JPS52128598A - Electret - Google Patents
ElectretInfo
- Publication number
- JPS52128598A JPS52128598A JP4495976A JP4495976A JPS52128598A JP S52128598 A JPS52128598 A JP S52128598A JP 4495976 A JP4495976 A JP 4495976A JP 4495976 A JP4495976 A JP 4495976A JP S52128598 A JPS52128598 A JP S52128598A
- Authority
- JP
- Japan
- Prior art keywords
- electret
- turner
- positive
- image
- recording device
- 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
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
PURPOSE: To supplement information of image, positive & negative electric sphere must be installed on surface of electret material. Then electret which is used for recording device adopted turner can be provided.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4495976A JPS596049B2 (en) | 1976-04-22 | 1976-04-22 | Capacitive electret |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4495976A JPS596049B2 (en) | 1976-04-22 | 1976-04-22 | Capacitive electret |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52128598A true JPS52128598A (en) | 1977-10-28 |
JPS596049B2 JPS596049B2 (en) | 1984-02-08 |
Family
ID=12706008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4495976A Expired JPS596049B2 (en) | 1976-04-22 | 1976-04-22 | Capacitive electret |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS596049B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006140861A (en) * | 2004-11-15 | 2006-06-01 | Audio Technica Corp | Manufacturing method of electret condenser microphone unit |
JP2017012270A (en) * | 2015-06-29 | 2017-01-19 | 富士通株式会社 | Film-type pressure sensor and manufacturing method therefor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS614855U (en) * | 1984-06-13 | 1986-01-13 | 日立造船株式会社 | Rolls for continuous casting equipment |
-
1976
- 1976-04-22 JP JP4495976A patent/JPS596049B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006140861A (en) * | 2004-11-15 | 2006-06-01 | Audio Technica Corp | Manufacturing method of electret condenser microphone unit |
JP2017012270A (en) * | 2015-06-29 | 2017-01-19 | 富士通株式会社 | Film-type pressure sensor and manufacturing method therefor |
Also Published As
Publication number | Publication date |
---|---|
JPS596049B2 (en) | 1984-02-08 |
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