DK133880A - OPTICAL DEVICE ISAER PROJECTOR - Google Patents
OPTICAL DEVICE ISAER PROJECTORInfo
- Publication number
- DK133880A DK133880A DK133880A DK133880A DK133880A DK 133880 A DK133880 A DK 133880A DK 133880 A DK133880 A DK 133880A DK 133880 A DK133880 A DK 133880A DK 133880 A DK133880 A DK 133880A
- Authority
- DK
- Denmark
- Prior art keywords
- isaer
- projector
- optical device
- optical
- isaer projector
- Prior art date
Links
- 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 (en) | 1979-03-29 | 1979-03-29 | COOLED OPTICAL DEVICE |
Publications (1)
Publication Number | Publication Date |
---|---|
DK133880A true DK133880A (en) | 1980-09-30 |
Family
ID=6066732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK133880A DK133880A (en) | 1979-03-29 | 1980-03-28 | OPTICAL DEVICE ISAER PROJECTOR |
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)
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/en not_active Ceased
-
1980
- 1980-03-26 IT IT20908/80A patent/IT1130324B/en active
- 1980-03-26 FR FR8006677A patent/FR2452728A1/en active Pending
- 1980-03-28 JP JP55040108A patent/JPS5831571B2/en not_active Expired
- 1980-03-28 DK DK133880A patent/DK133880A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2912360A1 (en) | 1980-10-16 |
IT1130324B (en) | 1986-06-11 |
JPS55133026A (en) | 1980-10-16 |
FR2452728A1 (en) | 1980-10-24 |
IT8020908A0 (en) | 1980-03-26 |
JPS5831571B2 (en) | 1983-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |