JPH0320844B2 - - Google Patents

Info

Publication number
JPH0320844B2
JPH0320844B2 JP58053062A JP5306283A JPH0320844B2 JP H0320844 B2 JPH0320844 B2 JP H0320844B2 JP 58053062 A JP58053062 A JP 58053062A JP 5306283 A JP5306283 A JP 5306283A JP H0320844 B2 JPH0320844 B2 JP H0320844B2
Authority
JP
Japan
Prior art keywords
prism
light
main body
prism surface
lower opening
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
JP58053062A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59177801A (ja
Inventor
Bunji Iwasaki
Shuichi Nishimura
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 Lighting and Technology Corp
Original Assignee
Toshiba Lighting and Technology 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 Lighting and Technology Corp filed Critical Toshiba Lighting and Technology Corp
Priority to JP5306283A priority Critical patent/JPS59177801A/ja
Publication of JPS59177801A publication Critical patent/JPS59177801A/ja
Publication of JPH0320844B2 publication Critical patent/JPH0320844B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
JP5306283A 1983-03-29 1983-03-29 照明器具 Granted JPS59177801A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5306283A JPS59177801A (ja) 1983-03-29 1983-03-29 照明器具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5306283A JPS59177801A (ja) 1983-03-29 1983-03-29 照明器具

Publications (2)

Publication Number Publication Date
JPS59177801A JPS59177801A (ja) 1984-10-08
JPH0320844B2 true JPH0320844B2 (en]) 1991-03-20

Family

ID=12932351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5306283A Granted JPS59177801A (ja) 1983-03-29 1983-03-29 照明器具

Country Status (1)

Country Link
JP (1) JPS59177801A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051985A (ja) * 1983-08-31 1985-03-23 Pentel Kk タブレツト入力装置
JPS60143503A (ja) * 1983-12-28 1985-07-29 東芝ライテック株式会社 照明器具

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956301A (ja) * 1982-09-24 1984-03-31 東芝ライテック株式会社 照明器具
JPS6413163A (en) * 1987-07-06 1989-01-18 Minolta Camera Kk Control method for electrophotographic copying machine

Also Published As

Publication number Publication date
JPS59177801A (ja) 1984-10-08

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