JPS5298504A - Electrostatic capacity type pickup stylus and its production - Google Patents

Electrostatic capacity type pickup stylus and its production

Info

Publication number
JPS5298504A
JPS5298504A JP1481976A JP1481976A JPS5298504A JP S5298504 A JPS5298504 A JP S5298504A JP 1481976 A JP1481976 A JP 1481976A JP 1481976 A JP1481976 A JP 1481976A JP S5298504 A JPS5298504 A JP S5298504A
Authority
JP
Japan
Prior art keywords
production
electrostatic capacity
capacity type
type pickup
pickup stylus
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
JP1481976A
Other languages
Japanese (ja)
Other versions
JPS5723932B2 (en
Inventor
Keishi Segawa
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
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP1481976A priority Critical patent/JPS5298504A/en
Publication of JPS5298504A publication Critical patent/JPS5298504A/en
Publication of JPS5723932B2 publication Critical patent/JPS5723932B2/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

Abstract

PURPOSE:Simplification of production is achieved by providing an electrode on the crystal plane of a sapphire single crystal plate.
JP1481976A 1976-02-16 1976-02-16 Electrostatic capacity type pickup stylus and its production Granted JPS5298504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1481976A JPS5298504A (en) 1976-02-16 1976-02-16 Electrostatic capacity type pickup stylus and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1481976A JPS5298504A (en) 1976-02-16 1976-02-16 Electrostatic capacity type pickup stylus and its production

Publications (2)

Publication Number Publication Date
JPS5298504A true JPS5298504A (en) 1977-08-18
JPS5723932B2 JPS5723932B2 (en) 1982-05-21

Family

ID=11871640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1481976A Granted JPS5298504A (en) 1976-02-16 1976-02-16 Electrostatic capacity type pickup stylus and its production

Country Status (1)

Country Link
JP (1) JPS5298504A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611603A (en) * 1980-03-19 1981-02-05 Ogura Houseki Seiki Kogyo Kk Disc reproducing stylus
FR2480979A1 (en) * 1980-04-21 1981-10-23 Rca Corp METHOD FOR MANUFACTURING A READING STYLE OF A DISK CONTAINING INFORMATION

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531360A1 (en) * 1982-08-03 1984-02-10 Marchal Equip Auto METHOD AND APPARATUS FOR FINISHING BY ROLLING A HELICOIDAL NET CUT ON A CYLINDRICAL PART

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611603A (en) * 1980-03-19 1981-02-05 Ogura Houseki Seiki Kogyo Kk Disc reproducing stylus
FR2480979A1 (en) * 1980-04-21 1981-10-23 Rca Corp METHOD FOR MANUFACTURING A READING STYLE OF A DISK CONTAINING INFORMATION

Also Published As

Publication number Publication date
JPS5723932B2 (en) 1982-05-21

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