JPS578960A - Automatic music-selecting record player - Google Patents

Automatic music-selecting record player

Info

Publication number
JPS578960A
JPS578960A JP8243280A JP8243280A JPS578960A JP S578960 A JPS578960 A JP S578960A JP 8243280 A JP8243280 A JP 8243280A JP 8243280 A JP8243280 A JP 8243280A JP S578960 A JPS578960 A JP S578960A
Authority
JP
Japan
Prior art keywords
held
music
projection part
photodetecting
microcomputer
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
JP8243280A
Other languages
Japanese (ja)
Inventor
Isao Koga
Yasushi Igari
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.)
Sansui Electric Co Ltd
Original Assignee
Sansui 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 Sansui Electric Co Ltd filed Critical Sansui Electric Co Ltd
Priority to JP8243280A priority Critical patent/JPS578960A/en
Publication of JPS578960A publication Critical patent/JPS578960A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
    • G11B3/085—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
    • G11B3/08503—Control of drive of the head
    • G11B3/08506—Control of drive of the head for pivoting pick-up arms
    • G11B3/08512—Control of drive of the head for pivoting pick-up arms using optical detecting means

Abstract

PURPOSE:To reproduce desired pieces of music by controlling the time when a tone arm is lowered according to the intensity of reflected light from a part between pieces of music on a record disk. CONSTITUTION:A light emitting element 16 is provided by being held by the projection part 12A of a head shell 12 projecting to in front of a cartridge 13 and positioned on its center line. The 1st photodetecting element 17 is also provided by being held by the said projection part 12A and leading the light emitting element 16 by a prescribed distance in the turning direction of a tone arm 11. The 2nd photodetecting element 18, on the other hand, is held by the said projection part 12A and positioned on its center line. Then, signals from the photodetecting elements are supplied to a microcomputer 21 to turn on and off muting. The microcomputer 21 outputs a reproduced signal only when an intermusic part on a record disk 15 is detected.
JP8243280A 1980-06-18 1980-06-18 Automatic music-selecting record player Pending JPS578960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8243280A JPS578960A (en) 1980-06-18 1980-06-18 Automatic music-selecting record player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8243280A JPS578960A (en) 1980-06-18 1980-06-18 Automatic music-selecting record player

Publications (1)

Publication Number Publication Date
JPS578960A true JPS578960A (en) 1982-01-18

Family

ID=13774393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8243280A Pending JPS578960A (en) 1980-06-18 1980-06-18 Automatic music-selecting record player

Country Status (1)

Country Link
JP (1) JPS578960A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57127963A (en) * 1981-01-30 1982-08-09 Pioneer Electronic Corp Automatic recording selector in record player

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57127963A (en) * 1981-01-30 1982-08-09 Pioneer Electronic Corp Automatic recording selector in record player

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