JPH0469881B2 - - Google Patents

Info

Publication number
JPH0469881B2
JPH0469881B2 JP25053684A JP25053684A JPH0469881B2 JP H0469881 B2 JPH0469881 B2 JP H0469881B2 JP 25053684 A JP25053684 A JP 25053684A JP 25053684 A JP25053684 A JP 25053684A JP H0469881 B2 JPH0469881 B2 JP H0469881B2
Authority
JP
Japan
Prior art keywords
lens
discontinuous
light
optical axis
back surface
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.)
Expired
Application number
JP25053684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61129602A (ja
Inventor
Hiroshi Kawada
Iesato Sato
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.)
Nissan Motor Co Ltd
Original Assignee
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 Nissan Motor Co Ltd filed Critical Nissan Motor 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 JPS61129602A (ja) 1986-06-17
JPH0469881B2 true 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)

Families Citing this family (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
JPS61129602A (ja) 1986-06-17

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Legal Events

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