IT8020908A0 - Apparecchio ottico a raffreddamento. - Google Patents
Apparecchio ottico a raffreddamento.Info
- Publication number
- IT8020908A0 IT8020908A0 IT8020908A IT2090880A IT8020908A0 IT 8020908 A0 IT8020908 A0 IT 8020908A0 IT 8020908 A IT8020908 A IT 8020908A IT 2090880 A IT2090880 A IT 2090880A IT 8020908 A0 IT8020908 A0 IT 8020908A0
- Authority
- IT
- Italy
- Prior art keywords
- optical apparatus
- cooling optical
- cooling
- optical
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792912360 DE2912360A1 (de) | 1979-03-29 | 1979-03-29 | Gekuehltes optisches geraet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8020908A0 true IT8020908A0 (it) | 1980-03-26 |
| IT1130324B IT1130324B (it) | 1986-06-11 |
Family
ID=6066732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20908/80A IT1130324B (it) | 1979-03-29 | 1980-03-26 | Apparecchio ottico a raffreddamento |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5831571B2 (it) |
| DE (1) | DE2912360A1 (it) |
| DK (1) | DK133880A (it) |
| FR (1) | FR2452728A1 (it) |
| IT (1) | IT1130324B (it) |
Family Cites Families (1)
| 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 |
-
1979
- 1979-03-29 DE DE19792912360 patent/DE2912360A1/de not_active Ceased
-
1980
- 1980-03-26 IT IT20908/80A patent/IT1130324B/it active
- 1980-03-26 FR FR8006677A patent/FR2452728A1/fr active Pending
- 1980-03-28 JP JP55040108A patent/JPS5831571B2/ja not_active Expired
- 1980-03-28 DK DK133880A patent/DK133880A/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK133880A (da) | 1980-09-30 |
| JPS5831571B2 (ja) | 1983-07-07 |
| FR2452728A1 (fr) | 1980-10-24 |
| DE2912360A1 (de) | 1980-10-16 |
| IT1130324B (it) | 1986-06-11 |
| JPS55133026A (en) | 1980-10-16 |
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