using Darlington transistors

Industry

CPC
H03F3/3077

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Parent Industries

HELECTRICITY H03Electronic circuits H03FAMPLIFIERS H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements

Current Industry

H03F3/3077using Darlington transistors

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Amplification circuit
- Patent number 9,246,448
- Issue date Jan 26, 2016
- Sony Corporation
- Hideaki Shiobara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High efficiency power amplifier
- Patent number 6,236,273
- Issue date May 22, 2001
- Pairgain Technologies, Inc.
- Lanny L. Lewyn
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device having SEPP connected NPN and PNP transistors
- Patent number 6,054,898
- Issue date Apr 25, 2000
- Kabushiki Kaisha Kenwood
- Tatsuhiko Okuma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low offset push-pull amplifier
- Patent number 5,963,065
- Issue date Oct 5, 1999
- SGS Thomson Microelectronics S.r.l.
- Roberto Alini
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low-power transconductance driver amplifier
- Patent number 5,798,668
- Issue date Aug 25, 1998
- Thomson Consumer Electronics, Inc.
- John Barrett George
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low distortion amplifier
- Patent number 5,768,399
- Issue date Jun 16, 1998
- Audio Technica U.S., Inc.
- Kelly E. Statham
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Working point adjusting circuit for a single power amplifier having...
- Patent number 5,162,752
- Issue date Nov 10, 1992
- Lakatos; Josef
- Gyula Padi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Working point adjusting circuit for a power amplifier
- Patent number 5,070,308
- Issue date Dec 3, 1991
- Gyula Padi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog power amplifier
- Patent number 4,866,398
- Issue date Sep 12, 1989
- Zdzislaw Gulczynski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High slew rate linear amplifier
- Patent number 4,837,523
- Issue date Jun 6, 1989
- Elantec
- John W. Wright
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Linear amplifier with transient current boost
- Patent number 4,833,424
- Issue date May 23, 1989
- Elantec
- John W. Wright
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio amplifier
- Patent number 4,797,633
- Issue date Jan 10, 1989
- Video Sound, Inc.
- Theodore J. Humphrey
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio amplifier
- Patent number 4,638,260
- Issue date Jan 20, 1987
- James P. Hamley
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High output programmable signal current source for low output imped...
- Patent number 4,613,810
- Issue date Sep 23, 1986
- The United States of America as represented by the Secretary of the Navy
- Daniel G. Jablonski
- G05 - CONTROLLING REGULATING
Information Patent Grant
Emitter-follower type single-ended push-pull circuit
- Patent number 4,595,883
- Issue date Jun 17, 1986
- Pioneer Electronic Corporation
- Kazuaki Nakayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Emitter-follower type SEPP circuit
- Patent number 4,558,288
- Issue date Dec 10, 1985
- Pioneer Electronic Corporation
- Kazuaki Nakayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bias current compensated amplifier
- Patent number 4,521,740
- Issue date Jun 4, 1985
- Pioneer Electronic Corporation
- Kazuaki Nakayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Emitter follower type SEPP circuit
- Patent number 4,520,323
- Issue date May 28, 1985
- Pioneer Electronic Corporation
- Kazuaki Nakayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise power amplifier circuit
- Patent number 4,500,849
- Issue date Feb 19, 1985
- Pioneoer Electronic Corporation
- Kazuaki Nakayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier
- Patent number 4,489,283
- Issue date Dec 18, 1984
- Mitsubishi Denki Kabushiki Kaisha
- Yasuhiro Ishizaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Motor drive amplifier
- Patent number 4,383,205
- Issue date May 10, 1983
- Sony Corporation
- Barrett E. Guisinger
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Push-pull amplifier circuit
- Patent number 4,370,623
- Issue date Jan 25, 1983
- Kabushiki Kaisha Nagasawa
- Hideki Nagasawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class A push-pull amplifier with bias controlling circuit
- Patent number 4,356,452
- Issue date Oct 26, 1982
- Nippon Gakki Seizo Kabushiki Kaisha
- Masayuki Iwamatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier circuitry
- Patent number 4,342,966
- Issue date Aug 3, 1982
- Trio Kabushiki Kaisha
- Eijiro Tamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Push-pull amplifier
- Patent number 4,306,199
- Issue date Dec 15, 1981
- Victor Company of Japan, Ltd.
- Hikaru Kondou
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Single ended push-pull amplifier
- Patent number 4,274,059
- Issue date Jun 16, 1981
- Victor Company of Japan, Limited
- Yasuhisa Okabe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic bias adjusting circuit
- Patent number 4,237,425
- Issue date Dec 2, 1980
- David A. Spiegel
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Differential amplifiers
- Patent number 4,229,705
- Issue date Oct 21, 1980
- Sansui Electric Co., Ltd.
- Susumu Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic power amplifier for delivering a constant power into a l...
- Patent number 4,095,189
- Issue date Jun 13, 1978
- Paul Nguyen-Tan Tai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio-frequency power amplifiers
- Patent number 4,068,187
- Issue date Jan 10, 1978
- Hitachi, Ltd.
- Nobutaka Amada
- H03 - BASIC ELECTRONIC CIRCUITRY

using Darlington transistors

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Amplification circuit

High efficiency power amplifier

Semiconductor device having SEPP connected NPN and PNP transistors

Low offset push-pull amplifier

Low-power transconductance driver amplifier

Low distortion amplifier

Working point adjusting circuit for a single power amplifier having...

Working point adjusting circuit for a power amplifier

Analog power amplifier

High slew rate linear amplifier

Linear amplifier with transient current boost

Audio amplifier

Audio amplifier

High output programmable signal current source for low output imped...

Emitter-follower type single-ended push-pull circuit

Emitter-follower type SEPP circuit

Bias current compensated amplifier

Emitter follower type SEPP circuit

Low noise power amplifier circuit

Power amplifier

Motor drive amplifier

Push-pull amplifier circuit

Class A push-pull amplifier with bias controlling circuit

Power amplifier circuitry

Push-pull amplifier

Single ended push-pull amplifier

Automatic bias adjusting circuit

Differential amplifiers

Electronic power amplifier for delivering a constant power into a l...

Audio-frequency power amplifiers

Patents Applicationslast 30 patents