JPH059722B2 - - Google Patents

Info

Publication number
JPH059722B2
JPH059722B2 JP740183A JP740183A JPH059722B2 JP H059722 B2 JPH059722 B2 JP H059722B2 JP 740183 A JP740183 A JP 740183A JP 740183 A JP740183 A JP 740183A JP H059722 B2 JPH059722 B2 JP H059722B2
Authority
JP
Japan
Prior art keywords
light
laser beam
magnetic
signal
prism
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.)
Expired - Lifetime
Application number
JP740183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59133412A (ja
Inventor
Akira Ono
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP740183A priority Critical patent/JPS59133412A/ja
Publication of JPS59133412A publication Critical patent/JPS59133412A/ja
Publication of JPH059722B2 publication Critical patent/JPH059722B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
JP740183A 1983-01-21 1983-01-21 組立精度測定装置 Granted JPS59133412A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP740183A JPS59133412A (ja) 1983-01-21 1983-01-21 組立精度測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP740183A JPS59133412A (ja) 1983-01-21 1983-01-21 組立精度測定装置

Publications (2)

Publication Number Publication Date
JPS59133412A JPS59133412A (ja) 1984-07-31
JPH059722B2 true JPH059722B2 (en]) 1993-02-05

Family

ID=11664859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP740183A Granted JPS59133412A (ja) 1983-01-21 1983-01-21 組立精度測定装置

Country Status (1)

Country Link
JP (1) JPS59133412A (en])

Also Published As

Publication number Publication date
JPS59133412A (ja) 1984-07-31

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