Invention Grant
- Patent Title: Projection display device and method for controlling the same
- Patent Title (中): 投影显示装置及其控制方法
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Application No.: US13270479Application Date: 2011-10-11
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Publication No.: US08740392B2Publication Date: 2014-06-03
- Inventor: Takeshi Furihata , Hirokazu Kamatori , Shigehiro Yanase
- Applicant: Takeshi Furihata , Hirokazu Kamatori , Shigehiro Yanase
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: ALG Intellectual Property, LLC
- Priority: JP2010-229795 20101012
- Main IPC: G03B21/16
- IPC: G03B21/16 ; E06B7/08 ; F24F13/14 ; F24F7/00
Abstract:
An electricity storage section that stores power from an external power source and supplies the stored power as operating power is provided, and, when an interruption of the external power source to a projection display device is detected, control to reduce the power consumption of a device main body and control to drive an exhaust port shutter so that it is closed by the power supplied from the electricity storage section are performed.
Public/Granted literature
- US20120086914A1 PROJECTION DISPLAY DEVICE AND METHOD FOR CONTROLLING THE SAME Public/Granted day:2012-04-12
Information query
