using ionised gas

Industry

CPC
H04R23/004

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Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R23/00Transducers other than those covered by groups H04R9/00 - H04R21/00

Current Industry

H04R23/004using ionised gas

Industries

Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus to communicate via a welding arc
- Patent number 11,717,905
- Issue date Aug 8, 2023
- Illinois Tool Works Inc.
- Craig Steven Knoener
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tunable electrostatic ion and fluid flow generator and electroacous...
- Patent number 11,273,465
- Issue date Mar 15, 2022
- Desaraju Subrahmanyam
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus to communicate via a welding arc
- Patent number 10,596,651
- Issue date Mar 24, 2020
- Illinois Tool Works Inc.
- Craig Steven Knoener
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma speaker
- Patent number 10,567,887
- Issue date Feb 18, 2020
- Paul Gilligan
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Electroacoustic transducer with axial electric field
- Patent number 10,506,350
- Issue date Dec 10, 2019
- AGA ad Media, LLP
- Maksym Viktorovich Chyzhov
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatuses and methods for sound recording, manipulation, distribu...
- Patent number 9,906,870
- Issue date Feb 27, 2018
- Aalap Rajendra Shah
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dynamic acoustic impedance matching device and method
- Patent number 9,674,616
- Issue date Jun 6, 2017
- The United States of America as represented by the Secretary of the Navy
- Anthony A. Ruffa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Porting audio using a connector in a small form factor electronic d...
- Patent number 9,602,914
- Issue date Mar 21, 2017
- Apple Inc.
- Anna-Katrina Shedletsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer having controlled ion generation
- Patent number 9,445,202
- Issue date Sep 13, 2016
- AGA ad Media, LLP
- Maksym Viktorovich Chyzhov
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electro-acoustic transducer
- Patent number 9,332,355
- Issue date May 3, 2016
- Kabushiki Kaisha Audio Technica
- Hiroshi Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electro-acoustic transducer
- Patent number 9,301,042
- Issue date Mar 29, 2016
- Kabushiki Kaisha Audio Technica
- Hiroshi Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone
- Patent number 9,100,741
- Issue date Aug 4, 2015
- Kabushiki Kaisha Audio Technica
- Hiroshi Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for converting electric signals into acoustic oscillations a...
- Patent number 8,085,957
- Issue date Dec 27, 2011
- Sergey Vladimirovich Shishov
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone circuit
- Patent number 8,009,843
- Issue date Aug 30, 2011
- Kabushiki Kaisha Audio-Technica
- Hiroshi Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photothermal acoustic device
- Patent number 5,717,774
- Issue date Feb 10, 1998
- Stephen G. Kole
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photothermal acoustic device
- Patent number 5,694,477
- Issue date Dec 2, 1997
- Stephen G. Kole
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gas-operated apparatus for making a noise under water
- Patent number 5,375,100
- Issue date Dec 20, 1994
- Abbotsbury Software Limited
- Timothy R. Snape
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmitting information using arc
- Patent number 5,220,246
- Issue date Jun 15, 1993
- Mitsubishi Jukogyo Kabushiki Kaisha
- Eizo Ide
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrokinetic transducing methods and apparatus and systems compri...
- Patent number 4,789,801
- Issue date Dec 6, 1988
- Zenion Industries, Inc.
- Jimmy L. Lee
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Transducer for the transformation of electrical modulations into vi...
- Patent number 4,482,788
- Issue date Nov 13, 1984
- Siegfried Klein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process and device for converting a periodic LF electric voltage in...
- Patent number 4,460,809
- Issue date Jul 17, 1984
- Henri B. Bondar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound emitter
- Patent number 4,306,120
- Issue date Dec 15, 1981
- Siegfried Klein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3565209
- Patent number 3,565,209
- Issue date Feb 23, 1971
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
3518462
- Patent number 3,518,462
- Issue date Jun 30, 1970
- G05 - CONTROLLING REGULATING
Information Patent Grant
3516286
- Patent number 3,516,286
- Issue date Jun 23, 1970
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
3476887
- Patent number 3,476,887
- Issue date Nov 4, 1969
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3177288
- Patent number 3,177,288
- Issue date Apr 6, 1965
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3105124
- Patent number 3,105,124
- Issue date Sep 24, 1963
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3046415
- Patent number 3,046,415
- Issue date Jul 24, 1962
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3022385
- Patent number 3,022,385
- Issue date Feb 20, 1962
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND APPARATUS TO COMMUNICATE VIA A WELDING ARC
- Publication number 20230381880
- Publication date Nov 30, 2023
- Illinois Tool Works Inc.
- Craig Steven Knoener
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
TUNABLE ELECTROSTATIC ION AND FLUID FLOW GENERATOR AND ELECTROACOUS...
- Publication number 20220080459
- Publication date Mar 17, 2022
- DESARAJU SUBRAHMANYAM
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND APPARATUS TO COMMUNICATE VIA A WELDING ARC
- Publication number 20200215637
- Publication date Jul 9, 2020
- Illinois Tool Works Inc.
- Craig Steven Knoener
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTROACOUSTIC TRANSDUCER WITH AXIAL ELECTRIC FIELD
- Publication number 20190239002
- Publication date Aug 1, 2019
- AGA Ad Media, LLP
- Maksym Viktorovich CHYZHOV
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PLASMA SPEAKER
- Publication number 20190215616
- Publication date Jul 11, 2019
- Paul Gilligan
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
EFFECTS DEVICE FOR USE WITH AUDIO SOURCES
- Publication number 20190104361
- Publication date Apr 4, 2019
- Matthew Alexander ABEL
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ELECTRO-ACOUSTIC TRANSDUCER
- Publication number 20140369532
- Publication date Dec 18, 2014
- KABUSHIKI KAISHA AUDIO-TECHNICA
- Hiroshi Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRO-ACOUSTIC TRANSDUCER
- Publication number 20130223647
- Publication date Aug 29, 2013
- Hiroshi Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR CONVERTING ELECTRIC SIGNALS INTO ACOUSTIC OSCILLATIONS A...
- Publication number 20100046789
- Publication date Feb 25, 2010
- Sergey Vladimirovich Shishov
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MICROPHONE CIRCUIT
- Publication number 20070269058
- Publication date Nov 22, 2007
- KABUSHIKI KAISHA AUDIO-TECHNICA
- Hiroshi Akino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using ionised gas

