发明授权
US07441903B2 Power on/off system of thin projector and method for controlling the same 有权
薄型投影机电源开/关系统及其控制方法

  • 专利标题: Power on/off system of thin projector and method for controlling the same
  • 专利标题(中): 薄型投影机电源开/关系统及其控制方法
  • 申请号: US11305106
    申请日: 2005-12-19
  • 公开(公告)号: US07441903B2
    公开(公告)日: 2008-10-28
  • 发明人: Hong Ki Kim
  • 申请人: Hong Ki Kim
  • 申请人地址: KR Seoul
  • 专利权人: LG Electronics Inc.
  • 当前专利权人: LG Electronics Inc.
  • 当前专利权人地址: KR Seoul
  • 代理机构: Ked & Associates, LLP
  • 优先权: KR10-2005-0082740 20050906
  • 主分类号: G03B21/16
  • IPC分类号: G03B21/16
Power on/off system of thin projector and method for controlling the same
摘要:
A power on/off system of a thin projector including an optical system arranged in a housing with a panel shape having lateral sides and a front side having an area larger than an area of each lateral side is disclosed. The power on/off system includes a door, fans which cool a lamp, a shutter which opens/closes a projection lens, a first sensing unit which senses malfunctions of the lamp, the fans, the door, and the shutter, a second sensing unit which senses an internal temperature of the housing, and a controller which sequentially controls, in response to power-on of the thin projector, operations of opening the door and the shutter, driving the fans, driving the lamp, and sequentially controls, in response to power-off of the thin projector, operations of turning off the lamp, driving the fans, turning off the fans, and closing the door and shutter.
信息查询
0/0