Patents
Patents for G06G 7 - Devices in which the computing operation is performed by varying electric or magnetic quantities (16,972)
07/1983
07/19/1983CA1150400A1 Apparatus for reproducing audio signals
07/19/1983CA1150368A1 Multiple pulse-width multiplier
07/13/1983EP0083409A2 Electrochemical cell simulator circuit
07/12/1983US4393351 Offset compensation for switched capacitor integrators
06/1983
06/21/1983US4389703 Integrated voltage multiplier
06/21/1983US4389673 Hadamard transformer using charge transfer devices
06/14/1983US4388694 Circuitry for simultaneously performing integration and division
06/14/1983US4388599 Piezoelectric elastic-wave convolver device
06/14/1983US4388540 Controllable multiplier circuit with expanded gain control range
06/07/1983US4387439 Semiconductor analog multiplier
06/07/1983US4387307 Electronic safety ski binding release
06/01/1983EP0080410A1 Device for determining and following the instantaneous coordinates of the extreme of a function y = f(x) characteristic of a system with an input x and an output y
06/01/1983EP0080234A1 Filter circuit incorporating a differential amplifier
05/1983
05/17/1983US4384257 Storage stabilized integrator
05/11/1983EP0078601A2 Amplifier circuit
05/11/1983EP0016812B1 Sonar transmitter for generating amplitude-modulated pulses
05/04/1983EP0078156A2 Methods of calibrating linearizing circuits
05/03/1983CA1145849A2 Electronic watthour meter
04/1983
04/26/1983US4380864 Method for providing in-situ non-destructive monitoring of semiconductors during laser annealing process
04/20/1983EP0077091A1 Multiplier circuit for stereo decoders
04/13/1983EP0076738A1 Complex operating unit, in particular for the analogue determination of fast Fourier transforms
04/13/1983EP0076737A1 Symmetrical integrator and use in a filter
04/12/1983CA1144636A1 Circuit arrangement for generating amplitude-modulated ultrasonic transmission pulses
04/05/1983US4379260 Dual-slope integrator
04/05/1983CA1144240A1 Tangent function generator for am stereo
03/1983
03/30/1983EP0075122A2 Integrater circuit with differential amplifier
03/29/1983CA1143828A1 Signal processing circuit having a non-linear transfer function
03/22/1983CA1143443A1 Circuit for monitoring the square of the rms value of a periodic signal
03/08/1983US4376292 Apparatus for erasing and reproducing audio signals
03/08/1983CA1142627A1 Analog computer circuit for controlling a fuel injection system during engine cranking
02/1983
02/23/1983EP0072741A2 Programmable gain integrator stage including means for offset voltage elimination
02/22/1983USRE31159 Flying method and system using total energy for an aircraft
02/22/1983US4375082 High speed rectangle function generator
02/15/1983US4374335 Tuneable I.C. active integrator
02/09/1983EP0071539A2 Method and apparatus for calibrating an analog-to-digital converter for a digital-to-analog converter test system
02/09/1983EP0071528A2 Offset compensation for switched capacitor integrators
01/1983
01/25/1983CA1140220A1 Method of and apparatus for producing a logarithmic representation of an input voltage
01/18/1983CA1139886A1 Analog-to-digital converter
01/05/1983EP0068435A2 Reciprocating compressor analog
12/1982
12/28/1982US4366550 Monolithic sequential processor for four-quadrant multiplier arrays
12/28/1982US4366396 Semiconductor circuit for transforming sequences of periodic a-c signals
12/28/1982CA1138226A1 Gas measurement and analysis system
12/21/1982US4365204 Offset compensation for switched capacitor integrators
12/14/1982CA1137329A1 Spectrophotometer
12/08/1982EP0066504A1 Method for analyzing a digital-to-analog converter with nonideal analog-to-digital converter
12/08/1982EP0066401A1 Non-linear amplifiers utilizing positive feedback
