JPS52126241A - Slit illumination device - Google Patents

Slit illumination device

Info

Publication number
JPS52126241A
JPS52126241A JP4291176A JP4291176A JPS52126241A JP S52126241 A JPS52126241 A JP S52126241A JP 4291176 A JP4291176 A JP 4291176A JP 4291176 A JP4291176 A JP 4291176A JP S52126241 A JPS52126241 A JP S52126241A
Authority
JP
Japan
Prior art keywords
illumination device
light
slit illumination
reflective mirror
source light
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
JP4291176A
Other languages
Japanese (ja)
Other versions
JPS5852573B2 (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 JP51042911A priority Critical patent/JPS5852573B2/en
Publication of JPS52126241A publication Critical patent/JPS52126241A/en
Publication of JPS5852573B2 publication Critical patent/JPS5852573B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Lenses (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Abstract

PURPOSE: By illuminating a narrow slit area with a sufficient quantity of light by focusing an image source light of a light source light on a common focus for two sets of the hyperbolic reflective mirror by means of an elliptic reflective mirror.
COPYRIGHT: (C)1977,JPO&Japio
JP51042911A 1976-04-15 1976-04-15 slit lighting device Expired JPS5852573B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51042911A JPS5852573B2 (en) 1976-04-15 1976-04-15 slit lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51042911A JPS5852573B2 (en) 1976-04-15 1976-04-15 slit lighting device

Publications (2)

Publication Number Publication Date
JPS52126241A true JPS52126241A (en) 1977-10-22
JPS5852573B2 JPS5852573B2 (en) 1983-11-24

Family

ID=12649200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51042911A Expired JPS5852573B2 (en) 1976-04-15 1976-04-15 slit lighting device

Country Status (1)

Country Link
JP (1) JPS5852573B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158518U (en) * 1978-04-26 1979-11-05
JPS55115157U (en) * 1979-02-07 1980-08-14
JPS5619099U (en) * 1979-07-20 1981-02-19
JPS56126863A (en) * 1980-03-11 1981-10-05 Ricoh Co Ltd Lighting equipment of copying machine
EP1746465A1 (en) * 2005-07-15 2007-01-24 Ricoh Company, Ltd. An image forming apparatus capable of efficiently controlling light radiation to read an image

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158518U (en) * 1978-04-26 1979-11-05
JPS5848829Y2 (en) * 1978-04-26 1983-11-08 株式会社リコー slit lighting device
JPS55115157U (en) * 1979-02-07 1980-08-14
JPS5619099U (en) * 1979-07-20 1981-02-19
JPS56126863A (en) * 1980-03-11 1981-10-05 Ricoh Co Ltd Lighting equipment of copying machine
JPH0255787B2 (en) * 1980-03-11 1990-11-28 Ricoh Kk
EP1746465A1 (en) * 2005-07-15 2007-01-24 Ricoh Company, Ltd. An image forming apparatus capable of efficiently controlling light radiation to read an image
US7652804B2 (en) 2005-07-15 2010-01-26 Ricoh Company, Ltd. Image forming apparatus capable of efficiently controlling light radiation to read an image

Also Published As

Publication number Publication date
JPS5852573B2 (en) 1983-11-24

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