Patents for G08C 19 - Electric signal transmission systems (14,477) |
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06/16/1981 | CA1103357A1 Meter dial encoder for remote meter reading |
06/09/1981 | US4272822 Apparatus for converting a mechanical displacement to an electrical signal |
06/03/1981 | EP0029499A1 Data logger for test specimens |
06/02/1981 | CA1102411A1 Admittance measuring system for monitoring the condition of materials |
05/26/1981 | US4270077 Demodulatorless synchro position sensor apparatus utilizing square wave excitation |
05/26/1981 | US4270061 Current transformer input system for AC conversion devices |
05/26/1981 | CA1101964A1 Remote control transmitter |
05/20/1981 | EP0028640A1 Telemetry transmission system for analog and digital data from an implanted source |
05/19/1981 | US4268819 Synchro motor type instrument |
05/19/1981 | CA1101516A1 Remote control system |
05/12/1981 | US4267546 Alarm device for informing reduction of pneumatic pressure of vehicle tires |
05/05/1981 | USRE30597 Two wire current transmitter responsive to a resistive temperature sensor input signal |
05/05/1981 | CA1100589A1 Single wire power/signal system for vehicle auxiliary devices |
04/22/1981 | EP0027435A1 Device for remote control of hydraulic or pneumatic machine tools |
04/21/1981 | US4263591 Electric transmission system |
04/21/1981 | US4263580 Monitor system for operation of solenoid operated devices |
04/14/1981 | CA1099410A1 Data acquisition and display device |
04/14/1981 | CA1099346A1 Isolation circuit with duty cycle feedback |
03/24/1981 | CA1098202A1 Telemetry system |
03/18/1981 | EP0025077A1 A two-wire remote measuring system |
03/17/1981 | US4257010 Method and apparatus for sensing and maintaining oscillations in an oscillating system |
03/10/1981 | US4255743 Method for digital interpolation of a period of a three-phase analog signal |
03/10/1981 | US4255682 Multipolar resolver |
03/05/1981 | WO1981000619A1 A device for central reading and registration of customers'power consumption |
03/03/1981 | US4253914 Feeding device |
03/03/1981 | CA1096953A1 Remote istrumentation apparatus |
02/17/1981 | US4251812 Remote control system |
02/17/1981 | CA1096030A1 Remote control receiver |
02/10/1981 | US4250490 Two wire transmitter for converting a varying signal from a remote reactance sensor to a DC current signal |
02/10/1981 | CA1095606A1 Dual frequency narrow-band frequency modulated keyable control circuit and keying circuit therefor |
02/10/1981 | CA1095287A2 Electronic thermometer system |
02/03/1981 | CA1094847A1 Digital readout gauge |
01/27/1981 | US4247810 Angle to bipolar analog converter |
01/20/1981 | CA1094195A2 Sensors for sensing a plurality of parameters |
01/13/1981 | US4245347 Remote equipment control system with low duty cycle communications link |
01/06/1981 | CA1093212A1 Synchro-to-digital converter |
01/06/1981 | CA1093164A1 Biasing and scaling circuit for transducers |
12/30/1980 | US4242665 Two-wire transmitter |
12/30/1980 | US4242664 Remote control arrangement |
12/30/1980 | US4241509 Modular electronic apparatus for processing a plurality of measurement signals |
12/30/1980 | CA1092532A1 Kelly and saver sub combination with telemetering means |
12/23/1980 | US4241237 Apparatus and method for remote sensor monitoring, metering and control |
12/23/1980 | CA1092242A1 Method and apparatus for digital data transmission in television receiver remote control systems |
12/16/1980 | US4240067 Device for the transmission by load variation of an alternating analog signal from a sensor |
12/11/1980 | WO1980002784A1 Digital data communication system |
12/10/1980 | EP0020195A1 Multiplexer system forming an asynchronous interface for recording orders and controls |
12/10/1980 | EP0019920A1 Digital data communication system |
12/09/1980 | US4238781 Capacitive angular displacement transducer for remote meter reading |
12/02/1980 | US4237417 Signal transmission apparatus of two-wire type |
11/27/1980 | WO1980002498A1 Telemetry transmission system for analog and digital data from an implanted source |
