JPH0317321B2 - - Google Patents

Info

Publication number
JPH0317321B2
JPH0317321B2 JP61299171A JP29917186A JPH0317321B2 JP H0317321 B2 JPH0317321 B2 JP H0317321B2 JP 61299171 A JP61299171 A JP 61299171A JP 29917186 A JP29917186 A JP 29917186A JP H0317321 B2 JPH0317321 B2 JP H0317321B2
Authority
JP
Japan
Prior art keywords
lens
circular
diffuser lens
lens elements
annular regions
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 - Lifetime
Application number
JP61299171A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63150803A (ja
Inventor
Masaji Kobayashi
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing 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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP61299171A priority Critical patent/JPS63150803A/ja
Publication of JPS63150803A publication Critical patent/JPS63150803A/ja
Publication of JPH0317321B2 publication Critical patent/JPH0317321B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP61299171A 1986-12-16 1986-12-16 円形拡散レンズ Granted JPS63150803A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61299171A JPS63150803A (ja) 1986-12-16 1986-12-16 円形拡散レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61299171A JPS63150803A (ja) 1986-12-16 1986-12-16 円形拡散レンズ

Publications (2)

Publication Number Publication Date
JPS63150803A JPS63150803A (ja) 1988-06-23
JPH0317321B2 true JPH0317321B2 (uk) 1991-03-07

Family

ID=17869047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61299171A Granted JPS63150803A (ja) 1986-12-16 1986-12-16 円形拡散レンズ

Country Status (1)

Country Link
JP (1) JPS63150803A (uk)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH071687Y2 (ja) * 1988-08-22 1995-01-18 株式会社小糸製作所 車両灯具用レンズ
JP5298389B2 (ja) * 2009-07-06 2013-09-25 株式会社エルム Ｌｅｄ電球
CN107209392B (zh) * 2015-01-19 2020-05-29 飞利浦照明控股有限公司 具有准直器和微透镜阵列的光学设备

Also Published As

Publication number Publication date
JPS63150803A (ja) 1988-06-23

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