Diaphragms comprising cellulose-like materials

Industry

CPC
H04R2307/021

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R2307/00Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups

Current Industry

H04R2307/021Diaphragms comprising cellulose-like materials

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Speaker diaphragm and headphone
- Patent number 11,979,724
- Issue date May 7, 2024
- Yamaha Corporation
- Hiroshi Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mid-range loudspeaker
- Patent number 11,950,072
- Issue date Apr 2, 2024
- SUZHOU SONAVOX ELECTRONICS CO., LTD
- Guoqiang Chai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Headphone and headset comprising the same
- Patent number 11,758,318
- Issue date Sep 12, 2023
- FLATVOX FZC LLC
- Dmitry Vladimirovich Petrenko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Biodegradable microphone
- Patent number 11,758,332
- Issue date Sep 12, 2023
- United States of America as represented by the Secretary of the Navy
- Joshua M Kogot
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-dispensing manufacturing process for making speaker and speaker...
- Patent number 11,432,091
- Issue date Aug 30, 2022
- TYMPHANY ACOUSTIC TECHNOLOGY LIMITED
- Hung Chi Lin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Diaphragm for electroacoustic transducer
- Patent number 11,317,213
- Issue date Apr 26, 2022
- Foster Electric Company, Limited
- Hisami Kajiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
External noise control for a loudspeaker
- Patent number 11,095,974
- Issue date Aug 17, 2021
- Harman International Industries, Incorporated
- Brandon Michael Wheeler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker diaphragm structure
- Patent number 10,771,900
- Issue date Sep 8, 2020
- Fu-Jen Catholic University
- Ching-Bore Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus, system, and method for audio amplified combustion
- Patent number 10,715,918
- Issue date Jul 14, 2020
- Jordan Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Oscillatory component for loudspeakers, loudspeaker comprising same...
- Patent number 10,708,693
- Issue date Jul 7, 2020
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tomonori Shibuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auto-calibrating noise canceling headphone
- Patent number 10,708,682
- Issue date Jul 7, 2020
- Harman International Industries, Incorporated
- Ulrich Horbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic diaphragm including graphene and acoustic device employing...
- Patent number 10,681,464
- Issue date Jun 9, 2020
- Samsung Electronics Co., Ltd.
- Sangwon Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diaphragm and speaker
- Patent number 10,667,058
- Issue date May 26, 2020
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Gang Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Manufacturing method of a speaker vibrating diaphragm by controllin...
- Patent number 10,645,510
- Issue date May 5, 2020
- Hiroshi Ohara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Speaker vibrating member and method of making the same
- Patent number 10,587,955
- Issue date Mar 10, 2020
- Hiroshi Ohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker structure
- Patent number 10,567,882
- Issue date Feb 18, 2020
- TYMPHANY ACOUSTIC TECHNOLOGY (HUIZHOU) CO., LTD.
- Changlin Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker diaphragm and loudspeaker including same
- Patent number 10,375,478
- Issue date Aug 6, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Shuichi Konno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker diaphragm, manufacturing method for the same, and louds...
- Patent number 10,327,085
- Issue date Jun 18, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Hidetoshi Hiraoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker device
- Patent number 10,291,997
- Issue date May 14, 2019
- GoerTek Inc.
- Xiaodong Cai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auto-calibrating noise canceling headphone
- Patent number 10,219,067
- Issue date Feb 26, 2019
- Harman International Industries, Incorporated
- Ulrich Horbach
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio demonstration kit
- Patent number 10,134,295
- Issue date Nov 20, 2018
- Bose Corporation
- Lee Zamir
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker diaphragm and manufacturing method thereof
- Patent number 9,838,817
- Issue date Dec 5, 2017
- GoerTek Inc.
- Xiuli Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker diaphragm, and loudspeaker, electronic device and mobil...
- Patent number 9,781,515
- Issue date Oct 3, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tomonori Shibuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic diaphragm
- Patent number 9,769,570
- Issue date Sep 19, 2017
- Bose Corporation
- Agota F. Fehervari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic diaphragm
- Patent number 9,743,190
- Issue date Aug 22, 2017
- Bose Corporation
- Agota F. Fehervari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker membrane and method for manufacturing such a membrane
- Patent number 9,633,648
- Issue date Apr 25, 2017
- FOCAL JMLAB
- Bruno De La Nouvelle
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Loudspeaker, electronic apparatus using loudspeaker, and mobile equ...
- Patent number 9,628,916
- Issue date Apr 18, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takafumi Yuasa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Loudspeaker, electronic apparatus using loudspeaker, and mobile equ...
- Patent number 9,596,545
- Issue date Mar 14, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takafumi Yuasa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of manufacturing speaker with diaphragm arrangement
- Patent number 9,485,581
- Issue date Nov 1, 2016
- Hsin Min Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diaphragm, loudspeaker using diaphragm, electronic device and mobil...
- Patent number 9,438,997
