JPS52128598A - Electret - Google Patents

Electret

Info

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
Application number
JP4495976A
Other languages
Japanese (ja)
Other versions
JPS596049B2 (en
Inventor
Yoshinori Fujimori
Sakae Tamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP4495976A priority Critical patent/JPS596049B2/en
Publication of JPS52128598A publication Critical patent/JPS52128598A/en
Publication of JPS596049B2 publication Critical patent/JPS596049B2/en
Expired legal-status Critical Current

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
JP4495976A 1976-04-22 1976-04-22 Capacitive electret Expired JPS596049B2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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