JP2009205170A5

JP2009205170A5 -

Info

Publication number: JP2009205170A5
Application number: JP2009138781A
Authority: JP
Filing date: 2009-06-10
Publication date: 2010-07-29
Anticipated expiration: 2027-06-20

Claims

A light source using a lamp;
Projection means for forming and projecting an optical image from an image signal input from outside the apparatus and light from the light source, and
A cooling means for cooling the lamp of the light source, the cooling capacity being variable;
Key switch means for instructing the end of lighting of the lamp;
A determination means for determining the presence or absence of a signal input from outside the device;
A selection means for selecting the cooling capacity of the cooling means according to the determination result of the determination means when the lighting switch is instructed by the key switch means;
And a cooling control means for cooling the lamp of the light source by the cooling means with the cooling capacity selected by the selection means.

2. The projection apparatus according to claim 1 , wherein the selection means selects the highest cooling capacity of the cooling means when it is detected by the determination means that there is no signal input from outside the apparatus.

The said selection means selects the cooling capacity other than the highest cooling capacity of the said cooling means, when it is detected by the said judgment means that there is a signal input from the outside of the apparatus. Projection device.

Further comprising detection means for detecting a connection state at a connection part for inputting a signal from outside the device,
The projection apparatus according to claim 1, wherein the selection unit selects a cooling capacity of the cooling unit according to a detection result of the detection unit when instructed by the instruction unit.

A light source using a lamp, an image signal input from the outside of the apparatus and light from the light source to form a light image, a projection unit, and a cooling unit that cools the lamp of the light source and has a variable cooling capacity An operation control method for a projection apparatus comprising:
An instruction process for instructing the end of lighting of the lamp of the device;
A determination step of determining the presence or absence of a signal input from outside the device;
A selection step of selecting the cooling capacity of the cooling unit according to the determination result of the determination step when instructing the end of lighting in the instruction step;
And a cooling control step of cooling the lamp of the light source by the cooling section with the cooling capacity selected in the selection step.

A light source using a lamp, an image signal input from the outside of the apparatus and light from the light source to form a light image, a projection unit, and a cooling unit that cools the lamp of the light source and has a variable cooling capacity A program executed by a computer built in the projection apparatus provided,
An instruction step for instructing the end of lighting of the lamp of the device;
A determination step of determining the presence or absence of a signal input from outside the device;
A selection step of selecting the cooling capacity of the cooling unit according to the determination result of the determination step when instructing the end of lighting in the instruction step;
And a cooling control step of causing the cooling unit to cool the lamp of the light source with the cooling capacity selected in the selection step.