JPS53129603A - Intermusic detector for players - Google Patents

Intermusic detector for players

Info

Publication number
JPS53129603A
JPS53129603A JP4494277A JP4494277A JPS53129603A JP S53129603 A JPS53129603 A JP S53129603A JP 4494277 A JP4494277 A JP 4494277A JP 4494277 A JP4494277 A JP 4494277A JP S53129603 A JPS53129603 A JP S53129603A
Authority
JP
Japan
Prior art keywords
detector
intermusic
players
record
record disc
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.)
Pending
Application number
JP4494277A
Other languages
Japanese (ja)
Inventor
Shigeki Tsuji
Hiromichi Shiosaki
Eiji Yamazaki
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP4494277A priority Critical patent/JPS53129603A/en
Publication of JPS53129603A publication Critical patent/JPS53129603A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce the adverse influence owing to warpage of record discs by providing slits whose lengthwise direction is the rotating direction of the record disc on the way of an optical path from a light source up to a photo detector after reflecting on the record disc and throttling luminous flux.
COPYRIGHT: (C)1978,JPO&Japio
JP4494277A 1977-04-18 1977-04-18 Intermusic detector for players Pending JPS53129603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4494277A JPS53129603A (en) 1977-04-18 1977-04-18 Intermusic detector for players

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4494277A JPS53129603A (en) 1977-04-18 1977-04-18 Intermusic detector for players

Publications (1)

Publication Number Publication Date
JPS53129603A true JPS53129603A (en) 1978-11-11

Family

ID=12705530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4494277A Pending JPS53129603A (en) 1977-04-18 1977-04-18 Intermusic detector for players

Country Status (1)

Country Link
JP (1) JPS53129603A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375096A (en) * 1981-03-10 1983-02-22 Rca Corporation Multi-bandwidth optical playback apparatus with elongated read spot
JPS623462A (en) * 1985-06-28 1987-01-09 Matsushita Electric Ind Co Ltd Reflecting type sensor for music selecting record player
JPH0492985U (en) * 1990-12-28 1992-08-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375096A (en) * 1981-03-10 1983-02-22 Rca Corporation Multi-bandwidth optical playback apparatus with elongated read spot
JPS623462A (en) * 1985-06-28 1987-01-09 Matsushita Electric Ind Co Ltd Reflecting type sensor for music selecting record player
JPH0492985U (en) * 1990-12-28 1992-08-12

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