| Patents for G06G 7 - Devices in which the computing operation is performed by varying electric or magnetic quantities (16,972) |
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| 04/03/1990 | US4914708 System for self-organization of stable category recognition codes for analog input patterns |
| 03/27/1990 | US4912469 Interpolation circuit for use in A/D converter |
| 03/27/1990 | US4912356 Saw slanted array correlator (SAC) with separate amplitude compensation channel |
| 03/13/1990 | US4908529 Logarithmic amplifier comprising MESFET distributed amplifiers connected in cascade |
| 03/07/1990 | EP0356556A1 Multi-input four quadrant multiplier |
| 03/06/1990 | US4906873 CMOS analog four-quadrant multiplier |
| 03/06/1990 | US4906865 Sample and hold circuit for temporal associations in a neural network |
| 03/06/1990 | US4906836 Integrated circuit using logarithmic amplifier |
| 02/28/1990 | EP0355293A2 Method and apparatus for interpolating between data samples |
| 02/27/1990 | US4904921 Monolithic interface circuit for linear variable differential transformers |
| 02/13/1990 | US4900969 Surface acoustic wave convolver |
| 02/06/1990 | US4899064 Absolute value differential amplifier |
| 02/06/1990 | CA1265622A1 Digital-to-analog converter |
| 01/31/1990 | EP0352906A2 Differential non-linear amplifier |
| 01/31/1990 | EP0352790A2 Integrator and active filter including integrator with simple phase compensation |
| 01/31/1990 | EP0352274A1 Mass flow fuel injection control system. |
| 01/30/1990 | US4897656 Complementary voltage interpolation circuit with transmission delay compensation |
| 01/24/1990 | EP0351835A2 Logarithmic amplification circuit for obtaining output voltage corresponding to difference between logarithmically amplified values of two input currents |
| 01/23/1990 | US4896156 Switched-capacitance coupling networks for differential-input amplifiers, not requiring balanced input signals |
| 01/17/1990 | CN1038891A Hot plate mill simulator |
| 01/16/1990 | US4894620 Switched-capacitor circuit with large time constant |
| 01/16/1990 | US4894576 Surface-acoustic-wave convolver |
| 01/10/1990 | EP0350155A2 Gain cell with digital control |
| 01/10/1990 | EP0349533A1 Cmos analog multiplying circuit. |
| 01/09/1990 | US4893092 Operational amplifier circuit |
| 01/03/1990 | EP0349162A2 Methods of generating waveforms |
| 01/03/1990 | EP0349007A2 Semiconductor integrated circuit for neural network |
| 01/02/1990 | US4891603 Logarithmic amplifier |
| 12/26/1989 | US4890055 Compensated chirp fourier transformer |
| 12/20/1989 | EP0346435A1 High-speed analog multiplier - absolute value detector |
| 12/19/1989 | US4888725 Subtraction of wide band signals |
| 12/14/1989 | WO1989012280A1 Analog operation circuit |
| 12/06/1989 | EP0344227A1 Temperature compensated logarithmic amplifier |
| 12/05/1989 | US4885547 Gain cell with digital control |
| 12/05/1989 | US4885528 Apparatus which uses a simulated inductor in the measurement of an electrical parameter of a device under test |
| 12/05/1989 | US4885483 Logarithmic amplifier |
| 11/29/1989 | EP0343719A2 Signal-generating circuit |
| 11/23/1989 | DE3916431A1 Nicht-saettigender logarithmischer verstaerker Non-saturating logarithmic verstaerker |
| 11/21/1989 | US4882715 Surface acoustic wave convolver with dielectric film of high non-linear effect |
| 11/08/1989 | CN1037059A Number-to-pulse-duration converter |
| 11/02/1989 | WO1989004949A3 Interface circuit for linear variable differential transformer |
| 11/02/1989 | EP0339317A1 Squaring circuit |
| 11/01/1989 | CN1036850A Current-type logarithmic or antilogarithmic amplifier |
| 10/24/1989 | CA1262476A1 A modified cascode amplifier |
| 10/17/1989 | US4875184 Fuzzy logic computers and circuits |
| 10/17/1989 | US4875183 Neural networks |
| 09/26/1989 | US4870376 Monolithic elastic convolver output circuit |
| 09/26/1989 | CA1261445A1 Parallel analog device for the local processing of a bidimensional signal |
| 09/20/1989 | EP0333387A2 Squaring circuits in mos integrated circuit technology |
| 09/20/1989 | EP0333197A1 Supply circuit for a Hall sensor multiplication circuit |
