JPS6259384B2 - - Google Patents

Info

Publication number
JPS6259384B2
JPS6259384B2 JP56014860A JP1486081A JPS6259384B2 JP S6259384 B2 JPS6259384 B2 JP S6259384B2 JP 56014860 A JP56014860 A JP 56014860A JP 1486081 A JP1486081 A JP 1486081A JP S6259384 B2 JPS6259384 B2 JP S6259384B2
Authority
JP
Japan
Prior art keywords
turntable
record
center
eccentricity
sub
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
Application number
JP56014860A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57130273A (en
Inventor
Kozo Kobayashi
Hiroshi Meguro
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.)
Nakamichi Corp
Original Assignee
Nakamichi Corp
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 Nakamichi Corp filed Critical Nakamichi Corp
Priority to JP1486081A priority Critical patent/JPS57130273A/ja
Priority to US06/343,878 priority patent/US4441178A/en
Publication of JPS57130273A publication Critical patent/JPS57130273A/ja
Publication of JPS6259384B2 publication Critical patent/JPS6259384B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B7/312—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rotational Drive Of Disk (AREA)
JP1486081A 1981-02-02 1981-02-03 Automatic positioning method for record Granted JPS57130273A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1486081A JPS57130273A (en) 1981-02-03 1981-02-03 Automatic positioning method for record
US06/343,878 US4441178A (en) 1981-02-02 1982-01-29 Method of correcting a position of a disk record on a turntable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1486081A JPS57130273A (en) 1981-02-03 1981-02-03 Automatic positioning method for record

Publications (2)

Publication Number Publication Date
JPS57130273A JPS57130273A (en) 1982-08-12
JPS6259384B2 true JPS6259384B2 (cs) 1987-12-10

Family

ID=11872775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1486081A Granted JPS57130273A (en) 1981-02-02 1981-02-03 Automatic positioning method for record

Country Status (1)

Country Link
JP (1) JPS57130273A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109029514B (zh) * 2018-07-13 2020-09-08 重庆理工大学 单码道绝对式时栅角位移测量系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5468603A (en) * 1977-11-11 1979-06-01 Sanyo Electric Co Ltd Reducing system of variations of time axis of disc player

Also Published As

Publication number Publication date
JPS57130273A (en) 1982-08-12

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