JPS5831571B2 - 光学装置 - Google Patents

光学装置

Info

Publication number
JPS5831571B2
JPS5831571B2 JP55040108A JP4010880A JPS5831571B2 JP S5831571 B2 JPS5831571 B2 JP S5831571B2 JP 55040108 A JP55040108 A JP 55040108A JP 4010880 A JP4010880 A JP 4010880A JP S5831571 B2 JPS5831571 B2 JP S5831571B2
Authority
JP
Japan
Prior art keywords
optical device
centrifugal impeller
wall
housing
air
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
JP55040108A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55133026A (en
Inventor
ラインホルト・ホフエンスペルゲル
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of JPS55133026A publication Critical patent/JPS55133026A/ja
Publication of JPS5831571B2 publication Critical patent/JPS5831571B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
JP55040108A 1979-03-29 1980-03-28 光学装置 Expired JPS5831571B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29123602 1979-03-29
DE19792912360 DE2912360A1 (de) 1979-03-29 1979-03-29 Gekuehltes optisches geraet

Publications (2)

Publication Number Publication Date
JPS55133026A JPS55133026A (en) 1980-10-16
JPS5831571B2 true JPS5831571B2 (ja) 1983-07-07

Family

ID=6066732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55040108A Expired JPS5831571B2 (ja) 1979-03-29 1980-03-28 光学装置

Country Status (5)

Country Link
JP (1) JPS5831571B2 (da)
DE (1) DE2912360A1 (da)
DK (1) DK133880A (da)
FR (1) FR2452728A1 (da)
IT (1) IT1130324B (da)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3408138A (en) * 1966-08-04 1968-10-29 Inflight Motion Pictures Inc Cooling apparatus for motion picture projector

Also Published As

Publication number Publication date
DK133880A (da) 1980-09-30
FR2452728A1 (fr) 1980-10-24
DE2912360A1 (de) 1980-10-16
IT1130324B (it) 1986-06-11
JPS55133026A (en) 1980-10-16
IT8020908A0 (it) 1980-03-26

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