JPS54119228A - Thin type speaker - Google Patents
Thin type speakerInfo
- Publication number
- JPS54119228A JPS54119228A JP2681978A JP2681978A JPS54119228A JP S54119228 A JPS54119228 A JP S54119228A JP 2681978 A JP2681978 A JP 2681978A JP 2681978 A JP2681978 A JP 2681978A JP S54119228 A JPS54119228 A JP S54119228A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- damper
- thin type
- type speaker
- voice coil
- 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.)
- Pending
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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
PURPOSE:To stabilize the frequency characteristic and eliminate distortion, in a thin type speaker for procketable acoustic device, by holding the voice coil in an exact position by using a special damper, and providing the diaphragm with an adequate damping effect. CONSTITUTION:One end of a damper member 8 having an elasticity like rubber is secured on a pole 7 of a magnetic circuit 6, and the other end thereof is coupled with the central part of a diaphragm 9. Therefore, a special space for damper is not needed, and abnormal resonance or fluctuations of the diaphragm 9 may be restricted by the accurate position holding of voice coil 10 and adequate vibration restriction in the middle of the diaphragm 9, so that the instability of the frequency characteristic and occurrence of distortion may be prevented. Besides, since rubber material is used as the damper, the long-period stability is excellent, the production cost is reduced, and the process time is shortened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2681978A JPS54119228A (en) | 1978-03-09 | 1978-03-09 | Thin type speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2681978A JPS54119228A (en) | 1978-03-09 | 1978-03-09 | Thin type speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54119228A true JPS54119228A (en) | 1979-09-17 |
Family
ID=12203876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2681978A Pending JPS54119228A (en) | 1978-03-09 | 1978-03-09 | Thin type speaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54119228A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59177290U (en) * | 1983-05-16 | 1984-11-27 | パイオニア株式会社 | speaker |
JP2006129106A (en) * | 2004-10-29 | 2006-05-18 | Foster Electric Co Ltd | Speaker |
-
1978
- 1978-03-09 JP JP2681978A patent/JPS54119228A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59177290U (en) * | 1983-05-16 | 1984-11-27 | パイオニア株式会社 | speaker |
JPS6342792Y2 (en) * | 1983-05-16 | 1988-11-09 | ||
JP2006129106A (en) * | 2004-10-29 | 2006-05-18 | Foster Electric Co Ltd | Speaker |
JP4694176B2 (en) * | 2004-10-29 | 2011-06-08 | フォスター電機株式会社 | Speaker |
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