AT349312B - Schalteinrichtung fuer projektionsleuchten - Google Patents
Schalteinrichtung fuer projektionsleuchtenInfo
- Publication number
- AT349312B AT349312B AT887076A AT887076A AT349312B AT 349312 B AT349312 B AT 349312B AT 887076 A AT887076 A AT 887076A AT 887076 A AT887076 A AT 887076A AT 349312 B AT349312 B AT 349312B
- Authority
- AT
- Austria
- Prior art keywords
- switching device
- projection lights
- lights
- projection
- switching
- 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
-
- 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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/202—Incandescent light sources
-
- 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
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2026—Gas discharge type light sources, e.g. arcs
-
- 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
- G03B21/2086—Security or safety means in lamp houses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Projection Apparatus (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT887076A AT349312B (de) | 1976-11-30 | 1976-11-30 | Schalteinrichtung fuer projektionsleuchten |
US05/851,496 US4150887A (en) | 1976-11-30 | 1977-11-14 | Switching device for projection lamp |
JP14256677A JPS5391732A (en) | 1976-11-30 | 1977-11-28 | Switching device for incident light |
IT09638/77A IT1089500B (it) | 1976-11-30 | 1977-11-29 | Dispositivo di comando per lampa de da proiezione in speci per proiettori cinematogrfici |
DE19772753068 DE2753068A1 (de) | 1976-11-30 | 1977-11-29 | Schalteinrichtung fuer projektionsleuchten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT887076A AT349312B (de) | 1976-11-30 | 1976-11-30 | Schalteinrichtung fuer projektionsleuchten |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA887076A ATA887076A (de) | 1978-08-15 |
AT349312B true AT349312B (de) | 1979-03-26 |
Family
ID=3609236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT887076A AT349312B (de) | 1976-11-30 | 1976-11-30 | Schalteinrichtung fuer projektionsleuchten |
Country Status (5)
Country | Link |
---|---|
US (1) | US4150887A (de) |
JP (1) | JPS5391732A (de) |
AT (1) | AT349312B (de) |
DE (1) | DE2753068A1 (de) |
IT (1) | IT1089500B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5136397A (en) * | 1989-10-31 | 1992-08-04 | Seiko Epson Corporation | Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls |
JP3052318B2 (ja) * | 1989-10-31 | 2000-06-12 | セイコーエプソン株式会社 | プロジェクタおよびその制御方法 |
US5459532A (en) * | 1993-03-29 | 1995-10-17 | Seiko Epson Corporation | Automatic focus adjuster for projection display systems having focus adjustment display symbols |
US5584554A (en) * | 1994-07-11 | 1996-12-17 | E. C. I. Marketing, Inc. | Projector signage and control system |
DE19957374A1 (de) * | 1999-11-29 | 2001-05-31 | Joerg Hiltmann | Verfahren und Vorrichtung zur Steuerung von Einrichtungen für eine Kinovorführung sowie System zur Kinovorführung |
US7252385B2 (en) * | 2004-05-11 | 2007-08-07 | Infocus Corporation | Projection LED cooling |
EP2117284B1 (de) * | 2008-03-17 | 2012-04-11 | Martin Professional A/S | Sicherheitsschleife für einen Beleuchtungskörper |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1064010A (en) * | 1909-02-11 | 1913-06-10 | Entpr Optical Mfg Company | Optical projecting apparatus. |
US3039022A (en) * | 1954-11-05 | 1962-06-12 | Arcy Ellis W D | Motion picture projector |
JPS5543377Y2 (de) * | 1971-09-15 | 1980-10-13 |
-
1976
- 1976-11-30 AT AT887076A patent/AT349312B/de not_active IP Right Cessation
-
1977
- 1977-11-14 US US05/851,496 patent/US4150887A/en not_active Expired - Lifetime
- 1977-11-28 JP JP14256677A patent/JPS5391732A/ja active Pending
- 1977-11-29 IT IT09638/77A patent/IT1089500B/it active
- 1977-11-29 DE DE19772753068 patent/DE2753068A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4150887A (en) | 1979-04-24 |
JPS5391732A (en) | 1978-08-11 |
IT1089500B (it) | 1985-06-18 |
ATA887076A (de) | 1978-08-15 |
DE2753068A1 (de) | 1978-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EIH | Change in the person of patent owner | ||
ELJ | Ceased due to non-payment of the annual fee |