12/07/1982US4362995 Method of and apparatus for producing a logarithmic representation of an input voltage
12/07/1982US4362956 Absolute value circuit
12/07/1982CA1137182A1 Phase and amplitude programmable internal mixing saw signal processor
11/1982
11/30/1982US4361811 Differential amplifier system
11/23/1982US4360746 Diode and varistor simulator
11/16/1982US4359688 Frequency multiplying circuit for an optical encoder
11/16/1982CA1135526A1 Spectrophotometer
11/09/1982US4357823 Strain gauge simulator
11/02/1982US4357677 Hadamard converters employing charge transfer devices
10/1982
10/26/1982US4356449 Logarithmic attenuating circuit
10/26/1982US4355533 Gas measurement and analysis system
10/20/1982EP0063069A1 Temperature-independent acoustical wave treating system
10/12/1982US4354250 Switched-capacitor source resistor simulation circuit
10/12/1982US4354177 Method and apparatus for calibrating an analog-to-digital converter for a digital-to-analog converter test system
10/12/1982CA1133631A Method and apparatus for generating a digital facsimile signal
10/05/1982USRE31051 Regulator for controlling capacitor charge to provide complex waveform
10/05/1982US4353028 Measuring circuit for integrating electrical signals in a gamma camera
10/05/1982US4353000 Divider circuit
10/05/1982CA1133137A1 Electrocardiographic and blood pressure waveform simulator device
09/1982
09/28/1982US4352163 Vectorcardiogram simulator
09/22/1982EP0060662A1 Logarithmic amplifiers
09/21/1982CA1132206A1 Signal-processing circuitry with intrinsic temperature insensitivity
09/21/1982CA1132205A1 Device for modifying or controlling the shape of an electrical output signal
09/14/1982US4349886 Device for modifying or controlling the shape of an electrical output signal
09/14/1982CA1131782A1 Variometer for use in an aerodyne
08/1982
08/31/1982US4347592 Sonar
08/10/1982US4344065 Convergence indicator for marine and flight vehicles
08/10/1982US4344037 System and method for analyzing tonosignals
07/1982
07/28/1982EP0056516A2 Multiplier with frequency converter
07/27/1982US4341962 Electronic gain control device
07/27/1982CA1128661A1 System for providing an indication of wind shear
07/20/1982US4340938 Net oil computer
07/14/1982EP0055922A1 Adaptive equalizer for quadrature amplitude modulation
07/06/1982US4338527 Voltage-current conversion circuit
06/1982
06/30/1982EP0055148A1 Voltage adder and vertical scanning device, and television receiver comprising such an adder
06/29/1982US4337434 Compensator for slowly responding sensors
06/29/1982CA1126867A1 Device for controlling the quality of a synchronous digital transmission signal
06/23/1982EP0054027A1 Method and apparatus for determining heat loss
06/15/1982US4335444 Multiple pulse-width multiplier
06/15/1982US4335443 Electronic angle resolver
06/15/1982US4335373 Method for analyzing a digital-to-analog converter with a nonideal analog-to-digital converter
06/10/1982WO1982001949A1 Squarer
06/08/1982US4334216 Electronic device for monitoring the operation of a servo system including a hydraulic jack
06/08/1982CA1125368A1 Full-wave rectifier
06/01/1982US4333023 Temperature-stabilized logarithmic converter
05/1982
05/25/1982US4331869 Dynamic cardiac quality assurance phantom system and method
05/19/1982EP0052048A2 Method and apparatus for A/D and D/A converter testing
05/12/1982EP0051341A1 Method and apparatus for electro-optically convoluting signals
05/11/1982US4329651 Chirp filters/signals
05/04/1982US4328473 Isolated gate, programmable internal mixing saw signal processor
04/1982
04/27/1982US4327329 Electrical signal processing
04/20/1982US4326262 Universal signal generator and signal parameter comparator
04/15/1982WO1982001253A1 Electronic watt/var transducer
04/14/1982EP0049520A1 Electronic watt/var transducer