EP0448110A3 - Headphone apparatus - Google Patents

Headphone apparatus Download PDF

Info

Publication number
EP0448110A3
EP0448110A3 EP19910104475 EP91104475A EP0448110A3 EP 0448110 A3 EP0448110 A3 EP 0448110A3 EP 19910104475 EP19910104475 EP 19910104475 EP 91104475 A EP91104475 A EP 91104475A EP 0448110 A3 EP0448110 A3 EP 0448110A3
Authority
EP
European Patent Office
Prior art keywords
headphone apparatus
headphone
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Withdrawn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
EP19910104475
Other versions
EP0448110A2 (en
Inventor
Akihisa Suzuki
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of EP0448110A2 publication Critical patent/EP0448110A2/en
Publication of EP0448110A3 publication Critical patent/EP0448110A3/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Withdrawn legal-status Critical Current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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/18—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
EP19910104475 1990-03-23 1991-03-21 Headphone apparatus Withdrawn EP0448110A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP73814/90 1990-03-23
JP2073814A JPH03274892A (en) 1990-03-23 1990-03-23 Electroacoustic transducer

Publications (2)

Publication Number Publication Date
EP0448110A2 EP0448110A2 (en) 1991-09-25
EP0448110A3 true EP0448110A3 (en) 1992-12-02

Family

ID=13529004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910104475 Withdrawn EP0448110A3 (en) 1990-03-23 1991-03-21 Headphone apparatus

Country Status (3)

Country Link
EP (1) EP0448110A3 (en)
JP (1) JPH03274892A (en)
KR (1) KR910017904A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1722592A1 (en) * 2005-05-09 2006-11-15 Yen-Shan Chen Integral audio module
TWI315158B (en) * 2006-06-09 2009-09-21 Cotron Corporatio Earphone with a sound guiding tube
US9712905B2 (en) 2012-06-20 2017-07-18 Apple Inc. Headsets with non-occluding earbuds
US8976994B2 (en) 2012-06-20 2015-03-10 Apple Inc. Earphone having an acoustic tuning mechanism
US8971561B2 (en) 2012-06-20 2015-03-03 Apple Inc. Earphone having a controlled acoustic leak port
US9258663B2 (en) 2012-09-07 2016-02-09 Apple Inc. Systems and methods for assembling non-occluding earbuds
CN110602614B (en) * 2019-09-09 2021-05-25 Oppo广东移动通信有限公司 Sound production device and electronic equipment
CA3153521C (en) * 2019-09-19 2024-02-13 Shenzhen Shokz Co., Ltd. Acoustic output apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000543A1 (en) * 1980-08-11 1982-02-18 Inc Motorola Apparatus and method for enhancing the frequency response of a loudspeaker
GB2187361A (en) * 1986-02-28 1987-09-03 Sony Corp Earphones

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451817A (en) * 1977-09-30 1979-04-24 Sony Corp Speaker
JPS571196A (en) * 1980-06-02 1982-01-06 Toshiaki Kobayashi Brake for hoist
JPS57189586A (en) * 1981-05-18 1982-11-20 Mitsubishi Electric Corp Brake unit for motor
JPS60162899A (en) * 1984-01-26 1985-08-24 株式会社協立有機工業研究所 Papermaking method
JPS60218998A (en) * 1984-04-16 1985-11-01 Matsushita Electric Ind Co Ltd Speaker
JPS6120490A (en) * 1984-07-06 1986-01-29 Matsushita Electric Ind Co Ltd Speaker device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000543A1 (en) * 1980-08-11 1982-02-18 Inc Motorola Apparatus and method for enhancing the frequency response of a loudspeaker
GB2187361A (en) * 1986-02-28 1987-09-03 Sony Corp Earphones

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
L.E. Kinsler et A.R. Frey, Fundamentals of Acoustics, 1962, Wiley & Sons, New York, chapter 8, Resonators and Filters, pag.186-216 *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 69 (E-389)(2126) 18 March 1986 & JP-A-60 218 998 ( MATSUSHITA DENKI SANGYO K.K. ) 1 November 1985 *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 51 (E-881)30 January 1990 *
PATENT ABSTRACTS OF JAPAN vol. 3, no. 74 (E-119)26 June 1979 & JP-A-54 051 817 ( SONY K.K. ) 24 April 1979 *

Also Published As

Publication number Publication date
EP0448110A2 (en) 1991-09-25
KR910017904A (en) 1991-11-05
JPH03274892A (en) 1991-12-05

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