JPS6166806U - - Google Patents

Info

Publication number
JPS6166806U
JPS6166806U JP15110484U JP15110484U JPS6166806U JP S6166806 U JPS6166806 U JP S6166806U JP 15110484 U JP15110484 U JP 15110484U JP 15110484 U JP15110484 U JP 15110484U JP S6166806 U JPS6166806 U JP S6166806U
Authority
JP
Japan
Prior art keywords
reflective surface
light source
reflective
focal point
straight lines
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
JP15110484U
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 JP15110484U priority Critical patent/JPS6166806U/ja
Publication of JPS6166806U publication Critical patent/JPS6166806U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例を示す照明器具の
断面図、第2図は従来の照明器具の断面図である
。 4…光源、5…制御体、51…一方の反射面部
、51a…上端、51b…下端、52…他方の反
射面部、52a…上端、52b…下端、F…焦点
、O…発光中心、P…1点。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光源の両側に間隔を設けて対面する反射面部を
    有する制光体を設け、前記反射面部の形状を、一
    方の反射面部の下端から他方の反射面部の上端を
    結ぶ直線および他方の反射面部の下端から一方の
    反射面部の上端を結び直線のそれぞれの直線を光
    軸とし、かつこれら直線の交点を焦点、それぞれ
    の反射面部の上端を頂点とした放物線にそれぞれ
    形成すると共に、前記光軸より下側に光源が存在
    しないよう構成した照明器具において、前記それ
    ぞれの反射面部の下端から上端に至るまでの間の
    少なくとも1点において光源の発光中心と放物線
    の焦点とを見込む角が15°以上25°以下とな
    るように構成したことを特徴とする照明器具。
JP15110484U 1984-10-05 1984-10-05 Pending JPS6166806U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15110484U JPS6166806U (ja) 1984-10-05 1984-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15110484U JPS6166806U (ja) 1984-10-05 1984-10-05

Publications (1)

Publication Number Publication Date
JPS6166806U true JPS6166806U (ja) 1986-05-08

Family

ID=30709234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15110484U Pending JPS6166806U (ja) 1984-10-05 1984-10-05

Country Status (1)

Country Link
JP (1) JPS6166806U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767208A (en) * 1980-10-15 1982-04-23 Mitsubishi Electric Corp Illuminator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767208A (en) * 1980-10-15 1982-04-23 Mitsubishi Electric Corp Illuminator

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