JPH0481308U - - Google Patents

Info

Publication number
JPH0481308U
JPH0481308U JP12396690U JP12396690U JPH0481308U JP H0481308 U JPH0481308 U JP H0481308U JP 12396690 U JP12396690 U JP 12396690U JP 12396690 U JP12396690 U JP 12396690U JP H0481308 U JPH0481308 U JP H0481308U
Authority
JP
Japan
Prior art keywords
basement
fiber bundle
optical fiber
ground
above ground
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
JP12396690U
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 JP12396690U priority Critical patent/JPH0481308U/ja
Publication of JPH0481308U publication Critical patent/JPH0481308U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Light Guides In General And Applications Therefor (AREA)

Description

【図面の簡単な説明】
第１図は実施例に係る地下室の照明装置の側面
断面図、第２図は地上集光部の要部拡大断面図を
示す。 １０……地下室、１２……地上、１４……光フ
アイバー束、１８……半球状集光部、２０……フ
アイバー繊維、２２……集光レンズ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 地中に埋設される地下室の室内と地上空間とを
    光フアイバー束により接続するとともに当該光フ
    アイバー束における地下室内と地上の集光端を半
    球状に拡散させて形成し、当該光フアイバーを介
    して太陽光の導入を図り、かつ地下室内に設けら
    れた照明の光により地上の夜間照明を可能とした
    ことを特徴とする地下室の照明装置。
JP12396690U 1990-11-26 1990-11-26 Pending JPH0481308U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12396690U JPH0481308U (ja) 1990-11-26 1990-11-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12396690U JPH0481308U (ja) 1990-11-26 1990-11-26

Publications (1)

Publication Number Publication Date
JPH0481308U true JPH0481308U (ja) 1992-07-15

Family

ID=31871644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12396690U Pending JPH0481308U (ja) 1990-11-26 1990-11-26

Country Status (1)

Country Link
JP (1) JPH0481308U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2022024336A1 (ja) * 2020-07-31 2022-02-03

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2022024336A1 (ja) * 2020-07-31 2022-02-03
WO2022024336A1 (ja) * 2020-07-31 2022-02-03 日本電信電話株式会社 光ファイバ及び太陽光伝送システム

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