IL53329A - Light porjector with closed circuit air circulation colling system - Google Patents
Light porjector with closed circuit air circulation colling systemInfo
- Publication number
- IL53329A IL53329A IL53329A IL5332977A IL53329A IL 53329 A IL53329 A IL 53329A IL 53329 A IL53329 A IL 53329A IL 5332977 A IL5332977 A IL 5332977A IL 53329 A IL53329 A IL 53329A
- Authority
- IL
- Israel
- Prior art keywords
- porjector
- light
- air circulation
- closed circuit
- circuit air
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
- F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
- F21V19/0065—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base at least one conductive element acting as a support means, e.g. spring-mounted contact plate in a bayonet base
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Projection Apparatus (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7633830A FR2370922A1 (en) | 1976-11-10 | 1976-11-10 | Film projector lamp - has hemispherical and cylindrical cap at ends and spring between them permitting axial adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL53329A0 IL53329A0 (en) | 1978-01-31 |
| IL53329A true IL53329A (en) | 1980-01-31 |
Family
ID=9179733
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL53331A IL53331A (en) | 1976-11-10 | 1977-11-08 | Lamp for a projector and device for manipulating and mounting it |
| IL53329A IL53329A (en) | 1976-11-10 | 1977-11-08 | Light porjector with closed circuit air circulation colling system |
| IL53330A IL53330A (en) | 1976-11-10 | 1977-11-08 | Projector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL53331A IL53331A (en) | 1976-11-10 | 1977-11-08 | Lamp for a projector and device for manipulating and mounting it |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL53330A IL53330A (en) | 1976-11-10 | 1977-11-08 | Projector |
Country Status (6)
| Country | Link |
|---|---|
| BE (3) | BE860008A (en) |
| DE (3) | DE2749944A1 (en) |
| FR (1) | FR2370922A1 (en) |
| IL (3) | IL53331A (en) |
| IT (3) | IT1088024B (en) |
| NL (3) | NL185418C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2917745A1 (en) * | 1979-05-02 | 1980-11-13 | Arnold & Richter Kg | Halogen-metal vapour gas discharge lamp - has cap designed to safeguard properly orientated mounting of lamp and is used for daylight searchlight(s) |
| DE3207926A1 (en) * | 1982-03-05 | 1983-09-15 | Leybold-Heraeus GmbH, 5000 Köln | Experiment light |
| US4510558A (en) * | 1983-02-21 | 1985-04-09 | U.S. Philips Corporation | Device for producing and projecting light |
| US4623795A (en) * | 1984-05-24 | 1986-11-18 | Penn-Med Technology, Inc. | Irradiating device |
| DE3628088A1 (en) * | 1986-08-19 | 1988-02-25 | Bat Cigarettenfab Gmbh | DEVICE FOR THE OPTICAL INSPECTION OF THE SURFACE OF ROD-SHAPED SMOKE ARTICLES AND / OR FILTER RODS FOR THE TOBACCO INDUSTRY |
| DE8802979U1 (en) * | 1988-03-05 | 1988-07-07 | Deilmann-Haniel GmbH, 4600 Dortmund | Underground spotlights |
| DE9002461U1 (en) * | 1990-03-02 | 1990-05-03 | Siemens AG, 1000 Berlin und 8000 München | Workplace light |
| DE4008932A1 (en) * | 1990-03-20 | 1991-09-26 | Siemens Ag | Modular lighting recessed into airport runways - has circular bases with independent light modules for directional beam |
