Patents
Sitemap › G08 - Signalling › G08C - Transmission systems for measured values, control or similar signals › G08C 23 - Non-electric signal transmission systems, e.g. optical systems
Patents for G08C 23 - Non-electric signal transmission systems, e.g. optical systems (9,931)
06/1983
06/29/1983EP0082347A1 Circuit for the transmission of pulse-space modulated infrared signals for remote-control devices
06/28/1983US4390974 Seismic data telemetric system
06/15/1983EP0081454A1 Arrangement for measuring physical parameters with an optical sensor
06/14/1983US4388710 Submarine cable tension telemetering system
06/14/1983US4387594 Water level indicator having a remote and a local readout display
06/07/1983CA1147815A1 Ir remote control system
06/01/1983EP0080318A1 Optical appparatus for interrogation of the status of a switch
05/1983
05/31/1983CA1147393A1 System and method for measuring current in a high tension line using digital information transmitted by optical fibers
04/1983
04/26/1983CA1145154A1 Non-symmetrical overload protection device for differential pressure transmitter
04/19/1983US4380394 Fiber optic interferometer
04/06/1983EP0076228A1 Fibre-optical measuring device
04/06/1983EP0075701A1 Arrangement for the transmission of measured values to a distant location
04/06/1983EP0075699A1 Arrangement for the transmission of measured values to a distant location
03/1983
03/30/1983EP0075317A2 Cordless remote control apparatus
03/16/1983EP0074257A2 Monitoring system using redundant electro-optical modulators
03/16/1983EP0074055A2 Fiber optic pressure sensor
03/15/1983US4377006 IR Remote control system
03/15/1983CA1143073A1 Method and apparatus for an optical sensor utilizing semiconductor filters
03/09/1983EP0073644A2 An electronic identification method and means
02/1983
02/23/1983EP0072627A2 Fibre optic sensor with bonded dye
02/22/1983US4375106 Remote control circuit
02/15/1983US4374359 System and method of sensing current in high voltage transmission lines utilizing the transmission of digital information by optical fibers
02/01/1983US4371814 Infrared transmitter and control circuit
01/1983
01/11/1983CA1139395A1 Meter rotor rotation optical sensor
12/1982
12/15/1982EP0066964A2 Optical fiber position sensor
12/09/1982WO1982004310A1 Fiber optic interferometer
12/08/1982EP0066418A2 Sound operated start circuit
12/08/1982EP0066180A2 Optically coupled bidirectional transceiver
12/07/1982CA1137171A1 Regulator arrangement useful in an infrared remote control transmitter
11/1982
11/17/1982EP0064807A2 Improvements in or relating to profile change sensors
11/16/1982US4359672 Motor starter with optically coupled pushbutton station
11/16/1982US4359637 Feeler for a monitoring apparatus
11/02/1982US4357606 Multi-station telemetry system using fibre optics cables
10/1982
10/26/1982US4356396 Fiber optical measuring device with compensating properties
10/19/1982CA1133990A1 Optical signal transmitter
10/13/1982EP0062443A1 Sensitive optical fibres
10/06/1982EP0061884A1 Optical fibre sensor
09/1982
09/29/1982EP0061334A1 Liquid level gauge assemblies for providing remote and local displays of liquid level
09/22/1982EP0060629A1 Monitoring gaseous pollutants by laser scan
09/15/1982EP0059891A1 Optical slip ring assembly
09/08/1982EP0059593A1 Method of and apparatus for monitoring gaseous pollutants
09/01/1982EP0058801A1 Measuring apparatus using optical interference techniques
08/1982
08/24/1982US4346478 Fiber optical sensor system, preferably for measuring physical parameters
07/1982
07/20/1982US4340890 Arrangement for telemetrically monitoring moving machine parts
07/20/1982CA1128132A1 Measuring device for transmitting measuring signals via an optical link
07/06/1982CA1126995A1 Method and apparatus for holographically processing optical signals
06/1982
06/23/1982EP0054292A2 Fibre-optical measuring equipment
06/16/1982EP0053790A1 Fiber optical sensor system, preferably for measuring physical parameters
