JPS61106935U - - Google Patents

Info

Publication number
JPS61106935U
JPS61106935U JP19211484U JP19211484U JPS61106935U JP S61106935 U JPS61106935 U JP S61106935U JP 19211484 U JP19211484 U JP 19211484U JP 19211484 U JP19211484 U JP 19211484U JP S61106935 U JPS61106935 U JP S61106935U
Authority
JP
Japan
Prior art keywords
focal point
light source
explanatory diagram
reflected
light
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
JP19211484U
Other languages
Japanese (ja)
Other versions
JPH0440196Y2 (en
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 filed Critical
Priority to JP1984192114U priority Critical patent/JPH0440196Y2/ja
Publication of JPS61106935U publication Critical patent/JPS61106935U/ja
Application granted granted Critical
Publication of JPH0440196Y2 publication Critical patent/JPH0440196Y2/ja
Expired legal-status Critical Current

Links

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  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Description

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

第１Ａ図は、本考案装置の説明のための概略側
面図、第１Ｂ図は、本考案装置の各楕円光軸の照
度と合成照度の関係を示す。第１Ｃ図は、ｘ―ｙ
座標に基づいた第１Ａ図の詳細説明図。第２図は
、本考案装置の全体斜視図。第３図は、従来の板
金曲げ散乱光利用方法説明図。第４図は、従来の
放物線平行利用方法説明図。第５図は、従来の楕
円集光利用方法説明図。第６図は、改良従来型装
置の作用説明図。 １：原稿載置用ガラス、２：反射板本体、２′
：板金曲げ反射板、２″：放物線反射板、２：
楕円反射板、２１：円形反射板、３：光源ランプ
、４：ランプ取付金具、５：温度ヒユーズ板、６
：コネクタ、９：レンズ、１０：装置本体、ｌ１
，ｌ２，ｌ３ｌ４：光軸、Ｆ１：楕円の第１焦点
、Ｆ２：楕円の第２焦点、Ｄ１，Ｄ２，Ｄ３，Ｄ
４：各楕円中心点。 FIG. 1A is a schematic side view for explaining the device of the present invention, and FIG. 1B shows the relationship between the illuminance of each elliptical optical axis and the combined illuminance of the device of the present invention. Figure 1C shows x-y
1A is a detailed explanatory diagram of FIG. 1A based on coordinates; FIG. FIG. 2 is an overall perspective view of the device of the present invention. FIG. 3 is an explanatory diagram of a conventional sheet metal bending method of utilizing scattered light. FIG. 4 is an explanatory diagram of a conventional parabolic parallel usage method. FIG. 5 is an explanatory diagram of a conventional elliptical condensing method. FIG. 6 is an explanatory diagram of the operation of the improved conventional device. 1: Document placement glass, 2: Reflector body, 2'
: Sheet metal bending reflector, 2″: Parabolic reflector, 2:
Elliptical reflector, 21: Circular reflector, 3: Light source lamp, 4: Lamp mounting bracket, 5: Temperature fuse plate, 6
: Connector, 9: Lens, 10: Device body, l 1
 , l 2 , l 3 l 4 : Optical axis, F 1 : First focal point of the ellipse, F 2 : Second focal point of the ellipse, D1, D2, D3, D
4: Center point of each ellipse.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光源Ｆ１を共通第１焦点とし、第２焦点がずれ
て照射する２つの等楕円からなる反射装置を左右
対称に設けて、光源からの反射光を左右対称の４
つの等楕円ａ，ｂ，ｃ，ｄによつて４つの光軸ｌ
１，ｌ２，ｌ３，ｌ４のもとに集光し、機械内部
への着脱可能な一体構造とした複写機の原稿照射
露光装置。 The light source F1 is a common first focal point, and the second focal point is shifted from two equal elliptical reflection devices that emit light, and the reflected light from the light source is reflected from the four
Four optical axes l are formed by four equal ellipses a, b, c, and d.
1 , l2 , l3 , and l4 , and has an integrated structure that can be attached to and removed from the inside of the machine.
JP1984192114U 1984-12-20 1984-12-20 Expired JPH0440196Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984192114U JPH0440196Y2 (en) 1984-12-20 1984-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984192114U JPH0440196Y2 (en) 1984-12-20 1984-12-20

Publications (2)

Publication Number Publication Date
JPS61106935U true JPS61106935U (en) 1986-07-07
JPH0440196Y2 JPH0440196Y2 (en) 1992-09-21

Family

ID=30749542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984192114U Expired JPH0440196Y2 (en) 1984-12-20 1984-12-20

Country Status (1)

Country Link
JP (1) JPH0440196Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006087077A (en) * 2004-08-18 2006-03-30 Ricoh Co Ltd Original illuminator, and image reader
JP4733465B2 (en) * 2004-10-18 2011-07-27 株式会社リコー Document illumination device, document reading device, and image forming apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4710536U (en) * 1971-03-01 1972-10-07
JPS5442543U (en) * 1977-08-30 1979-03-22

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5273559A (en) * 1976-02-18 1977-06-20 Sharp Corp Simplified electric cleaner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4710536U (en) * 1971-03-01 1972-10-07
JPS5442543U (en) * 1977-08-30 1979-03-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006087077A (en) * 2004-08-18 2006-03-30 Ricoh Co Ltd Original illuminator, and image reader
JP4641883B2 (en) * 2004-08-18 2011-03-02 株式会社リコー Document illumination device and image reading device
JP4733465B2 (en) * 2004-10-18 2011-07-27 株式会社リコー Document illumination device, document reading device, and image forming apparatus

Also Published As

Publication number Publication date
JPH0440196Y2 (en) 1992-09-21

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