NL6607787A - - Google Patents
Info
- Publication number
- NL6607787A NL6607787A NL6607787A NL6607787A NL6607787A NL 6607787 A NL6607787 A NL 6607787A NL 6607787 A NL6607787 A NL 6607787A NL 6607787 A NL6607787 A NL 6607787A NL 6607787 A NL6607787 A NL 6607787A
- Authority
- NL
- Netherlands
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
- G03B21/20—Lamp housings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US514439A US3308715A (en) | 1965-11-01 | 1965-11-01 | Projection system and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6607787A true NL6607787A (xx) | 1967-05-02 |
Family
ID=24047136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6607787A NL6607787A (xx) | 1965-11-01 | 1966-06-03 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3308715A (xx) |
| CH (1) | CH462497A (xx) |
| DE (1) | DE1547114A1 (xx) |
| NL (1) | NL6607787A (xx) |
| SE (1) | SE306433B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3381575A (en) * | 1965-12-03 | 1968-05-07 | Sylvania Electric Prod | Electric projection lamp |
| GB1290438A (xx) * | 1970-04-10 | 1972-09-27 | ||
| US3806236A (en) * | 1972-02-28 | 1974-04-23 | Gen Electric | High intensity projection lamp assembly with heat shield |
| US3979160A (en) * | 1975-03-03 | 1976-09-07 | Minnesota Mining And Manufacturing Company | Compact overhead projector |
| US4596451A (en) * | 1983-06-23 | 1986-06-24 | Marks Alvin M | Crystal pre-polarizer for 3D projection system |
| US7036941B2 (en) * | 2003-01-14 | 2006-05-02 | Seiko Epson Corporation | Illumination optical device and projector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1275120A (en) * | 1914-08-06 | 1918-08-06 | Edwin C Ballman | Projecting apparatus. |
| US1282224A (en) * | 1918-07-26 | 1918-10-22 | Robert M H Heiderich | Adjustable light for projection-lanterns. |
| US1698096A (en) * | 1923-07-11 | 1929-01-08 | Robert L Hosmer | Projecting apparatus |
| US1750910A (en) * | 1925-03-14 | 1930-03-18 | Bausch & Lomb | Projecting apparatus |
| US1774964A (en) * | 1925-07-06 | 1930-09-02 | Gen Electric | Electrode for the electric arc |
| US1763630A (en) * | 1928-04-03 | 1930-06-10 | Eastman Kodak Co | Photographic printer |
| US2225035A (en) * | 1938-12-31 | 1940-12-17 | Bausch & Lomb | Projection apparatus |
| US2819649A (en) * | 1956-02-01 | 1958-01-14 | Eastman Kodak Co | Reflecting condenser system for projectors |
-
1965
- 1965-11-01 US US514439A patent/US3308715A/en not_active Expired - Lifetime
-
1966
- 1966-05-23 DE DE19661547114 patent/DE1547114A1/de active Pending
- 1966-05-27 CH CH772566A patent/CH462497A/de unknown
- 1966-06-03 NL NL6607787A patent/NL6607787A/xx unknown
- 1966-08-16 SE SE11070/66A patent/SE306433B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3308715A (en) | 1967-03-14 |
| DE1547114A1 (de) | 1970-01-08 |
| SE306433B (xx) | 1968-11-25 |
| CH462497A (de) | 1968-09-15 |