| Patents for H03H 11 - Networks using active elements (9,098) |
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| 04/08/1986 | US4581587 Solid state electrical musical instrument amplifier |
| 04/02/1986 | EP0176331A2 Power divider/combiner circuit |
| 04/02/1986 | EP0176069A1 High-pass filter with amplifier |
| 04/01/1986 | USH44 Electronic phase shifter having a constant magnitude output |
| 04/01/1986 | US4580114 Active element microwave power coupler |
| 03/18/1986 | US4577244 Techniques for disk servo |
| 03/13/1986 | WO1986001657A1 Active transconductance filter device |
| 03/11/1986 | US4575687 Voltage adjustable capacitance for frequency response shaping |
| 03/11/1986 | US4575650 Signal translating circuit with compensated transient response |
| 02/27/1986 | WO1986001354A1 Optical receiver circuit |
| 02/19/1986 | EP0171692A2 Subscriber line circuit |
| 02/19/1986 | EP0171634A1 Method and device to delay an ultrasonic signal |
| 02/18/1986 | CA1200858A1 Delay circuit |
| 02/12/1986 | EP0171172A1 Active filters |
| 02/12/1986 | EP0171022A2 Signal delay device |
| 02/04/1986 | US4568886 Amplitude compensated variable bandwidth filter |
| 02/04/1986 | US4568840 Variable resistance circuit |
| 01/29/1986 | EP0169754A1 Analogous comparator using charge transfer, and devices using such a comparator |
| 01/29/1986 | EP0169740A2 Output signal processor circuit of charge transfer device |
| 01/29/1986 | EP0169594A1 Adjustable bias- and microwave coupling circuit |
| 01/21/1986 | US4565974 Optical receiver circuit with active equalizer |
| 01/21/1986 | US4565962 Gyrator |
| 01/08/1986 | EP0167157A2 Delay circuit |
| 01/07/1986 | US4563652 Dual-stage filter with feedback |
| 12/31/1985 | US4562458 Circuit for coupling a three terminal filter to a signal path using one interface connection |
| 12/31/1985 | US4562452 Charge coupled device having meandering channels |
| 12/27/1985 | EP0165766A1 Integrated circuit filter |
| 12/24/1985 | US4560963 Analog RC active filter |
| 12/17/1985 | US4559503 Amplifier for correcting group time delay of electrical signals and an intermediate frequency amplifier stage for radio equipment comprising an amplifier of this kind |
| 12/10/1985 | US4558354 Delay circuit |
| 12/10/1985 | US4558287 Signal processing circuit |
| 12/04/1985 | EP0163333A1 Filter arrangement |
| 11/26/1985 | US4555670 Differential amplifier |
| 11/26/1985 | US4555655 Charging/discharging circuit |
| 11/19/1985 | CA1196970A1 Bandwidth control circuit for a phase locked loop |
| 11/13/1985 | EP0161023A1 Charge-coupled semiconductor device with dynamic control |
| 11/13/1985 | EP0029027B1 Antenna low-noise q spoiling circuit |
| 11/12/1985 | US4553103 RC-Active filters |
| 11/05/1985 | US4551686 Coupling filter, especially an input filter, for receivers of centralized ripple control systems |
| 10/16/1985 | EP0158231A2 Filter integrated circuit |
| 10/09/1985 | EP0157459A2 Logarithmic electronic potentiometer |
| 10/08/1985 | US4546377 Circuit arrangement for processing color television signals |
| 09/25/1985 | EP0155562A2 An R.F. impedance match control system |
| 09/18/1985 | EP0155136A1 Video signal delay circuit |
| 09/17/1985 | US4542524 Model and filter circuit for modeling an acoustic sound channel, uses of the model, and speech synthesizer applying the model |
| 09/17/1985 | CA1193678A1 Filter circuit incorporating a differential amplifier |
| 09/10/1985 | US4540982 Delay compensation method and apparatus for digital display systems |
| 09/10/1985 | US4540946 Signal processing apparatus |
| 09/10/1985 | US4540896 Variable resistance circuit |
| 09/10/1985 | CA1193320A1 Device for detecting the optimum anode load impedance of a tube transmitter in a high frequency transmission chain |
| 09/03/1985 | US4539525 For amplifying and filtering an input signal |
