| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 12/27/1983 | US4423391 Equalizer circuit for communication signals |
| 12/27/1983 | US4423289 Signal processing systems |
| 12/21/1983 | EP0096410A2 Circuit arrangement for processing colour television signals |
| 12/20/1983 | US4422052 Delay circuit employing active bandpass filter |
| 12/13/1983 | US4420815 Apparatus and method for removal of sinusoidal noise from a sampled signal |
| 12/13/1983 | CA1158729A1 Non-linear filter |
| 12/13/1983 | CA1158726A1 Fail-safe low-pass filtering circuit |
| 12/06/1983 | US4419638 Negative resistance element |
| 11/30/1983 | EP0094972A1 Photocoupler |
| 11/22/1983 | US4417220 Adjustable and selective electrical filters and methods of tuning them |
| 11/22/1983 | US4417215 Tuned analog network |
| 11/22/1983 | US4417214 Monolithic IC general purpose active filter |
| 11/22/1983 | CA1157383A1 Digitally controlled equalizer |
| 11/09/1983 | EP0093471A2 Switched delay circuit |
| 11/08/1983 | US4414688 RF-Input stage |
| 11/02/1983 | EP0092926A2 Background subtraction in a charge transfer device; method and apparatus thereof |
| 11/01/1983 | US4413240 Automatic line buildout circuit for digital data transmission |
| 11/01/1983 | US4413227 Negative resistance element |
| 11/01/1983 | CA1156343A1 Electronic filter |
| 10/25/1983 | US4412183 AC Resistor attenuator and associated amplifier circuits |
| 10/25/1983 | US4411235 Fuel injection system for internal combustion engine |
| 10/25/1983 | CA1155938A1 Transmission arrangement having an adjustable network |
| 10/25/1983 | CA1155924A1 Electrically variable impedance circuit with feedback compensationn |
| 10/19/1983 | EP0091672A2 Characteristic switching circuit |
| 10/18/1983 | US4410864 Impedance transformation network for a SAW filter |
| 10/12/1983 | EP0091160A1 Circuit for amplifying and/or attenuating a signal |
| 10/11/1983 | US4409557 Bandpass filter with an active element |
| 10/11/1983 | US4409540 Active voltage divider |
| 09/29/1983 | WO1983003326A1 Combined phase detector and low pass filter |
| 09/27/1983 | CA1154544A1 Semiconductor integrated circuit devices |
| 09/20/1983 | CA1154110A1 Attenuator and control circuit therefor |
| 09/20/1983 | CA1154108A1 Fail-safe active bandpass filter using a modified twin-t filter |
| 09/20/1983 | CA1154107A1 Positive feedback biquad filter |
| 09/20/1983 | CA1154106A1 Low-pass filter for low-frequency signals |
| 09/20/1983 | CA1153959A1 Record player |
| 09/15/1983 | WO1983003171A1 Combined transceiver element for transmitted signals particularly for phased array antenna |
| 09/13/1983 | US4404529 Lowpass filter with electronic control of cutoff and resonance |
| 09/13/1983 | CA1153702A1 Dynamic speaker equalizer |
| 09/06/1983 | US4403201 Bandpass filter circuit |
| 08/31/1983 | EP0087175A1 Circuit for electronically controlling amplification |
| 08/24/1983 | EP0086305A1 Signal sampling system |
| 08/17/1983 | EP0086026A2 Integrated notch filter |
| 08/17/1983 | EP0085830A2 Coupling filter, in particular input filter for centralized ripple control systems |
| 08/16/1983 | US4399561 Variable capacitance circuit |
| 08/16/1983 | US4399417 Integrated CRC filter circuit |
| 08/16/1983 | CA1152167A1 Current mode biquadratic active filter |
| 08/09/1983 | US4398099 Switched-capacitance amplifier, a switched-capacitance filter and a charge-transfer filter comprising an amplifier of this type |
| 07/26/1983 | US4395764 Memory device utilizing shift registers for data accessing |
| 07/26/1983 | US4395690 Two-terminal-pair network simulating an inductance |