- Issue date Sep 6, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yohei Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FLUX TRACKED VOICE-COIL SPEAKER
- Publication number 20250056161
- Publication date Feb 13, 2025
- Tymphany HK Limited
- Solal BOUCHET
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SPEAKER
- Publication number 20240414479
- Publication date Dec 12, 2024
- BENQ CORPORATION
- Tung-Ko Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIAPHRAGM, SOUND GENERATION DEVICE, AND METHOD FOR MANUFACTURING SO...
- Publication number 20240251214
- Publication date Jul 25, 2024
- LG ELECTRONICS INC.
- Sungdan LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HYBRID SUPPORTED ACOUSTIC MEMBRANE ASSEMBLY
- Publication number 20240205606
- Publication date Jun 20, 2024
- W.L. GORE & ASSOCIATES, INC.
- Seong Woo Lee
- B32 - LAYERED PRODUCTS
Information Patent Application
HIGH-FREQUENCY SOUND-EMITTING DEVICE
- Publication number 20240147160
- Publication date May 2, 2024
- FLATVOX FZC LLC
- Dmitry Vladimirovich PETRENKO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER
- Publication number 20230217199
- Publication date Jul 6, 2023
- FOSTER ELECTRIC COMPANY, LIMITED
- Hisami KAJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VIBRATION PLATE AND METHOD FOR MANUACTURING VIBRATION PLATE
- Publication number 20230156420
- Publication date May 18, 2023
- FOSTER ELECTRIC COMPANY, LIMITED
- Yusuke Sai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER
- Publication number 20210385580
- Publication date Dec 9, 2021
- FOSTER ELECTRIC COMPANY, LIMITED
- Hisami KAJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker Diaphragm and Headphone
- Publication number 20210297782
- Publication date Sep 23, 2021
- Yamaha Corporation
- Hiroshi NAKASHIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXTERNAL NOISE CONTROL FOR A LOUDSPEAKER
- Publication number 20210258680
- Publication date Aug 19, 2021
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- Brandon Michael WHEELER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NON-DISPENSING MANUFACTURING PROCESS FOR MAKING SPEAKER AND SPEAKER...
- Publication number 20210211820
- Publication date Jul 8, 2021
- Tymphany Acoustic Technology Limited
- Hung Chi LIN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
VIBRATION PLATE HAVING REINFORCED STRUCTURAL ELEMENT AND SPEAKER US...
- Publication number 20210092524
- Publication date Mar 25, 2021
- Eastech (Huiyang) Co., Ltd.
- Kheng-Wee LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker Diaphragm Structure
- Publication number 20200077195
- Publication date Mar 5, 2020
- FU-JEN CATHOLIC UNIVERSITY
- Ching-Bore WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MANUFACTURING METHOD OF A SPEAKER VIBRATING DIAPHRAGM BY CONTROLLIN...
- Publication number 20200045486
- Publication date Feb 6, 2020
- Hiroshi OHARA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ACOUSTIC DIAPHRAGM INCLUDING GRAPHENE AND ACOUSTIC DEVICE EMPLOYING...
- Publication number 20200015016
- Publication date Jan 9, 2020
- Samsung Electronics Co., Ltd.
- Sangwon Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR AUDIO AMPLIFIED COMBUSTION
- Publication number 20190373374
- Publication date Dec 5, 2019
- Jordan Miller
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
DIAPHRAGM AND SPEAKER
- Publication number 20190335276
- Publication date Oct 31, 2019
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Gang XIE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OSCILLATORY COMPONENT FOR LOUDSPEAKERS, LOUDSPEAKER COMPRISING SAME...
- Publication number 20190297423
- Publication date Sep 26, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- TOMONORI SHIBUYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTO-CALIBRATING NOISE CANCELING HEADPHONE
- Publication number 20190191238
- Publication date Jun 20, 2019
- HARMAN INTERNATIONAL INDUSTRIES, INC.
- ULRICH HORBACH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER ASSEMBLY AND ELECTRONIC DEVICE USING SAME
- Publication number 20190182600
- Publication date Jun 13, 2019
- FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
- WEN-JUAN LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER DIAPHRAGM, MANUFACTURING METHOD FOR THE SAME, AND LOUDS...
- Publication number 20180270595
- Publication date Sep 20, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- HIDETOSHI HIRAOKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20180152800
- Publication date May 31, 2018
- GOERTEK INC.
- Xiaodong CAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER VIBRATING MEMBER AND METHOD OF MAKING THE SAME
- Publication number 20170251307
- Publication date Aug 31, 2017
- Hiroshi OHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice Recognition Device, Voice Control System And Voice Communicat...
- Publication number 20160351192
- Publication date Dec 1, 2016
- Shenzhen Sigma Microelectronics Co., Ltd.
- Zhenquan Chu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Acoustic Diaphragm
- Publication number 20160295331
- Publication date Oct 6, 2016
- Bose Corporation
- Agota F. Fehervari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER DIAPHRAGM AND MANUFACTURING METHOD THEREOF
- Publication number 20160295329
- Publication date Oct 6, 2016
- Xiuli CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER, ELECTRONIC APPARATUS USING LOUDSPEAKER, AND MOBILE EQU...
- Publication number 20160234601
- Publication date Aug 11, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- Takafumi YUASA
- G02 - OPTICS
Information Patent Application
HEADPHONES AND HEADPHONE DRIVER
- Publication number 20140355780
- Publication date Dec 4, 2014
- Yoshinari Fukushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker with Diaphragm Arrangement
- Publication number 20140355813
- Publication date Dec 4, 2014
- TANG BAND INDUSTRIES CO., LTD.
- Hsin Min HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20140341401
- Publication date Nov 20, 2014
- GEM Impact Inc.
- Yutaka Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Diaphragms comprising cellulose-like materials