| 08/28/1985 | EP0153020A2 Symmetrical polyphase networks |
| 08/20/1985 | CA1192275A1 Circuit for amplifying and/or attenuating a signal |
| 08/14/1985 | EP0151532A2 Voltage controlled diode attenuator |
| 08/13/1985 | CA1191910A1 Low noise ccd output |
| 07/31/1985 | EP0150051A2 Delay line circuit arrangement and ultrasonic imaging apparatus utilizing the same |
| 07/30/1985 | EP0079334A4 Band-pass filter and gain stage. |
| 07/17/1985 | EP0148706A2 Adjustable impedance network and control circuit therefor |
| 07/16/1985 | CA1190614A1 Adaptive filtering system for eliminating one or several sinusoidal interference signals |
| 07/10/1985 | EP0147584A1 A differential amplifier |
| 07/03/1985 | EP0147230A2 Subscriber line interface circuit having an impedance synthesizer |
| 06/25/1985 | US4525686 Phase-locked loop circuit with variable bandwidth filter |
| 06/25/1985 | US4525636 Variable electronic impedance circuit |
| 06/19/1985 | EP0145254A2 Voltage converting circuit |
| 06/18/1985 | US4524332 Integrated notch filter |
| 06/18/1985 | US4524317 For use as a stepwise voltage reference |
| 06/18/1985 | CA1189136A1 Active voltage divider |
| 06/11/1985 | US4523161 Programmable attenuator |
| 06/11/1985 | US4523109 Differential amplifier filter circuit having equal RC products in the feedback and output loops |
| 06/11/1985 | CA1188761A1 Single terminal negative capacitance generator for response time enhancement |
| 06/06/1985 | WO1985002506A1 Single adjustment phase resolver with constant amplitude output |
| 06/05/1985 | EP0143637A2 Feedback type comb filter |
| 06/04/1985 | US4521913 Multifrequency antenna matching apparatus with antomatic tuning |
| 06/04/1985 | US4521764 Signal-controllable attenuator employing a digital-to-analog converter |
| 06/04/1985 | US4521750 Characteristic switching circuit |
| 06/04/1985 | US4521741 For a capacitive voltage source |
| 06/04/1985 | US4521702 Active filter network |
| 05/29/1985 | EP0142586A1 A filter arrangement with active elements |
| 05/28/1985 | US4520282 Electronic impedance circuit including a compensation arrangement for d.c. offset |
| 05/22/1985 | EP0142081A2 Signal processing circuit |
| 05/21/1985 | US4518878 "All-pass" filter circuit including an integrable band-pass filter circuit |
| 05/21/1985 | CA1187570A1 Multi-purpose filter |
| 05/14/1985 | US4517602 Dynamic noise filter for an audio signal in a television |
| 05/14/1985 | US4516312 Method for constructing delay circuits in a master slice IC |
| 05/08/1985 | EP0139814A2 Active equalizer circuit |
| 05/07/1985 | US4516078 Variable frequency passband circuit |
| 05/07/1985 | US4516041 Voltage controlled variable capacitor |
| 05/02/1985 | EP0139531A2 Track following servo for higher density disk files |
| 05/02/1985 | EP0139230A2 Floating capacitor simulation circuit |
| 04/30/1985 | US4514704 Variable filter circuit |
| 04/30/1985 | US4514702 Logarithmic electronic gain control circuit |
| 04/25/1985 | WO1985001806A1 Track following servo for higher density disk files |
| 04/24/1985 | EP0138369A2 Variable delay line |
| 04/23/1985 | US4513254 Integrated circuit filter with adjustable characteristics |
| 04/23/1985 | US4513242 Electronic impedance device for providing a variable impedance |
| 04/17/1985 | EP0137462A2 Integrated filter circuit |
| 04/09/1985 | US4510585 Multi-channel seismic exploration system |
| 04/09/1985 | CA1185355A1 Frequency selective dc coupled video signal control system insensitive to video signal dc components |
| 04/03/1985 | EP0136228A2 Isolating circuit with an optoelectronic coupler |
| 04/03/1985 | EP0135759A2 Circuit arrangement for the conversion of an input voltage lying within a predetermined frequency range of operation into a proportional output voltage |