JPH0119601B2 - - Google Patents

Info

Publication number
JPH0119601B2
JPH0119601B2 JP4928182A JP4928182A JPH0119601B2 JP H0119601 B2 JPH0119601 B2 JP H0119601B2 JP 4928182 A JP4928182 A JP 4928182A JP 4928182 A JP4928182 A JP 4928182A JP H0119601 B2 JPH0119601 B2 JP H0119601B2
Authority
JP
Japan
Prior art keywords
prism
light control
control cover
area
beam angle
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
JP4928182A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58165204A (ja
Inventor
Mitsuharu 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.)
Toshiba Electric Equipment Corp
Original Assignee
Toshiba Electric Equipment Corp
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 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 JPS58165204A (ja) 1983-09-30
JPH0119601B2 true JPH0119601B2 (enEXAMPLES) 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 (enEXAMPLES)

Cited By (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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS644013U (enEXAMPLES) * 1987-06-26 1989-01-11
ES2855273T3 (es) 2014-10-23 2021-09-23 Oy Mtg Meltron Ltd Aparato de iluminación y elemento transmisor para este aparato

Cited By (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

Also Published As

Publication number Publication date
JPS58165204A (ja) 1983-09-30

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