JPS5083024A - - Google Patents
Info
- Publication number
- JPS5083024A JPS5083024A JP49094089A JP9408974A JPS5083024A JP S5083024 A JPS5083024 A JP S5083024A JP 49094089 A JP49094089 A JP 49094089A JP 9408974 A JP9408974 A JP 9408974A JP S5083024 A JPS5083024 A JP S5083024A
- Authority
- JP
- Japan
- 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.)
- Pending
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)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US389049A US3858971A (en) | 1973-08-16 | 1973-08-16 | Heat convection cooling system for optical readout and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5083024A true JPS5083024A (OSRAM) | 1975-07-04 |
Family
ID=23536611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49094089A Pending JPS5083024A (OSRAM) | 1973-08-16 | 1974-08-16 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3858971A (OSRAM) |
| JP (1) | JPS5083024A (OSRAM) |
| BE (1) | BE825640Q (OSRAM) |
| CA (1) | CA1021305A (OSRAM) |
| DE (1) | DE2439168C2 (OSRAM) |
| FR (1) | FR2241090B1 (OSRAM) |
| GB (1) | GB1484475A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4682868A (en) * | 1985-05-31 | 1987-07-28 | Constantin Systems, Inc. | Thermal management system for an episcopic image projector |
| US4805420A (en) * | 1987-06-22 | 1989-02-21 | Ncr Corporation | Cryogenic vessel for cooling electronic components |
| US6561655B2 (en) * | 2000-07-12 | 2003-05-13 | Minolta Co., Ltd. | Projector |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2277147A (en) * | 1939-10-09 | 1942-03-24 | Elwood C Rogers | Enlarger |
| DE893125C (de) * | 1941-12-30 | 1953-10-12 | Thomson Houston Comp Francaise | Projektions- und Ablesevorrichtung fuer Filme oder Filmbaender mit in sehr kleinem Massstab aufgenommenen und mit blossem Auge nicht erkennbaren Photographien von Dokumenten |
| US2582876A (en) * | 1949-08-18 | 1952-01-15 | Meinig Friedrich | Optical projecting precision balance |
| US2701979A (en) * | 1951-07-13 | 1955-02-15 | Verneur E Pratt | Unit system reader for cumulative microfilm and the like |
| DE1180162B (de) * | 1961-04-01 | 1964-10-22 | Kindermann & Co Photo Ges M B | Lampengehaeuse fuer Bildwerfer mit einer die Waermestrahlen der Lampe abschirmenden Schutzvorrichtung |
| US3751160A (en) * | 1968-03-25 | 1973-08-07 | Reibel R | General arrangement for projector |
| US3593019A (en) * | 1970-02-11 | 1971-07-13 | Robert H Reibel | Ventilating means for light source for projector |
-
1973
- 1973-08-16 US US389049A patent/US3858971A/en not_active Expired - Lifetime
-
1974
- 1974-08-14 DE DE2439168A patent/DE2439168C2/de not_active Expired
- 1974-08-15 CA CA207,096A patent/CA1021305A/en not_active Expired
- 1974-08-16 JP JP49094089A patent/JPS5083024A/ja active Pending
- 1974-08-16 GB GB36264/74A patent/GB1484475A/en not_active Expired
- 1974-08-19 FR FR7428480A patent/FR2241090B1/fr not_active Expired
-
1975
- 1975-02-17 BE BE153445A patent/BE825640Q/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2439168C2 (de) | 1985-01-31 |
| CA1021305A (en) | 1977-11-22 |
| FR2241090A1 (OSRAM) | 1975-03-14 |
| AU7239874A (en) | 1976-02-19 |
| US3858971A (en) | 1975-01-07 |
| BE825640Q (fr) | 1975-06-16 |
| FR2241090B1 (OSRAM) | 1981-05-22 |
| DE2439168A1 (de) | 1975-02-27 |
| GB1484475A (en) | 1977-09-01 |