| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 05/27/1980 | US4205277 Phase locked loop with switchable filter |
| 05/27/1980 | CA1078535A1 Composite colour signal processing circuit |
| 05/27/1980 | CA1078458A1 Compensation indicator for attenuation probe |
| 05/13/1980 | US4203009 Unbalanced/balanced converter circuits |
| 05/06/1980 | CA1077146A1 Active networks having biquadratic transfer functions |
| 04/22/1980 | US4199697 Pulse amplitude modulation sampling gate including filtering |
| 04/16/1980 | EP0010014A1 Charge transfer filter and switched capacitor filter comprising a voltage muliplier having switched capacitors |
| 04/15/1980 | US4198612 Image analysis nonlinear adaptive filter for improving signal-to-noise ratio |
| 04/08/1980 | US4197511 Linear load MOS transistor circuit |
| 04/01/1980 | CA1074870A1 Apparatus for automatically correcting depolarization effects on electro-magnetic waves in radio-frequency connections using a double polarization |
| 03/25/1980 | US4195265 Variable response notch filter for machine resonance elimination in a servo control system |
| 03/11/1980 | US4193033 Quadrature transposition stage |
| 03/04/1980 | CA1073062A1 Equalizer circuit |
| 02/20/1980 | EP0008301A1 Digital signal phase shifting system |
| 02/20/1980 | EP0008219A1 Charge transfer apparatus |
| 02/19/1980 | US4189681 Bandpass filter having low passband phase shift |
| 02/12/1980 | US4188667 ARMA filter and method for designing the same |
| 02/05/1980 | US4187479 Variable equalizer |
| 01/29/1980 | CA1070783A1 Electronic filter circuit |
| 01/22/1980 | US4185250 Voice frequency RC active filter |
| 01/15/1980 | CA1070015A1 Charge transfer memory |
| 01/09/1980 | EP0006121A1 Method and arrangement for initiating an adaptive equalizer starting from an unknown data signal in a transmission system utilizing quadrature amplitude modulation |
| 01/08/1980 | US4182936 Transformerless trunk circuit |
| 01/08/1980 | CA1069593A1 Unmatched field effect transistors providing matched voltage-controlled resistances |
| 01/01/1980 | US4181865 Sensing circuit for a multi-level signal charge |
| 01/01/1980 | US4181841 Signal distribution circuit including load regulator |
| 01/01/1980 | US4181820 Electric reverberation apparatus |
| 12/25/1979 | US4180786 Impedance-matching circuit using negative low-noise resistance |
| 12/25/1979 | US4180778 Digital signal phase shifting system |
| 12/18/1979 | US4179650 Variable impedance circuits |
| 12/18/1979 | CA1068395A1 Charge coupled imager |
| 12/11/1979 | CA1067969A1 Broad band directional coupling circuit |
| 11/27/1979 | US4176331 Network for simulating low-noise-temperature resistors |
| 11/13/1979 | CA1066373A1 Active filter |
| 11/06/1979 | US4173743 Coupling a frequency modulated signal to a tuned load |
| 11/06/1979 | US4173734 Voltage dividing integrated circuit device |
| 11/06/1979 | CA1065973A1 Impedance compensation of transmission lines |
| 10/16/1979 | CA1064585A1 Phase control circuit and oscillator circuit using it |
| 09/25/1979 | CA1063194A1 Network with single amplifier for simulating fdnr circuit |
| 09/25/1979 | CA1063193A1 Single amplifier network for simulating a super-inductor circuit |
| 09/25/1979 | CA1063192A1 Single amplifier network for simulating an fdnr circuit |
| 09/19/1979 | EP0004099A1 Electrically variable impedance circuit |
| 09/18/1979 | US4168472 Variable gain controller |
| 09/18/1979 | US4168440 LC Simulated filter with transmission zeros |
| 09/18/1979 | CA1062781A1 Single amplifier network for simulating an inductor |
| 09/18/1979 | CA1062780A1 Network with a single amplifier for simulating an fdnr circuit |
| 08/21/1979 | US4165537 Analog charge transfer apparatus |
| 08/14/1979 | US4164715 Feedback elimination system employing notch filter |
| 08/09/1979 | WO1979000524A1 Digital signal phase shifting system |
