command transmission system - uses line network to link remote control transmitter location and controlled appts. location |
| 01/14/1993 | DE4122985A1 Tape player remote control device e.g. for tour commentary - uses control signal transmitter to provide signals from several receivers each associated with respective tape player |
| 01/07/1993 | WO1993000699A1 Phase advance for ambient light suppression in phototransistors |
| 01/07/1993 | EP0521048A1 A remote positional direction control device |
| 01/07/1993 | DE4221504A1 Automatic mobile service unit - works through common bus for the work stations to reduce wiring |
| 12/24/1992 | DE4210827A1 Verfahren zur fernbedienung A method for remote control |
| 12/15/1992 | US5172346 Method and apparatus for the remote control of a hearing aid means |
| 12/01/1992 | WO1992022048A1 Method of transmitting signals in an ir remote-control system |
| 12/01/1992 | CA2088046A1 Transmission method for an infrared remote control system |
| 11/19/1992 | EP0514078A1 Signal relay device |
| 11/19/1992 | EP0513443A1 Building management system |
| 11/11/1992 | EP0512185A1 Lifting device on a crane |
| 11/05/1992 | DE4204879A1 Fernbedienung Remote control |
| 11/04/1992 | CN1065945A Device for signalling position of mobile member |
| 10/21/1992 | EP0509920A1 Position signalling device of a movable component |
| 10/14/1992 | EP0508302A2 Laser disk playback system |
| 10/13/1992 | US5155748 For sampling an input signal |
| 09/29/1992 | US5150529 Signal transmission system for machine tools, inspection machines, and the like |
| 09/24/1992 | DE4127531A1 Automation system for industrial processing industry - controls drive systems via transmission link to maintain high level of synchronisation |
| 09/16/1992 | EP0503699A1 System for setting ambient parameters |
| 09/08/1992 | US5146521 Optical fibre communication network |
| 08/27/1992 | DE4105579A1 Measurement and assembly aid for vehicle mass production - has measurement level on steering wheel modulating infrared transmitter with associated receiver next to vehicle driving display for worker beneath vehicle |
| 08/25/1992 | US5142397 System for extending the effective operational range of an infrared remote control system |
| 08/20/1992 | WO1992014227A1 Optical process variable transmitter |
| 08/20/1992 | DE4202782A1 Coded information transmission system using IR light - uses preceding head telegram to identify information telegram format |
| 08/19/1992 | EP0499529A2 Optical loop back and line test apparatus |
| 08/19/1992 | EP0499519A1 Optical cable with a destruction device for the optical fibres of the cable |
| 08/18/1992 | US5140351 Remote meter reading method and apparatus |
| 08/06/1992 | DE4204658A1 Remote control for conveyor covering set area e.g. travelling crane - uses IR and ultrasonic transmitters in hand-held unit and receiver in conveyor with calculator ascertaining difference between propagation time of signals |
| 08/05/1992 | CN1017767B Electrooptical arrangement for remotely controlling electronic apparatus |
| 07/30/1992 | DE4101982A1 Two=way remote control system, e.g. for TV audio and video equipment - has separate control signal and operating parameter communications channels between remote controller and controlled equipment |
| 07/07/1992 | CA1304785C Long range multiple point wireless control and monitoring system |
| 07/01/1992 | EP0492061A2 Remote control system |
| 06/25/1992 | DE4041280A1 Radio remote control appts. for agricultural cultivator towed by tractor - has remote control transmitter in tractor and receivers installed in cultivator devices for reception of control signals |
| 06/17/1992 | EP0489899A1 Optical fibre parameter measuring device |
| 06/16/1992 | US5121971 Method of measuring uncut coal rib thickness in a mine |
| 06/04/1992 | DE4037600A1 Remote measured data acquisition for central station of gas or water network - receives data via medium carried by pipe network in form of acoustic pulse sequences transmitted from measurement points |
| 05/26/1992 | US5117421 Remote supervisory and controlling system |
| 05/12/1992 | US5113438 Method and apparatus for jamming infrared remote controls |
| 05/12/1992 | US5113068 Photoelectrical sensor with multistaged, filtered amplifier circuit |
| 05/07/1992 | DE4034578A1 Rotary signal coupling for measured sensor signals - has transformer acting as inductive coupling for transfer of power between stator and rotor |
| 05/05/1992 | US5111126 Stereo optical guidance system for control of industrial robots |
| 04/16/1992 | WO1992006278A1 Transmission of data in boreholes |
| 04/15/1992 | EP0480078A1 Measuring device with non-electrical signal- and energy transfer |
| 04/08/1992 | EP0479333A2 Wireless remote control system of electronic sets |
