JPS622002U - - Google Patents

Info

Publication number
JPS622002U
JPS622002U JP9467385U JP9467385U JPS622002U JP S622002 U JPS622002 U JP S622002U JP 9467385 U JP9467385 U JP 9467385U JP 9467385 U JP9467385 U JP 9467385U JP S622002 U JPS622002 U JP S622002U
Authority
JP
Japan
Prior art keywords
light
sin
shielding film
protrusions
interval
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
JP9467385U
Other languages
English (en)
Other versions
JPH0430561Y2 (ja
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 JP1985094673U priority Critical patent/JPH0430561Y2/ja
Priority to DE19863610260 priority patent/DE3610260A1/de
Publication of JPS622002U publication Critical patent/JPS622002U/ja
Application granted granted Critical
Publication of JPH0430561Y2 publication Critical patent/JPH0430561Y2/ja
Expired legal-status Critical Current

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  • Optical Elements Other Than Lenses (AREA)

Description

【図面の簡単な説明】
第１図は本考案の作用を説明する断面図、第２
図は開口比を説明する断面図、第３図は透過率特
性図、第４図は一実施例の平面図である。 Ａ…突起物、Ｂ…遮光部、Ｃ…空気層。

Claims (1)

  1. 【実用新案登録請求の範囲】 透光性材料よりなる断面長方形状の突起物を所
    定間隔で配列し、上記突起物の側面に光吸収性の
    薄い遮光部を形成することにより、透過可能な光
    線の方向を制御するようにした遮光フイルムにお
    いて、 可視角を２θ、突起物の屈折率をｎ２、突起物
    を囲む物質の屈折率をｎ１とした時、突起物の断
    面幅と突起物の間隔との比を、 １：〓（ｎ２／ｎ１）２−ｓｉｎ２θ１−ｓｉｎ
    ２θ とした遮光フイルム。
JP1985094673U 1985-03-28 1985-06-21 Expired JPH0430561Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1985094673U JPH0430561Y2 (ja) 1985-06-21 1985-06-21
DE19863610260 DE3610260A1 (de) 1985-03-28 1986-03-26 Lichtabschirmplatte und verfahren zu deren herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985094673U JPH0430561Y2 (ja) 1985-06-21 1985-06-21

Publications (2)

Publication Number Publication Date
JPS622002U true JPS622002U (ja) 1987-01-08
JPH0430561Y2 JPH0430561Y2 (ja) 1992-07-23

Family

ID=30653368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985094673U Expired JPH0430561Y2 (ja) 1985-03-28 1985-06-21

Country Status (1)

Country Link
JP (1) JPH0430561Y2 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447659A (en) * 1977-09-22 1979-04-14 Ricoh Co Ltd Paper discharge base in copying machine
JPS56165637A (en) * 1980-05-20 1981-12-19 Ricoh Co Ltd Sheet-feeding device
JPS59177501A (ja) * 1983-03-17 1984-10-08 ザ・ベンデイツクス・コ−ポレ−シヨン フイルタ
JPS6052427A (ja) * 1983-08-31 1985-03-25 Fuji Xerox Co Ltd 自動両面複写用紙トレイ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447659A (en) * 1977-09-22 1979-04-14 Ricoh Co Ltd Paper discharge base in copying machine
JPS56165637A (en) * 1980-05-20 1981-12-19 Ricoh Co Ltd Sheet-feeding device
JPS59177501A (ja) * 1983-03-17 1984-10-08 ザ・ベンデイツクス・コ−ポレ−シヨン フイルタ
JPS6052427A (ja) * 1983-08-31 1985-03-25 Fuji Xerox Co Ltd 自動両面複写用紙トレイ

Also Published As

Publication number Publication date
JPH0430561Y2 (ja) 1992-07-23

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