| 08/07/1979 | US4163948 Filter for digital-to-analog converter |
| 07/31/1979 | CA1059587A1 Digital phase shifter |
| 07/24/1979 | US4162461 Apparatus for extracting the fundamental frequency from a complex audio wave form |
| 07/17/1979 | US4161705 Low level controllable radio frequency phase shifter |
| 06/26/1979 | US4159430 Charge transfer device for processing video-frequency signals |
| 06/19/1979 | US4158824 Multi-node immittance network |
| 06/19/1979 | US4158818 Signal processors utilizing tuneable bandpass filters and trigger circuits |
| 06/19/1979 | US4158787 Electromechanical transducer-coupled mechanical structure with negative capacitance compensation circuit |
| 06/05/1979 | CA1056016A1 Combined encoder-decoder apparatus having a single active filter |
| 05/29/1979 | US4156859 Network for simulating low-noise temperature resistors |
| 05/29/1979 | US4156853 Active filter for providing improved notch and band pass filters |
| 05/29/1979 | US4156851 Constant-phase delay network |
| 05/29/1979 | US4156823 Method for damping an ultrasonic transducer |
| 05/29/1979 | US4156818 Operating circuitry for semiconductor charge coupled devices |
| 05/22/1979 | CA1055127A1 Anti-reciprocal network |
| 05/15/1979 | US4155059 Circuit network showing proper equivalent impedance between two network terminals |
| 05/15/1979 | US4155047 Voltage controlled attenuator |
| 05/01/1979 | US4152716 Voltage dividing circuit in IC structure |
| 05/01/1979 | US4152678 Cascade charge coupled delay line device for compound delays |
| 05/01/1979 | US4152606 Waveform capture device |
| 04/24/1979 | US4151493 Negative impedance converters |
| 04/03/1979 | US4147997 Active filters utilizing networks of resistors and negative impedance converters |
| 04/03/1979 | US4147971 Impedance trim network for use in integrated circuit applications |
| 03/27/1979 | CA1051525A1 Signal delay means using bucket brigade and sample-and-hold circuits |
| 03/20/1979 | CA1051101A1 Self-tuning filter |
| 03/07/1979 | EP0000990A1 Unbalanced/balanced converter circuits |
| 02/20/1979 | US4141023 Field effect transistor having a linear attenuation characteristic and an improved distortion factor with multiple gate drain contacts |
| 02/13/1979 | US4139910 Charge coupled device memory with method of doubled storage capacity and independent of process parameters and temperature |
| 02/13/1979 | US4139823 Electrical energy transmission network |
| 02/13/1979 | US4139787 Line-addressable random-access memory decoupling apparatus |
| 02/06/1979 | US4138728 Electronic tachometer with variable bandwidth differentiator |
| 02/06/1979 | US4138717 Constant-gain regulated-phase standard-phase converter |
| 01/30/1979 | US4137510 Frequency band dividing filter |
| 01/30/1979 | US4137507 Phase-shifting circuit |
| 01/30/1979 | US4137466 Controllable electronic resistance device |
| 01/30/1979 | CA1047659A1 Active hybrid circuit |
| 01/23/1979 | US4136335 Semiconductor charge coupled device analog to digital converter |
| 01/23/1979 | US4136314 Adaptive signal weighting system |
| 01/23/1979 | US4136289 Phase control circuit and oscillator circuit using it |
| 01/16/1979 | US4135104 Regenerator circuit |
| 01/02/1979 | US4132966 Single amplifier frequency dependent negative resistor |
| 12/26/1978 | CA1045220A2 Subnetworks for filter ladder networks |
| 12/19/1978 | US4130766 Bucket brigade circuit |
| 12/05/1978 | CA1043891A1 Opto-electronic device having coupled emitter and receiver |
| 11/28/1978 | US4127750 Apparatus for transmitting and receiving pulses |
| 11/28/1978 | CA1043437A1 Frequency responsive speed control apparatus |
| 11/28/1978 | CA1043433A1 Fall-safe active band-pass filter |
| 11/28/1978 | CA1043420A1 Input supply independent circuit |
| 11/14/1978 | CA1042524A1 Bandpass filter |
| 11/07/1978 | CA1042080A1 Multipurpose active filter network |
| 10/31/1978 | US4123712 Symmetrical polyphase network |