JPS57147613A - Luminous picture - Google Patents

Luminous picture

Info

Publication number
JPS57147613A
JPS57147613A JP3357181A JP3357181A JPS57147613A JP S57147613 A JPS57147613 A JP S57147613A JP 3357181 A JP3357181 A JP 3357181A JP 3357181 A JP3357181 A JP 3357181A JP S57147613 A JPS57147613 A JP S57147613A
Authority
JP
Japan
Prior art keywords
substrate
planes
triangular prisms
incidence
light source
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
JP3357181A
Other languages
English (en)
Inventor
Mutsumi Oshima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP3357181A priority Critical patent/JPS57147613A/ja
Publication of JPS57147613A publication Critical patent/JPS57147613A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
JP3357181A 1981-03-09 1981-03-09 Luminous picture Pending JPS57147613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3357181A JPS57147613A (en) 1981-03-09 1981-03-09 Luminous picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3357181A JPS57147613A (en) 1981-03-09 1981-03-09 Luminous picture

Publications (1)

Publication Number Publication Date
JPS57147613A true JPS57147613A (en) 1982-09-11

Family

ID=12390224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3357181A Pending JPS57147613A (en) 1981-03-09 1981-03-09 Luminous picture

Country Status (1)

Country Link
JP (1) JPS57147613A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0623064A (ja) * 1992-07-07 1994-02-01 Sankoo Kizai Kk スプリンクラーの取り付け装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0623064A (ja) * 1992-07-07 1994-02-01 Sankoo Kizai Kk スプリンクラーの取り付け装置

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