JPS6330702B2 - - Google Patents

Info

Publication number
JPS6330702B2
JPS6330702B2 JP1730981A JP1730981A JPS6330702B2 JP S6330702 B2 JPS6330702 B2 JP S6330702B2 JP 1730981 A JP1730981 A JP 1730981A JP 1730981 A JP1730981 A JP 1730981A JP S6330702 B2 JPS6330702 B2 JP S6330702B2
Authority
JP
Japan
Prior art keywords
scanning needle
slope
track
scanning
slopes
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
JP1730981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57133535A (en
Inventor
Yasuji Honjo
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP1730981A priority Critical patent/JPS57133535A/ja
Publication of JPS57133535A publication Critical patent/JPS57133535A/ja
Publication of JPS6330702B2 publication Critical patent/JPS6330702B2/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
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
    • G11B9/07—Heads for reproducing capacitive information
    • G11B9/075—Heads for reproducing capacitive information using mechanical contact with record carrier, e.g. by stylus

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
JP1730981A 1981-02-06 1981-02-06 Scanning stylus and its production Granted JPS57133535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1730981A JPS57133535A (en) 1981-02-06 1981-02-06 Scanning stylus and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1730981A JPS57133535A (en) 1981-02-06 1981-02-06 Scanning stylus and its production

Publications (2)

Publication Number Publication Date
JPS57133535A JPS57133535A (en) 1982-08-18
JPS6330702B2 true JPS6330702B2 (cs) 1988-06-20

Family

ID=11940403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1730981A Granted JPS57133535A (en) 1981-02-06 1981-02-06 Scanning stylus and its production

Country Status (1)

Country Link
JP (1) JPS57133535A (cs)

Also Published As

Publication number Publication date
JPS57133535A (en) 1982-08-18

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