JPS58180547U - variable magnification copying device - Google Patents
variable magnification copying deviceInfo
- Publication number
- JPS58180547U JPS58180547U JP7867482U JP7867482U JPS58180547U JP S58180547 U JPS58180547 U JP S58180547U JP 7867482 U JP7867482 U JP 7867482U JP 7867482 U JP7867482 U JP 7867482U JP S58180547 U JPS58180547 U JP S58180547U
- Authority
- JP
- Japan
- Prior art keywords
- variable magnification
- lens
- optical path
- copying device
- magnification
- 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
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Variable Magnification In Projection-Type Copying Machines (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
第１図は本考案の適用できる電子写真複写機の一例の説
明図、第２図１よＣＯ３４乗則補正部材の一例の説明図
、第３図は本考案の一実施例の要部側面図、第４図Ａ、
Ｂ、 Ｃは減光マスク例の正面図である。
１は感光ドラム、９．１０は原稿走査ミラー、１２はレ
ンズ、１５はＣ０８４乗則補正板、１９は減光マスク、
２１はばね、２６はソレノイドである。FIG. 1 is an explanatory diagram of an example of an electrophotographic copying machine to which the present invention can be applied, FIG. 2 is an explanatory diagram of an example of a CO34 power law correction member, and FIG. 3 is a side view of essential parts of an embodiment of the present invention. , Figure 4A,
B and C are front views of an example of a light attenuation mask. 1 is a photosensitive drum, 9.10 is an original scanning mirror, 12 is a lens, 15 is a C084 power law correction plate, 19 is a light attenuation mask,
21 is a spring, and 26 is a solenoid.
Claims (1)
光路長の比を変更することによって複写倍率を変更する
ようにした可変倍複写装置に於いて、光路中に配置され
たｃｏｓ４乗則補正則補正部材択された倍率に対応して
レンズ近傍の光路中に出し入れされる、レンズの瞳全体
を覆う減光マスクと、を備えたことを特徴とする可変倍
複写装置。In a variable magnification copying device that changes the copying magnification by changing the ratio of the original scanning speed to the photoreceptor moving speed and the ratio of the optical path length before and after the lens, a cos fourth power law correction placed in the optical path is used. A variable magnification copying apparatus comprising: a light attenuation mask that covers the entire pupil of the lens and that is moved in and out of the optical path near the lens in accordance with the selected magnification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7867482U JPS58180547U (en) | 1982-05-28 | 1982-05-28 | variable magnification copying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7867482U JPS58180547U (en) | 1982-05-28 | 1982-05-28 | variable magnification copying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58180547U true JPS58180547U (en) | 1983-12-02 |
Family
ID=30087880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7867482U Pending JPS58180547U (en) | 1982-05-28 | 1982-05-28 | variable magnification copying device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58180547U (en) |
-
1982
- 1982-05-28 JP JP7867482U patent/JPS58180547U/en active Pending
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