JPS5339135A - Filter device in slit lighting system - Google Patents

Filter device in slit lighting system

Info

Publication number
JPS5339135A
JPS5339135A JP11407576A JP11407576A JPS5339135A JP S5339135 A JPS5339135 A JP S5339135A JP 11407576 A JP11407576 A JP 11407576A JP 11407576 A JP11407576 A JP 11407576A JP S5339135 A JPS5339135 A JP S5339135A
Authority
JP
Japan
Prior art keywords
filter device
lighting system
slit lighting
slit
easy
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
JP11407576A
Other languages
Japanese (ja)
Inventor
Kenji Honda
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 JP11407576A priority Critical patent/JPS5339135A/en
Publication of JPS5339135A publication Critical patent/JPS5339135A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)

Abstract

PURPOSE: To provide a structure which is easy in both operation and production by stepwise changing the light transmittances of rectangular shaped plane peripheral portions toward one rotating direction based on a certain peripheral portion.
COPYRIGHT: (C)1978,JPO&Japio
JP11407576A 1976-09-22 1976-09-22 Filter device in slit lighting system Pending JPS5339135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11407576A JPS5339135A (en) 1976-09-22 1976-09-22 Filter device in slit lighting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11407576A JPS5339135A (en) 1976-09-22 1976-09-22 Filter device in slit lighting system

Publications (1)

Publication Number Publication Date
JPS5339135A true JPS5339135A (en) 1978-04-10

Family

ID=14628409

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11407576A Pending JPS5339135A (en) 1976-09-22 1976-09-22 Filter device in slit lighting system

Country Status (1)

Country Link
JP (1) JPS5339135A (en)

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