Electric megaphones

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CPC
H04R27/04

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HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R27/00Public address systems

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H04R27/04Electric megaphones

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Patents Grantslast 30 patents

Information Patent Grant
Transmitting messages to a display device based on detected audio o...
- Patent number 11,954,400
- Issue date Apr 9, 2024
- ROKU, INC.
- Daniel Martin Daly
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Volume control over shared trunk lines in intercom systems
- Patent number 11,722,603
- Issue date Aug 8, 2023
- Robert Bosch GmbH
- James Puttick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated karaoke device
- Patent number 11,495,199
- Issue date Nov 8, 2022
- Shenzhen Teana Technology Co., Ltd.
- Guangguo You
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Volume control over shared trunk lines in intercom systems
- Patent number 11,438,461
- Issue date Sep 6, 2022
- Robert Bosch GmbH
- James Puttick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting messages to a display device based on detected audio o...
- Patent number 11,169,771
- Issue date Nov 9, 2021
- ROKU, INC.
- Daniel Martin Daly
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Integrated karaoke device
- Patent number 11,030,986
- Issue date Jun 8, 2021
- Shenzhen Teana Technology Co., Ltd.
- Guangguo You
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice amplification apparatus for personal protective equipment
- Patent number 11,006,231
- Issue date May 11, 2021
- April Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wearable sound system with configurable privacy modes
- Patent number 10,838,690
- Issue date Nov 17, 2020
- Harman International Industries, Incorporated
- Jaime Elliot Nahman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Self-adjusting spherical speaker
- Patent number 10,611,301
- Issue date Apr 7, 2020
- YUYAO FEITE PLASTIC CO., LTD.
- Shanqin Zhang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Audio transmission system
- Patent number 10,602,287
- Issue date Mar 24, 2020
- QUALITYSOFT CORPORATION
- Makoto Miyawaki
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Wearable sound system with configurable privacy modes
- Patent number 10,540,138
- Issue date Jan 21, 2020
- Harman International Industries, Incorporated
- Jaime Elliot Nahman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Integrated karaoke device
- Patent number 10,504,497
- Issue date Dec 10, 2019
- Shenzhen Teana Technology Co., Ltd.
- Guangguo You
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System for supporting emergency vehicle using drone
- Patent number 10,223,914
- Issue date Mar 5, 2019
- Mando Corporation
- Man Bok Park
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Modular voice amplification system for protective mask
- Patent number 9,560,459
- Issue date Jan 31, 2017
- D. Wheatley Enterprises, Inc.
- David Wheatley
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Audio control system and electronic device using same
- Patent number 9,277,338
- Issue date Mar 1, 2016
- ScienBiziP Consulting(Shenzhen) Co.,Ltd.
- Lei Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Megaphone
- Patent number 9,014,389
- Issue date Apr 21, 2015
- Nielsen Kellerman Co.
- Thomas Dooley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless listening system
- Patent number 8,155,362
- Issue date Apr 10, 2012
- Plantronics, Inc.
- Dutton Chris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Air-droppable loudspeaker
- Patent number 8,155,339
- Issue date Apr 10, 2012
- Conquest Innovations LLC
- Terry J. Conrad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic projector for propagating a low dispersion sound field
- Patent number 7,912,234
- Issue date Mar 22, 2011
- Curtis E. Graber
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Parametric ring emitter
- Patent number 7,088,830
- Issue date Aug 8, 2006
- American Technology Corporation
- Elwood G. Norris
- F41 - WEAPONS
Information Patent Grant
Method and apparatus for a portable public address system
- Patent number 6,947,566
- Issue date Sep 20, 2005
- Raymond L. Mears
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Parametric ring emitter
- Patent number 6,359,990
- Issue date Mar 19, 2002
- American Technology Corporation
- Elwood G. Norris
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Public alarm for cochlear implant
- Patent number 5,941,905
- Issue date Aug 24, 1999
- Cochlear Limited
- Peter Single
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Portable voice amplifier
- Patent number 5,640,459
- Issue date Jun 17, 1997
- Edwin E. Hedeen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable information reproducing and voice amplifying apparatus
- Patent number 5,383,079
- Issue date Jan 17, 1995
- Seiko Epson Corporation
- Hideo Takao
- G11 - INFORMATION STORAGE
Information Patent Grant
Portable audio apparatus
- Patent number 5,349,480
- Issue date Sep 20, 1994
- Seiko Epson Corporation
- Hideo Takao