| GB2244816A (en) * | 1990-04-10 | 1991-12-11 | Microphax Limited | Illumination apparatus for a microfiche reader |
| US5404283A (en) * | 1992-03-31 | 1995-04-04 | Phoenix Products Company, Inc. | Outdoor framing projector |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE260053C (en) * | ||||
| GB388064A (en) * | 1931-08-18 | 1933-02-20 | P S R Lamp Co Ltd | Improvements in and relating to anti-dazzle devices for headlamps |
| BE443357A (en) * | 1937-07-25 | 1900-01-01 | Westfaelische Metall Ind Akt G | |
| DE683917C (en) * | 1937-10-15 | 1939-11-18 | Paul Schroeder | Darkening device on electrical lighting units |
| NL62449C (en) * | 1944-08-22 | 1949-02-15 | Philips Nv | Searchlight containing a cooled lamp with reflector |
| DE1005463B (en) * | 1952-08-27 | 1957-04-04 | Alfred Paul Emil Letsch | Dimming device for motor vehicle headlights |
| GB1194331A (en) * | 1966-04-13 | 1970-06-10 | Harold Martin | Light-Projecting Systems. |
| US3598983A (en) * | 1969-04-11 | 1971-08-10 | Emil A Mosser Jr | Arc lamp mounting structure |
| US3703635A (en) * | 1970-09-08 | 1972-11-21 | E Systems Inc | Zoom light |
| DE2110802C3 (en) * | 1971-03-06 | 1974-03-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Bulletproof target and searchlights attached to armored vehicles |
-
1976
- 1976-11-10 FR FR7633830A patent/FR2370922A1/en active Granted
-
1977
- 1977-10-21 BE BE181978A patent/BE860008A/en not_active IP Right Cessation
- 1977-10-21 BE BE181977A patent/BE860007A/en not_active IP Right Cessation
- 1977-10-21 BE BE181979A patent/BE860009A/en not_active IP Right Cessation
- 1977-10-28 NL NLAANVRAGE7711883,A patent/NL185418C/en not_active IP Right Cessation
- 1977-10-28 NL NLAANVRAGE7711877,A patent/NL184806C/en not_active IP Right Cessation
- 1977-10-28 NL NLAANVRAGE7711884,A patent/NL184805C/en not_active IP Right Cessation
- 1977-10-31 IT IT29200/77A patent/IT1088024B/en active
- 1977-10-31 IT IT29207/77A patent/IT1088169B/en active
- 1977-10-31 IT IT29190/77A patent/IT1088221B/en active
- 1977-11-08 IL IL53331A patent/IL53331A/en unknown
- 1977-11-08 DE DE19772749944 patent/DE2749944A1/en active Granted
- 1977-11-08 IL IL53329A patent/IL53329A/en unknown
- 1977-11-08 DE DE19772749942 patent/DE2749942A1/en not_active Withdrawn
- 1977-11-08 IL IL53330A patent/IL53330A/en unknown
- 1977-11-08 DE DE19772749943 patent/DE2749943A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2749944A1 (en) | 1978-05-11 |
| NL7711883A (en) | 1978-05-12 |
| FR2370922A1 (en) | 1978-06-09 |
| NL184806C (en) | 1989-11-01 |
| NL184806B (en) | 1989-06-01 |
| IT1088169B (en) | 1985-06-10 |
| NL185418C (en) | 1990-04-02 |
| IL53330A0 (en) | 1978-01-31 |
| IL53330A (en) | 1980-09-16 |
| FR2370922B1 (en) | 1982-02-19 |
| IL53331A (en) | 1980-11-30 |
| DE2749943A1 (en) | 1978-05-11 |
| NL185418B (en) | 1989-11-01 |
| BE860007A (en) | 1978-02-15 |
| IL53329A0 (en) | 1978-01-31 |
| BE860008A (en) | 1978-02-15 |
| IT1088024B (en) | 1985-06-04 |
| NL184805B (en) | 1989-06-01 |
| NL7711884A (en) | 1978-05-12 |
| IL53331A0 (en) | 1978-01-31 |
| DE2749944C2 (en) | 1987-07-09 |
| DE2749942A1 (en) | 1978-05-11 |
| NL7711877A (en) | 1978-05-12 |
| IT1088221B (en) | 1985-06-10 |
| BE860009A (en) | 1978-02-15 |
| NL184805C (en) | 1989-11-01 |
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