JPS61129602A - フルネルレンズの構造 - Google Patents

フルネルレンズの構造

Info

Publication number
JPS61129602A
JPS61129602A JP25053684A JP25053684A JPS61129602A JP S61129602 A JPS61129602 A JP S61129602A JP 25053684 A JP25053684 A JP 25053684A JP 25053684 A JP25053684 A JP 25053684A JP S61129602 A JPS61129602 A JP S61129602A
Authority
JP
Japan
Prior art keywords
lens
discontinuous
optical axis
light
parts
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
JP25053684A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0469881B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Kawada
川田　博
Iesato Sato
佐藤　家郷
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.)
Meisei Electric Co Ltd
Nissan Motor Co Ltd
Original Assignee
Meisei Electric Co Ltd
Nissan Motor Co 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 Meisei Electric Co Ltd, Nissan Motor Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP25053684A priority Critical patent/JPS61129602A/ja
Publication of JPS61129602A publication Critical patent/JPS61129602A/ja
Publication of JPH0469881B2 publication Critical patent/JPH0469881B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Overhead Projectors And Projection Screens (AREA)
JP25053684A 1984-11-29 1984-11-29 フルネルレンズの構造 Granted JPS61129602A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25053684A JPS61129602A (ja) 1984-11-29 1984-11-29 フルネルレンズの構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25053684A JPS61129602A (ja) 1984-11-29 1984-11-29 フルネルレンズの構造

Publications (2)

Publication Number Publication Date
JPS61129602A true JPS61129602A (ja) 1986-06-17
JPH0469881B2 JPH0469881B2 (enrdf_load_stackoverflow) 1992-11-09

Family

ID=17209357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25053684A Granted JPS61129602A (ja) 1984-11-29 1984-11-29 フルネルレンズの構造

Country Status (1)

Country Link
JP (1) JPS61129602A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS628101A (ja) * 1985-07-05 1987-01-16 Pioneer Electronic Corp フレネルレンズ
JPS6426703U (enrdf_load_stackoverflow) * 1987-08-07 1989-02-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS628101A (ja) * 1985-07-05 1987-01-16 Pioneer Electronic Corp フレネルレンズ
JPS6426703U (enrdf_load_stackoverflow) * 1987-08-07 1989-02-15

Also Published As

Publication number Publication date
JPH0469881B2 (enrdf_load_stackoverflow) 1992-11-09

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees