JPS58165204A - 照明器具 - Google Patents

照明器具

Info

Publication number
JPS58165204A
JPS58165204A JP4928182A JP4928182A JPS58165204A JP S58165204 A JPS58165204 A JP S58165204A JP 4928182 A JP4928182 A JP 4928182A JP 4928182 A JP4928182 A JP 4928182A JP S58165204 A JPS58165204 A JP S58165204A
Authority
JP
Japan
Prior art keywords
prism
light control
control cover
prism surface
pattern
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
JP4928182A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0119601B2 (enrdf_load_stackoverflow
Inventor
光治 佐藤
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.)
Toshiba Electric Equipment Corp
Toshiba Denzai KK
Original Assignee
Toshiba Electric Equipment Corp
Toshiba Denzai KK
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 Toshiba Electric Equipment Corp, Toshiba Denzai KK filed Critical Toshiba Electric Equipment Corp
Priority to JP4928182A priority Critical patent/JPS58165204A/ja
Publication of JPS58165204A publication Critical patent/JPS58165204A/ja
Publication of JPH0119601B2 publication Critical patent/JPH0119601B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
JP4928182A 1982-03-26 1982-03-26 照明器具 Granted JPS58165204A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4928182A JPS58165204A (ja) 1982-03-26 1982-03-26 照明器具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4928182A JPS58165204A (ja) 1982-03-26 1982-03-26 照明器具

Publications (2)

Publication Number Publication Date
JPS58165204A true JPS58165204A (ja) 1983-09-30
JPH0119601B2 JPH0119601B2 (enrdf_load_stackoverflow) 1989-04-12

Family

ID=12826481

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4928182A Granted JPS58165204A (ja) 1982-03-26 1982-03-26 照明器具

Country Status (1)

Country Link
JP (1) JPS58165204A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS644013U (enrdf_load_stackoverflow) * 1987-06-26 1989-01-11
CN107110472A (zh) * 2014-10-23 2017-08-29 克里奥托有限公司 照明装置及其透射元件

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013168346A (ja) * 2012-01-18 2013-08-29 Konica Minolta Inc 補助光源ユニット及び光学素子

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS644013U (enrdf_load_stackoverflow) * 1987-06-26 1989-01-11
CN107110472A (zh) * 2014-10-23 2017-08-29 克里奥托有限公司 照明装置及其透射元件
EP3210056A4 (en) * 2014-10-23 2018-04-25 CreaOpto OÜ Lighting apparatus and transmissive element for the same
US10801694B2 (en) 2014-10-23 2020-10-13 Oy Mtg-Meltron Ltd Lens having mutually different optical segments

Also Published As

Publication number Publication date
JPH0119601B2 (enrdf_load_stackoverflow) 1989-04-12

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