发明名称 |
Fan control method and projection apparatus using the same |
摘要 |
A fan control method for a projection apparatus is provided. The method includes the following steps. When the lamp is switched from a working state to a power-off state, the fan device is enabled. When a temperature of the lamp is reduced to a first predetermined temperature, the fan device is disabled. When the temperature of the lamp is reduced to be lower than a second predetermined temperature, the fan device is enabled again. When the temperature of the lamp is reduced to a re-ignition temperature, the fan device is disabled. |
申请公布号 |
US9207524(B2) |
申请公布日期 |
2015.12.08 |
申请号 |
US201314144217 |
申请日期 |
2013.12.30 |
申请人 |
DELTA ELECTRONICS, INC. |
发明人 |
Chang Meng-Sheng |
分类号 |
G03B21/16;H04N9/31;G03B21/20 |
主分类号 |
G03B21/16 |
代理机构 |
Kirton McConkie |
代理人 |
Kirton McConkie ;Witt Evan R. |
主权项 |
1. A method for controlling a fan device of a projection apparatus to remove heat from a lamp, the method comprising steps of:
(a) enabling the fan device when the lamp is switched from a working state to a power-off state; (b) disabling the fan device when a temperature of the lamp is reduced to a first predetermined temperature; (c) enabling the fan device again when the temperature of the lamp is reduced to be lower than a second predetermined temperature; and (d) disabling the fan device when the temperature of the lamp is reduced to a re-ignition temperature. |
地址 |
Taoyuan Hsien TW |