Claims
- 1. A light source device used in a projector that optically processes a light beam emitted from a light source to form an optical image, the projector enlarging and projecting the optical image using a projection lens, and the light source device comprising:a light source unit having a light source lamp and a reflector that reflects light emitted from the light source lamp; and a lamp housing that substantially covers an outer surface of the light source unit, the lamp housing having an uncovered opening plane to a front of the reflector, the light source lamp, the reflector, and the lamp housing being integrally formed as a unit in the projector so that the unit may be exchangeable, the lamp housing being comprised of a plurality of dividable components, the plurality of dividable components surrounding a rear portion of the reflector.
- 2. The light source device as claimed in claim 1, the reflector being fixed to any one of the plurality of dividable components.
- 3. The light source device as claimed in claim 1, the outer surface except for the opening plane of the reflector being substantially covered with the plurality of dividable components.
- 4. The light source device as claimed in claim 1, the lamp housing having an opening for leading cooling air to the reflector, and the opening being provided with a scattering-preventing piece that prevents fragments of the light source lamp or the reflector from scattering to outside of the lamp housing, when the light source lamp or the reflector bursts.
- 5. The light source device as claimed in claim 4, the scattering-preventing piece being provided with a straightening vane that guides the cooling air to the light source lamp.
- 6. The light source device as claimed in claim 4, a length of each scattering-preventing piece being set to accommodate the shape of the reflector.
- 7. The light source device as claimed in claim 4, one of the plurality of dividable components being a cover member that covers the opening and is provided with the at least one scattering-preventing piece.
- 8. A light source device, comprising:a light source unit having a light source lamp and a reflector that reflects light emitted from the light source lamp; and a lamp housing that substantially covers an outer surface of the light source unit, the lamp housing having an uncovered opening plane to a front of the reflector and comprising a plurality of dividable components, the reflector being fixed to any one of the plurality of dividable components, the plurality of dividable components surrounding a rear portion of the reflector.
- 9. The light source device as claimed in claim 8, the outer surface except for the opening plane of the reflector being substantially covered with the plurality of dividable components.
- 10. The light source device as claimed in claim 8, the lamp housing having an opening for leading cooling air to the reflector, and the opening being provided with a scattering-preventing piece that prevents fragments of the light source lamp or the reflector from scattering to outside of the lamp housing, when the light source lamp or the reflector bursts.
- 11. The light source device as claimed in claim 10, the scattering-preventing piece being provided with a straightening vane that guides the cooling air to the light source lamp.
- 12. The light source device as claimed in claim 10, a length of each scattering-preventing piece being set to accommodate the shape of the reflector.
- 13. The light source device as claimed in claim 10, one of the plurality of dividable components being a cover member that covers the opening and is provided with the at least one scattering-preventing piece.
- 14. A projector comprising:a light source unit having a light source lamp and a reflector that reflects light emitted from the light source lamp; a lamp housing that substantially covers an outer surface of the light source unit, the lamp housing having an uncovered opening plane to a front of the reflector, the light source lamp, the reflector, and the lamp housing being integrally formed as a unit in the projector so that the unit may be exchangeable, the lamp housing being comprised of a plurality of dividable components, the plurality of dividable components surrounding a rear portion of the reflector; a modulation device that modulates light reflected by the reflector; and a projection lens that projects the light modulated by the modulation device.
- 15. The light source device as claimed in claim 14, the reflector being fixed to any one of the plurality of dividable components.
- 16. The light source device as claimed in claim 14, the outer surface except for the opening plane of the reflector being substantially covered with the plurality of dividable components.
- 17. The projector as claimed in claim 14, the lamp housing having an opening for leading cooling air to the reflector, and the opening being provided with a scattering-preventing piece that prevents fragments of the light source lamp or the reflector from scattering to outside of the lamp housing, when the light source lamp or the reflector bursts.
- 18. The projector as claimed in claim 17, the scattering-preventing piece being provided with a straightening vane that guides the cooling air to the light source lamp.
- 19. The light source device as claimed in claim 17, a length of each scattering-preventing piece being set to accommodate the shape of the reflector.
- 20. The light source device as claimed in claim 17, one of the plurality of dividable components being a cover member that covers the opening and is provided with the at least one scattering-preventing piece.
- 21. The projector as claimed in claim 14, further comprising:a power supply; a driver board that drives and controls the modulation device; a control circuit that controls the projector in entirety; and an outer casing that accommodates the light source lamp, the reflector, the lamp housing, the modulation device, the projection lens, the power supply, the driver board, and the control circuit.
- 22. The light source device as claimed in claim 21, the outer surface except for the opening plane of the reflector being substantially covered with the plurality of dividable components.
- 23. A projector comprising:a light source unit having a light source lamp and a reflector that reflects light emitted from the light source lamp; a lamp housing that substantially covers an outer surface of the light source unit, the lamp housing having an uncovered opening plane to a front of the reflector and comprising a plurality of dividable components, the reflector being fixed to any one of the plurality of dividable components, the plurality of dividable components surrounding a rear portion of the reflector; a modulation device that modulates light reflected by the reflector; and a projection lens that projects the light modulated by the modulation device.
- 24. The projector as claimed in claim 23, the lamp housing having an opening for leading cooling air to the reflector, and the opening being provided with a scattering-preventing piece that prevents fragments of the light source lamp or the reflector from scattering to outside of the lamp housing, when the light source lamp or the reflector bursts.
- 25. The projector as claimed in claim 24, the scattering-preventing piece being provided with a straightening vane that guides the cooling air to the light source lamp.
- 26. The light source device as claimed in claim 24, a length of each scattering-preventing piece being set to accommodate the shape of the reflector.
- 27. The light source device as claimed in claim 24, one of the plurality of dividable components being a cover member that covers the opening and is provided with the at least one scattering-preventing piece.
- 28. The projector as claimed in claim 22, further comprising:a power supply; a driver board that drives and controls the modulation device; a control circuit that controls the projector in entirety; and an outer casing that accommodates the light source lamp, the reflector, the lamp housing, the modulation device, the projection lens, the power supply, the driver board, and the control circuit.
Priority Claims (1)
Number |
Date |
Country |
Kind |
11-58820 |
Mar 1999 |
JP |
|
Parent Case Info
This is a Continuation of application Ser. No. 09/518,272 filed Mar. 3, 2000. The entire disclosure of the prior application(s) is hereby incorporated by reference herein in its entirety.
US Referenced Citations (7)
Foreign Referenced Citations (2)
Number |
Date |
Country |
A-8-160420 |
Jun 1996 |
JP |
A-9-245502 |
Sep 1997 |
JP |
Continuations (1)
|
Number |
Date |
Country |
Parent |
09/518272 |
Mar 2000 |
US |
Child |
10/011293 |
|
US |