JPS5522267A - Record disk detecting device - Google Patents

Record disk detecting device

Info

Publication number
JPS5522267A
JPS5522267A JP9484978A JP9484978A JPS5522267A JP S5522267 A JPS5522267 A JP S5522267A JP 9484978 A JP9484978 A JP 9484978A JP 9484978 A JP9484978 A JP 9484978A JP S5522267 A JPS5522267 A JP S5522267A
Authority
JP
Japan
Prior art keywords
light
light emitting
10khz
record disk
turntable
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
JP9484978A
Other languages
English (en)
Inventor
Akira Oinuma
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9484978A priority Critical patent/JPS5522267A/ja
Publication of JPS5522267A publication Critical patent/JPS5522267A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/124—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of diameter of disks

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP9484978A 1978-08-02 1978-08-02 Record disk detecting device Pending JPS5522267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9484978A JPS5522267A (en) 1978-08-02 1978-08-02 Record disk detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9484978A JPS5522267A (en) 1978-08-02 1978-08-02 Record disk detecting device

Publications (1)

Publication Number Publication Date
JPS5522267A true JPS5522267A (en) 1980-02-16

Family

ID=14121470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9484978A Pending JPS5522267A (en) 1978-08-02 1978-08-02 Record disk detecting device

Country Status (1)

Country Link
JP (1) JPS5522267A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04120432U (ja) * 1991-04-11 1992-10-28 ヤンマー農機株式会社 コンバイン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04120432U (ja) * 1991-04-11 1992-10-28 ヤンマー農機株式会社 コンバイン

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