JPS5899963U - Light source for document illumination - Google Patents

Light source for document illumination

Info

Publication number
JPS5899963U
JPS5899963U JP19292481U JP19292481U JPS5899963U JP S5899963 U JPS5899963 U JP S5899963U JP 19292481 U JP19292481 U JP 19292481U JP 19292481 U JP19292481 U JP 19292481U JP S5899963 U JPS5899963 U JP S5899963U
Authority
JP
Japan
Prior art keywords
light source
document illumination
document
emitting elements
light emitting
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
JP19292481U
Other languages
Japanese (ja)
Inventor
武貞 広瀬
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP19292481U priority Critical patent/JPS5899963U/en
Publication of JPS5899963U publication Critical patent/JPS5899963U/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (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

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

第１図は従来の原稿照明用光源を具備した原稿読取装置
の構成図、第２図は第１図の装置を使用したときの原稿
読取装置における照度変化を現わ　　　　′す図、第３
図は従来の他の原稿照明用光源の構成図、第４図は本考
案の一実施例の構成図、第５図は本考案の二実施例を使
用したときの原稿読取位置における照度変化を現わす図
である。 １・・・原稿、２．　４．　６・・・基板、３・・・発
光ダイオード、５・・・光ファイバ、７・・・光量補正
反射板。Fig. 1 is a block diagram of a document reading device equipped with a conventional light source for document illumination, Fig. 2 is a diagram showing illuminance changes in the document reading device when the device shown in Fig. 1 is used, and Fig. 3
Figure 4 shows the configuration of another conventional document illumination light source, Figure 4 shows the configuration of one embodiment of the present invention, and Figure 5 shows changes in illuminance at the document reading position when two embodiments of the present invention are used. This is a diagram showing the 1... Manuscript, 2. 4. 6... Substrate, 3... Light emitting diode, 5... Optical fiber, 7... Light amount correction reflector.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）基板に配設した多数の発光素子によって原稿を照
明する原稿照明用光源において、前記発光素子の配列方
向に沿って、前記基板の両側端に光量補正反射板を立設
し、前記原稿表面における照度を均一にすることを特徴
とする原稿照明用光源。(1) In a light source for document illumination that illuminates a document with a large number of light emitting elements arranged on a substrate, light amount correction reflecting plates are erected at both ends of the substrate along the arrangement direction of the light emitting elements, and A light source for document illumination that is characterized by uniform illuminance on the surface. （２）前記光量補正反射板は、隣接する前記発光素子と
の間隙の位置と対応する位置に間欠的に立設されること
を特徴とする実用新案登録請求の範囲第（１）項記載の
原稿照明用光源。(2) The light amount correction reflector is intermittently provided upright at a position corresponding to a gap between the adjacent light emitting elements, as set forth in claim (1) of the utility model registration claim. Light source for document illumination.
JP19292481U 1981-12-26 1981-12-26 Light source for document illumination Pending JPS5899963U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19292481U JPS5899963U (en) 1981-12-26 1981-12-26 Light source for document illumination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19292481U JPS5899963U (en) 1981-12-26 1981-12-26 Light source for document illumination

Publications (1)

Publication Number Publication Date
JPS5899963U true JPS5899963U (en) 1983-07-07

Family

ID=30106305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19292481U Pending JPS5899963U (en) 1981-12-26 1981-12-26 Light source for document illumination

Country Status (1)

Country Link
JP (1) JPS5899963U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0440352U (en) * 1990-07-30 1992-04-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0440352U (en) * 1990-07-30 1992-04-06

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