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Portable information reproducing and voice amplifying apparatus
- Patent number 5,303,109
- Issue date Apr 12, 1994
- Seiko Epson Corporation
- Hideo Takao
- G11 - INFORMATION STORAGE
Information Patent Grant
Portable audio apparatus
- Patent number 5,225,944
- Issue date Jul 6, 1993
- Seiko Epson Corporation
- Hideo Takao
- G11 - INFORMATION STORAGE
Information Patent Grant
Portable information reproducing and voice amplifying apparatus
- Patent number 5,208,717
- Issue date May 4, 1993
- Seiko Epson Corporation
- Hideo Takao
- G11 - INFORMATION STORAGE
Information Patent Grant
Sound reinforcement system
- Patent number 5,115,470
- Issue date May 19, 1992
- Peter E. Sutheim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMITTING MESSAGES TO A DISPLAY DEVICE BASED ON DETECTED AUDIO O...
- Publication number 20240220192
- Publication date Jul 4, 2024
- Roku, Inc.
- Daniel Martin DALY
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOLUME CONTROL OVER SHARED TRUNK LINES IN INTERCOM SYSTEMS
- Publication number 20220377180
- Publication date Nov 24, 2022
- ROBERT BOSCH GmbH
- James Puttick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING MESSAGES TO A DISPLAY DEVICE BASED ON DETECTED AUDIO O...
- Publication number 20220156037
- Publication date May 19, 2022
- Roku, Inc.
- Daniel Martin DALY
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOLUME CONTROL OVER SHARED TRUNK LINES IN INTERCOM SYSTEMS
- Publication number 20220124202
- Publication date Apr 21, 2022
- ROBERT BOSCH GmbH
- James Puttick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTEGRATED KARAOKE DEVICE
- Publication number 20200118533
- Publication date Apr 16, 2020
- Shenzhen Teana Technology Co., Ltd.
- Guangguo YOU
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
WEARABLE SOUND SYSTEM WITH CONFIGURABLE PRIVACY MODES
- Publication number 20200117420
- Publication date Apr 16, 2020
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- Jaime Elliot NAHMAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUDIO TRANSMISSION SYSTEM
- Publication number 20190297438
- Publication date Sep 26, 2019
- QualitySoft Corporation
- Makoto MIYAWAKI
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
SELF-ADJUSTING SPHERICAL SPEAKER
- Publication number 20190225146
- Publication date Jul 25, 2019
- Yuyao Decheng Technology Consulting Co., Ltd.
- Shanqin ZHANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
WEARABLE SOUND SYSTEM WITH CONFIGURABLE PRIVACY MODES
- Publication number 20190227766
- Publication date Jul 25, 2019
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- Jaime Elliot NAHMAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MODULAR VOICE AMPLIFICATION SYSTEM FOR PROTECTIVE MASK
- Publication number 20160021472
- Publication date Jan 21, 2016
- David Wheatley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO CONTROL SYSTEM AND ELECTRONIC DEVICE USING SAME
- Publication number 20140307892
- Publication date Oct 16, 2014
- HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
- LEI LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIFUNCTION MOUTH MASK
- Publication number 20140169612
- Publication date Jun 19, 2014
- Michael Shih
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEGAPHONE
- Publication number 20140029760
- Publication date Jan 30, 2014
- Thomas Dooley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System for targeting directed acoustical energy
- Publication number 20120267187
- Publication date Oct 25, 2012
- Curtis E. Graber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HEARING ASSISTANCE SYSTEM
- Publication number 20120114158
- Publication date May 10, 2012
- Phonak AG
- Stefan Gysin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONDENSER MICROPHONE ASSEMBLY WITH FLOATING CONFIGURATION
- Publication number 20110268296
- Publication date Nov 3, 2011
- BSE CO., LTD.
- Chung Dam SONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SELF-STEERING DIRECTIONAL LOUDSPEAKERS AND A METHOD OF OPERATION TH...
- Publication number 20110096941
- Publication date Apr 28, 2011
- Alcatel-Lucent USA, Incorporated
- Thomas L. Marzetta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Wireless listening system
- Publication number 20090141918
- Publication date Jun 4, 2009
- Dutton Chris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-purpose speaker
- Publication number 20060269083
- Publication date Nov 30, 2006
- Shaoming Liang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Air-droppable loudspeaker
- Publication number 20060198534
- Publication date Sep 7, 2006
- Conquest Innovations LLC
- Terry J. Conrad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Parametric ring emitter
- Publication number 20050226438
- Publication date Oct 13, 2005
- Elwood G. Norris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for a portable public address system
- Publication number 20030063754
- Publication date Apr 3, 2003
- Raymond L. Mears
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Parametric ring emitter
- Publication number 20020126854
- Publication date Sep 12, 2002
- American Technology Corporation
- Elwood G. Norris
- F41 - WEAPONS

