JPS51143345A - Light attenuator - Google Patents

Light attenuator

Info

Publication number
JPS51143345A
JPS51143345A JP6733075A JP6733075A JPS51143345A JP S51143345 A JPS51143345 A JP S51143345A JP 6733075 A JP6733075 A JP 6733075A JP 6733075 A JP6733075 A JP 6733075A JP S51143345 A JPS51143345 A JP S51143345A
Authority
JP
Japan
Prior art keywords
light attenuator
attenuator
light
change
make
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
JP6733075A
Other languages
Japanese (ja)
Inventor
Susumu Ito
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP6733075A priority Critical patent/JPS51143345A/en
Publication of JPS51143345A publication Critical patent/JPS51143345A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make a change of transmission coefficient continuous in a radial direction.
COPYRIGHT: (C)1976,JPO&Japio
JP6733075A 1975-06-04 1975-06-04 Light attenuator Pending JPS51143345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6733075A JPS51143345A (en) 1975-06-04 1975-06-04 Light attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6733075A JPS51143345A (en) 1975-06-04 1975-06-04 Light attenuator

Publications (1)

Publication Number Publication Date
JPS51143345A true JPS51143345A (en) 1976-12-09

Family

ID=13341891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6733075A Pending JPS51143345A (en) 1975-06-04 1975-06-04 Light attenuator

Country Status (1)

Country Link
JP (1) JPS51143345A (en)

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