JPS59149155U - Image density detection device for dry type electrophotographic copying machine - Google Patents

Image density detection device for dry type electrophotographic copying machine

Info

Publication number
JPS59149155U
JPS59149155U JP4385183U JP4385183U JPS59149155U JP S59149155 U JPS59149155 U JP S59149155U JP 4385183 U JP4385183 U JP 4385183U JP 4385183 U JP4385183 U JP 4385183U JP S59149155 U JPS59149155 U JP S59149155U
Authority
JP
Japan
Prior art keywords
detection device
copying machine
dry type
image density
electrophotographic copying
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
JP4385183U
Other languages
Japanese (ja)
Inventor
千葉　聰
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP4385183U priority Critical patent/JPS59149155U/en
Publication of JPS59149155U publication Critical patent/JPS59149155U/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Dry Development In Electrophotography (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図は本考案に係る像濃度検出装置の一実施例を備え
た乾式電子写真複写機の概略側面図、第２図はその要部
拡大側面図、第３図は第２図の■−■線矢視図親図る。 １・・・ドラム状感光体、６・・・トナー像濃度検出装
置、６・・・投光器、７・・・ホトトランジスタ、訃・
−永久磁石、９・・・磁性粉。　。Fig. 1 is a schematic side view of a dry type electrophotographic copying machine equipped with an embodiment of the image density detection device according to the present invention, Fig. 2 is an enlarged side view of the main parts thereof, and Fig. 3 is a - ■Line arrow diagram. DESCRIPTION OF SYMBOLS 1... Drum-shaped photoreceptor, 6... Toner image density detection device, 6... Light projector, 7... Phototransistor,
-Permanent magnet, 9...magnetic powder. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 乾式電子写真複写機において、感光体の表面に形成され
たトナー像濃度を検知する検出装置の検知面の外周に磁
石を配置し、感光体表面に微少間隙を存して前記磁石に
磁性粉を連珠状に付着させたことを特徴とする乾式電子
写真複写機の像濃度検出装置。In a dry type electrophotographic copying machine, a magnet is arranged around the outer periphery of the detection surface of a detection device that detects the density of a toner image formed on the surface of a photoreceptor, and magnetic powder is applied to the magnet with a small gap on the surface of the photoreceptor. An image density detection device for a dry type electrophotographic copying machine, characterized in that the image density is attached in the form of a chain of beads.
JP4385183U 1983-03-26 1983-03-26 Image density detection device for dry type electrophotographic copying machine Pending JPS59149155U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4385183U JPS59149155U (en) 1983-03-26 1983-03-26 Image density detection device for dry type electrophotographic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4385183U JPS59149155U (en) 1983-03-26 1983-03-26 Image density detection device for dry type electrophotographic copying machine

Publications (1)

Publication Number Publication Date
JPS59149155U true JPS59149155U (en) 1984-10-05

Family

ID=30174389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4385183U Pending JPS59149155U (en) 1983-03-26 1983-03-26 Image density detection device for dry type electrophotographic copying machine

Country Status (1)

Country Link
JP (1) JPS59149155U (en)

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