JPH0252216U - - Google Patents

Info

Publication number
JPH0252216U
JPH0252216U JP13105888U JP13105888U JPH0252216U JP H0252216 U JPH0252216 U JP H0252216U JP 13105888 U JP13105888 U JP 13105888U JP 13105888 U JP13105888 U JP 13105888U JP H0252216 U JPH0252216 U JP H0252216U
Authority
JP
Japan
Prior art keywords
pipe end
points
fluorescent lamp
illuminance
light
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
JP13105888U
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 JP13105888U priority Critical patent/JPH0252216U/ja
Publication of JPH0252216U publication Critical patent/JPH0252216U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る照度拡散スク
リーンの正面図、第2図は一般的な広告看板の横
断平面図、第3図は従来の照度拡散スクリーンの
正面図である。 3……蛍光灯、5……フイルム、6……遮光点
、A……管端点、l……中心線。

Claims (1)

    【実用新案登録請求の範囲】
  1. 蛍光灯3の前面に管と平行に張設される透明の
    フイルム5と、このフイルム5に付着させた無数
    の遮光点6とを備え、前記遮光点6が蛍光灯3の
    両電極に対応する両管端点A間では、中心線lを
    中心にしてその両側に遠ざかるにつれて粗になる
    ように分布され、両管端点Aよりも外側では各管
    端点Aを中心にして外半円放射方向に遠ざかるに
    つれて粗になるように分布されたことを特徴とす
    る蛍光灯用照度拡散スクリーン。
JP13105888U 1988-10-06 1988-10-06 Pending JPH0252216U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13105888U JPH0252216U (ja) 1988-10-06 1988-10-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13105888U JPH0252216U (ja) 1988-10-06 1988-10-06

Publications (1)

Publication Number Publication Date
JPH0252216U true JPH0252216U (ja) 1990-04-16

Family

ID=31386775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13105888U Pending JPH0252216U (ja) 1988-10-06 1988-10-06

Country Status (1)

Country Link
JP (1) JPH0252216U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836385U (ja) * 1971-09-03 1973-05-01
JPS496593U (ja) * 1972-04-19 1974-01-21
JPS636767U (ja) * 1986-06-30 1988-01-18

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836385U (ja) * 1971-09-03 1973-05-01
JPS496593U (ja) * 1972-04-19 1974-01-21
JPS636767U (ja) * 1986-06-30 1988-01-18

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