| 04/01/1992 | EP0478002A2 Wireless remote control system of electronic sets |
| 03/24/1992 | US5099193 Remotely controllable power control system |
| 03/17/1992 | CA1297537C Optically coupled remote sensor apparatus and system |
| 03/10/1992 | CA1296919C Distributed sensor array and method using a pulsed signal source |
| 03/04/1992 | EP0472752A1 Remote control apparatus with spread spectrum transmission link |
| 02/25/1992 | US5091640 Phase advance for ambient light suppression in phototransistors |
| 02/20/1992 | WO1992002981A1 Procedure for the control of an electric device |
| 02/18/1992 | US5089696 Network of sensors connected to a remote supply, monitoring and processing station |
| 02/11/1992 | US5087099 Long range multiple point wireless control and monitoring system |
| 02/11/1992 | CA1295726C Method and device for resetting data (particularly seismic data) acquisition equipments |
| 02/06/1992 | WO1992001968A1 Multi-mode remote control system |
| 02/06/1992 | DE4024843A1 Sensor assembly with energy supply and transmitter in sensor - has high power semiconductor laser as energy source with optical fibre coupling |
| 02/05/1992 | EP0469174A1 Method for remotely controlling a hearing aid |
| 01/29/1992 | EP0468304A2 Remote control system, particularly for electric domestic heating appliances |
| 12/30/1991 | WO1992000506A1 Optical fibre parameter measuring device |
| 12/30/1991 | CA2064874A1 Optical fibre parameter measuring device |
| 12/27/1991 | EP0462197A1 A method to use an optical fibre as a sensor. |
| 12/27/1991 | EP0462102A1 A method for detecting external influence on an optical cable. |
| 12/10/1991 | US5072113 Polarimetric fibre-optic sensor having deformation means |
| 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 |
| 11/19/1991 | US5066948 Receiver for use in remote control system |
| 11/19/1991 | CA2042846A1 Method of receiving wavelength multiplex signals |
| 11/12/1991 | US5065035 Optical data system having flash/receiver head for energizing/receiving information from a battery operated transmitter |
| 10/23/1991 | EP0453233A2 Eccentric core optical fiber |
| 10/21/1991 | CA2039079A1 Eccentric core optical fiber |
| 10/15/1991 | US5056235 Signal transmission system for machine tools, inspection machines, and the like |
| 10/09/1991 | EP0450799A2 Remote control transmit-receive system |
| 10/08/1991 | US5055775 Transmission device |
| 09/26/1991 | DE4009477A1 IR remote control terminal e.g. for telephone - has stored information sets converted into transmitted remote control signals |
| 09/25/1991 | EP0448152A1 Remote control system, and transmitter and receiver for such a system |
| 09/25/1991 | EP0448087A1 Electronic control of blinds with a plug-in control device |
| 09/22/1991 | CA2012865A1 Apparatus and method for transmitting condition data from a rotating member to a stationary device |
| 09/19/1991 | WO1991014246A1 A remote positional direction control device |
| 09/19/1991 | WO1991014077A1 System and method for transmitting and calculating data in shield machine |
| 09/19/1991 | DE4008168A1 Sensor output signal processing circuitry - has signal generator with transmitter, galvanically non-conductive transmit path and receiver |
| 09/05/1991 | DE4006546A1 Contactless measurement arrangement for moving object parameters - has electrical generator, measurement transducer and transmitter for contactless transfer of measurement values to stationary receiver |
| 09/04/1991 | EP0444337A1 Apparatus and method for transmitting data from a rotating member to a stationary device |
| 08/21/1991 | EP0442789A1 Remote control system, particularly to lock/unlock car doors |
| 08/14/1991 | EP0441713A1 Remote control system, particularly to lock/unlock car doors |
| 08/14/1991 | EP0441492A2 System and method for transferring data |
| 08/01/1991 | DE4002719A1 Product identification appts. - has two way microprocessor units with optical transmission appts. for communication |
| 07/31/1991 | EP0438757A2 Distributed multiplexed optical fiber bragg grating sensor arrangement |
| 07/25/1991 | DE4001561A1 Time-switched microwave equipment with electronic power controller - has opto-isolator in connection between time switch and mechanical switch operated by closure of door |
| 07/25/1991 | CA2008580A1 Device for controlling moving object |
| 07/04/1991 | DE4013921C1 Air pressure measuring device for aeroplane - has infrared energy source e.g. laser diode with driver feeding converter e.g. solar cell and storage capacitor |
| 06/19/1991 | EP0432922A2 An optical apparatus for electrically inter-coupling rotating and stationary devices |
| 06/11/1991 | US5023943 Electrooptical pointing device for remotely controlling electronic apparatus |