JPS5897758U - Automatic record size detection device - Google Patents

Automatic record size detection device

Info

Publication number
JPS5897758U
JPS5897758U JP18929781U JP18929781U JPS5897758U JP S5897758 U JPS5897758 U JP S5897758U JP 18929781 U JP18929781 U JP 18929781U JP 18929781 U JP18929781 U JP 18929781U JP S5897758 U JPS5897758 U JP S5897758U
Authority
JP
Japan
Prior art keywords
turntable
detection device
size detection
automatic record
record size
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
JP18929781U
Other languages
Japanese (ja)
Other versions
JPS6224356Y2 (en
Inventor
浩 杉山
Original Assignee
赤井電機株式会社
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 赤井電機株式会社 filed Critical 赤井電機株式会社
Priority to JP18929781U priority Critical patent/JPS5897758U/en
Publication of JPS5897758U publication Critical patent/JPS5897758U/en
Application granted granted Critical
Publication of JPS6224356Y2 publication Critical patent/JPS6224356Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、従来のレコード盤サイズ自動検出装置付レコ
ードプレーヤめ平面図、第２図は、同じくその要部構成
を示す縦断面図、第３図は、この考案の一実施例を示す
平面図、第４図は、この考案の他の実施例を示す斜視図
、第５図は、従来装置とこの考案による装置の光源から
の光照射方向の相違を示す説明図、第６図は、この考案
による　゛効果を説明するための斜視説明図である。 １・・・・・・レコードプレーヤ、２・・・・・・ター
ンテーブル、３・・・・・・光源、４・・・・・・受光
体、５・・・・・・透孔、６゛・・・・・・レコード盤
、７・・・・・・台、８・・・・・・回転軸、９・・・
・・・トーンアーム。Fig. 1 is a plan view of a conventional record player equipped with an automatic record disc size detection device, Fig. 2 is a vertical cross-sectional view showing the configuration of its main parts, and Fig. 3 is a plan view showing an embodiment of this invention. 4 is a perspective view showing another embodiment of this invention, FIG. 5 is an explanatory diagram showing the difference in the direction of light irradiation from the light source between the conventional device and the device according to this invention, and FIG. 6 is a perspective view showing another embodiment of the invention. FIG. 2 is a perspective explanatory view for explaining the effects of this invention. 1...Record player, 2...Turntable, 3...Light source, 4...Photoreceptor, 5...Through hole, 6゛... Record disc, 7... Stand, 8... Rotating shaft, 9...
...Tone arm.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ターンテーブルの側部上方に光源を、下方に受光体を配
置すると共に、このターンテーブルの所要箇所に透孔を
設け、前記光源からの光が受光体によって検出されるか
否かによって、゛前記ターンテーブル上に載置されたレ
コード盤のサイズを検出するようにしたレコード盤サイ
ズ自動検出装置−において、前記光源を、前記ターンテ
ーブルの上方から見てその回転中心と受光体とを結ぶ線
に対してほぼ直交する方向に光を照射するように配置し
たことを特徴とするレコード盤サイズ自動検出装置。A light source is placed above the side of the turntable, a photoreceptor is placed below the turntable, and through holes are provided at required locations on the turntable, and depending on whether or not the light from the light source is detected by the photoreceptor, the In an automatic record disc size detection device that detects the size of a record placed on a turntable, the light source is aligned with a line connecting the center of rotation of the turntable and the photoreceptor when viewed from above the turntable. An automatic record size detection device characterized by being arranged so as to irradiate light in a direction substantially perpendicular to the record size.
JP18929781U 1981-12-21 1981-12-21 Automatic record size detection device Granted JPS5897758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18929781U JPS5897758U (en) 1981-12-21 1981-12-21 Automatic record size detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18929781U JPS5897758U (en) 1981-12-21 1981-12-21 Automatic record size detection device

Publications (2)

Publication Number Publication Date
JPS5897758U true JPS5897758U (en) 1983-07-02
JPS6224356Y2 JPS6224356Y2 (en) 1987-06-22

Family

ID=30103245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18929781U Granted JPS5897758U (en) 1981-12-21 1981-12-21 Automatic record size detection device

Country Status (1)

Country Link
JP (1) JPS5897758U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5110907A (en) * 1974-07-17 1976-01-28 Mitsubishi Electric Corp REKOODOBANKEISENBETSUSOCHI
JPS54151206U (en) * 1978-04-11 1979-10-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5110907A (en) * 1974-07-17 1976-01-28 Mitsubishi Electric Corp REKOODOBANKEISENBETSUSOCHI
JPS54151206U (en) * 1978-04-11 1979-10-20

Also Published As

Publication number Publication date
JPS6224356Y2 (en) 1987-06-22

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