| 07/26/1983 | US4395687 Adjustable phase shifter |
| 07/26/1983 | US4395643 Broadband circuit with rapidly variable resistor |
| 07/26/1983 | US4395599 Driving point impedance derived from a transfer impedance |
| 07/26/1983 | CA1150785A1 Mos voltage divider |
| 07/19/1983 | CA1150373A1 Floating gyrator |
| 07/12/1983 | US4393431 Overcurrent relay circuit |
| 07/12/1983 | US4393352 Sample-and-hold hybrid active RC filter |
| 07/12/1983 | US4393346 Voltage controlled resistor |
| 07/05/1983 | CA1149478A1 Bandstop filters |
| 07/05/1983 | CA1149476A1 Fail-safe band-pass filter circuit |
| 06/29/1983 | EP0082499A2 Single terminal negative capacitance generator |
| 06/28/1983 | US4390833 Voltage regulator circuit |
| 06/22/1983 | EP0082024A1 Improvements in and relating to electrical amplifier arrangements |
| 06/14/1983 | US4388648 Frequency selective DC coupled video signal control system insensitive to video signal DC components |
| 06/14/1983 | CA1148254A1 Antenna low-noise q spoiling circuit |
| 06/09/1983 | WO1983002039A1 Photocoupler |
| 06/08/1983 | EP0080922A1 Device for the detection of the optimum anode charge impedance of a tube transmitter |
| 06/07/1983 | US4387273 Subscriber line interface circuit with impedance synthesizer |
| 06/01/1983 | EP0080234A1 Filter circuit incorporating a differential amplifier |
| 05/25/1983 | EP0079334A1 Band-pass filter and gain stage |
| 05/24/1983 | CA1147027A1 Very low frequency passband filter circuit |
| 05/18/1983 | EP0079009A2 E.C.G. amplifier circuit |
| 05/17/1983 | CA1146627A1 Power supply circuit |
| 05/11/1983 | EP0078574A2 All-pass circuit arrangement |
| 05/10/1983 | US4383230 Voltage tuned active filter and circuitry simulating a capacitance and an inductance |
| 05/10/1983 | US4383228 Filter device comprising switched-capacitance integrating networks |
| 05/04/1983 | EP0078084A2 Circuit arrangement with a switchable smoothing element |
| 05/03/1983 | US4382233 Multiple-feedback path filter |
| 04/26/1983 | US4381489 Pass filter circuit arrangement |
| 04/19/1983 | CA1144866A1 Device for artificial reverberation |
| 04/13/1983 | EP0076609A1 Active voltage divider |
| 03/29/1983 | US4378537 High isolation multicoupling apparatus |
| 03/29/1983 | US4378535 Adaptive equalizer for short distance metallic circuits |
| 03/29/1983 | US4378531 Negative resistance oscillator suited for partial integration |
| 03/22/1983 | CA1143445A1 Band-pass filter circuit |
| 03/08/1983 | CA1142445A1 Signal-controllable attenuator employing a digital-to-analog converter |
| 03/01/1983 | CA1142240A1 Method and apparatus for forcing a phase-lock oscillator to a predetermined frequency when unlocked |
| 02/15/1983 | CA1141454A1 Device for increasing the parallel inductance of a transformer |
| 02/15/1983 | CA1141442A1 Selective amplifier |
| 02/01/1983 | US4371748 Device for artificial reverberation |
| 01/25/1983 | CA1140224A1 Voltage controlled attenuator |
| 01/19/1983 | EP0069979A2 Matching circuit for antennas |
| 01/11/1983 | US4368440 Fail-safe low-pass filtering circuit |
| 01/05/1983 | EP0068900A2 Differential amplifier containing a low-pass filter |
| 12/28/1982 | US4366346 Artificial reverberation apparatus |
| 12/21/1982 | CA1138061A1 Electronic transformer |
| 12/08/1982 | EP0066062A2 Apparatus for filtering low single frequency sinusoidal noise from an analog signal |
| 12/07/1982 | US4363008 Electronic transformer |
| 12/07/1982 | US4363004 Combining and filter circuit for a phase locked loop |
| 12/07/1982 | CA1137205A1 Body motion compensation filter |
| 12/07/1982 | CA1137181A1 Active filter networks |