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods and apparatus to communicate via a welding arc

Tunable electrostatic ion and fluid flow generator and electroacous...

Methods and apparatus to communicate via a welding arc

Plasma speaker

Electroacoustic transducer with axial electric field

Apparatuses and methods for sound recording, manipulation, distribu...

Dynamic acoustic impedance matching device and method

Porting audio using a connector in a small form factor electronic d...

Electroacoustic transducer having controlled ion generation

Electro-acoustic transducer

Electro-acoustic transducer

Microphone

Method for converting electric signals into acoustic oscillations a...

Microphone circuit

Photothermal acoustic device

Photothermal acoustic device

Gas-operated apparatus for making a noise under water

Method and apparatus for transmitting information using arc

Electrokinetic transducing methods and apparatus and systems compri...

Transducer for the transformation of electrical modulations into vi...

Process and device for converting a periodic LF electric voltage in...

Sound emitter

3565209

3518462

3516286

3476887

3177288

3105124

3046415

3022385

Patents Applicationslast 30 patents

METHODS AND APPARATUS TO COMMUNICATE VIA A WELDING ARC

TUNABLE ELECTROSTATIC ION AND FLUID FLOW GENERATOR AND ELECTROACOUS...

METHODS AND APPARATUS TO COMMUNICATE VIA A WELDING ARC

ELECTROACOUSTIC TRANSDUCER WITH AXIAL ELECTRIC FIELD

PLASMA SPEAKER

EFFECTS DEVICE FOR USE WITH AUDIO SOURCES

ELECTRO-ACOUSTIC TRANSDUCER

ELECTRO-ACOUSTIC TRANSDUCER

METHOD FOR CONVERTING ELECTRIC SIGNALS INTO ACOUSTIC OSCILLATIONS A...

MICROPHONE CIRCUIT