JPS5436919A - Speaker - Google Patents
SpeakerInfo
- Publication number
- JPS5436919A JPS5436919A JP10269477A JP10269477A JPS5436919A JP S5436919 A JPS5436919 A JP S5436919A JP 10269477 A JP10269477 A JP 10269477A JP 10269477 A JP10269477 A JP 10269477A JP S5436919 A JPS5436919 A JP S5436919A
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- center pole
- radiation characteristic
- sponge
- durability
- 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
- H04R9/022—Cooling arrangements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
PURPOSE:To improve the radiation characteristic of heat of a center pole and achieve the increase in the durability of the speaker by filling a sponge-form non-magnetic metal of good heat radiation characteristic in the through-hole provided in the central part of the center pole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10269477A JPS5436919A (en) | 1977-08-29 | 1977-08-29 | Speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10269477A JPS5436919A (en) | 1977-08-29 | 1977-08-29 | Speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5436919A true JPS5436919A (en) | 1979-03-19 |
Family
ID=14334353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10269477A Pending JPS5436919A (en) | 1977-08-29 | 1977-08-29 | Speaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5436919A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757547A (en) * | 1987-09-10 | 1988-07-12 | Intersonics Incorporated | Air cooled loudspeaker |
WO2007117045A1 (en) * | 2006-06-21 | 2007-10-18 | Panasonic Corporation | Speaker, speaker device using the speaker, and electronic equipment and vehicle using the speaker |
JP2008005101A (en) * | 2006-06-21 | 2008-01-10 | Matsushita Electric Ind Co Ltd | Speaker, speaker apparatus employing the same, and electronic equipment and vehicle employing this speaker |
JP2008005264A (en) * | 2006-06-23 | 2008-01-10 | Matsushita Electric Ind Co Ltd | Speaker, speaker apparatus employing the same, and electronic equipment and apparatus employing this speaker |
-
1977
- 1977-08-29 JP JP10269477A patent/JPS5436919A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757547A (en) * | 1987-09-10 | 1988-07-12 | Intersonics Incorporated | Air cooled loudspeaker |
WO2007117045A1 (en) * | 2006-06-21 | 2007-10-18 | Panasonic Corporation | Speaker, speaker device using the speaker, and electronic equipment and vehicle using the speaker |
JP2008005101A (en) * | 2006-06-21 | 2008-01-10 | Matsushita Electric Ind Co Ltd | Speaker, speaker apparatus employing the same, and electronic equipment and vehicle employing this speaker |
US8553924B2 (en) | 2006-06-21 | 2013-10-08 | Panasonic Corporation | Speaker, speaker device using the same and electronic apparatus and vehicle using the speaker |
JP2008005264A (en) * | 2006-06-23 | 2008-01-10 | Matsushita Electric Ind Co Ltd | Speaker, speaker apparatus employing the same, and electronic equipment and apparatus employing this speaker |
JP4609383B2 (en) * | 2006-06-23 | 2011-01-12 | パナソニック株式会社 | Speaker, speaker device using the same, electronic device using the speaker, and vehicle |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |