JPS57122512A - Electret and method of producing same - Google Patents
Electret and method of producing sameInfo
- Publication number
- JPS57122512A JPS57122512A JP792281A JP792281A JPS57122512A JP S57122512 A JPS57122512 A JP S57122512A JP 792281 A JP792281 A JP 792281A JP 792281 A JP792281 A JP 792281A JP S57122512 A JPS57122512 A JP S57122512A
- Authority
- JP
- Japan
- Prior art keywords
- electret
- producing same
- producing
- same
- 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
Landscapes
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP792281A JPS57122512A (en) | 1981-01-23 | 1981-01-23 | Electret and method of producing same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP792281A JPS57122512A (en) | 1981-01-23 | 1981-01-23 | Electret and method of producing same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57122512A true JPS57122512A (en) | 1982-07-30 |
JPS637454B2 JPS637454B2 (en) | 1988-02-17 |
Family
ID=11679013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP792281A Granted JPS57122512A (en) | 1981-01-23 | 1981-01-23 | Electret and method of producing same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57122512A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS625626A (en) * | 1985-07-02 | 1987-01-12 | 東レ株式会社 | Antistatic electret sheet and making thereof |
JP2003125495A (en) * | 2001-10-09 | 2003-04-25 | Citizen Electronics Co Ltd | Electret capacitor microphone |
JP2004222091A (en) * | 2003-01-16 | 2004-08-05 | Citizen Electronics Co Ltd | Electret condenser microphone |
JP2008054345A (en) * | 2001-05-18 | 2008-03-06 | Akg Acoustics Gmbh | Electrostatic microphone |
JP2010268315A (en) * | 2009-05-15 | 2010-11-25 | Nippon Hoso Kyokai <Nhk> | Sound calibration device |
-
1981
- 1981-01-23 JP JP792281A patent/JPS57122512A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS625626A (en) * | 1985-07-02 | 1987-01-12 | 東レ株式会社 | Antistatic electret sheet and making thereof |
JP2008054345A (en) * | 2001-05-18 | 2008-03-06 | Akg Acoustics Gmbh | Electrostatic microphone |
JP2003125495A (en) * | 2001-10-09 | 2003-04-25 | Citizen Electronics Co Ltd | Electret capacitor microphone |
JP2004222091A (en) * | 2003-01-16 | 2004-08-05 | Citizen Electronics Co Ltd | Electret condenser microphone |
JP2010268315A (en) * | 2009-05-15 | 2010-11-25 | Nippon Hoso Kyokai <Nhk> | Sound calibration device |
Also Published As
Publication number | Publication date |
---|---|
JPS637454B2 (en) | 1988-02-17 |
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