JPS5774850A - Signal pickup device - Google Patents

Signal pickup device

Info

Publication number
JPS5774850A
JPS5774850A JP14980680A JP14980680A JPS5774850A JP S5774850 A JPS5774850 A JP S5774850A JP 14980680 A JP14980680 A JP 14980680A JP 14980680 A JP14980680 A JP 14980680A JP S5774850 A JPS5774850 A JP S5774850A
Authority
JP
Japan
Prior art keywords
signal pickup
operability
repair
opening
low cost
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
JP14980680A
Other languages
Japanese (ja)
Other versions
JPS616453B2 (en
Inventor
Kazuo Yamada
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 JP14980680A priority Critical patent/JPS5774850A/en
Publication of JPS5774850A publication Critical patent/JPS5774850A/en
Publication of JPS616453B2 publication Critical patent/JPS616453B2/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

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE:To improve the operability of assembly and repair, and also to perform it at a low cost, in a signal pickup of an electrostatic capacity variation detecting type, by constituting the bottom part an external electric conductor of a coaxial resonator as an opening state, and the opening part is incorporated so as to be covered with the carriage bottom surface. CONSTITUTION:In a signal pickup of an electrostatic capacity variation detecting type, a coaxial resonator structure body 7 incorporates a coaxial resonating circuit part 12 and an oscillating circuit part 13, etc., and is constituted of a dielectric substrate 15 soldered with a side wall frame body 14, and a metallic cover body 16 for covering the upper surface of the frame body 14. The bottom surface side is in an opening state, and electric circuit parts installed to the lower surface of the substrate 15 can be touched directly from the outside through the opening part. Its structure 7 is installed in a state that it is placed on a flat bottom surface 3a of a carriage 3. In this way, the operability of assembly and repair is improved, and also it is performed at a low cost.
JP14980680A 1980-10-24 1980-10-24 Signal pickup device Granted JPS5774850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14980680A JPS5774850A (en) 1980-10-24 1980-10-24 Signal pickup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14980680A JPS5774850A (en) 1980-10-24 1980-10-24 Signal pickup device

Publications (2)

Publication Number Publication Date
JPS5774850A true JPS5774850A (en) 1982-05-11
JPS616453B2 JPS616453B2 (en) 1986-02-26

Family

ID=15483113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14980680A Granted JPS5774850A (en) 1980-10-24 1980-10-24 Signal pickup device

Country Status (1)

Country Link
JP (1) JPS5774850A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887148U (en) * 1981-12-08 1983-06-13 株式会社村田製作所 Cartridge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887148U (en) * 1981-12-08 1983-06-13 株式会社村田製作所 Cartridge

Also Published As

Publication number Publication date
JPS616453B2 (en) 1986-02-26

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