JPS5616156A - Illumination optical unit for copying - Google Patents

Illumination optical unit for copying

Info

Publication number
JPS5616156A
JPS5616156A JP9030579A JP9030579A JPS5616156A JP S5616156 A JPS5616156 A JP S5616156A JP 9030579 A JP9030579 A JP 9030579A JP 9030579 A JP9030579 A JP 9030579A JP S5616156 A JPS5616156 A JP S5616156A
Authority
JP
Japan
Prior art keywords
air
cooling
optical system
flow path
duct
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
JP9030579A
Other languages
English (en)
Inventor
Hiroyuki Idenawa
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 JP9030579A priority Critical patent/JPS5616156A/ja
Publication of JPS5616156A publication Critical patent/JPS5616156A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP9030579A 1979-07-18 1979-07-18 Illumination optical unit for copying Pending JPS5616156A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9030579A JPS5616156A (en) 1979-07-18 1979-07-18 Illumination optical unit for copying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9030579A JPS5616156A (en) 1979-07-18 1979-07-18 Illumination optical unit for copying

Publications (1)

Publication Number Publication Date
JPS5616156A true JPS5616156A (en) 1981-02-16

Family

ID=13994819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9030579A Pending JPS5616156A (en) 1979-07-18 1979-07-18 Illumination optical unit for copying

Country Status (1)

Country Link
JP (1) JPS5616156A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847835U (ja) * 1981-09-25 1983-03-31 キヤノン株式会社 画像形成装置
US5550624A (en) * 1992-04-10 1996-08-27 Siemens Nixdorf Informationssysteme Aktiengesellschaft Electrophotographic printing device for the simultaneous printing of both sides of a recording medium
JP2012093391A (ja) * 2010-10-22 2012-05-17 Fuji Xerox Co Ltd 検知装置、画像形成装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847835U (ja) * 1981-09-25 1983-03-31 キヤノン株式会社 画像形成装置
JPS6137002Y2 (ja) * 1981-09-25 1986-10-27
US5550624A (en) * 1992-04-10 1996-08-27 Siemens Nixdorf Informationssysteme Aktiengesellschaft Electrophotographic printing device for the simultaneous printing of both sides of a recording medium
JP2012093391A (ja) * 2010-10-22 2012-05-17 Fuji Xerox Co Ltd 検知装置、画像形成装置

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