JPS52107806A - Pick up arm returning position detecting unit - Google Patents

Pick up arm returning position detecting unit

Info

Publication number
JPS52107806A
JPS52107806A JP2421376A JP2421376A JPS52107806A JP S52107806 A JPS52107806 A JP S52107806A JP 2421376 A JP2421376 A JP 2421376A JP 2421376 A JP2421376 A JP 2421376A JP S52107806 A JPS52107806 A JP S52107806A
Authority
JP
Japan
Prior art keywords
pick
returning position
detecting unit
position detecting
arm
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
JP2421376A
Other languages
Japanese (ja)
Other versions
JPS5931794B2 (en
Inventor
Masanori Tanaka
Kenjiro Endo
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2421376A priority Critical patent/JPS5931794B2/en
Publication of JPS52107806A publication Critical patent/JPS52107806A/en
Publication of JPS5931794B2 publication Critical patent/JPS5931794B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Optical Transform (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

PURPOSE: To detect the returning position of pick arm surely by wave-shaping the output of photo electric conversion element, comparing the time distance of output pulse with the slit distance set in the grid plate so that the detcting output for the returning position of the pick up arm is developed.
COPYRIGHT: (C)1977,JPO&Japio
JP2421376A 1976-03-08 1976-03-08 Pick-up arm return position detection device Expired JPS5931794B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2421376A JPS5931794B2 (en) 1976-03-08 1976-03-08 Pick-up arm return position detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2421376A JPS5931794B2 (en) 1976-03-08 1976-03-08 Pick-up arm return position detection device

Publications (2)

Publication Number Publication Date
JPS52107806A true JPS52107806A (en) 1977-09-09
JPS5931794B2 JPS5931794B2 (en) 1984-08-04

Family

ID=12132007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2421376A Expired JPS5931794B2 (en) 1976-03-08 1976-03-08 Pick-up arm return position detection device

Country Status (1)

Country Link
JP (1) JPS5931794B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5613563A (en) * 1979-07-14 1981-02-09 Kato Denki Kk Automatic return unit for tone arm
JPS5848269A (en) * 1981-09-17 1983-03-22 Matsushita Electric Ind Co Ltd Detector for pickup position
JPS62502006A (en) * 1985-07-24 1987-08-06 ドイチエ　トムソン−ブラント　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング Shutoff device for disk players

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0127581Y2 (en) * 1984-09-27 1989-08-18
JPS6161778U (en) * 1984-09-27 1986-04-25
JPH04135195U (en) * 1991-06-05 1992-12-16 住友電装株式会社 Caps for high pressure connections in automobile engines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5613563A (en) * 1979-07-14 1981-02-09 Kato Denki Kk Automatic return unit for tone arm
JPS5848269A (en) * 1981-09-17 1983-03-22 Matsushita Electric Ind Co Ltd Detector for pickup position
JPS62502006A (en) * 1985-07-24 1987-08-06 ドイチエ　トムソン−ブラント　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング Shutoff device for disk players

Also Published As

Publication number Publication date
JPS5931794B2 (en) 1984-08-04

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