JPS64208U - - Google Patents

Info

Publication number
JPS64208U
JPS64208U JP9468687U JP9468687U JPS64208U JP S64208 U JPS64208 U JP S64208U JP 9468687 U JP9468687 U JP 9468687U JP 9468687 U JP9468687 U JP 9468687U JP S64208 U JPS64208 U JP S64208U
Authority
JP
Japan
Prior art keywords
reflecting mirror
light source
disposed
sloped
incident
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
JP9468687U
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 JP9468687U priority Critical patent/JPS64208U/ja
Publication of JPS64208U publication Critical patent/JPS64208U/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図は本考案の一実施例の断面図、第２図は
上記実施例の輝度分布を示すグラフ、第３図は従
来の薄型の照明装置の輝度分布を示すグラフ、第
４図は底面の両側に傾斜面を有する反射鏡を用い
た従来の照明装置の斜視図、第５図は第４図に示
す従来例の輝度分布を示すグラフである。 １……反射鏡、２……光源、３……拡散板、４
……導光部材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 平面或はフレネル面からなる底面とその両側に
    一体形成した傾斜面とからなる反射鏡と、前記反
    射鏡の底面上に前記傾斜面と並行して配置した線
    光源と、前記線光源に対して前記底面と反対側に
    配設した拡散板を備えた照明装置において、前記
    光源の底面側略半部以下に入射面を又光源と反射
    鏡の傾斜面との間又は光源と光源との間の中間部
    に底面に対して傾斜させた反射面を有する透明体
    からなる導光部材を配したことを特徴とする照明
    装置。
JP9468687U 1987-06-22 1987-06-22 Pending JPS64208U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9468687U JPS64208U (ja) 1987-06-22 1987-06-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9468687U JPS64208U (ja) 1987-06-22 1987-06-22

Publications (1)

Publication Number Publication Date
JPS64208U true JPS64208U (ja) 1989-01-05

Family

ID=30958396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9468687U Pending JPS64208U (ja) 1987-06-22 1987-06-22

Country Status (1)

Country Link
JP (1) JPS64208U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH034826A (ja) * 1989-05-31 1991-01-10 Tokyo Electric Co Ltd 電気掃除機

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559122A (en) * 1978-07-04 1980-01-23 Fujitsu Ltd Infrared ray detection apparatus
JPS59226303A (ja) * 1983-06-07 1984-12-19 Seiko Epson Corp 平面光源
JPS62223902A (ja) * 1986-03-26 1987-10-01 株式会社日立製作所 平面光源

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559122A (en) * 1978-07-04 1980-01-23 Fujitsu Ltd Infrared ray detection apparatus
JPS59226303A (ja) * 1983-06-07 1984-12-19 Seiko Epson Corp 平面光源
JPS62223902A (ja) * 1986-03-26 1987-10-01 株式会社日立製作所 平面光源

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH034826A (ja) * 1989-05-31 1991-01-10 Tokyo Electric Co Ltd 電気掃除機

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