| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 06/13/1995 | US5424692 Switchable impedance circuit |
| 06/13/1995 | US5424675 Full differential type analog circuit having parallel oppositely connected capacitors to eliminate unbalanced parasitic capacitances |
| 06/07/1995 | EP0656688A1 Clock generating circuit generating a plurality of non-overlapping clock signals |
| 06/06/1995 | US5422608 Adaptive transmission line termination |
| 05/31/1995 | EP0655834A1 Delay circuit using capacitor and transistor |
| 05/30/1995 | US5420552 Device and method for adjusting a bandpass filter, especially a combiner filter |
| 05/30/1995 | US5420448 circuit element |
| 05/26/1995 | WO1995014339A1 Clock-recovery circuit |
| 05/24/1995 | CN1102920A Circuit for synthesis of voice and limiting frequency belt and circuit for lifting of bass |
| 05/23/1995 | US5418661 Active filter characteristic changeover circuit for use in a VCR |
| 05/23/1995 | US5418492 Fully differential non-op-amp-based positive feedback BJT biquad filter |
| 05/23/1995 | US5418483 Cut-off frequency setting circuit of a filter circuit |
| 05/18/1995 | DE4412055C1 MOS terminal resistance circuit for transmission line |
| 05/16/1995 | US5416647 Continuous-time analog signal filter arrangement, for use as an equalizer |
| 05/16/1995 | US5416438 Active filter circuit suited to integration on IC chip |
| 05/16/1995 | US5416436 Method for time delaying a signal and corresponding delay circuit |
| 05/16/1995 | US5416326 Analog spatial filter for detection of unresolved targets against a cloud-cluttered background |
| 05/09/1995 | CA2073347C Apparatus and method for generating quadrature signals |
| 05/03/1995 | EP0651519A2 Interference detection and reduction |
| 05/03/1995 | EP0650645A1 Integrated resonant circuit with temperature compensated quality factor |
| 05/03/1995 | CN1102276A Method for regulating electric power signal and its product and its use |
| 05/02/1995 | US5412335 Area-efficient current-input filter, virtual ground circuit used in same, and method therefor |
| 05/02/1995 | US5412263 Multiple control voltage generation for MOSFET resistors |
| 04/27/1995 | WO1995011549A1 Direct-current impressing circuit |
| 04/27/1995 | CA2172799A1 Vortex flowmeter electronics |
| 04/18/1995 | US5408442 Hydrophone element with filter circuit |
| 04/18/1995 | US5408192 Monolithic broadband phase shifting circuit for analog data signals |
| 04/18/1995 | US5408135 Rectangular-to-sine wave converter |
| 04/11/1995 | US5406633 Hearing aid with permanently adjusted frequency response |
| 04/06/1995 | WO1995006856A3 Compound electronic filter for flowmeters |
| 04/06/1995 | DE4433594A1 Biquad filter |
| 04/05/1995 | EP0647024A1 Attenuator circuit apparatus |
| 04/05/1995 | EP0647020A2 Amplifier circuit comprising an asymmetrical input and a symmetrical output |
| 04/05/1995 | CN1028139C Integrated resonant circuit with temperature compensated quality factor |
| 03/29/1995 | EP0645885A1 Phase shifter |
| 03/28/1995 | US5402498 Automatic intelligent audio-tracking response circuit |
| 03/28/1995 | US5402086 Signal noise reduction system |
| 03/23/1995 | DE4420376A1 Modulator Modulator |
| 03/18/1995 | CA2132356A1 Digital microwave multi-bit attenuator |
| 03/15/1995 | EP0642681A1 Method and apparatus for controlling a current generator. |
| 03/14/1995 | US5398261 Integrated circuit having controller impedances and application to transceivers, in particular for communication between units of a system |
| 03/09/1995 | WO1995006977A1 Active impedance termination |
| 03/09/1995 | WO1995006856A2 Compound electronic filter for flowmeters |
| 03/09/1995 | DE4329705A1 Circuit arrangement for microcomputer-controllable inductors, capacitors and L/C circuits |
| 03/08/1995 | CN2191496Y Capacitive transformer |
| 03/07/1995 | US5396188 Active filter circuit |
| 03/07/1995 | US5394750 Tissue signature tracking transceiver |
| 02/28/1995 | US5394112 Differential transconductor with reduced temperature dependence |
| 02/28/1995 | US5394036 Circuit and method of zero generation in a real-time filter |
| 02/23/1995 | DE4327619A1 Phase shifter |
