Patents for G06G 7 - Devices in which the computing operation is performed by varying electric or magnetic quantities (16,972) |
---|
01/06/1981 | CA1092944A1 Electro-hydraulic interface for a power tongs |
12/30/1980 | US4242640 Current discharge fast time constant amplifier |
12/30/1980 | US4242638 Circuit for monitoring the square of the RMS value of a periodic signal |
12/30/1980 | US4242634 Electronic multiplying circuits |
12/30/1980 | CA1092663A1 4-quadrant multiplier |
12/16/1980 | US4239983 Non-destructive charge transfer device differencing circuit |
12/10/1980 | EP0019618A1 Peak tracking correlator |
12/09/1980 | US4238831 Pulse interpolation method and apparatus |
12/09/1980 | CA1091295A1 Operational rectifier |
11/26/1980 | EP0019506A1 Charge substraction and charge quantity generation transfer device |
11/26/1980 | EP0019139A1 Multiple pulse-width multiplier |
11/18/1980 | US4234851 Logarithmic lock-in amplifier |
11/18/1980 | US4234804 Signal correction for electrical gain control systems |
11/14/1980 | EP0015283A4 Resistance measuring circuit and controller using the same. |
11/12/1980 | EP0018572A1 Semiconductor circuit for the amplitude modulation of a train of periodic alternating-current signals |
11/11/1980 | US4233664 Particle size meter |
11/11/1980 | US4233564 Apparatus for changing the scale of a logarithmic signal |
11/04/1980 | US4232233 Method for extending transistor logarithmic conformance |
10/28/1980 | US4231092 Method and system for electronic simulation of a freewheel |
10/28/1980 | US4230215 Control system for an MP refining unit receiving medium sweet charge oil |
10/28/1980 | US4229968 Gas measurement and analysis system |
10/28/1980 | CA1088639A1 Gain control circuit |
10/21/1980 | US4229703 Zero reference and offset compensation circuit |
10/15/1980 | EP0017267A2 Spectrophotometer |
10/15/1980 | EP0017244A1 Semiconductor circuit with pulse-controlled charge transfer devices |
10/15/1980 | EP0016812A1 Sonar transmitter for generating amplitude-modulated pulses. |
10/14/1980 | US4228366 Integrator circuit with limiter |
10/14/1980 | US4228355 Method for shortening response time of logarithmic measuring apparatus |
10/07/1980 | US4226539 Cylindrical body appearance inspection apparatus |
09/23/1980 | US4224683 Multiple-channel acousto-electric convolver |
09/23/1980 | US4224674 Control system for an N-methyl-2-pyrrolidone refining unit receiving heavy sweet charge oil |
09/23/1980 | US4224673 Control system for an MP refining unit receiving heavy sour charge oil |
09/23/1980 | US4224671 Arithmetic operation apparatus for an electronic watt-hour meter |
09/23/1980 | CA1086386A1 Acoustic wave storage convolver |
09/17/1980 | EP0015619A2 Spectrophotometer |
09/17/1980 | EP0015446A1 Non-destructive charge transfer device differencing circuit |
09/17/1980 | EP0015283A1 Resistance measuring circuit and controller using the same |
09/16/1980 | US4223271 Integrating circuit |
08/20/1980 | EP0014647A1 Two-dimensional acousto-electric device for the storing and processing of information |
08/19/1980 | US4218627 Electrical mean square voltage sensor |
08/12/1980 | US4217563 Surface wave phase correlator and monopulse radar system employing the same |
08/05/1980 | US4216421 Apparatus and method for the thermal simulation of a constant load electric motor |
08/05/1980 | CA1083259A1 System for simulating the characteristics of an electrical machine |
07/22/1980 | US4214174 Voltage multiplier employing clock gated transistor chain |
07/09/1980 | EP0013025A1 Long-term integrator for a low level voltage source |
07/09/1980 | EP0012985A1 Dual-slope integrator |
07/08/1980 | US4212064 Performance advisory system |
07/08/1980 | US4211981 Integrator with dielectric absorption correction |