Electric megaphones

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Transmitting messages to a display device based on detected audio o...

Volume control over shared trunk lines in intercom systems

Integrated karaoke device

Volume control over shared trunk lines in intercom systems

Transmitting messages to a display device based on detected audio o...

Integrated karaoke device

Voice amplification apparatus for personal protective equipment

Wearable sound system with configurable privacy modes

Self-adjusting spherical speaker

Audio transmission system

Wearable sound system with configurable privacy modes

Integrated karaoke device

System for supporting emergency vehicle using drone

Modular voice amplification system for protective mask

Audio control system and electronic device using same

Megaphone

Wireless listening system

Air-droppable loudspeaker

Acoustic projector for propagating a low dispersion sound field

Parametric ring emitter

Method and apparatus for a portable public address system

Parametric ring emitter

Public alarm for cochlear implant

Portable voice amplifier

Portable information reproducing and voice amplifying apparatus

Portable audio apparatus

Portable information reproducing and voice amplifying apparatus

Portable audio apparatus

Portable information reproducing and voice amplifying apparatus

Sound reinforcement system

Patents Applicationslast 30 patents

TRANSMITTING MESSAGES TO A DISPLAY DEVICE BASED ON DETECTED AUDIO O...

VOLUME CONTROL OVER SHARED TRUNK LINES IN INTERCOM SYSTEMS

TRANSMITTING MESSAGES TO A DISPLAY DEVICE BASED ON DETECTED AUDIO O...

VOLUME CONTROL OVER SHARED TRUNK LINES IN INTERCOM SYSTEMS

INTEGRATED KARAOKE DEVICE

WEARABLE SOUND SYSTEM WITH CONFIGURABLE PRIVACY MODES

AUDIO TRANSMISSION SYSTEM

SELF-ADJUSTING SPHERICAL SPEAKER

WEARABLE SOUND SYSTEM WITH CONFIGURABLE PRIVACY MODES

MODULAR VOICE AMPLIFICATION SYSTEM FOR PROTECTIVE MASK

AUDIO CONTROL SYSTEM AND ELECTRONIC DEVICE USING SAME

MULTIFUNCTION MOUTH MASK

MEGAPHONE

System for targeting directed acoustical energy

HEARING ASSISTANCE SYSTEM

CONDENSER MICROPHONE ASSEMBLY WITH FLOATING CONFIGURATION

SELF-STEERING DIRECTIONAL LOUDSPEAKERS AND A METHOD OF OPERATION TH...

Wireless listening system

Multi-purpose speaker

Air-droppable loudspeaker

Parametric ring emitter

Method and apparatus for a portable public address system

Parametric ring emitter