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JPS52123641A - Slit illuminator - Google Patents

Slit illuminator

Info

Publication number
JPS52123641A
JPS52123641A JP4002176A JP4002176A JPS52123641A JP S52123641 A JPS52123641 A JP S52123641A JP 4002176 A JP4002176 A JP 4002176A JP 4002176 A JP4002176 A JP 4002176A JP S52123641 A JPS52123641 A JP S52123641A
Authority
JP
Japan
Prior art keywords
slit illuminator
slit
light
illuminator
refiecting
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
JP4002176A
Other languages
Japanese (ja)
Other versions
JPS6257982B2 (en
Inventor
Toshiyuki Iguchi
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 JP4002176A priority Critical patent/JPS52123641A/en
Publication of JPS52123641A publication Critical patent/JPS52123641A/en
Publication of JPS6257982B2 publication Critical patent/JPS6257982B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)
  • Lenses (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Abstract

PURPOSE: To stably illuminate a fine-width slit with a sufficient quantity of light by condensing light by means of two sets of oval refiecting mirrors and a hyperbolic reflecting mirror.
COPYRIGHT: (C)1977,JPO&Japio
JP4002176A 1976-04-09 1976-04-09 Slit illuminator Granted JPS52123641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4002176A JPS52123641A (en) 1976-04-09 1976-04-09 Slit illuminator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4002176A JPS52123641A (en) 1976-04-09 1976-04-09 Slit illuminator

Publications (2)

Publication Number Publication Date
JPS52123641A true JPS52123641A (en) 1977-10-18
JPS6257982B2 JPS6257982B2 (en) 1987-12-03

Family

ID=12569240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4002176A Granted JPS52123641A (en) 1976-04-09 1976-04-09 Slit illuminator

Country Status (1)

Country Link
JP (1) JPS52123641A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481856A (en) * 1977-12-13 1979-06-29 Ricoh Co Ltd Lighting device of color copying machines
JPS60174362U (en) * 1984-04-27 1985-11-19 岩崎通信機株式会社 Original reading device
JPH0362301U (en) * 1989-07-28 1991-06-18
JP2006087077A (en) * 2004-08-18 2006-03-30 Ricoh Co Ltd Original illuminator, and image reader
JP4840533B1 (en) * 2011-01-12 2011-12-21 オムロン株式会社 Electromagnetic relay and reed switch mounting structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481856A (en) * 1977-12-13 1979-06-29 Ricoh Co Ltd Lighting device of color copying machines
JPS60174362U (en) * 1984-04-27 1985-11-19 岩崎通信機株式会社 Original reading device
JPH0362301U (en) * 1989-07-28 1991-06-18
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
JP4840533B1 (en) * 2011-01-12 2011-12-21 オムロン株式会社 Electromagnetic relay and reed switch mounting structure

Also Published As

Publication number Publication date
JPS6257982B2 (en) 1987-12-03

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