EP2721839A4 - Audio devices having electroactive polymer actuators - Google Patents

Audio devices having electroactive polymer actuators

Info

Publication number
EP2721839A4
EP2721839A4 EP12800526.1A EP12800526A EP2721839A4 EP 2721839 A4 EP2721839 A4 EP 2721839A4 EP 12800526 A EP12800526 A EP 12800526A EP 2721839 A4 EP2721839 A4 EP 2721839A4
Authority
EP
European Patent Office
Prior art keywords
electroactive polymer
audio devices
polymer actuators
actuators
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12800526.1A
Other languages
German (de)
French (fr)
Other versions
EP2721839A2 (en
Inventor
Alireza Zarrabi
Roger N Hitchcock
Silmon James Biggs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Intellectual Property GmbH
Original Assignee
Bayer Intellectual Property GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Intellectual Property GmbH filed Critical Bayer Intellectual Property GmbH
Publication of EP2721839A2 publication Critical patent/EP2721839A2/en
Publication of EP2721839A4 publication Critical patent/EP2721839A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details 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
    • H04R2307/025—Diaphragms comprising polymeric materials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Headphones And Earphones (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
EP12800526.1A 2011-06-16 2012-02-24 Audio devices having electroactive polymer actuators Withdrawn EP2721839A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161497556P 2011-06-16 2011-06-16
US201161564437P 2011-11-29 2011-11-29
PCT/US2012/026421 WO2012173669A2 (en) 2011-06-16 2012-02-24 Audio devices having electroactive polymer actuators

Publications (2)

Publication Number Publication Date
EP2721839A2 EP2721839A2 (en) 2014-04-23
EP2721839A4 true EP2721839A4 (en) 2015-01-07

Family

ID=47357657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12800526.1A Withdrawn EP2721839A4 (en) 2011-06-16 2012-02-24 Audio devices having electroactive polymer actuators

Country Status (7)

Country Link
EP (1) EP2721839A4 (en)
JP (1) JP2014519791A (en)
KR (1) KR20140041727A (en)
CN (1) CN103918283A (en)
CA (1) CA2839339A1 (en)
TW (1) TW201306609A (en)
WO (1) WO2012173669A2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201443872A (en) * 2012-12-21 2014-11-16 Bayer Materialscience Ag Audio devices with electroactive polymer actuators noise cancellation
WO2015020698A2 (en) 2013-03-15 2015-02-12 Bayer Materialscience Ag Electroactive polymer actuated air flow thermal management module
WO2014160757A2 (en) 2013-03-26 2014-10-02 Bayer Materialscience Ag Independent tunig of audio devices employing electroactive polymer actuators
EP3198618B1 (en) * 2014-09-24 2021-05-19 Taction Technology Inc. Systems and methods for generating damped electromagnetically actuated planar motion for audio-frequency vibrations
TWI628960B (en) * 2014-10-02 2018-07-01 陳正盛 Audio equipment
US9648412B2 (en) 2015-02-06 2017-05-09 Skullcandy, Inc. Speakers and headphones related to vibrations in an audio system, and methods for operating same
GB2538853B (en) 2015-04-09 2018-09-19 Dolby Laboratories Licensing Corp Switching to a second audio interface between a computer apparatus and an audio apparatus
US10573139B2 (en) 2015-09-16 2020-02-25 Taction Technology, Inc. Tactile transducer with digital signal processing for improved fidelity
WO2017049241A1 (en) 2015-09-16 2017-03-23 Taction Technology Inc. Apparatus and methods for audio-tactile spatialization of sound and perception of bass
KR102715526B1 (en) * 2016-12-08 2024-10-08 엘지디스플레이 주식회사 Touch sensitive device, display device comprising the same and method for manufacturing the same
JP6807260B2 (en) 2017-03-29 2021-01-06 住友理工株式会社 Vibration presenter
WO2018230790A1 (en) * 2017-06-13 2018-12-20 주식회사 비햅틱스 Head mounted display
TWI673047B (en) * 2018-07-27 2019-10-01 亮眼科技股份有限公司 Vision training aid
WO2021243378A1 (en) * 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc, Electrostatic headphone with integrated amplifier
JP2024524087A (en) 2021-06-15 2024-07-05 フレクソウンド システムズ オサケユイチア Controlling the playback of acoustic vibrations

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060208609A1 (en) * 2005-03-21 2006-09-21 Jon Heim Electroactive polymer actuated devices
JP2008141380A (en) * 2006-11-30 2008-06-19 Hyper Drive Corp Vibration element using electroactive polymer
WO2010085575A1 (en) * 2009-01-21 2010-07-29 Artificial Muscle, Inc. Electroactive polymer transducers for tactile feedback devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8501650A (en) * 1985-06-07 1987-01-02 Philips Nv ELECTRODYNAMIC CONVERTER WITH A TWO-PIECE MEMBRANE.
US7194287B2 (en) * 2001-07-25 2007-03-20 Matsushita Electric Industrial Co., Ltd. Electric-mechanical-acoustic-transducer and portable communication device including the same
US7412070B2 (en) * 2004-03-29 2008-08-12 Bose Corporation Headphoning
JP2006352464A (en) * 2005-06-15 2006-12-28 Nec Tokin Corp Acoustic vibration generating element
WO2007093903A1 (en) * 2006-02-16 2007-08-23 Bang & Olufsen Icepower A/S A micro-transducer with improved perceived sound quality
EP2160046A1 (en) * 2008-08-28 2010-03-03 AKG Acoustics GmbH Headphone
JP2010068299A (en) * 2008-09-11 2010-03-25 Yamaha Corp Earphone

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060208609A1 (en) * 2005-03-21 2006-09-21 Jon Heim Electroactive polymer actuated devices
JP2008141380A (en) * 2006-11-30 2008-06-19 Hyper Drive Corp Vibration element using electroactive polymer
WO2010085575A1 (en) * 2009-01-21 2010-07-29 Artificial Muscle, Inc. Electroactive polymer transducers for tactile feedback devices

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LARS MYTTING: "SpeakerBuilding.com - Interview with Joachim Gerhard of Audio Physic", 29 July 1996 (1996-07-29), internet, pages 1 - 3, XP055156157, Retrieved from the Internet <URL:http://www.speakerbuilding.com/content/1039/> [retrieved on 20141202] *

Also Published As

Publication number Publication date
TW201306609A (en) 2013-02-01
WO2012173669A2 (en) 2012-12-20
CN103918283A (en) 2014-07-09
JP2014519791A (en) 2014-08-14
KR20140041727A (en) 2014-04-04
CA2839339A1 (en) 2012-12-20
EP2721839A2 (en) 2014-04-23
WO2012173669A3 (en) 2013-04-25

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20140116

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20141209

RIC1 Information provided on ipc code assigned before grant

Ipc: H04R 1/10 20060101ALI20141203BHEP

Ipc: H04R 1/26 20060101ALI20141203BHEP

Ipc: H04R 9/02 20060101AFI20141203BHEP

Ipc: H04R 19/02 20060101ALI20141203BHEP

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18W Application withdrawn

Effective date: 20150410