IT1130324B - COOLING OPTICAL APPARATUS - Google Patents

COOLING OPTICAL APPARATUS

Info

Publication number
IT1130324B
IT1130324B IT20908/80A IT2090880A IT1130324B IT 1130324 B IT1130324 B IT 1130324B IT 20908/80 A IT20908/80 A IT 20908/80A IT 2090880 A IT2090880 A IT 2090880A IT 1130324 B IT1130324 B IT 1130324B
Authority
IT
Italy
Prior art keywords
optical apparatus
cooling optical
cooling
optical
Prior art date
Application number
IT20908/80A
Other languages
Italian (it)
Other versions
IT8020908A0 (en
Inventor
Reinhold Hopfensperger
Original Assignee
Int 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of IT8020908A0 publication Critical patent/IT8020908A0/en
Application granted granted Critical
Publication of IT1130324B publication Critical patent/IT1130324B/en

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
IT20908/80A 1979-03-29 1980-03-26 COOLING OPTICAL APPARATUS IT1130324B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792912360 DE2912360A1 (en) 1979-03-29 1979-03-29 COOLED OPTICAL DEVICE

Publications (2)

Publication Number Publication Date
IT8020908A0 IT8020908A0 (en) 1980-03-26
IT1130324B true IT1130324B (en) 1986-06-11

Family

ID=6066732

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20908/80A IT1130324B (en) 1979-03-29 1980-03-26 COOLING OPTICAL APPARATUS

Country Status (5)

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

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 (en) 1980-09-30
FR2452728A1 (en) 1980-10-24
JPS5831571B2 (en) 1983-07-07
JPS55133026A (en) 1980-10-16
DE2912360A1 (en) 1980-10-16
IT8020908A0 (en) 1980-03-26

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