JPH02134512U - - Google Patents

Info

Publication number
JPH02134512U
JPH02134512U JP4392189U JP4392189U JPH02134512U JP H02134512 U JPH02134512 U JP H02134512U JP 4392189 U JP4392189 U JP 4392189U JP 4392189 U JP4392189 U JP 4392189U JP H02134512 U JPH02134512 U JP H02134512U
Authority
JP
Japan
Prior art keywords
filter
density
continuously changes
predetermined direction
supporting
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
JP4392189U
Other languages
English (en)
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 filed Critical
Priority to JP4392189U priority Critical patent/JPH02134512U/ja
Publication of JPH02134512U publication Critical patent/JPH02134512U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図ａ，ｂは本考案のサーキユラウエツジフ
イルタの説明図、第２図は従来のサーキユラウエ
ツジフイルタの説明図、第３図は本考案の光量調
整装置の平面断面図、第４図は本考案の光量調整
装置の側面断面図、第５図は本考案のサーキユラ
ウエツジフイルタに対する入射光の光路の説明図
、第６図は本考案のサーキユラウエツジフイルタ
の濃度分布の説明図である。 １……サーキユラウエツジフイルタ、１１……
基台、１２，１３，１４……傘歯車、１５，１６
……ベアリング、１７，１８……軸、１９……サ
ーキユラウエツジフイルタ、１９Ａ……表面、１
９Ｂ……裏面、２０……サーキユラウエツジフイ
ルタ、２０Ａ……表面、２０Ｂ……裏面。

Claims (1)

  1. 【実用新案登録請求の範囲】 所定の方向に所定の割合で連続的に変化する濃
    度を有する第１のフイルタと、 所定の方向に前記第１のフイルタと同一の割合
    で連続的に変化する濃度を有する第２のフイルタ
    と、 前記第１のフイルタと第２のフイルタを入射光
    に対して相補的に支持する支持手段と、 前記第１のフイルタと第２のフイルタを移動さ
    せる移動手段とを備える光量調整装置。
JP4392189U 1989-04-14 1989-04-14 Pending JPH02134512U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4392189U JPH02134512U (ja) 1989-04-14 1989-04-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4392189U JPH02134512U (ja) 1989-04-14 1989-04-14

Publications (1)

Publication Number Publication Date
JPH02134512U true JPH02134512U (ja) 1990-11-08

Family

ID=31556753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4392189U Pending JPH02134512U (ja) 1989-04-14 1989-04-14

Country Status (1)

Country Link
JP (1) JPH02134512U (ja)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947025A (ja) * 1972-08-10 1974-05-07
JPS57144503A (en) * 1981-03-03 1982-09-07 Canon Inc Adjuster for distribution of light volume
JPS5814139B2 (ja) * 1975-03-17 1983-03-17 富士電機株式会社 デンリヨクキヨウキユウホウシキ
JPS61100716A (ja) * 1984-10-23 1986-05-19 Victor Co Of Japan Ltd Ｎｄフイルタ
JPS6239814A (ja) * 1985-08-14 1987-02-20 Sony Corp 透過光量調節装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947025A (ja) * 1972-08-10 1974-05-07
JPS5814139B2 (ja) * 1975-03-17 1983-03-17 富士電機株式会社 デンリヨクキヨウキユウホウシキ
JPS57144503A (en) * 1981-03-03 1982-09-07 Canon Inc Adjuster for distribution of light volume
JPS61100716A (ja) * 1984-10-23 1986-05-19 Victor Co Of Japan Ltd Ｎｄフイルタ
JPS6239814A (ja) * 1985-08-14 1987-02-20 Sony Corp 透過光量調節装置

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