JPS57158051A - Reproducing stylus of variation detection type for electrostatic capacity value - Google Patents

Reproducing stylus of variation detection type for electrostatic capacity value

Info

Publication number
JPS57158051A
JPS57158051A JP4270681A JP4270681A JPS57158051A JP S57158051 A JPS57158051 A JP S57158051A JP 4270681 A JP4270681 A JP 4270681A JP 4270681 A JP4270681 A JP 4270681A JP S57158051 A JPS57158051 A JP S57158051A
Authority
JP
Japan
Prior art keywords
electrode
reproducing stylus
layer
capacity value
electrostatic capacity
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.)
Granted
Application number
JP4270681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6158889B2 (enrdf_load_stackoverflow
Inventor
Hideaki Takehara
Kosei Wada
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Priority to JP4270681A priority Critical patent/JPS57158051A/ja
Publication of JPS57158051A publication Critical patent/JPS57158051A/ja
Publication of JPS6158889B2 publication Critical patent/JPS6158889B2/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

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
JP4270681A 1981-03-24 1981-03-24 Reproducing stylus of variation detection type for electrostatic capacity value Granted JPS57158051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4270681A JPS57158051A (en) 1981-03-24 1981-03-24 Reproducing stylus of variation detection type for electrostatic capacity value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4270681A JPS57158051A (en) 1981-03-24 1981-03-24 Reproducing stylus of variation detection type for electrostatic capacity value

Publications (2)

Publication Number Publication Date
JPS57158051A true JPS57158051A (en) 1982-09-29
JPS6158889B2 JPS6158889B2 (enrdf_load_stackoverflow) 1986-12-13

Family

ID=12643505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4270681A Granted JPS57158051A (en) 1981-03-24 1981-03-24 Reproducing stylus of variation detection type for electrostatic capacity value

Country Status (1)

Country Link
JP (1) JPS57158051A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6158889B2 (enrdf_load_stackoverflow) 1986-12-13

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