with junction-FET devices

Industry

CPC
H03F3/1855

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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

H03F3/1855with junction-FET devices

Industries

Patents Grantslast 30 patents

Information Patent Grant
Valve amplifiers
- Patent number 12,107,560
- Issue date Oct 1, 2024
- Blackstar Amplification Ltd.
- Paul James Stevens
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Pre-amplification conditioning circuit for a transducer audio device
- Patent number 12,021,490
- Issue date Jun 25, 2024
- Logitech Europe S.A.
- Aron Michael Rosenberg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pre-amplification conditioning circuit for a transducer audio device
- Patent number 11,711,058
- Issue date Jul 25, 2023
- Logitech Europe S.A.
- Aron Michael Rosenberg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Charge amplifier circuit for high-temperature piezoelectric transdu...
- Patent number 11,309,855
- Issue date Apr 19, 2022
- Meggitt (Orange County), Inc.
- Felix A. Levinzon
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Class-D amplifier and electronic apparatus
- Patent number 9,667,208
- Issue date May 30, 2017
- Kyocera Corporation
- Tsuneyasu Inukai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio amplifier mode transition
- Patent number 9,503,033
- Issue date Nov 22, 2016
- Hewlett-Packard Development Company, L.P.
- Hsin-Tso Lin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit for use with a loudspeaker for portable equipments
- Patent number 9,288,574
- Issue date Mar 15, 2016
- ST-Ericsson SA
- Sergio Pernici
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier using voltage variable power supply
- Patent number 9,136,799
- Issue date Sep 15, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Seigo Ozaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Split cascode line amplifier for current-mode signal transmission
- Patent number 8,134,385
- Issue date Mar 13, 2012
- Joseph Gwinn
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifying element and manufacturing method thereof
- Patent number 8,107,644
- Issue date Jan 31, 2012
- Sanyo Semiconductor Co., Ltd.
- Eio Onodera
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit for electric microphone
- Patent number 6,218,883
- Issue date Apr 17, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Takanobu Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Non-linear asymmetrical audio amplifiers
- Patent number 6,057,737
- Issue date May 2, 2000
- Eric K. Pritchard
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise amplifier for microphone
- Patent number 5,589,799
- Issue date Dec 31, 1996
- Tibbetts Industries, Inc.
- Peter L. Madaffari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier device for a condenser microphone
- Patent number 5,579,397
- Issue date Nov 26, 1996
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Ikeda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transformerless audio amplifier
- Patent number 5,498,997
- Issue date Mar 12, 1996
- Cristopher F. Schiebold
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Self-biasing, low noise amplifier of extended dynamic range
- Patent number 5,097,224
- Issue date Mar 17, 1992
- Telex Communications, Inc.
- Peter L. Madaffari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High input impedance circuit
- Patent number 4,629,910
- Issue date Dec 16, 1986
- AT&T Bell Laboratories
- Scott H. Early
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Feedback amplifier circuit including cascade connected field effect...
- Patent number 4,591,802
- Issue date May 27, 1986
- NEC Corporation
- Hiroshi Asazawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High input impedance low output impedance amplifier
- Patent number 4,567,445
- Issue date Jan 28, 1986
- Telefonaktiebolaget LM Ericsson
- Bengt O. Berg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Impedance transformer circuit
- Patent number 4,521,741
- Issue date Jun 4, 1985
- AKG Akustische u. Kino-Gerate Gesellschaft m.b.H.
- Ernst Ruberl
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current repeater
- Patent number 4,473,794
- Issue date Sep 25, 1984
- AT&T Bell Laboratories
- Scott H. Early
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise tuned amplifier
- Patent number 4,437,069
- Issue date Mar 13, 1984
- The United States of America as represented by the administrator of the Natio...
- Leonard L. Kleinberg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier with separate AC and DC feedback loops
- Patent number 4,274,058
- Issue date Jun 16, 1981
- Sony Corporation
- Tadao Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low-noise preamplifier
- Patent number 4,255,769
- Issue date Mar 10, 1981
- American Optical Corporation
- Thomas K. Naylor
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise-high gain JFET amplifier for a piezoelectric transducer
- Patent number 4,214,215
- Issue date Jul 22, 1980
- Contact Communication Corporation
- Arthur J. Mellen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Connecting cable
- Patent number 4,214,214
- Issue date Jul 22, 1980
- George W. Merriman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio amplifier
- Patent number 4,163,198
- Issue date Jul 31, 1979
- David W. Berning
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transistor amplifier
- Patent number 4,037,169
- Issue date Jul 19, 1977
- Sony Corporation
- Tadao Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Field effect transistor amplifier
- Patent number 4,021,751
- Issue date May 3, 1977
- Sony Corporation
- Tadao Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal amplifier circuit with a field effect transistor having curr...
- Patent number 4,008,442
- Issue date Feb 15, 1977
- Tokyo Shibaura Electric Co., Ltd.
- Shigeru Todokoro
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
PRE-AMPLIFICATION CONDITIONING CIRCUIT FOR A TRANSDUCER AUDIO DEVICE
- Publication number 20230261617
- Publication date Aug 17, 2023
- Aron Michael Rosenberg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PRE-AMPLIFICATION CONDITIONING CIRCUIT FOR A TRANSDUCER AUDIO DEVICE
- Publication number 20230246604
- Publication date Aug 3, 2023
- Aron Michael Rosenberg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MUSICAL INSTRUMENT PREAMPLIFIER
- Publication number 20230089860
- Publication date Mar 23, 2023
- Paul R. Higgins
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VALVE AMPLIFIERS
- Publication number 20220385253
- Publication date Dec 1, 2022
- Blackstar Amplification Ltd.
- Paul James Stevens
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
CHARGE AMPLIFIER CIRCUIT FOR HIGH-TEMPERATURE PIEZOELECTRIC TRANSDU...
- Publication number 20210250008
- Publication date Aug 12, 2021
- Meggitt (Orange County), Inc.
- FELIX A. LEVINZON
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
ADAPTIVE-SNR ULTRA-LOW-POWER ULTRA-LOW-NOISE MICROPHONE
- Publication number 20180375482
- Publication date Dec 27, 2018
- WIZEDSP LTD.
- OZ GABAI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AN ULTRA-LOW-POWER ULTRA-LOW-NOISE MICROPHONE
- Publication number 20180206043
- Publication date Jul 19, 2018
- WIZEDSP LTD.
- OZ GABAI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AUDIO AMPLIFIER MODE TRANSITION
- Publication number 20140294204
- Publication date Oct 2, 2014
- HAWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Hsin-Tso Lin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER
- Publication number 20130108081
- Publication date May 2, 2013
- PANASONIC CORPORATION
- Seigo Ozaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFYING ELEMENT AND MANUFACTURING METHOD THEREOF
- Publication number 20090245543
- Publication date Oct 1, 2009
- SANYO ELECTRIC CO., LTD.
- Eio Onodera
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Split cascode line amplifier for current-mode signal transmission
- Publication number 20050146389
- Publication date Jul 7, 2005
- Joseph Gwinn
- H03 - BASIC ELECTRONIC CIRCUITRY

