JPS6437199A - Speaker diaphragm - Google Patents
Speaker diaphragmInfo
- Publication number
- JPS6437199A JPS6437199A JP19353387A JP19353387A JPS6437199A JP S6437199 A JPS6437199 A JP S6437199A JP 19353387 A JP19353387 A JP 19353387A JP 19353387 A JP19353387 A JP 19353387A JP S6437199 A JPS6437199 A JP S6437199A
- Authority
- JP
- Japan
- Prior art keywords
- cone
- peripheral part
- cone neck
- speaker diaphragm
- thicker
- 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.)
- Granted
Links
Abstract
PURPOSE:To surely transmit the vibration of a voice coil from a cone neck part to the peripheral part of the cone by making the board thickness of the cone neck part thicker that of the peripheral part, and making almost all the fibers stretch from the cone neck part to the peripheral part. CONSTITUTION:A speaker diaphragm, 7 is constituted of highly elastic or strong fiber and a thermosetting or thermoplastic resin. Almost all the fibers in the radial direction of the diaphragm 7 are stretched from the cone neck 7a to the cone peripheral part 7b. The board thickness of the cone neck part 7a is thicker than that of the part 7b, and the strength of the part 7a is made strong.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62193533A JP2693447B2 (en) | 1987-08-01 | 1987-08-01 | Method of manufacturing diaphragm for speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62193533A JP2693447B2 (en) | 1987-08-01 | 1987-08-01 | Method of manufacturing diaphragm for speaker |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6437199A true JPS6437199A (en) | 1989-02-07 |
JP2693447B2 JP2693447B2 (en) | 1997-12-24 |
Family
ID=16309658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62193533A Expired - Fee Related JP2693447B2 (en) | 1987-08-01 | 1987-08-01 | Method of manufacturing diaphragm for speaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2693447B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005527757A (en) * | 2002-05-29 | 2005-09-15 | プログレッシブ サスペンション インコーポレイテッド | Hydraulic damper with pressure control valve and secondary piston |
EP1615466A3 (en) * | 2004-07-07 | 2006-12-27 | Tadashi Nagaoka | Acoustic diaphragm |
EP3297293A1 (en) * | 2016-09-16 | 2018-03-21 | Alpine Electronics, Inc. | Speaker |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5471620A (en) * | 1977-11-17 | 1979-06-08 | Matsushita Electric Ind Co Ltd | Diaphragm |
JPS5548628U (en) * | 1978-09-25 | 1980-03-29 | ||
JPS55115795A (en) * | 1979-02-27 | 1980-09-05 | Toray Ind Inc | Speaker |
JPS5822000A (en) * | 1981-08-01 | 1983-02-09 | Sharp Corp | Piezoelectric speaker |
-
1987
- 1987-08-01 JP JP62193533A patent/JP2693447B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5471620A (en) * | 1977-11-17 | 1979-06-08 | Matsushita Electric Ind Co Ltd | Diaphragm |
JPS5548628U (en) * | 1978-09-25 | 1980-03-29 | ||
JPS55115795A (en) * | 1979-02-27 | 1980-09-05 | Toray Ind Inc | Speaker |
JPS5822000A (en) * | 1981-08-01 | 1983-02-09 | Sharp Corp | Piezoelectric speaker |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005527757A (en) * | 2002-05-29 | 2005-09-15 | プログレッシブ サスペンション インコーポレイテッド | Hydraulic damper with pressure control valve and secondary piston |
EP1615466A3 (en) * | 2004-07-07 | 2006-12-27 | Tadashi Nagaoka | Acoustic diaphragm |
US7483545B2 (en) | 2004-07-07 | 2009-01-27 | Tadashi Nagaoka | Acoustic diaphragm |
US7986805B2 (en) | 2004-07-07 | 2011-07-26 | Tadashi Nagaoka | Acoustic diaphragm |
EP3297293A1 (en) * | 2016-09-16 | 2018-03-21 | Alpine Electronics, Inc. | Speaker |
US10250988B2 (en) | 2016-09-16 | 2019-04-02 | Alpine Electronics, Inc. | Speaker |
Also Published As
Publication number | Publication date |
---|---|
JP2693447B2 (en) | 1997-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |