JPS618862U - Original density detection device - Google Patents

Original density detection device

Info

Publication number
JPS618862U
JPS618862U JP9256884U JP9256884U JPS618862U JP S618862 U JPS618862 U JP S618862U JP 9256884 U JP9256884 U JP 9256884U JP 9256884 U JP9256884 U JP 9256884U JP S618862 U JPS618862 U JP S618862U
Authority
JP
Japan
Prior art keywords
light
document
detection device
density detection
optical fiber
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
JP9256884U
Other languages
Japanese (ja)
Inventor
稔 青木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP9256884U priority Critical patent/JPS618862U/en
Publication of JPS618862U publication Critical patent/JPS618862U/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (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 the drawing]

第１図は本考案の一実施例に係る原稿濃度検出装置を示
す概略機能図、第２図は光ファイバーの入射角度を示す
図である。 ２・・・原稿、３・・・反射鏡、４・・・光源、８・・
・開口部、１０・・・光ファイバー、１１・・・光検出
素子。FIG. 1 is a schematic functional diagram showing a document density detection device according to an embodiment of the present invention, and FIG. 2 is a diagram showing an incident angle of an optical fiber. 2... Original, 3... Reflector, 4... Light source, 8...
-Aperture, 10...optical fiber, 11...photodetection element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 原稿走査用光源と該光源の光を集光させる反射鏡とを有
する照射装置によって照射される原稿の画像濃度を検出
する複写機等の原稿濃度検出装置において、前記反射鏡
に光が原稿に達するような少なくとも１つの開口部を形
成し、該開口部を介して原稿に達した光の乱反射光が通
過する位置に光ファイバーの一端部を配置し、さらに光
ファイバーの他端部から出る光を検出する光検出素子を
、この光ファイバーの他端部近傍に配置したことを特徴
とする原稿濃度検出装置。In a document density detection device such as a copying machine that detects the image density of a document irradiated by an irradiation device having a document scanning light source and a reflecting mirror that focuses light from the light source, light reaches the document by the reflecting mirror. forming at least one opening, disposing one end of the optical fiber at a position through which the diffusely reflected light of the light that reaches the original through the opening passes, and detecting the light emitted from the other end of the optical fiber. A document density detection device characterized in that a photodetection element is arranged near the other end of the optical fiber.
JP9256884U 1984-06-22 1984-06-22 Original density detection device Pending JPS618862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9256884U JPS618862U (en) 1984-06-22 1984-06-22 Original density detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9256884U JPS618862U (en) 1984-06-22 1984-06-22 Original density detection device

Publications (1)

Publication Number Publication Date
JPS618862U true JPS618862U (en) 1986-01-20

Family

ID=30649479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9256884U Pending JPS618862U (en) 1984-06-22 1984-06-22 Original density detection device

Country Status (1)

Country Link
JP (1) JPS618862U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0362569U (en) * 1989-10-16 1991-06-19
JPH0880393A (en) * 1994-09-14 1996-03-26 Juki Corp 2-needle sewing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0362569U (en) * 1989-10-16 1991-06-19
JPH0880393A (en) * 1994-09-14 1996-03-26 Juki Corp 2-needle sewing machine

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