Patents
Patents for G08C 23 - Non-electric signal transmission systems, e.g. optical systems (9,931)
10/1979
10/23/1979CA1065043A1 Receiving system of telemetering signal
10/02/1979US4169353 Pneumatic control device
09/1979
09/25/1979CA1063229A1 System for collecting information in water
06/1979
06/27/1979EP0002435A1 Remote control for controlling and switching variable and fixed functions and parameters in telecommunication equipment
06/27/1979EP0002434A1 Remote control for the controlling and switching and the commuting of functions and of control magnitudes in telecommunication equipment
05/1979
05/29/1979US4156810 Transmitting device of light signal for remote control
04/1979
04/24/1979US4151407 Low-power, infrared information transmission system
04/24/1979CA1053084A1 Differential pressure indicator including remote sensing means
04/17/1979US4150284 Medical patient condition monitoring system
04/03/1979US4147222 Acoustical underwater communication system for command control and data
10/1978
10/10/1978US4119948 Remote meter reading system
10/03/1978US4117863 Control device for operation by the mouth of a handicapped person
09/1978
09/26/1978US4117460 Sensing device
07/1978
07/18/1978US4101878 Self-cut-off power switch for a remote controlled electronic equipment
07/04/1978US4099163 Method and apparatus for digital data transmission in television receiver remote control systems
05/1978
05/23/1978US4091357 Receiving system of telemetering signal
05/23/1978US4091276 Remote control switching
05/23/1978US4091273 Electro-optical switching system
04/1978
04/25/1978US4086564 Electronic alarm circuitry
03/1978
03/07/1978US4078236 Remote switching apparatus
02/1978
02/14/1978US4074234 Control system for an aerial device
01/1978
01/17/1978US4069469 System for collecting information in water
01/10/1978US4067329 Tube disconnection warning device
12/1977
12/27/1977US4065747 Acoustical underwater communication system for command control and data
12/27/1977US4064806 Ultrasonic remote control system
05/1977
05/17/1977US4024502 Device for remote control of electrical power units
03/1977
03/08/1977US4010708 Differential pressure indicator including remote sensing means
10/1976
10/19/1976US3986399 Filled-in-fluid and diaphragm type intermediate device for transmitting pressure
06/1976
06/15/1976US3962911 Method and apparatus for coupling signals from a rotating device with end shafts exposed
04/1976
04/06/1976US3949366 Remote control system for electrical power outlet
03/1976
03/09/1976US3943491 Ultrasonic digital receiver
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