JPH0431149U - - Google Patents
Info
- Publication number
- JPH0431149U JPH0431149U JP7220890U JP7220890U JPH0431149U JP H0431149 U JPH0431149 U JP H0431149U JP 7220890 U JP7220890 U JP 7220890U JP 7220890 U JP7220890 U JP 7220890U JP H0431149 U JPH0431149 U JP H0431149U
- Authority
- JP
- Japan
- Prior art keywords
- document
- light
- document size
- emitting element
- holding plate
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図は本考案の一実施例を示す構成ブロツク
図、第２図、第３図及び第４図は本考案の原稿サ
イズ検出機構と演算例を説明するための原稿台上
方から見た平面図、第５図は光センサと円弧状反
射板の一関係を示す概要構成図、第６図は国内用
紙サイズの標準を示す図、第７図ａ，ｂは本考案
において制御するレジストローラとその周辺構造
を示す概要図、第８図はレジストローラ制御タイ
ミングを示す制御信号図、第９図ａ，ｂ，ｃ，ｄ
，ｅ，ｆ，ｇ，ｈは本考案の制御手順を示すフロ
ーチヤート図である。
１……原稿台、２……原稿、３……原稿押さえ
板、４……スイツチ、５……ロツド、６……発光
素子、７……受光素子、８……モータ、９……光
センサ、１０……円弧状反射板、１１……モータ
駆動回路、１２……エンコーダ、１３……発光素
子駆動回路、１４……制御回路、１５……出力イ
ンタフエース、１６……ＣＰＵ、１７……入力イ
ンタフエース、１８……ＲＯＭ、１９……ＲＡＭ
、７１，７２……給紙カセツト（転写紙カセツト
）、７３，７４……給紙ローラ（記録紙繰り出し
ローラ）、７５……レジストローラ、７６……フ
オトセンサ。
Fig. 1 is a configuration block diagram showing one embodiment of the present invention, and Figs. 2, 3, and 4 are plane views seen from above the document table for explaining the original size detection mechanism and calculation example of the present invention. Figure 5 is a schematic configuration diagram showing the relationship between the optical sensor and the arcuate reflector, Figure 6 is a diagram showing the domestic paper size standard, and Figures 7a and b are the registration rollers controlled in the present invention. A schematic diagram showing the peripheral structure, FIG. 8 is a control signal diagram showing the registration roller control timing, and FIG. 9 is a, b, c, d.
, e, f, g, and h are flowcharts showing the control procedure of the present invention. DESCRIPTION OF SYMBOLS 1... Original table, 2... Original, 3... Original holding plate, 4... Switch, 5... Rod, 6... Light emitting element, 7... Light receiving element, 8... Motor, 9... Light sensor , 10... Arc-shaped reflector, 11... Motor drive circuit, 12... Encoder, 13... Light emitting element drive circuit, 14... Control circuit, 15... Output interface, 16... CPU, 17... Input interface, 18...ROM, 19...RAM
, 71, 72...paper feed cassette (transfer paper cassette), 73, 74... paper feed roller (recording paper feeding roller), 75...registration roller, 76...photo sensor.
Claims (1)
原稿台上に載置した原稿を上面から押圧密着させ
る原稿押さえ板と、原稿押さえ板の開閉状態を検
出するスイツチ手段と、原稿台下部に水平に回転
駆動される様に配置され発光素子及び受光素子を
有した少なくとも二組の光センサ手段と、上記発
光素子からの光を原稿方向に回折しまた原稿から
の反射光を上記受光素子方向に回折する円弧状の
光反射板と、上記光センサの回転角度または回転
駆動制御パルスの数と原稿の反射光とから原稿サ
イズまたは原稿載置位置を判定する制御部と、検
出した原稿位置情報に基づいて転写紙搬送経路上
のレジストローラの回転を制御する手段を備えた
ことを特徴とする複写機等の原稿サイズ検知機構
。 A document size scale provided around the document table, a document holding plate that presses the document placed on the document table tightly from the top surface, a switch means for detecting the open/closed state of the document holding plate, and a document size scale provided horizontally at the bottom of the document table. at least two sets of photosensor means arranged to be rotationally driven and having a light emitting element and a light receiving element, diffracting light from the light emitting element toward the document, and diffracting light reflected from the document toward the light receiving element; a control section that determines the document size or document placement position based on the rotation angle of the optical sensor or the number of rotation drive control pulses and the reflected light of the document; and a control section that determines the document size or document placement position based on the detected document position information. A document size detection mechanism for a copying machine or the like, comprising means for controlling the rotation of a registration roller on a transfer paper conveyance path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7220890U JPH0431149U (en) | 1990-07-06 | 1990-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7220890U JPH0431149U (en) | 1990-07-06 | 1990-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0431149U true JPH0431149U (en) | 1992-03-12 |
Family
ID=31609945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7220890U Pending JPH0431149U (en) | 1990-07-06 | 1990-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431149U (en) |
-
1990
- 1990-07-06 JP JP7220890U patent/JPH0431149U/ja active Pending
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