JPS59114552U - Original size detection device - Google Patents

Original size detection device

Info

Publication number
JPS59114552U
JPS59114552U JP776583U JP776583U JPS59114552U JP S59114552 U JPS59114552 U JP S59114552U JP 776583 U JP776583 U JP 776583U JP 776583 U JP776583 U JP 776583U JP S59114552 U JPS59114552 U JP S59114552U
Authority
JP
Japan
Prior art keywords
document
transparent plate
detection device
size detection
reflective surface
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
JP776583U
Other languages
Japanese (ja)
Inventor
福田　宏昭
住吉　賢治
亮一 正木
谷　善平
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to JP776583U priority Critical patent/JPS59114552U/en
Priority to US06/571,187 priority patent/US4614874A/en
Priority to DE3401674A priority patent/DE3401674C2/en
Publication of JPS59114552U publication Critical patent/JPS59114552U/en
Pending legal-status Critical Current

Links

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) [Abstract] 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図は本考案による一実施例を示す要部斜視図、第２
図は同実施例の光結合関係を説明するための模型図、第
３図は同実施例の電気回路を示すブロック図である。 １：透明板、２：原稿カバー、３：開閉軸、４：反射面
、５：発光素子、６：受光素子、９：フリップフロップ
、１１：判定回路、１２：複写動作開始スイッチ、１３
：給紙装置。 ◇ 、／　　　　Ｘ。Fig. 1 is a perspective view of essential parts showing one embodiment of the present invention;
The figure is a model diagram for explaining the optical coupling relationship of the same embodiment, and FIG. 3 is a block diagram showing the electric circuit of the same embodiment. 1: Transparent plate, 2: Original cover, 3: Opening/closing shaft, 4: Reflective surface, 5: Light emitting element, 6: Light receiving element, 9: Flip-flop, 11: Judgment circuit, 12: Copy operation start switch, 13
:Paper feeding device. ◇,/X.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 原稿を載置するための透明板と、該透明板を被う開閉自
在の原稿カバーと、該原稿カバーの上記透明板との対向
面に設けられた反射面と、原稿の検出サイズに対応して
透明板領域の複数個所に夫々光を照射し、上記原稿カバ
ーが閉成途中の過程にある反射面によって反射された光
を受光素子に入射する位置に配置された発光素子と、受
光素子の信号に基いて原稿サイズを検出する判定回路と
を備えてなる原稿サイズ検出装置。A transparent plate for placing a document, a document cover that can be opened and closed to cover the transparent plate, a reflective surface provided on a surface of the document cover opposite to the transparent plate, and a reflective surface corresponding to the detected size of the document. A light emitting element is placed at a position where light is irradiated to a plurality of locations on the transparent plate area, and the light reflected by the reflective surface of the document cover is in the process of being closed is incident on the light receiving element. A document size detection device comprising a determination circuit that detects the document size based on a signal.
JP776583U 1983-01-21 1983-01-21 Original size detection device Pending JPS59114552U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP776583U JPS59114552U (en) 1983-01-21 1983-01-21 Original size detection device
US06/571,187 US4614874A (en) 1983-01-21 1984-01-16 Original document size detecting arrangement
DE3401674A DE3401674C2 (en) 1983-01-21 1984-01-19 Device for determining the size of copy templates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP776583U JPS59114552U (en) 1983-01-21 1983-01-21 Original size detection device

Publications (1)

Publication Number Publication Date
JPS59114552U true JPS59114552U (en) 1984-08-02

Family

ID=30139284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP776583U Pending JPS59114552U (en) 1983-01-21 1983-01-21 Original size detection device

Country Status (1)

Country Link
JP (1) JPS59114552U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5662274A (en) * 1979-10-24 1981-05-28 Konishiroku Photo Ind Co Ltd Original size detector of copying machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5662274A (en) * 1979-10-24 1981-05-28 Konishiroku Photo Ind Co Ltd Original size detector of copying machine

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