06/09/1982EP0053391A1 Fiber optical sensor system, preferably for use in automobile equipment
05/1982
05/11/1982US4329058 Method and apparatus for a Fabry-Perot multiple beam fringe sensor
05/11/1982US4328623 Telemetry gage system
04/1982
04/28/1982EP0050306A2 Fibre-optics measuring instrument
04/27/1982US4327362 Meter rotor rotation optical sensor
04/13/1982US4324981 Light transmission load control system
02/1982
02/24/1982EP0046421A1 Receiver for a signal-transmission system by electromagnetic, especially infra.red radiation
02/16/1982US4316141 Measuring device with optical signal transmission
01/1982
01/20/1982EP0044232A1 Portable digital dosimeter for measuring and monitoring ionizing radiation
01/20/1982EP0043929A2 Fibre optical measuring device
01/12/1982US4310767 Data interface between rotating and nonrotating members
12/1981
12/29/1981CA1115084A1 Optical measuring device using optical fibers
11/1981
11/11/1981EP0039475A1 Rotary annular signal data coupler
11/04/1981EP0038950A2 Instrument transformer with a ligt guide as sensitive element
11/03/1981CA1111958A1 Digital motor control method and apparatus for measuring-while-drilling
10/1981
10/27/1981US4296994 Method and apparatus for holographic processing
10/20/1981US4295738 Fiber optic strain sensor
10/13/1981US4294682 Data acquisition systems
09/1981
09/29/1981US4291976 Digital fiber optic position sensor
09/16/1981EP0035885A1 Optical position sensor
09/15/1981US4290146 Measuring device for transmitting measuring signals via an optical link
09/09/1981EP0035057A1 Device for data transmission between parts of a machine tool rotating relative to each other
08/1981
08/25/1981US4285244 Non-symmetrical overload protection device for differential pressure transmitter
07/1981
07/15/1981EP0031874A1 Electrical installation arrangement
07/08/1981EP0031404A1 Remote control circuit
04/1981
04/28/1981US4264896 Regulator arrangement useful in an infrared remote control transmitter
04/15/1981EP0026930A1 System for sensing current in high voltage transmission lines utilizing the transmission of digital information by optical fibers
03/1981
03/31/1981US4259584 Apparatus for transmitting signals
03/24/1981CA1098202A1 Telemetry system
03/05/1981WO1981000618A1 Fiber optic strain sensor
02/1981
02/03/1981US4249162 Remote control switch assembly
02/03/1981US4249076 Optical measuring device using optical fibers
12/1980
12/23/1980US4241456 Remote-controlled receiver
12/23/1980CA1092242A1 Method and apparatus for digital data transmission in television receiver remote control systems
12/16/1980US4240066 Cylindrical encoder for use with fiber optics
12/16/1980CA1091790A1 Electro-optical switching system
11/1980
11/18/1980US4234967 Optical signal transmitter
11/11/1980CA1089537A1 Remote meter reading system
10/1980
10/07/1980US4227075 Multichannel fiber optic control system
09/1980
09/23/1980CA1086401A1 Rotatable member abnormal condition alarm
09/03/1980EP0014848A2 Method and apparatus for an optical sensor utilizing semiconductor filters
08/1980
08/06/1980EP0013974A1 Method and apparatus for a Fabrey-Perot multiple beam fringe sensor
08/06/1980EP0013973A1 Method and apparatus for holographic processing
07/1980
07/22/1980US4214229 Remote control apparatus
07/22/1980CA1082055A1 Pneumatic control device for a movable member
07/15/1980US4213119 Remote meter reading system providing demand readings and load control from conventional KWH meters
06/1980
06/24/1980CA1080307A1 Optical telemetry for aluminium reduction plant bridge cranes
05/1980
05/14/1980EP0010682A1 Device for transmitting analogue signals over an optical link
04/1980
04/02/1980EP0009220A1 System for transmitting signals over an optical link
03/1980
03/04/1980US4191470 Laser-fiber optic interferometric strain gauge
02/1980
02/19/1980US4189713 Remote control systems
10/1979
10/30/1979CA1065211A1 Selective compressible control device for use by handicapped persons
1 ... 89 90 91 92 93 94 95 96 97 98 99 100