| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 08/12/1992 | EP0498328A1 Variable analogue phase shifter for microwave signals |
| 08/12/1992 | CN2112909U Harmonic wave active filter |
| 08/11/1992 | US5138279 Leapfrog filter |
| 08/11/1992 | US5138275 Predistortion linearizer for microwave power amplifiers |
| 08/05/1992 | CN2112228U Energy-saving mains with interference suppression of power frequency am wave for high frequency heat sealer |
| 08/04/1992 | US5136265 Discrete increment signal processing system using parallel branched n-state networks |
| 08/01/1992 | CA2068343A1 Methods and apparatus for providing reciprocal impedance conversion |
| 07/28/1992 | US5134591 Survival seismic detection system having improved tunable filter |
| 07/28/1992 | US5134318 Adjustable analog filter circuit with temperature compensation |
| 07/28/1992 | US5134311 Self-adjusting impedance matching driver |
| 07/21/1992 | US5132651 Filter apparatus |
| 07/21/1992 | US5132639 Predistorter for linearization of electronic and optical signals |
| 07/21/1992 | US5132552 Linear interpolator |
| 07/15/1992 | EP0494420A1 Current sink |
| 07/14/1992 | US5131028 Methods and apparatus for providing reciprocal impedance conversion |
| 07/14/1992 | US5130579 Active lowpass ripple filter |
| 07/14/1992 | CA1305224C Electronic inductor |
| 07/09/1992 | WO1992011695A1 Tuning circuit for rc filters |
| 07/08/1992 | CN2109664U Full bandpass filter electron frequency divider |
| 07/08/1992 | CN2109564U Super low frequency digital phase meter |
| 07/07/1992 | US5128566 Variable attenuator circuit |
| 07/01/1992 | EP0493236A1 Phase shifting method of an electrical signal and phase shifter based on this method |
| 07/01/1992 | EP0493150A1 Controllable delay device |
| 07/01/1992 | EP0493149A1 Controllable delay device |
| 07/01/1992 | EP0492050A1 Active high-pass filter and active low-pass filter |
| 07/01/1992 | CN1062439A Universal filter |
| 06/29/1992 | CA2057795A1 Method for shifting the phase of an electrical signal and device using said method |
| 06/25/1992 | DE4040684A1 Schaltungsanordnung zur abstimmung von rc-filtern Circuit arrangement for the vote of rc filter |
| 06/23/1992 | US5124939 Signal modification circuit |
| 06/23/1992 | US5124666 CMOS current convevor and its filter applications |
| 06/23/1992 | US5124593 Continuous-time filter tuning circuit and method |
| 06/23/1992 | US5124592 Active filter |
| 06/23/1992 | US5124586 Impedance multiplier |
| 06/22/1992 | WO1992011704A1 Apparatus and method for generating quadrature signals |
| 06/16/1992 | US5122788 Method and an apparatus for 2-D filtering a raster scanned image in real-time |
| 06/11/1992 | WO1992010031A1 Universal filter |
| 06/10/1992 | EP0489312A1 Apparatus for making section images with nuclear magnetic resonance |
| 06/09/1992 | US5121009 Linear phase low pass filter |
| 06/04/1992 | CA2055343A1 Active filtering mixer |
| 06/02/1992 | US5119321 Adaptive threshold suppression of impulse noise |
| 06/02/1992 | CA1302526C Wideband (dc-50 ghz) mmic fet variable matched attenuator |
| 05/26/1992 | US5117205 Electrically controllable oscillator circuit, and electrically controllable filter arrangement comprising said circuits |
| 05/26/1992 | CA1301865C Transmission line coupling device |
| 05/26/1992 | CA1301860C Circuits with multiple controlled gain elements |
| 05/20/1992 | EP0486322A2 Automatic filter adjusting apparatus |
| 05/20/1992 | EP0485579A1 Adaptive threshold suppression of impulse noise |
| 05/20/1992 | CN2105140U Active filter |
| 05/19/1992 | US5115213 Frequency equalizer |
| 05/19/1992 | US5115154 Frequency and/or phase characteristic control circuit having controlled current multiplying ratio |
| 05/13/1992 | EP0484921A1 Differential circuit for converting a single phase signal into complementary signals |
| 05/06/1992 | EP0225332B1 Balanced variable reactance circuit and method of producing the same |
| 05/05/1992 | US5111154 Analog filter |
