JPS5226828A - Filter device for the slit illumination system - Google Patents

Filter device for the slit illumination system

Info

Publication number
JPS5226828A
JPS5226828A JP10268675A JP10268675A JPS5226828A JP S5226828 A JPS5226828 A JP S5226828A JP 10268675 A JP10268675 A JP 10268675A JP 10268675 A JP10268675 A JP 10268675A JP S5226828 A JPS5226828 A JP S5226828A
Authority
JP
Japan
Prior art keywords
filter device
illumination system
slit illumination
slit
illuminating
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
JP10268675A
Other languages
Japanese (ja)
Other versions
JPS5757692B2 (en
Inventor
Masumi Ikesue
Kazuyuki Kato
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 JP10268675A priority Critical patent/JPS5226828A/en
Publication of JPS5226828A publication Critical patent/JPS5226828A/en
Publication of JPS5757692B2 publication Critical patent/JPS5757692B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Systems Of Projection Type Copiers (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)

Abstract

PURPOSE: To obtain a filter device which controls the intensity of an illuminating light and the temperature of illuminating color when a narrow and long region of an origianl document is illuminated by a slit light in the copying machine and facsimile.
COPYRIGHT: (C)1977,JPO&Japio
JP10268675A 1975-08-25 1975-08-25 Filter device for the slit illumination system Granted JPS5226828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10268675A JPS5226828A (en) 1975-08-25 1975-08-25 Filter device for the slit illumination system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10268675A JPS5226828A (en) 1975-08-25 1975-08-25 Filter device for the slit illumination system

Publications (2)

Publication Number Publication Date
JPS5226828A true JPS5226828A (en) 1977-02-28
JPS5757692B2 JPS5757692B2 (en) 1982-12-06

Family

ID=14334111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10268675A Granted JPS5226828A (en) 1975-08-25 1975-08-25 Filter device for the slit illumination system

Country Status (1)

Country Link
JP (1) JPS5226828A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0324548A (en) * 1989-06-21 1991-02-01 Orc Mfg Co Ltd Light source device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0324548A (en) * 1989-06-21 1991-02-01 Orc Mfg Co Ltd Light source device

Also Published As

Publication number Publication date
JPS5757692B2 (en) 1982-12-06

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