| 09/13/1989 | EP0332515A1 Charge transfer device for processing analogous data blocks |
| 09/13/1989 | EP0332432A2 Logarithmic amplifier |
| 09/13/1989 | EP0332431A2 Logarithmic amplifier |
| 09/13/1989 | CN1035594A Circuit arrangement for linearly amplifying and demodulating am-modulated signal, and integrated semiconductor element for said circuit arrangement |
| 09/12/1989 | US4866300 Detection arrangement for detection of signal variations in a signal |
| 09/06/1989 | EP0331246A1 Logarithmic amplifier |
| 09/06/1989 | EP0331234A1 Circuit arrangement for linearly amplifying and demodulating an AM-modulated signal, and integrated semiconductor element for said circuit arrangement |
| 09/05/1989 | US4864217 Method of and a circuit arrangement for processing sampled analogue electrical signals |
| 08/23/1989 | EP0329403A2 Method and apparatus for analysing and reconstructing an analogue signal |
| 08/22/1989 | US4860243 Fuzzy logic semifinished integrated circuit |
| 08/22/1989 | US4860238 Digital sine generator |
| 08/09/1989 | CN2042613U All-ic dual-integration type evolution proportion integrating calculator |
| 08/08/1989 | CA1258318A1 Highly parallel computation network with normalized speed of response |
| 08/01/1989 | US4853564 GaAs monolithic true logarithmic amplifier |
| 08/01/1989 | CA1258133A1 Parallel computation network for reducing the algebraic degree of the objective function |
| 08/01/1989 | CA1258132A1 Highly parallel computation network employing a binary-valued t matrix and single out put amplifiers |
| 07/26/1989 | EP0324967A2 Linearly compensated slope multiplier |
| 07/26/1989 | EP0324874A1 Aircraft flight data improvement and support method |
| 07/18/1989 | US4849925 Maximum entropy deconvolver circuit based on neural net principles |
| 07/18/1989 | US4849708 Fully differential non-linear amplifier |
| 07/13/1989 | WO1989006403A1 High-speed analog multiplier - absolute value detector |
| 06/27/1989 | CA1256526A1 Adaptive hybrid circuits for crosstalk cancellation |
| 06/20/1989 | US4841470 Surface acoustic wave device for differential phase shift keying convolving |
| 06/13/1989 | US4839842 Digital tone detection and generation |
| 06/13/1989 | US4839542 Active transconductance filter device |
| 06/07/1989 | EP0319125A2 Analogue circuit element and chain for testing an analogue circuit |
| 06/07/1989 | EP0319097A2 Complementary voltage interpolation circuit with transmission delay compensation |
| 06/07/1989 | CN2039041U Sixteen places output evolution computing device |
| 06/07/1989 | CN1033322A Integrated poly-phase power meter |
| 06/06/1989 | US4837725 Fuzzy membership function circuit |
| 06/06/1989 | US4837527 Switched capacitor arrangement |
| 06/01/1989 | WO1989004949A2 Interface circuit for linear variable differential transformer |
| 05/31/1989 | EP0187778B1 Adaptive hybrid circuit |
| 05/30/1989 | US4835421 Squaring circuits in MOS integrated circuit technology |
| 05/23/1989 | US4833639 High-speed analog multiplier--absolute value detector |
| 05/23/1989 | US4833636 Analog, two signal correlator |
| 05/16/1989 | US4831379 Complementary voltage interpolation circuit |
| 05/10/1989 | EP0315268A2 A divider circuit arrangement and a dual branch receiver having such a divider circuit arrangement |
| 04/18/1989 | US4823293 Correlation time-difference detector |
| 04/18/1989 | US4823265 Renewable option accounting and marketing system |
| 04/11/1989 | US4821036 Method of and apparatus for producing a digital indication of the time-integral of an electric current |
| 04/11/1989 | US4819600 Knock detection system for an internal combustion engine |
| 04/05/1989 | EP0310135A2 Operational amplifier circuit |
| 03/29/1989 | EP0308924A1 Multiplier and watt-hour meter |
| 03/28/1989 | US4816830 Waveform shaping apparatus and method |
| 03/22/1989 | EP0308008A2 A method of and a circuit arrangement for processing sampled analogue electrical signals |
| 03/21/1989 | US4814714 Long time constant integrating circuit |
| 03/15/1989 | EP0307068A2 Long time constant integrating circuit |
| 03/14/1989 | CA1251283A1 Video stream processing system |
| 03/14/1989 | CA1251270A1 Future behavior equipment predictive system |