DE2537560A1
(de)
*
|
1975-08-22 |
1977-03-03 |
Sartorius Werke Gmbh |
Verfahren und schaltungsanordnung zur aufbereitung von gleichstromsignalen bei elektrischen messwertgebern, insbesondere elektromechanischen praezisions- und feinwaagen
|
US4069459A
(en)
*
|
1976-08-23 |
1978-01-17 |
Santa Barbara Research Center |
Feedback capacitor divider
|
DE2813946C2
(de)
*
|
1978-03-31 |
1980-01-31 |
Siemens Ag, 1000 Berlin Und 8000 Muenchen |
Filterschaltung mit einer biquadratischen Übertragungsfunktion
|
US4272738A
(en)
*
|
1978-04-25 |
1981-06-09 |
Convex Corporation |
Programmable delay response shape bulk delay extender
|
US4257006A
(en)
*
|
1979-01-25 |
1981-03-17 |
The Regents Of The University Of Minnesota |
Integrable analog active filter and method of same
|
US4352074A
(en)
*
|
1980-02-01 |
1982-09-28 |
Westinghouse Electric Corp. |
Phase-locked loop filter
|
US4356451A
(en)
*
|
1980-06-16 |
1982-10-26 |
Wilson Harold E |
Active band pass filter
|
US4481480A
(en)
*
|
1982-10-04 |
1984-11-06 |
Tektronix, Inc. |
Feedback amplifier having a voltage-controlled compensation circuit
|
US4954785A
(en)
*
|
1989-04-12 |
1990-09-04 |
Sundstrand Corporation |
Auto tracking notch filter using switched capacitors to measure harmonic distortion and noise contained in a signal source
|
US5131044A
(en)
*
|
1990-06-13 |
1992-07-14 |
Peavey Electronics Corporation |
Amplifier circuitry with mode compensation and selectable gain and frequency response in pre and post distortion circuits
|
US5041745A
(en)
*
|
1990-10-01 |
1991-08-20 |
General Signal Corporation |
Failsafe bandpass filter/decoder
|
US5197102A
(en)
*
|
1991-01-14 |
1993-03-23 |
Peavey Electronics Corporation |
Audio power amplifier system with frequency selective damping factor controls
|
US5235223A
(en)
*
|
1991-08-29 |
1993-08-10 |
Harman International Industries, Inc. |
Constant Q peaking filter utilizing synthetic inductor and simulated capacitor
|
US5539354A
(en)
*
|
1993-08-18 |
1996-07-23 |
Carsten; Bruce W. |
Integrator for inductive current sensor
|
US5648718A
(en)
*
|
1995-09-29 |
1997-07-15 |
Sgs-Thomson Microelectronics, Inc. |
Voltage regulator with load pole stabilization
|
US5852359A
(en)
*
|
1995-09-29 |
1998-12-22 |
Stmicroelectronics, Inc. |
Voltage regulator with load pole stabilization
|
US5850139A
(en)
*
|
1997-02-28 |
1998-12-15 |
Stmicroelectronics, Inc. |
Load pole stabilized voltage regulator circuit
|
FI103744B
(fi)
*
|
1997-10-15 |
1999-08-31 |
Nokia Mobile Phones Ltd |
Menetelmä ja järjestely aktiivisuotimen kalibroimiseksi
|
JP3114680B2
(ja)
*
|
1997-12-15 |
2000-12-04 |
日本電気株式会社 |
アクティブフィルタ
|
US6400221B2
(en)
|
2000-06-29 |
2002-06-04 |
Peavey Electronics Corporation |
Audio amplifier system with discrete digital frequency selective damping factor controls
|
US6504350B2
(en)
*
|
2001-05-02 |
2003-01-07 |
Agere Systems Inc. |
Adaptive power supply arrangement
|
US6642779B2
(en)
*
|
2002-02-25 |
2003-11-04 |
Texas Instruments Incorporated |
Trimming impedance between two nodes connected to a non-fixed voltage level
|
JP2004032188A
(ja)
*
|
2002-06-24 |
2004-01-29 |
General Res Of Electronics Inc |
アクティブフィルタ
|
JP2008205560A
(ja)
*
|
2007-02-16 |
2008-09-04 |
Fujitsu Ltd |
可変利得増幅回路、フィルタ回路、及び半導体装置
|
DE102010043730A1
(de)
*
|
2010-11-10 |
2012-05-10 |
Intel Mobile Communications GmbH |
Strom-Spannungs-Wandler, Empfänger, Verfahren zum Bereitstellen eines Spannungssignals und Verfahren zum Empfangen eines Empfangssignals
|
US8344795B2
(en)
|
2011-01-20 |
2013-01-01 |
International Business Machines Corporation |
Self-calibrated, broadband, tunable, active filter with unity gain cells for multi-standard and/or multiband channel selection
|
US8350738B2
(en)
|
2011-01-20 |
2013-01-08 |
International Business Machines Corporation |
Track and hold amplifiers and digital calibration for analog-to-digital converters
|
GB201116434D0
(en)
*
|
2011-09-22 |
2011-11-02 |
Xtra Sense Ltd |
A filter circuit
|
RU2530703C1
(ru)
*
|
2013-02-26 |
2014-10-10 |
Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" |
Фильтр нижних частот
|
US9935670B2
(en)
|
2013-09-26 |
2018-04-03 |
Qorvo Us, Inc. |
Carrier aggregation using multiple antennas
|
US9899986B2
(en)
|
2013-10-24 |
2018-02-20 |
Qoro US, Inc. |
RF diplexer
|
US9985682B2
(en)
|
2013-10-24 |
2018-05-29 |
Qorvo Us, Inc. |
Broadband isolation low-loss ISM/MB-HB tunable diplexer
|
US9893709B2
(en)
|
2014-03-14 |
2018-02-13 |
Qorvo Us, Inc. |
RF triplexer architecture
|
US9319029B1
(en)
|
2015-06-19 |
2016-04-19 |
Clover Network, Inc. |
System and method for automatic filter tuning
|
US10317514B2
(en)
|
2015-08-11 |
2019-06-11 |
Raytheon Company |
Programmable apparatus for synthesized filter notch
|
US11415678B2
(en)
|
2018-01-12 |
2022-08-16 |
Analog Devices International Unlimited Company |
Receiver with tunable filter for light range finding system
|
US11683022B2
(en)
*
|
2021-03-04 |
2023-06-20 |
Kinetic Technologies International Holdings Lp |
Electromagnetic interference suppression in power converters
|