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Patent Searching and Data


Title:
PROJECTING DEVICE AND METHOD FOR CONTROLLING SAME
Document Type and Number:
WIPO Patent Application WO/2020/040008
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a projecting device with which it is possible to prevent dust adhering to members inside a housing, and a method for controlling the same. A projector (100) is provided with: a housing (10) having an intake port (10A) and an exhaust port (10B); a static eliminator (6) for destaticizing air taken into the housing (10) from the intake port (10A); a cooled member (optical modulating element (3), light source 21) cooled by the air taken into the housing (10); and a system control unit (5) which detects a difference between an internal pressure, which is the pressure inside the housing (10), and an external pressure, which is the pressure outside the housing (10), and controls a destaticizing output of the static eliminator (6) on the basis of said difference.

Inventors:
KURODA YASUTO (JP)
IMAI RYO (JP)
FUJIMURA YUICHI (JP)
SATODATE YOSHIHIRO (JP)
TAKAO HIROAKI (JP)
Application Number:
PCT/JP2019/031878
Publication Date:
February 27, 2020
Filing Date:
August 13, 2019
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
G03B21/14; G03B21/00; G03B21/16; H04N5/74; H05K7/20
Foreign References:
JP2013098454A2013-05-20
JP2014149492A2014-08-21
JP2010029740A2010-02-12
JP2001068293A2001-03-16
JP2012058300A2012-03-22
JPH1010646A1998-01-16
US20110036552A12011-02-17
JP2009251133A2009-10-29
JP2012066178A2012-04-05
JP2011170066A2011-09-01
Attorney, Agent or Firm:
KOH-EI PATENT FIRM, P.C. (JP)
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