11/25/1980 | US4236086 Apparatus for the detection and processing of electric signals |
11/11/1980 | CA1089537A1 Remote meter reading system |
11/04/1980 | US4232300 Level measuring system using admittance sensing |
11/04/1980 | US4232297 Remote control arrangement using pulse spacing modulator |
11/04/1980 | CA1089058A1 Adaptive compass drive radar system |
10/30/1980 | WO1980002339A1 Multiplex apparatus forming transparent and atemporal interface for recording orders and commands |
10/28/1980 | US4231094 Method and device for determining the phase intercept in a system employing phase-shift keying modulation |
10/28/1980 | US4231031 Remote control system capable of transmitting the information with the aid of an infra red beam using PPM or an ultrasonic beam using PDM |
10/28/1980 | US4231019 Remote control arrangement for a medical appliance |
10/28/1980 | CA1088638A1 Frequency selective detector circuit |
10/07/1980 | US4227259 Circuit for use in remote control of a signal receiver |
10/07/1980 | US4227144 Error compensation of synchro control transmitters |
09/30/1980 | US4225796 Frequency-to-current conversion circuit |
09/09/1980 | US4222041 Danger alarm system |
09/09/1980 | CA1085482A1 Data transmission system using analog to pulse width to digital conversion |
08/26/1980 | CA1084599A1 Detection and maintenance of oscillations |
08/20/1980 | EP0014653A1 System for conveying information between a transmitting centre and receiving stations, the system being provided with control means for gaining access to the conveyed information |
08/19/1980 | CA1084136A1 Sensor data input by means of analog to pulse width- to digital converter |
08/07/1980 | WO1980001635A1 Information transmission system between a transmission center and receivers,this system being provided with a control means for access to the transmitted information |
08/06/1980 | EP0013982A1 Method and apparatus for remote sensor monitoring, metering and control |
08/05/1980 | US4216391 Circuit arrangement for generating a binary-coded pulse train |
08/05/1980 | US4215582 Ultrasonic temperature measuring apparatus |
07/29/1980 | US4215349 Remote control system for an electrical apparatus |
07/29/1980 | US4215276 Remote control of electrical power distribution system and method |
07/23/1980 | EP0013318A1 Reconfigurable data entry terminal |
07/22/1980 | US4214231 In-bore telemetry information measuring system |
07/22/1980 | US4214229 Remote control apparatus |
07/22/1980 | CA1082346A1 Marine detector spread having arrays of different lengths |
07/08/1980 | US4211998 Method of and remote control apparatus for remotely controlling a medical appliance |
07/08/1980 | US4211235 Programmer for implanted pacer |
06/24/1980 | CA1080320A1 Variable modulus selective calling circuit |
06/24/1980 | CA1080307A1 Optical telemetry for aluminium reduction plant bridge cranes |
06/17/1980 | US4208654 Remote control transmitter |
06/17/1980 | US4208081 Easily reconfigurable data entry terminal |
06/10/1980 | US4207505 Measuring system |
06/10/1980 | US4207474 Sequential two tone detector |
06/03/1980 | US4206411 Radio controlled model aircraft control system |
06/03/1980 | US4206397 Two wire current transmitter with improved voltage regulator |
05/27/1980 | US4205327 Two wire current transmitter with adjustable current control linearization |
05/06/1980 | US4201979 Conveying data signals between relatively rotatable units |
05/06/1980 | CA1077167A1 Infrared line scanning instrument |
04/30/1980 | EP0010303A1 Signal conditioner |
04/29/1980 | US4200911 Control of the flow rate and fluid pressure in a pipeline network for optimum distribution of the fluid to consumers |
04/22/1980 | CA1076229A1 Two-wire transmitter with totalizing counter |
04/15/1980 | US4198621 Electrical remote sensing system |
04/15/1980 | US4198620 Remote control receiver |
04/15/1980 | CA1075791A1 Two-wire, multiple-transducer communications system |
04/08/1980 | CA1075339A1 Down hole pressure/temperature gage connect/disconnect method and apparatus |
04/02/1980 | EP0009102A1 A multipolar resolver |
04/01/1980 | US4195411 Remote gaging apparatus |