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