Light source device and projector

Patent metadata

Field	Value
Publication number	US-2016366384-A1
Application number	US-201615170037-A
Country	US
Kind code	A1
Filing date	Jun 1, 2016
Priority date	Jun 11, 2015
Publication date	Dec 15, 2016
Grant date	—

Abstract

A light source device, which is incorporated into a projector and is used, includes a light source, and a light source case, in which the light source case includes fuses that are fused in a case where the light source device is in a predetermined use state, and a light source detection portion that detects whether or not the light source device is installed at a predetermined position in the projector. A projector includes a light source cartridge that is provided with a cartridge case accommodating two light source devices and corresponding to an installation posture of a projector main body, in which the cartridge case includes a cartridge detection portion that detects the corresponding installation posture.

First claim

What is claimed is:

1 . A light source device which is incorporated into a projector including a cooling device sending cooling air and is used, the light source device comprising:
a light source; and a light source case that accommodates the light source, wherein the light source case includes a plurality of ruses that are fused in a case where the light source device is in a predetermined use state; and a light source detection portion that detects whether or not the light source device is installed at a predetermined position in the projector.

2 . A projector comprising;
a light modulation device that modulates light emitted from a light source; a projection optical device that projects the light modulated by the light modulation device; and a plurality of light source cartridges that include the light source device according to claim 1 , and a cartridge case accommodating a plurality of the light source devices and corresponding to an installation posture of a projector main body, wherein the cartridge case includes a cartridge detection portion that detects the corresponding installation posture.

3 . The projector according to claim 2 , further comprising:
a controller that controls an operation of the projector main body on the basis of results detected by the light source detection portion and the cartridge detection portion; and a notification portion that performs a notification based on a process performed by the controller.

4 . The projector according to claim 2 , further comprising:
a fusing circuit that fuses the fuse; an input operation portion that receives an operation for operating the fusing circuit; and a controller that gives an instruction for fusing the fuse corresponding to the installation posture to the fusing circuit on the basis of a result detected by the cartridge detection portion and an input operation from the input operation portion.

5 . The projector according to claim 2 ,
wherein the installation posture includes a normal installation posture corresponding to on-desk installation or hanging installation, and a side installation posture obtained by rotating the normal installation posture by about 90° with respect to an optical axis of light emitted from the projection optical device.

6 . The projector according to claim 2 ,
wherein the cartridge detection portion and the light source detection portion are configured to include electrical resistive elements.

Assignees

• Seiko Epson Corp

Inventors

• Miyata Takahiro
• Sasaki Fumihide
• Horiko Yukihiro
• Takizawa Takahiro

Classifications

• H04N9/3194 Primary

  including sensor feedback · CPC title

• G03B21/2086

  Security or safety means in lamp houses · CPC title

• H04N9/3164

  using multiple light sources · CPC title

• H04N9/3144

  Cooling systems (cooling of liquid crystal cells in general G02F1/133382; cooling of projectors not peculiar to the presence of an electronic spatial light modulator G03B21/16) · CPC title

• G03B21/2046 Primary

  Positional adjustment of light sources · CPC title