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

  • Overhead Projectors And Projection Screens (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (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

Similar Documents

Publication Publication Date Title
JPH02503131A (ja) 一体成型形コリメータ
JP3685516B2 (ja) 照明装置
JPH02148602A (ja) 自動車用前照灯
JPH0469881B2 (enrdf_load_stackoverflow)
JPS6052409B2 (ja) 光ビ−ム走査装置
JPH0638128B2 (ja) 光結合用レンズ
JPS5946616A (ja) 光フアイバ端末加工法
JPS58154484A (ja) レ−ザビ−ムの変換方法
JPS5857385U (ja) レ−ザ照射装置
JPS59102202A (ja) レンズ系の光路分岐プリズム
JPH0669913U (ja) レーザ用光ファイバ
JPH01220301A (ja) 車輌用前照灯
JPH03199929A (ja) 光学センサ
JPS6281614A (ja) 光結合器
JPS61113012A (ja) 光フアイバ−用照明光学装置
SE8203738L (sv) Halvjusstralkastare med asymmetrisk reflektor
JPH03186802A (ja) 赤外線式検知装置用集光レンズ
JPH046081Y2 (enrdf_load_stackoverflow)
JPS61245102A (ja) 集光装置
JP2612436B2 (ja) 自動焦点調節装置
JPH058804B2 (enrdf_load_stackoverflow)
JPS5622934A (en) Light scattering system smoke detector
JP2531890Y2 (ja) 光学センサ
JPH01267601A (ja) 集光レンズ
JP2001350062A (ja) レーザー光束合成光学系

Legal Events

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