CH403335A - Projektionseinrichtung mit Hohlspiegel-Reflektor - Google Patents
Projektionseinrichtung mit Hohlspiegel-ReflektorInfo
- Publication number
- CH403335A CH403335A CH669163A CH669163A CH403335A CH 403335 A CH403335 A CH 403335A CH 669163 A CH669163 A CH 669163A CH 669163 A CH669163 A CH 669163A CH 403335 A CH403335 A CH 403335A
- Authority
- CH
- Switzerland
- Prior art keywords
- projection device
- concave mirror
- mirror reflector
- reflector
- concave
- Prior art date
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
-
- 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
- G03B21/2066—Reflectors in illumination beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Optical Elements Other Than Lenses (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH669163A CH403335A (de) | 1963-05-28 | 1963-05-28 | Projektionseinrichtung mit Hohlspiegel-Reflektor |
US367771A US3302515A (en) | 1963-05-28 | 1964-05-15 | Projection apparatus or system provided with concave reflector |
GB20498/64A GB1067731A (en) | 1963-05-28 | 1964-05-19 | Improvements in or relating to projection systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH669163A CH403335A (de) | 1963-05-28 | 1963-05-28 | Projektionseinrichtung mit Hohlspiegel-Reflektor |
Publications (1)
Publication Number | Publication Date |
---|---|
CH403335A true CH403335A (de) | 1965-11-30 |
Family
ID=4313515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH669163A CH403335A (de) | 1963-05-28 | 1963-05-28 | Projektionseinrichtung mit Hohlspiegel-Reflektor |
Country Status (3)
Country | Link |
---|---|
US (1) | US3302515A (de) |
CH (1) | CH403335A (de) |
GB (1) | GB1067731A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046522A (ja) * | 1983-08-25 | 1985-03-13 | Masayasu Negishi | 光制御装置 |
JPH03103822U (de) * | 1990-02-13 | 1991-10-29 | ||
JP2922604B2 (ja) * | 1990-08-24 | 1999-07-26 | 矢崎総業株式会社 | 車両用表示装置 |
IL99420A (en) * | 1991-09-05 | 2000-12-06 | Elbit Systems Ltd | Helmet mounted display |
US20070152139A1 (en) * | 2005-12-30 | 2007-07-05 | Moores Mark D | Techniques to control illumination for image sensors |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1665660A (en) * | 1928-04-10 | Projection- apparatus | ||
US2356694A (en) * | 1944-08-22 | Optical filter and method of | ||
US2117737A (en) * | 1935-07-15 | 1938-05-17 | Leitz Ernst Gmbh | Illuminating means for projection apparatus |
US2308009A (en) * | 1940-08-06 | 1943-01-12 | Eastman Kodak Co | Reflector unit |
US2309788A (en) * | 1940-11-29 | 1943-02-02 | Rca Corp | Reflective projection system |
US2384578A (en) * | 1943-03-10 | 1945-09-11 | Bausch & Lomb | Optical element |
US2415635A (en) * | 1944-05-26 | 1947-02-11 | Eastman Kodak Co | Illumination arrangement for photographic enlargers |
US2751816A (en) * | 1951-09-12 | 1956-06-26 | John D Strong | Paraboloidal reflector |
US3184585A (en) * | 1962-05-07 | 1965-05-18 | Ednalite Corp | Illuminating device |
-
1963
- 1963-05-28 CH CH669163A patent/CH403335A/de unknown
-
1964
- 1964-05-15 US US367771A patent/US3302515A/en not_active Expired - Lifetime
- 1964-05-19 GB GB20498/64A patent/GB1067731A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1067731A (en) | 1967-05-03 |
US3302515A (en) | 1967-02-07 |
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