| 02/22/1995 | EP0639912A1 Method and apparatus for impedance matching of a transmitter and/or receiver |
| 02/22/1995 | EP0639347A1 Digital phase shifter |
| 02/21/1995 | US5392456 Method of controlling filter time constant and filter circuit having the time constant control function based on the method |
| 02/21/1995 | US5392171 Fully integrated programmable filters for disc drive subsystems |
| 02/21/1995 | US5392018 Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits |
| 02/21/1995 | US5392010 90 degree phase shifter |
| 02/21/1995 | US5392003 Wide tuning range operational transconductance amplifiers |
| 02/21/1995 | US5392002 Low voltage bipolar negative impedance converter |
| 02/15/1995 | EP0639003A1 Digitally adjustable and calibrated delay line and method |
| 02/15/1995 | EP0639002A1 Pulse shaping circuit using an analog delay line for fiber-optic systems |
| 02/14/1995 | US5390053 Circuit for controlling the overall upper cutoff frequency of an amplifier stage |
| 02/14/1995 | US5389886 Quadrature signals frequency doubler |
| 02/09/1995 | WO1995004401A1 Filter circuit |
| 02/07/1995 | US5387877 Voltage controlled attenuator for speakerphones |
| 02/01/1995 | EP0637189A2 Audio signal processing circuit |
| 02/01/1995 | EP0637131A1 Microwave amplifier having a variable-impedance impedance matching circuit |
| 02/01/1995 | EP0636296A1 Impedance synthesizer for a subscriber line interface circuit. |
| 01/26/1995 | WO1995002936A1 Power coupler for coupling power from a transmission line to a node thereon |
| 01/26/1995 | WO1995002931A1 Line driver with adaptive output impedance |
| 01/25/1995 | EP0635937A1 Circuit for controlling the overall upper cutoff frequency of an amplifier stage |
| 01/24/1995 | US5384501 Integration circuit including a differential amplifier having a variable transconductance |
| 01/17/1995 | US5382918 Capacitance multiplier for the internal frequency compensation of switching regulator integrated circuits |
| 01/12/1995 | WO1995001671A1 Monolithically integrated, tunable resonant circuit and circuitry made thereof |
| 01/12/1995 | WO1995001652A1 Electrical charge transfer apparatus |
| 01/12/1995 | CA2143427A1 Monolithically integrated, tunable resonant circuit and circuit arrangement formed therefrom |
| 01/10/1995 | US5381034 Integrated circuit |
| 01/10/1995 | US5381018 Electronic circuit to replace a light emitting diode and a light dependent resistor |
| 01/04/1995 | EP0632578A2 Electronic load resistor |
| 01/03/1995 | US5379452 Active frequency separating circuit |
| 01/03/1995 | US5378947 Filter circuit composed of glass delay line with no coil |
| 12/28/1994 | CN1027199C Integrated circuit for analog system |
| 12/27/1994 | US5376848 Delay matching circuit |
| 12/22/1994 | WO1994029955A1 Bridge-tap equalizer method and apparatus |
| 12/22/1994 | WO1994029947A1 Low noise oscillators and tracking filters |
| 12/22/1994 | CA2140359A1 Bridge-tap equalizer method and apparatus |
| 12/21/1994 | EP0630107A1 Differential load stage with stepwise variable impedance, and clocked comparator comprising such a load stage |
| 12/21/1994 | EP0630105A2 Voltage controlled attenuator for speakerphones |
| 12/13/1994 | US5373243 Impedance transformation circuit with matched current sources |
| 12/08/1994 | WO1994028626A1 Polarization current controlled electronic circuit such as an adjustable resistance, a negative resistance or a filter or similar |
| 12/06/1994 | US5371475 Low noise oscillators and tracking filters |
| 11/30/1994 | EP0514388B1 Method for adjusting analog circuit parts in an integrated circuit |
| 11/30/1994 | CN1095871A Delay matching circuit |
| 11/24/1994 | WO1994027365A1 Circuitry for filter |
| 11/24/1994 | WO1994027364A1 Circuitry for a telephone subscriber station |
| 11/24/1994 | WO1994027363A1 Circuitry for amplifier |
| 11/22/1994 | US5367271 Quadrature modulator having phase shift and amplitude compensation circuits |
| 11/17/1994 | EP0624950A2 Delay matching circuit |
| 11/03/1994 | DE4419956A1 Electronic filter 1 |
| 11/01/1994 | US5361043 Delay circuit for changeably delaying an analog signal |
| 10/26/1994 | EP0621688A2 High-impedance circuit |