Title:
IMAGE DISPLAY DEVICE, AND BLOWER FAN CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2015/170508
Kind Code:
A1
Abstract:
[Problem] To prevent air and heat from being retained within the housing of a projector device. [Solution] An image display device (100) provided with: a light source (40); an optical system (20) for projecting an image formed on the basis of a light beam emitted by the light source (40) onto a projection surface; a plurality of blower fans (FAN_1, FAN_2) provided within the housing in two or more airflow paths connected to an air exhaust part; an exhaust fan (FAN_3) provided in the air exhaust part; and an airflow control unit (200) for controlling the driving of the exhaust fan (FAN_3) in accordance with the control of the driving of the blower fan having the highest airflow volume from among the plurality of blower fans (FAN_1, FAN_2) provided in the aforementioned airflow path.
Inventors:
IKEURA KAZUMASA (JP)
Application Number:
PCT/JP2015/056933
Publication Date:
November 12, 2015
Filing Date:
March 10, 2015
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
G03B21/16; H04N5/74; H05K7/20
Foreign References:
JP2011158527A | 2011-08-18 | |||
JP2011007952A | 2011-01-13 | |||
JP2013044933A | 2013-03-04 | |||
JP2013134426A | 2013-07-08 | |||
JP2005099379A | 2005-04-14 | |||
JP2007101897A | 2007-04-19 | |||
JP2002174856A | 2002-06-21 | |||
JP2004012724A | 2004-01-15 |
Attorney, Agent or Firm:
KAMEYA, Yoshiaki et al. (JP)
Yoshiaki Kameya (JP)
Yoshiaki Kameya (JP)
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