with junction-FET devices

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Valve amplifiers

Pre-amplification conditioning circuit for a transducer audio device

Pre-amplification conditioning circuit for a transducer audio device

Charge amplifier circuit for high-temperature piezoelectric transdu...

Class-D amplifier and electronic apparatus

Audio amplifier mode transition

Circuit for use with a loudspeaker for portable equipments

Amplifier using voltage variable power supply

Split cascode line amplifier for current-mode signal transmission

Amplifying element and manufacturing method thereof

Semiconductor integrated circuit for electric microphone

Non-linear asymmetrical audio amplifiers

Low noise amplifier for microphone

Amplifier device for a condenser microphone

Transformerless audio amplifier

Self-biasing, low noise amplifier of extended dynamic range

High input impedance circuit

Feedback amplifier circuit including cascade connected field effect...

High input impedance low output impedance amplifier

Impedance transformer circuit

Current repeater

Low noise tuned amplifier

Amplifier with separate AC and DC feedback loops

Low-noise preamplifier

Low noise-high gain JFET amplifier for a piezoelectric transducer

Connecting cable

Audio amplifier

Transistor amplifier

Field effect transistor amplifier

Signal amplifier circuit with a field effect transistor having curr...

Patents Applicationslast 30 patents

PRE-AMPLIFICATION CONDITIONING CIRCUIT FOR A TRANSDUCER AUDIO DEVICE

PRE-AMPLIFICATION CONDITIONING CIRCUIT FOR A TRANSDUCER AUDIO DEVICE

MUSICAL INSTRUMENT PREAMPLIFIER

VALVE AMPLIFIERS

CHARGE AMPLIFIER CIRCUIT FOR HIGH-TEMPERATURE PIEZOELECTRIC TRANSDU...

ADAPTIVE-SNR ULTRA-LOW-POWER ULTRA-LOW-NOISE MICROPHONE

AN ULTRA-LOW-POWER ULTRA-LOW-NOISE MICROPHONE

AUDIO AMPLIFIER MODE TRANSITION

AMPLIFIER

AMPLIFYING ELEMENT AND MANUFACTURING METHOD THEREOF

Split cascode line amplifier for current-mode signal transmission