JPS53149011A - Chuck for recorded information carrier of thin plate - Google Patents

Chuck for recorded information carrier of thin plate

Info

Publication number
JPS53149011A
JPS53149011A JP6413577A JP6413577A JPS53149011A JP S53149011 A JPS53149011 A JP S53149011A JP 6413577 A JP6413577 A JP 6413577A JP 6413577 A JP6413577 A JP 6413577A JP S53149011 A JPS53149011 A JP S53149011A
Authority
JP
Japan
Prior art keywords
chuck
thin plate
information carrier
recorded information
casing
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
Application number
JP6413577A
Other languages
Japanese (ja)
Inventor
Michio Suzuki
Masanori Isshiki
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 JP6413577A priority Critical patent/JPS53149011A/en
Publication of JPS53149011A publication Critical patent/JPS53149011A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers

Abstract

PURPOSE:To produce a chuck, which can be set completely free from a casing upon the depression of an information-recorded sheet by arranging a permanent magnet which generates a force in the direction to protrude a center portion support out of the casing when the support is pushed into the casing.
JP6413577A 1977-05-31 1977-05-31 Chuck for recorded information carrier of thin plate Pending JPS53149011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6413577A JPS53149011A (en) 1977-05-31 1977-05-31 Chuck for recorded information carrier of thin plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6413577A JPS53149011A (en) 1977-05-31 1977-05-31 Chuck for recorded information carrier of thin plate

Publications (1)

Publication Number Publication Date
JPS53149011A true JPS53149011A (en) 1978-12-26

Family

ID=13249321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6413577A Pending JPS53149011A (en) 1977-05-31 1977-05-31 Chuck for recorded information carrier of thin plate

Country Status (1)

Country Link
JP (1) JPS53149011A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477894A (en) * 1982-08-10 1984-10-16 Rca Corporation Protective cartridge for disc record
US4499573A (en) * 1981-07-20 1985-02-12 Tokyo Shibaura Denki Kabushiki Kaisha Disc rotating apparatus
US4509157A (en) * 1981-07-20 1985-04-02 Tokyo Shibaura Denki Kabushiki Kaisha Disc player apparatus with an improved disc clamper
EP0070556B1 (en) * 1981-07-20 1986-11-05 Kabushiki Kaisha Toshiba Disc rotating apparatus
JPS62147161U (en) * 1986-03-10 1987-09-17
US4768185A (en) * 1982-05-27 1988-08-30 U.S. Philips Corporation Optical-disc apparatus
US4823337A (en) * 1987-04-08 1989-04-18 U.S. Philips Corp. Device for recording information on or reading information from an information disc

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4981012A (en) * 1972-12-08 1974-08-05
JPS5132414U (en) * 1974-08-31 1976-03-10

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4981012A (en) * 1972-12-08 1974-08-05
JPS5132414U (en) * 1974-08-31 1976-03-10

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499573A (en) * 1981-07-20 1985-02-12 Tokyo Shibaura Denki Kabushiki Kaisha Disc rotating apparatus
US4509157A (en) * 1981-07-20 1985-04-02 Tokyo Shibaura Denki Kabushiki Kaisha Disc player apparatus with an improved disc clamper
EP0070556B1 (en) * 1981-07-20 1986-11-05 Kabushiki Kaisha Toshiba Disc rotating apparatus
US4768185A (en) * 1982-05-27 1988-08-30 U.S. Philips Corporation Optical-disc apparatus
US4477894A (en) * 1982-08-10 1984-10-16 Rca Corporation Protective cartridge for disc record
JPS62147161U (en) * 1986-03-10 1987-09-17
JPH0531706Y2 (en) * 1986-03-10 1993-08-16
US4823337A (en) * 1987-04-08 1989-04-18 U.S. Philips Corp. Device for recording information on or reading information from an information disc

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