JPS5515694B2 - - Google Patents
Info
- Publication number
- JPS5515694B2 JPS5515694B2 JP9655672A JP9655672A JPS5515694B2 JP S5515694 B2 JPS5515694 B2 JP S5515694B2 JP 9655672 A JP9655672 A JP 9655672A JP 9655672 A JP9655672 A JP 9655672A JP S5515694 B2 JPS5515694 B2 JP S5515694B2
- 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.)
- Expired
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
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/42—Preventing damage to film due to abnormal operation of projector
-
- 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
- G03B19/00—Cameras
- G03B19/18—Motion-picture cameras
-
- 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
- G03B21/2053—Intensity control of illuminating light
-
- 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
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/50—Control devices operated by the film strip during the run
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
- Protection Of Plants (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1414771 | 1971-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4843332A JPS4843332A (enExample) | 1973-06-22 |
| JPS5515694B2 true JPS5515694B2 (enExample) | 1980-04-25 |
Family
ID=4398375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9655672A Expired JPS5515694B2 (enExample) | 1971-09-27 | 1972-09-26 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3841743A (enExample) |
| JP (1) | JPS5515694B2 (enExample) |
| AT (1) | AT307879B (enExample) |
| CH (1) | CH534894A (enExample) |
| DE (1) | DE2247039C2 (enExample) |
| GB (1) | GB1344400A (enExample) |
| IT (1) | IT988400B (enExample) |
| NL (1) | NL7212284A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2230619B2 (enExample) * | 1972-07-07 | 1978-05-12 | Basf Ag | |
| SE7212663L (enExample) * | 1972-09-29 | 1974-04-01 | Octagon Med Prod | |
| US4150886A (en) * | 1976-08-26 | 1979-04-24 | Airborne Mfg. Co. | Motion picture projector system |
| DE102011080641A1 (de) * | 2011-08-09 | 2013-02-14 | Osram Ag | Projektionseinheit und Verfahren zum Steuern der Projektionseinheit |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1011593A (en) * | 1911-02-23 | 1911-12-12 | William H C Dudley Jr | Kinetoscope-shutter. |
| US1812212A (en) * | 1925-08-01 | 1931-06-30 | William H Meyer | Motion picture projector |
| US1900966A (en) * | 1927-12-27 | 1933-03-14 | Wilmot R Evans | Projection apparatus |
| US1917408A (en) * | 1930-10-01 | 1933-07-11 | Eastman Kodak Co | Film gate for motion picture apparatus |
| GB480267A (en) * | 1935-10-03 | 1938-02-21 | Kodak Ltd | Improvements in or relating to motion picture or other projection apparatus |
| DE1120271B (de) * | 1956-06-15 | 1961-12-21 | Frieseke & Hoepfner Gmbh | Anordnung zur Verminderung der Strahlungswaerme, insbesondere an Kinoprojektoren |
| US3532424A (en) * | 1967-11-16 | 1970-10-06 | Addressograph Multigraph | Elliptical reflector for photocopying machine |
| US3428397A (en) * | 1967-12-28 | 1969-02-18 | Dennison Mfg Co | Illumination in optical imaging apparatus |
-
1971
- 1971-10-06 CH CH1414771D patent/CH534894A/fr not_active IP Right Cessation
- 1971-10-15 AT AT894471A patent/AT307879B/de active
-
1972
- 1972-09-08 NL NL7212284A patent/NL7212284A/xx not_active Application Discontinuation
- 1972-09-22 IT IT729689A patent/IT988400B/it active
- 1972-09-26 JP JP9655672A patent/JPS5515694B2/ja not_active Expired
- 1972-09-26 DE DE2247039A patent/DE2247039C2/de not_active Expired
- 1972-09-27 GB GB4468772A patent/GB1344400A/en not_active Expired
- 1972-09-28 US US00293150A patent/US3841743A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2247039A1 (de) | 1973-04-05 |
| AT307879B (de) | 1973-06-12 |
| GB1344400A (en) | 1974-01-23 |
| JPS4843332A (enExample) | 1973-06-22 |
| CH534894A (fr) | 1973-03-15 |
| US3841743A (en) | 1974-10-15 |
| IT988400B (it) | 1975-04-10 |
| NL7212284A (enExample) | 1973-03-29 |
| DE2247039C2 (de) | 1981-11-26 |