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H03G3/3015
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Parent Industries
H
ELECTRICITY
H03
Electronic circuits
H03G
CONTROL OF AMPLIFICATION
H03G3/00
Gain control in amplifiers or frequency changers without distortion of the input signal
Current Industry
H03G3/3015
using diodes or transistors
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Patents Grants
last 30 patents
Information
Patent Grant
Audio amplifier with duty ratio control
Patent number
12,088,267
Issue date
Sep 10, 2024
ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC.
Che-Wei Hsu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Field effect transistor circuits
Patent number
11,177,786
Issue date
Nov 16, 2021
Ronald Quan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Field effect transistor circuits
Patent number
10,651,810
Issue date
May 12, 2020
Ronald Quan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Regulation of an RF amplifier
Patent number
10,432,154
Issue date
Oct 1, 2019
STMicroelectronics S.A.
Lionel Vogt
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Delay adjustment
Patent number
10,075,134
Issue date
Sep 11, 2018
Snaptrack, Inc.
Nicholas Shute
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Audio amplifier system
Patent number
10,008,994
Issue date
Jun 26, 2018
NXP B.V.
Marco Berkhout
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Linearized dynamic amplifier
Patent number
9,853,615
Issue date
Dec 26, 2017
Avago Technologies General IP (Singapore) Pte. Ltd.
Md Shakil Akter
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier circuit
Patent number
9,473,098
Issue date
Oct 18, 2016
Cirrus Logic, Inc.
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier circuit and method of amplifying a signal in an amplifier...
Patent number
9,252,729
Issue date
Feb 2, 2016
Cirrus Logic International Semiconductor Ltd.
John P. Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier bias control
Patent number
8,749,310
Issue date
Jun 10, 2014
Kevin M Hayes
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier circuit
Patent number
8,687,826
Issue date
Apr 1, 2014
Wolfson Microelectronics plc
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier circuit and method of amplifying a signal in an amplifier...
Patent number
8,514,025
Issue date
Aug 20, 2013
Wolfson Microelectronics plc
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method of limiting the maximum permitted sound volume in an earphon...
Patent number
8,223,994
Issue date
Jul 17, 2012
3M Svenska Aktiebolag
Roger Kihlberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Amplifier circuit and method of amplifying a signal in an amplifier...
Patent number
8,198,941
Issue date
Jun 12, 2012
Wolfson Microelectronics plc
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic gain control circuit for volume control and corresponding...
Patent number
8,130,980
Issue date
Mar 6, 2012
Creative Technology Ltd.
Kok Ghay Wong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Miniature speaker device and television set
Patent number
8,130,998
Issue date
Mar 6, 2012
Funai Electric Co., Ltd.
Isao Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for adjusting sound volume for televisions and...
Patent number
7,596,232
Issue date
Sep 29, 2009
Hon Hai Precision Industry Co., Ltd.
Kuan-Hong Hsieh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Analog amplifier with monotonic transfer function
Patent number
6,278,324
Issue date
Aug 21, 2001
National Semiconductor Corporation
Peyman Hojabri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Audio amplifier having linear gain control
Patent number
5,936,470
Issue date
Aug 10, 1999
Delco Electronics Corporation
Richard Sidney Stroud
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic gain control circuit
Patent number
5,699,017
Issue date
Dec 16, 1997
Yamaha Corporation
Toshio Maejima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic level control circuit for restricting sound level
Patent number
5,651,073
Issue date
Jul 22, 1997
Mitsubishi Denki Kabushiki Kaisha
Kenji Isu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus for automatically adapting the mean sound level of a tele...
Patent number
5,631,714
Issue date
May 20, 1997
Saadoun; Serge
Serge Saadoun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Peak detection circuit for suppressing magnetoresistive thermal asp...
Patent number
5,559,460
Issue date
Sep 24, 1996
International Business Machines Corporation
Earl A. Cunningham
G11 - INFORMATION STORAGE
Information
Patent Grant
Peak detection circuit for suppressing magnetoresistive thermal asp...