06/24/1980 | US4209837 Programmable controller |
06/24/1980 | US4209759 Magnetoelastic surface wave interaction device |
06/24/1980 | US4209714 Logarithmic amplifier |
06/17/1980 | US4208712 Multi-unit optimization |
06/17/1980 | CA1079538A1 Electronic tachometer with variable bandwidth differentiator |
06/11/1980 | EP0012064A1 Electronic device to supervise the working of a hydraulic servoactuator |
06/10/1980 | US4207546 Phase and amplitude programmable internal mixing SAW signal processor |
06/10/1980 | US4207545 Linear SAW signal processor |
06/10/1980 | CA1079390A1 Detection of incipient damage in rolling contact bearings |
05/27/1980 | US4205386 Electrocardiographic and blood pressure waveform simulator device |
05/20/1980 | US4204261 Complex analog signal generator |
04/29/1980 | US4200843 Non-linear operational circuit |
04/29/1980 | US4200814 Multiplier with hall element |
04/22/1980 | US4199808 Inverse timer with non-interacting potentiometer settings |
04/22/1980 | US4199737 Magnetostatic wave device |
04/22/1980 | US4199261 Optical intensity meter |
04/22/1980 | CA1076220A1 Balanced synchronous detector circuit |
04/15/1980 | US4198675 Linearization technique for closed-loop acousto-optic modulators |
04/15/1980 | US4198607 Input circuit for a measuring amplifier device |
04/15/1980 | CA1075497A1 Electronic wheel balancer apparatus and method |
04/02/1980 | EP0009305A1 Low leakage integrator and carburator control system comprising this integrator |
04/01/1980 | US4196473 Remote position plotter |
03/25/1980 | US4195266 Commutating signal level translator |
03/20/1980 | WO1980000497A1 Sonar |
03/18/1980 | US4194171 Zinc oxide on silicon device for parallel in, serial out, discrete fourier transform |
03/18/1980 | CA1073980A1 Logic circuits and control systems incorporating such circuits |
03/04/1980 | US4192009 Coulometric device for performing time integration |
03/04/1980 | US4191933 Differential mixing surface acoustic wave signal processor |
02/26/1980 | US4190896 Circuits having substantially parabolic output versus linear input characteristics |
02/26/1980 | US4190895 Method and apparatus for rotating cartesian coordinate signals |
02/26/1980 | US4190805 Commutating autozero amplifier |
02/26/1980 | CA1072658A1 Omega-vor/dme positional data computer for aircraft |
02/12/1980 | US4188627 Display apparatus |
02/12/1980 | US4188560 Flanged cylindrical electron multipliers |
02/12/1980 | CA1071445A1 Temperature compensated antilogarithmic converter |
02/07/1980 | WO1980000201A1 Programmable controller |
02/05/1980 | US4187546 Computer-controlled oil drilling rig having drawworks motor and brake control arrangement |
02/05/1980 | US4187537 Full-wave rectifier |
02/05/1980 | US4186700 Low leakage integrator for carburetor control |
01/29/1980 | CA1070840A1 Cross-correlation arrangement |
01/09/1980 | EP0006773A2 Improved variometer |
01/08/1980 | CA1069581A1 Motor protector with remote temperature simulation |
01/01/1980 | US4181904 Acoustic-wave convolvers utilizing diffused waveguides and beam compression techniques |
12/27/1979 | WO1979001119A1 Peak tracking correlator |
12/25/1979 | US4180859 System for measuring the speed of rotation of a synchro by means of a sampling technique |
12/25/1979 | US4180858 Purge control for ammonia synthesis process |
12/25/1979 | CA1068824A Root mean square detector |
12/18/1979 | CA1068409A1 Determination of parameters of an autocorrelation function |
12/13/1979 | WO1979001079A1 Improved variometer |
12/12/1979 | EP0006053A1 Charge coupled differential device; filter and delay line comprising such a device |
12/12/1979 | EP0005808A1 Arrangement for the generation from n binary signals of digital signals with 2n levels |
12/11/1979 | CA1067714A1 Automatic computing colour meter |