using positive impedance converters

Industry

CPC
H03H11/0416

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Parent Industries

HELECTRICITY H03Electronic circuits H03HIMPEDANCE NETWORKS H03H11/00Networks using active elements

Current Industry

H03H11/0416using positive impedance converters

Industries

Patents Grantslast 30 patents

Information Patent Grant
Frequency selective circuit
- Patent number 9,503,052
- Issue date Nov 22, 2016
- Mediatek Inc.
- Yuan-Hung Chung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog filter with adjustable filter frequency
- Patent number 8,665,012
- Issue date Mar 4, 2014
- Endress + Hauser GmbH + Co. KG
- Roland Grozinger
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Capacitance multiplier circuit
- Patent number 7,598,793
- Issue date Oct 6, 2009
- QUALCOMM Incorporated
- Susanta Sengupta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Two port signalling voltages filter arrangement
- Patent number 5,623,543
- Issue date Apr 22, 1997
- British Telecommunications public limited company
- John W. Cook
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter having a variable response time for filtering an input signal
- Patent number 5,499,392
- Issue date Mar 12, 1996
- Matsushita Communication Industrial Corporation of America
- Randall L. Grunwell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Simulated coupled inductors using generalized impedance converters
- Patent number 5,343,177
- Issue date Aug 30, 1994
- Hughes Aircraft Company
- Austin M. Williams
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Constant Q peaking filter utilizing synthetic inductor and simulate...
- Patent number 5,235,223
- Issue date Aug 10, 1993
- Harman International Industries, Inc.
- Christopher M. Maple
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High gain feedback amplifier
- Patent number 4,757,270
- Issue date Jul 12, 1988
- STC PLC
- George H. S. Rokos
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog integrated filter circuit
- Patent number 4,339,729
- Issue date Jul 13, 1982
- Motorola, Inc.
- Barry L. Jason
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active filter network utilizing positive impedance converters
- Patent number 4,260,968
- Issue date Apr 7, 1981
- National Research Development Corporation
- David G. Haigh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voice frequency RC active filter
- Patent number 4,185,250
- Issue date Jan 22, 1980
- Wescom Switching, Inc.
- John F. Regan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Arrangements for simulating inductance and filter networks incorpor...
- Patent number 3,936,777
- Issue date Feb 3, 1976
- The Post Office
- John Mortimer Rollett
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3750037
- Patent number 3,750,037
- Issue date Jul 31, 1973
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3599008
- Patent number 3,599,008
- Issue date Aug 10, 1971
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
FREQUENCY SELECTIVE CIRCUIT
- Publication number 20160322957
- Publication date Nov 3, 2016
- MEDIATEK INC.
- Yuan-Hung Chung
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
APPARATUS AND METHODS FOR HIGH VOLTAGE VARIABLE CAPACITORS
- Publication number 20160164484
- Publication date Jun 9, 2016
- TDK Corporation
- Anuj Madan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Analog filter with adjustable filter frequency
- Publication number 20120139626
- Publication date Jun 7, 2012
- ENDRESS + HAUSER GMBH + COM. KG
- Roland Grozinger
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CAPACITANCE MULTIPLIER CIRCUIT
- Publication number 20090237143
- Publication date Sep 24, 2009
- QUALCOMM Incorporated
- Susanta Sengupta
- H03 - BASIC ELECTRONIC CIRCUITRY

using positive impedance converters

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Frequency selective circuit

Analog filter with adjustable filter frequency

Capacitance multiplier circuit

Two port signalling voltages filter arrangement

Filter having a variable response time for filtering an input signal

Simulated coupled inductors using generalized impedance converters

Constant Q peaking filter utilizing synthetic inductor and simulate...

High gain feedback amplifier

Analog integrated filter circuit

Active filter network utilizing positive impedance converters

Voice frequency RC active filter

Arrangements for simulating inductance and filter networks incorpor...

3750037

3599008

Patents Applicationslast 30 patents

FREQUENCY SELECTIVE CIRCUIT

APPARATUS AND METHODS FOR HIGH VOLTAGE VARIABLE CAPACITORS

Analog filter with adjustable filter frequency

CAPACITANCE MULTIPLIER CIRCUIT