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Speaker diaphragm and headphone

Mid-range loudspeaker

Headphone and headset comprising the same

Biodegradable microphone

Non-dispensing manufacturing process for making speaker and speaker...

Diaphragm for electroacoustic transducer

External noise control for a loudspeaker

Speaker diaphragm structure

Apparatus, system, and method for audio amplified combustion

Oscillatory component for loudspeakers, loudspeaker comprising same...

Auto-calibrating noise canceling headphone

Acoustic diaphragm including graphene and acoustic device employing...

Diaphragm and speaker

Manufacturing method of a speaker vibrating diaphragm by controllin...

Speaker vibrating member and method of making the same

Loudspeaker structure

Loudspeaker diaphragm and loudspeaker including same

Loudspeaker diaphragm, manufacturing method for the same, and louds...

Speaker device

Auto-calibrating noise canceling headphone

Audio demonstration kit

Loudspeaker diaphragm and manufacturing method thereof

Loudspeaker diaphragm, and loudspeaker, electronic device and mobil...

Acoustic diaphragm

Acoustic diaphragm

Loudspeaker membrane and method for manufacturing such a membrane

Loudspeaker, electronic apparatus using loudspeaker, and mobile equ...

Loudspeaker, electronic apparatus using loudspeaker, and mobile equ...

Method of manufacturing speaker with diaphragm arrangement

Diaphragm, loudspeaker using diaphragm, electronic device and mobil...

Patents Applicationslast 30 patents

FLUX TRACKED VOICE-COIL SPEAKER

SPEAKER

DIAPHRAGM, SOUND GENERATION DEVICE, AND METHOD FOR MANUFACTURING SO...

HYBRID SUPPORTED ACOUSTIC MEMBRANE ASSEMBLY

HIGH-FREQUENCY SOUND-EMITTING DEVICE

DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER

VIBRATION PLATE AND METHOD FOR MANUACTURING VIBRATION PLATE

DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER

Speaker Diaphragm and Headphone

EXTERNAL NOISE CONTROL FOR A LOUDSPEAKER

NON-DISPENSING MANUFACTURING PROCESS FOR MAKING SPEAKER AND SPEAKER...

VIBRATION PLATE HAVING REINFORCED STRUCTURAL ELEMENT AND SPEAKER US...

Speaker Diaphragm Structure

MANUFACTURING METHOD OF A SPEAKER VIBRATING DIAPHRAGM BY CONTROLLIN...

ACOUSTIC DIAPHRAGM INCLUDING GRAPHENE AND ACOUSTIC DEVICE EMPLOYING...

APPARATUS, SYSTEM, AND METHOD FOR AUDIO AMPLIFIED COMBUSTION

DIAPHRAGM AND SPEAKER

OSCILLATORY COMPONENT FOR LOUDSPEAKERS, LOUDSPEAKER COMPRISING SAME...

AUTO-CALIBRATING NOISE CANCELING HEADPHONE

SPEAKER ASSEMBLY AND ELECTRONIC DEVICE USING SAME

LOUDSPEAKER DIAPHRAGM, MANUFACTURING METHOD FOR THE SAME, AND LOUDS...

SPEAKER DEVICE

SPEAKER VIBRATING MEMBER AND METHOD OF MAKING THE SAME

Voice Recognition Device, Voice Control System And Voice Communicat...

Acoustic Diaphragm

LOUDSPEAKER DIAPHRAGM AND MANUFACTURING METHOD THEREOF

LOUDSPEAKER, ELECTRONIC APPARATUS USING LOUDSPEAKER, AND MOBILE EQU...

HEADPHONES AND HEADPHONE DRIVER

Speaker with Diaphragm Arrangement

SPEAKER DEVICE