JPS5928859U

JPS5928859U - Record size discrimination device

Info

Publication number: JPS5928859U
Application number: JP12266882U
Authority: JP
Inventors: 直祐黒田
Original assignee: 日本ビクター株式会社
Priority date: 1982-08-12
Filing date: 1982-08-12
Publication date: 1984-02-22

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案になるレコードサイズ判別装置の１実施
例を適用したレコードプレーヤの平面図、第２図は第１
図中■−■線に沿う縦断面図、第３゛図はレコード盤が
載置されていない状態でのＬ字形カムの状態を示す図、
第４図はレコード盤が載置されている状態でのＬ字形カ
ムの回動状態を示す図である。１・・・・・・レコードプレーヤ、１ａ・・・・・・ベ
ース、２・・・・・・ターンテーブル、３・・曲レコー
ドサイズ判別装置、４．　５．　６．　７−−−−−−
Ｌ字形カム、４ａ、　　５ａ。５ａ、　　７ａ−−−−−−当接部、４ｂ、　　５ｂ、
　６ｂ、　　７ｂ−−−−−−腕部、８．　９・・・・
・・フォトインタラプタ、１１・・曲センタースピンド
ル、１２・・・・・・軸、１３・・・・・・捩りばね、
１４・・・・・・ＥＰレコード盤。FIG. 1 is a plan view of a record player to which an embodiment of the record size discrimination device of the present invention is applied, and FIG.
A longitudinal sectional view taken along the line ■-■ in the figure, Figure 3 is a diagram showing the state of the L-shaped cam with no record placed on it,
FIG. 4 is a diagram showing the rotating state of the L-shaped cam with a record placed thereon. 1... Record player, 1a... Bass, 2... Turntable, 3... Song record size determination device, 4. 5. 6. 7------
L-shaped cam, 4a, 5a. 5a, 7a------contact part, 4b, 5b,
6b, 7b--arm portion, 8. 9...
... Photo interrupter, 11 ... Curved center spindle, 12 ... Axis, 13 ... Torsion spring,
14...EP record.

Claims

[Scope of utility model registration request]

It is arranged at a position corresponding to the size of the record on the turntable, and when no record is placed, the upper part protrudes above the turntable, and when a record is placed, this placement a plurality of record disc size detecting members whose lower parts protrude toward the lower surface of the turntable when pushed down by the recorded record disc; and a plurality of record disc size detecting members provided on a substrate below the turntable so as to cooperate with the detecting members;
' A record size determination device comprising an optical detection element that optically detects whether or not the detection member protrudes toward the lower surface of the turntable.