JPH02132256U - - Google Patents
Info
- Publication number
- JPH02132256U JPH02132256U JP4231889U JP4231889U JPH02132256U JP H02132256 U JPH02132256 U JP H02132256U JP 4231889 U JP4231889 U JP 4231889U JP 4231889 U JP4231889 U JP 4231889U JP H02132256 U JPH02132256 U JP H02132256U
- Authority
- JP
- Japan
- Prior art keywords
- copying machine
- document
- contact glass
- liquid crystal
- light shielding
- 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
- 239000011521 glass Substances 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims 3
Landscapes
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Description
第１図は本考案の一実施例の要部を示す部分断
面図、第２図は第１図の遮光装置を搭載した複写
機の概略を示す斜視図、第３図は第１図の操作ユ
ニツトの詳細及びコンタクトガラス上の原稿領域
と遮光領域との関係を示す平面図、第４図はこの
実施例の動作を示すフローヤートである。
１：複写機、２：原稿押え、３：コンタクトガ
ラス、４：ブツク原稿、５：液晶遮光装置、６：
フラツシユランプ、７：反射鏡、８：原稿領域、
９：遮光領域、１０：操作入力パネル、１１：操
作ユニツト、１２：スケール、１３：ブツクモー
ドスイツチ、１４：コピーボタン。
Fig. 1 is a partial sectional view showing the main parts of an embodiment of the present invention, Fig. 2 is a perspective view schematically showing a copying machine equipped with the light shielding device shown in Fig. 1, and Fig. 3 is the operation shown in Fig. 1. FIG. 4 is a plan view showing details of the unit and the relationship between the document area on the contact glass and the light-shielding area, and FIG. 4 is a flowchart showing the operation of this embodiment. 1: Copy machine, 2: Original holder, 3: Contact glass, 4: Book original, 5: LCD light shielding device, 6:
Flash lamp, 7: Reflector, 8: Original area,
9: Light shielding area, 10: Operation input panel, 11: Operation unit, 12: Scale, 13: Book mode switch, 14: Copy button.
Claims (1)
全面に渡らせて備え、原稿サイズに応じて原稿領
域以外のコンタクトガラス面を遮光する複写機の
遮光装置。 (2) 複写機本体に備えた操作入力パネルからの
原稿サイズ入力により上記液晶シヤツタによる遮
光領域を可変させる請求項１の複写機の遮光装置
。 (3) 上記コンタクトガラス面を覆うための原稿
押えの開閉に応じて上記液晶シヤツタ装置の動作
・非動作を制御する手段を有する請求項２の複写
機の遮光装置。[Scope of Claim for Utility Model Registration] (1) A light-shielding device for a copying machine that is equipped with a liquid crystal shutter device extending over the entire lower surface of a contact glass, and that blocks light from the contact glass surface other than the document area according to the size of the document. (2) The light shielding device for a copying machine according to claim 1, wherein the light shielding area by the liquid crystal shutter is varied by inputting a document size from an operation input panel provided in the copying machine main body. (3) A light shielding device for a copying machine according to claim 2, further comprising means for controlling operation/non-operation of said liquid crystal shutter device in response to opening/closing of a document holder for covering said contact glass surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4231889U JPH02132256U (en) | 1989-04-11 | 1989-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4231889U JPH02132256U (en) | 1989-04-11 | 1989-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02132256U true JPH02132256U (en) | 1990-11-02 |
Family
ID=31553760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4231889U Pending JPH02132256U (en) | 1989-04-11 | 1989-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02132256U (en) |
-
1989
- 1989-04-11 JP JP4231889U patent/JPH02132256U/ja active Pending
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