Patent number
5,497,111
Issue date
Mar 5, 1996
International Business Machines Corporation
Earl A. Cunningham
G11 - INFORMATION STORAGE
Information
Patent Grant
Tone reduction circuit for headsets
Patent number
5,371,803
Issue date
Dec 6, 1994
BellSouth Corporation
William A. Williamson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic gain control for a headset
Patent number
5,369,711
Issue date
Nov 29, 1994
BellSouth Corporation
William A. Williamson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable gain amplifier
Patent number
5,146,180
Issue date
Sep 8, 1992
Mitsubishi Denki Kabushiki Kaisha
Junichi Hyakutake
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multichannel amplifier with gain matching
Patent number
5,138,280
Issue date
Aug 11, 1992
Ford Motor Company
Randal R. Gingrich
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic level control circuit
Patent number
5,043,676
Issue date
Aug 27, 1991
Pioneer Electronic Corporation
Takeshi Sato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Symmetrical variable impedance apparatus employing MOS transistors
Patent number
5,021,747
Issue date
Jun 4, 1991
Harris Semiconductor Patents, Inc.
Robert H. Isham
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
COMPENSATION METHOD FOR CHARACTERISTIC DIFFERENCE OF PHOTOELECTRIC...
Publication number
20240178809
Publication date
May 30, 2024
Teco Image Systems Co., Ltd.
Kuei-Chung Chang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
VARIABLE GAIN AMPLIFIER
Publication number
20230396222
Publication date
Dec 7, 2023
FUJIKURA LTD.
Chihiro Kamidaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUDIO AMPLIFIER WITH DUTY RATIO CONTROL
Publication number
20230238932
Publication date
Jul 27, 2023
Elite Semiconductor Microelectronics Technology Inc.
Che-Wei Hsu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRONIC DEVICE AND CONTROL METHOD THEREOF
Publication number
20210352389
Publication date
Nov 11, 2021
Samsung Electronics Co., Ltd.
Seungho LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Field Effect Transistor Circuits
Publication number
20210344316
Publication date
Nov 4, 2021
Ronald Quan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
REGULATION OF AN RF AMPLIFIER
Publication number
20180152155
Publication date
May 31, 2018
STMicroelectronics S.A.
Lionel Vogt
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUDIO AMPLIFIER SYSTEM
Publication number
20170294888
Publication date
Oct 12, 2017
NXP B.V.
Marco Berkhout
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CIRCUIT AND METHOD OF AMPLIFYING A SIGNAL IN AN AMPLIFIER...
Publication number
20150162885
Publication date
Jun 11, 2015
Cirrus Logic International (UK) Limited
John P. Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CIRCUIT
Publication number
20140159816
Publication date
Jun 12, 2014
WOLFSON MICROELECTRONICS PLC
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Amplifier Bias Control
Publication number
20140055202
Publication date
Feb 27, 2014
Kevin M. Hayes
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CIRCUIT AND METHOD OF AMPLIFYING A SIGNAL IN AN AMPLIFIER...
Publication number
20130300508
Publication date
Nov 14, 2013
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CIRCUIT AND METHOD OF AMPLIFYING A SIGNAL IN AN AMPLIFIER...
Publication number
20120242413
Publication date
Sep 27, 2012
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CIRCUIT AND METHOD OF AMPLIFYING A SIGNAL IN AN AMPLIFIER...
Publication number
20110221533
Publication date
Sep 15, 2011
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CIRCUIT
Publication number
20100219888
Publication date
Sep 2, 2010
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Miniature Speaker Device and Television Set
Publication number
20090316933
Publication date
Dec 24, 2009
Funai Electric Co., Ltd.
Isao Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD OF LIMITING THE MAXIMUM PERMITTED SOUND VOLUME IN AN EARPHON...
Publication number
20090252349
Publication date
Oct 8, 2009
PELTOR AB
Roger Kihlberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTOMATIC GAIN CONTROL CIRCUIT FOR VOLUME CONTROL AND CORRESPONDING...
Publication number
20080318539
Publication date
Dec 25, 2008
Creative Technology Ltd.
Kok Ghay WONG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method for adjusting sound volume for televisions and...
Publication number
20050238184
Publication date
Oct 27, 2005
HON HAI Precision Industry CO., LTD.
Kuan-Hong Hsieh
H03 - BASIC ELECTRONIC CIRCUITRY