Patents
Patents for G06G 7 - Devices in which the computing operation is performed by varying electric or magnetic quantities (16,972)
03/1989
03/09/1989WO1989002192A1 Switched capacitor circuit
03/09/1989WO1989002189A1 Temperature compensated logarithmic amplifier
03/09/1989DE3728173A1 Logarithmic signal converter
03/07/1989US4810921 Elastic surface wave device
02/1989
02/28/1989US4809213 Two-track convolver operating with acoustic waves and with suppression of self-convolution signals
02/28/1989CA1250625A1 Broad band integrator
02/23/1989DE3727053A1 Electronic multiplier
02/21/1989US4806880 High speed integrator for data recovery and a costas phase-locked-loop circuit incorporating same
02/08/1989EP0302553A1 Electric circuit for use in an A/D converter
01/1989
01/26/1989WO1989000739A1 Multiphase multiplier
01/25/1989EP0300265A2 Digital tone detection method
01/24/1989US4800518 Differential correlator circuit
01/17/1989US4799184 Convolver arangement with acoustic waves
12/1988
12/29/1988WO1988010476A1 System for category recognition of analog pattern
12/28/1988CA1247745A Multi-channel redundant processing systems
12/14/1988CN87101057A Computerized autocontrol system for simulation engineering of marine submergence
12/06/1988US4789837 Switched capacitor mixer/multiplier
12/06/1988CA1246165A1 Active transconductance filter device
11/1988
11/29/1988CA1245771A1 Intelligent processor/memory elements and systems
11/22/1988US4786970 Logarithmic amplifier
11/22/1988US4786831 Integrating capacitively coupled transimpedance amplifier
11/22/1988CA1245358A1 Electronic traffic regulation and information system
11/02/1988CN88200948U Automatic instruments process simulator
10/1988
10/26/1988EP0288119A1 Detection arrangement for detection of signal variations in a signal
10/18/1988US4779053 Square root circuit with voltage-time multiplier
10/12/1988EP0286166A1 Arrangement for converting a first electric signal into a second electric signal
10/12/1988CN87102520A Components for operational amplifier with high impedance and low leakage current
10/11/1988US4777472 Modified cascode amplifier
10/04/1988US4775852 Apparatus for compensating digital to analog converter errors
09/1988
09/29/1988DE3708759A1 Variably adjustable attenuator
09/22/1988WO1988007131A1 Mass flow fuel injection control system
09/21/1988EP0282978A2 Surface acoustic wave convolver with dielectric film of high non-linear effect
09/13/1988US4771196 Electronically variable active analog delay line
09/07/1988WO1988006770A1 Cmos analog multiplying circuit
09/06/1988CA1241780A1 Graphics display terminal and method of storing alphanumeric data therein
08/1988
08/24/1988EP0016812B2 Sonar transmitter for generating amplitude-modulated pulses
08/16/1988US4764892 Four quadrant multiplier
07/1988
07/27/1988EP0276068A2 An associative computation network
07/26/1988US4760346 Switched capacitor summing amplifier
07/26/1988US4760345 Charge amplifier circuit
07/26/1988US4760287 Voltage comparator circuit
07/12/1988US4757309 Graphics display terminal and method of storing alphanumeric data therein
07/05/1988US4755963 Highly parallel computation network with means for reducing the algebraic degree of the objective function
06/1988
06/29/1988EP0272296A1 Opto-electronic scale reading apparatus.
06/29/1988CN87107776A 模糊计算机 Fuzzy computer
06/28/1988US4754226 Switched capacitor function generator
06/22/1988EP0271549A1 Interpolation apparatus.
06/15/1988EP0271294A1 Knock detection circuit
06/14/1988US4751443 Servo simulator
06/14/1988US4751402 Device for generating a signal having a complex form by linear approximations
06/14/1988US4750464 Mass flow fuel injection control system
06/01/1988CN85100582B Programmable pulse interference imitator
05/1988
05/25/1988EP0268182A2 Fuzzy computers
05/24/1988US4746871 Differential switched capacitor integrator using a single integration capacitor
05/24/1988CA1237192A1 Method and apparatus for simulating outer ear free field transfer function
05/17/1988US4745309 Adjustable RMS circuit
05/10/1988US4743969 Correlator
05/10/1988US4743853 Nuclear spin tomograph
05/04/1988EP0265637A2 Pulse shaper
04/1988
04/26/1988US4740908 Analog accumulator
04/26/1988US4740776 Apparatus for compensating digital to analog converter errors
04/12/1988US4737929 Highly parallel computation network employing a binary-valued T matrix and single output amplifiers
04/12/1988US4737928 High accuracy random channel reproducing simulator
04/12/1988US4737668 Circuit arrangement for reducing the settling time of logarithmic amplifiers
04/05/1988US4736434 MOSFET analog signal squaring circuit
03/1988
03/29/1988US4734879 Analog computing method of solving a second order differential equation
03/16/1988CN87206757U Accumulator for curve-recording
03/15/1988US4731747 Highly parallel computation network with normalized speed of response
03/02/1988EP0157799B1 Common mode signal detector
03/02/1988CN86105812A Wide band multiplier
03/01/1988US4729114 Signal processing circuit for instantaneous fourier transformation
03/01/1988US4729113 Method and arrangement for recovering an analogue signal
03/01/1988US4728881 Circuit for providing a controlled resistance
02/1988
02/24/1988CN85204759U Intellectual analogue plate for computers
01/1988
01/27/1988EP0254465A2 Servo simulator
01/26/1988US4721920 For the implementation of an electrical filter
01/20/1988EP0253016A1 Charge amplifier circuit
01/12/1988US4719587 Future behavior equipment predictive system
01/12/1988CA1231454A2 Signal processing and synthesizing method and apparatus
01/07/1988EP0250763A1 Differental summing amplifier for inputs having large common mode signals
12/1987
12/30/1987WO1987007944A1 Opto-electronic scale reading apparatus
12/30/1987WO1987007943A1 Interpolation apparatus
12/29/1987US4716375 Switched-capacitor multiplier circuit
12/29/1987US4716319 Switched capacitor filter for low voltage applications
12/22/1987US4715064 Adaptive hybrid circuit
12/22/1987US4714844 Logarithmic compression circuit
12/16/1987CN86103895A 处理机模件 Processor module
12/01/1987US4710771 Computer image display apparatus
12/01/1987US4710726 Semiconductive MOS resistance network
11/1987
11/26/1987DE3616938A1 Electrical circuit for generating an analog output signal, representing a trigonometric function value, from an analog input signal representing an argument value
11/26/1987DE3616937A1 Homomorphous system for non-linear processing of analog signals
11/26/1987DE3616936A1 Switch-capacitor network for non-linear processing of analog signals
11/25/1987EP0246315A1 Digital-to-analog converter
11/24/1987US4709224 Digital-to-analog converter
11/03/1987US4704677 Output control device for electrical apparatus
10/1987
10/21/1987EP0242110A2 Neural network for minimizing an energy function
10/21/1987EP0242109A2 Parallel computation network
10/21/1987EP0242098A2 Parallel computation circuit
10/14/1987EP0240830A2 Voltage comparator circuit
10/13/1987US4700297 Relocation management and reporting system