JPS6484510A - Lamp cooler - Google Patents
Lamp coolerInfo
- Publication number
- JPS6484510A JPS6484510A JP23643187A JP23643187A JPS6484510A JP S6484510 A JPS6484510 A JP S6484510A JP 23643187 A JP23643187 A JP 23643187A JP 23643187 A JP23643187 A JP 23643187A JP S6484510 A JPS6484510 A JP S6484510A
- Authority
- JP
- Japan
- Prior art keywords
- microwave
- lamp
- supported
- light
- high intensity
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
PURPOSE: To ensure an even and stable light output with a high intensity over a wide area for a long time by providing a special reflector as well as a means to inject gas to cool a microwave excitation type electrodeless light source which is supported to rotate freely in a microwave cavity. CONSTITUTION: A stem 18a which fixes a spherical lamp 18b is supported by an upper part of a solid wall part 8a of a microwave cavity 8 at two points, and is covered with an end wall 11 on which a mechanism rotated by a motor 25 is mounted. A slot 10a is provided at a side wall 10 to introduce microwave from a magnetron 15 through a wave guide path 14. A plurality of the slots 10a are provided for a high intensity light output. A plurality of nozzle 31 are provided in various heights at a cooling gas block 12 positioned at the lower part, so as to equally blow cooling gas against the lamp 18b for cooling it. A mesh wall part 8b passes light but reflects microwave. A reflector 40 of a multi-facet type equally emits high resolution light over a wide scope on an image plane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23643187A JP2703766B2 (en) | 1987-09-22 | 1987-09-22 | Lamp cooling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23643187A JP2703766B2 (en) | 1987-09-22 | 1987-09-22 | Lamp cooling device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6484510A true JPS6484510A (en) | 1989-03-29 |
JP2703766B2 JP2703766B2 (en) | 1998-01-26 |
Family
ID=17000652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23643187A Expired - Lifetime JP2703766B2 (en) | 1987-09-22 | 1987-09-22 | Lamp cooling device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2703766B2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61216299A (en) * | 1985-12-13 | 1986-09-25 | 三菱電機株式会社 | Microwave discharge light source unit |
-
1987
- 1987-09-22 JP JP23643187A patent/JP2703766B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61216299A (en) * | 1985-12-13 | 1986-09-25 | 三菱電機株式会社 | Microwave discharge light source unit |
Also Published As
Publication number | Publication date |
---|---|
JP2703766B2 (en) | 1998-01-26 |
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