JPS572015A - Lighting equipment - Google Patents

Lighting equipment

Info

Publication number
JPS572015A
JPS572015A JP7554080A JP7554080A JPS572015A JP S572015 A JPS572015 A JP S572015A JP 7554080 A JP7554080 A JP 7554080A JP 7554080 A JP7554080 A JP 7554080A JP S572015 A JPS572015 A JP S572015A
Authority
JP
Japan
Prior art keywords
reflection
band area
pipelike
reflectors
illuminated
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.)
Granted
Application number
JP7554080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6213652B2 (enrdf_load_stackoverflow
Inventor
Kunihiro Okada
Hirohide Endo
Yoshihito Ohara
Toshihiro Hananoi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7554080A priority Critical patent/JPS572015A/ja
Publication of JPS572015A publication Critical patent/JPS572015A/ja
Publication of JPS6213652B2 publication Critical patent/JPS6213652B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP7554080A 1980-06-06 1980-06-06 Lighting equipment Granted JPS572015A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7554080A JPS572015A (en) 1980-06-06 1980-06-06 Lighting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7554080A JPS572015A (en) 1980-06-06 1980-06-06 Lighting equipment

Publications (2)

Publication Number Publication Date
JPS572015A true JPS572015A (en) 1982-01-07
JPS6213652B2 JPS6213652B2 (enrdf_load_stackoverflow) 1987-03-27

Family

ID=13579131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7554080A Granted JPS572015A (en) 1980-06-06 1980-06-06 Lighting equipment

Country Status (1)

Country Link
JP (1) JPS572015A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58188652U (ja) * 1982-06-08 1983-12-15 日本電気株式会社 原稿照明装置
JPS5927671A (ja) * 1982-07-12 1984-02-14 エヌ・シー・アール・カナダ・リミテッド―エヌ・シー・アール・カナダ・エル・ティー・イー・イー 照明システム
JPH0497314A (ja) * 1990-08-14 1992-03-30 Matsushita Electric Works Ltd レーザ光学系装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50107790A (enrdf_load_stackoverflow) * 1974-02-05 1975-08-25
JPS50107787A (enrdf_load_stackoverflow) * 1974-02-01 1975-08-25

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50107787A (enrdf_load_stackoverflow) * 1974-02-01 1975-08-25
JPS50107790A (enrdf_load_stackoverflow) * 1974-02-05 1975-08-25

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58188652U (ja) * 1982-06-08 1983-12-15 日本電気株式会社 原稿照明装置
JPS5927671A (ja) * 1982-07-12 1984-02-14 エヌ・シー・アール・カナダ・リミテッド―エヌ・シー・アール・カナダ・エル・ティー・イー・イー 照明システム
JPH0497314A (ja) * 1990-08-14 1992-03-30 Matsushita Electric Works Ltd レーザ光学系装置

Also Published As

Publication number Publication date
JPS6213652B2 (enrdf_load_stackoverflow) 1987-03-27

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