EP0448110A3 - Headphone apparatus - Google Patents

Headphone apparatus Download PDF

Info

Publication number: EP0448110A3
Authority: EP; European Patent Office
Prior art keywords: headphone apparatus; headphone
Prior art date: 1990-03-23
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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.)

1990-03-23

Filing date

1991-03-21

Publication date

1992-12-02

1991-03-21 Application filed by Sharp Corp filed Critical Sharp Corp

1991-09-25 Publication of EP0448110A2 publication Critical patent/EP0448110A2/en

1992-12-02 Publication of EP0448110A3 publication Critical patent/EP0448110A3/en

Status Withdrawn legal-status Critical Current

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 (9)

* 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
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
US9712905B2 (en)	2012-06-20	2017-07-18	Apple Inc.	Headsets with non-occluding earbuds
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
CN114175677B (en)	2019-09-19	2024-07-05	深圳市韶音科技有限公司	Acoustic output device
US12133038B2 (en)	2022-09-01	2024-10-29	Apple Inc.	Acoustic vent and protective membrane

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

1990
- 1990-03-23 JP JP2073814A patent/JPH03274892A/en active Pending
1991
- 1991-03-21 EP EP19910104475 patent/EP0448110A3/en not_active Withdrawn
- 1991-03-22 KR KR1019910004541A patent/KR910017904A/en not_active Application Discontinuation

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

Publication	Publication Date	Title
AU639818B2 (en)	1993-08-05	Water-filtration apparatus
GB2251159B (en)	1994-09-28	Receiving apparatus
EP0452103A3 (en)	1992-07-08	Microphone apparatus
HUT59847A (en)	1992-07-28	Fluid-aerating apparatus
GB2250008B (en)	1994-03-30	Fall-arrest apparatus
EP0466435A3 (en)	1992-08-26	Surround audio apparatus
GB2247820B (en)	1994-09-28	Headset
GB2243634B (en)	1994-06-01	Well apparatus
EP0446034A3 (en)	1992-12-30	Development apparatus
GB2242510B (en)	1993-10-27	Radiation-lamp apparatus
GB9306667D0 (en)	1993-05-26	Earphone apparatus
EP0448110A3 (en)	1992-12-02	Headphone apparatus
EP0467499A3 (en)	1992-05-27	Audio apparatus with anti-howl function
GB2242559B (en)	1994-01-05	An audio apparatus
GB9018001D0 (en)	1990-10-03	Multi-inoculation apparatus
EP0456999A3 (en)	1992-05-06	Weighing-packaging-pricing apparatus
EP0482867A3 (en)	1992-11-19	Development apparatus
EP0448461A3 (en)	1993-03-03	Telephone apparatus
AU7506991A (en)	1991-10-24	Cockable corebreaker apparatus
GB9008240D0 (en)	1990-06-13	Auto-sterilizing telephone apparatus
CA67609S (en)	1990-12-06	Headphone
GB9207243D0 (en)	1992-05-13	Earphone apparatus
GB9002232D0 (en)	1990-03-28	An apparatus
GB9005468D0 (en)	1990-05-09	Microballistic apparatus
GB9011108D0 (en)	1990-07-04	Apparatus

Legal Events

Date	Code	Title	Description
1991-08-09	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-09-25	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE GB
1992-10-14	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-12-02	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE GB
1993-01-27	17P	Request for examination filed	Effective date: 19921130
1995-07-05	17Q	First examination report despatched	Effective date: 19950518
1996-11-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1996-12-27	18D	Application deemed to be withdrawn	Effective date: 19960625