| 05/05/1992 | CA1300221C Variable attenuator having voltage variable fet resistor with chosen resistance-voltage relationship |
| 04/29/1992 | EP0482291A1 Isolator circuit for an audio system |
| 04/22/1992 | EP0481529A2 Hearing aid circuit |
| 04/22/1992 | EP0481528A2 Hearing aid circuit |
| 04/22/1992 | EP0481113A1 Digitally controlled field effect attenuator devices |
| 04/22/1992 | EP0481093A1 Delay circuit |
| 04/22/1992 | CN2102586U Double channel common-use device for meteorological satelite antenna |
| 04/21/1992 | US5107230 Switched drivers providing backmatch impedance for circuit test systems |
| 04/15/1992 | EP0480423A1 Integrated circuit and gate array |
| 04/15/1992 | EP0480333A1 Microwave loss-correcting device, especially in the field of space technology |
| 04/14/1992 | US5105163 Balanced filter circuit having a single amplifier |
| 04/11/1992 | WO1992007422A1 Active filter circuit |
| 04/11/1992 | CA2069639A1 Active filter circuit |
| 04/08/1992 | EP0479201A2 Variable band-pass filter circuit |
| 04/07/1992 | US5103084 Adjustable radiation-controlled filter with voltage controlled bandwidth |
| 04/02/1992 | WO1992005632A1 High gain bandpass filter |
| 04/01/1992 | EP0477952A2 Reconfigurable RF matching circuit |
| 04/01/1992 | EP0477694A2 Continuous-time filter tuning circuit and method |
| 03/31/1992 | US5101179 Y-connected three port circulator |
| 03/29/1992 | CA2049680A1 Reconfigurable rf matching circuit |
| 03/25/1992 | EP0476585A2 Reference delay generator and electronic device using the same |
| 03/24/1992 | US5099155 Active element filter network |
| 03/24/1992 | US5099139 Voltage-current converting circuit having an output switching function |
| 03/18/1992 | EP0475532A1 Integrated semiconductor device comprising a low pass filter structure with multiple feedback |
| 03/17/1992 | US5097235 High-pass filter circuit |
| 03/12/1992 | DE4129334A1 Precision MOSFET resistance circuit - uses pair of drain- and source-coupledMOSFET(s) and associated source followers |
| 03/11/1992 | EP0474534A1 Adjustable time-constant circuit and its use for an adjustable delay circuit |
| 03/11/1992 | EP0474337A1 Switched low-loss attenuator |
| 03/10/1992 | CA1297185C Hearing aid circuit |
| 03/03/1992 | US5093642 Solid state mutually coupled inductor |
| 02/26/1992 | EP0472211A1 Phase-locked loop clock signal generator |
| 02/25/1992 | US5091956 Adaptive high pass filter having cut-off frequency controllable responsive to input signal and operating method therefor |
| 02/25/1992 | CA1296397C Automatic gain control amplifier for compensating cable loss |
| 02/11/1992 | US5087899 Variable attenuation network with constant input and output resistances |
| 02/11/1992 | US5087898 Integrated semiconductor active isolator circuit |
| 02/04/1992 | CA1295381C Methods and apparatus for providing reciprocal impedance conversion |
| 02/04/1992 | CA1295373C High gain bandpass filter |
| 01/29/1992 | CN1058309A Composite admittance device |
| 01/28/1992 | US5084686 Phase splitter |
| 01/23/1992 | DE4022623A1 Impedance converter for power measuring applications - uses current converter and power transformer supplied via amplifier |
| 01/22/1992 | EP0467653A1 Cut-off frequency automatic adjusting filter |
| 01/22/1992 | EP0467140A1 Improved pin diode attenuator |
| 01/16/1992 | DE4021226A1 Voltage - controlled filter circuit - uses filter network with two filters receiving common control voltage and difference amplifier |
| 01/14/1992 | US5081432 Variable bi-phase modulator circuits and variable resistors for microwave signals |
| 01/14/1992 | US5081423 Integrator and active filter including integrator with simple phase compensation |
| 01/08/1992 | CN1057746A Method for alignment of analog circuit sections within integrated circuit |
| 01/02/1992 | EP0463356A2 Device for reducing the noise of a potentiometer position evaluation |
| 01/02/1992 | EP0463316A1 Self-adjusting impedance matching driver |