GB2115645B - Speaker diaphragm - Google Patents

Speaker diaphragm

Info

Publication number: GB2115645B
Authority: GB; United Kingdom
Prior art keywords: speaker diaphragm; diaphragm; speaker
Prior art date: 1981-07-31
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.): Expired

Application number

GB08221939A

Other languages

English (en)

Other versions

GB2115645A (en

Inventor

Tsunehiro Tsukagoshi

Shinichi Yokozeki

Sumio Hagiwara

Toshikazu Yoshino

Yasuyuki Arai

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.)

Pioneer Corp

Original Assignee

Pioneer Electronic 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.)

1981-07-31

Filing date

1982-07-29

Publication date

1985-06-26

1982-07-29 Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp

1983-09-07 Publication of GB2115645A publication Critical patent/GB2115645A/en

1985-06-26 Application granted granted Critical

1985-06-26 Publication of GB2115645B publication Critical patent/GB2115645B/en

Status Expired 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Diaphragms For Electromechanical Transducers (AREA)

GB08221939A 1981-07-31 1982-07-29 Speaker diaphragm Expired GB2115645B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP12118081A JPS5821997A (ja)	1981-07-31	1981-07-31	スピ−カ用振動板

Publications (2)

Publication Number	Publication Date
GB2115645A GB2115645A (en)	1983-09-07
GB2115645B true GB2115645B (en)	1985-06-26

Family

ID=14804824

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08221939A Expired GB2115645B (en)	1981-07-31	1982-07-29	Speaker diaphragm

Country Status (4)

Country	Link
JP (1)	JPS5821997A (ja)
DE (1)	DE3228592C2 (ja)
FR (1)	FR2510857A1 (ja)
GB (1)	GB2115645B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8301653A (nl) *	1983-05-10	1984-12-03	Philips Nv	Elektro-akoestische omzetter met een luchtdoorlatend membraan.
US5149470A (en) *	1988-08-24	1992-09-22	Mitsubishi Pencil Co., Ltd.	Method of making a diaphragm of carbonaceous material
DE3831706A1 (de) *	1988-09-17	1990-03-22	Bayer Ag	Membran fuer lautsprecher
JPH02243097A (ja) *	1989-01-20	1990-09-27	Mitsubishi Pencil Co Ltd	全炭素質音響機器用振動板の製造法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2046274B (en) *	1979-03-23	1983-03-30	Pioneer Electronic Corp	Moulding compositions and acoustic articles moulded therefrom
US4404315A (en) *	1979-05-05	1983-09-13	Pioneer Electronic Corporation	Molding compositions and diaphragms, arm pipes and head shells molded therefrom

1981
- 1981-07-31 JP JP12118081A patent/JPS5821997A/ja active Granted
1982
- 1982-07-29 GB GB08221939A patent/GB2115645B/en not_active Expired
- 1982-07-30 DE DE19823228592 patent/DE3228592C2/de not_active Expired
- 1982-07-30 FR FR8213387A patent/FR2510857A1/fr active Granted

Also Published As

Publication number	Publication date
FR2510857B1 (ja)	1985-01-11
DE3228592C2 (de)	1986-04-24
JPS639798B2 (ja)	1988-03-02
DE3228592A1 (de)	1983-03-03
GB2115645A (en)	1983-09-07
JPS5821997A (ja)	1983-02-09
FR2510857A1 (fr)	1983-02-04

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Legal Events

Date	Code	Title	Description
1987-03-18	PCNP	Patent ceased through non-payment of renewal fee