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Title:
OPTICAL FILTER MODULE, AND OPTICAL FILTER SYSTEM
Document Type and Number:
Japanese Patent JP2012159658
Kind Code:
A
Abstract:

To enable photographing not only at daytime during which natural light is made incident, but also under night vision such as at nighttime.

In the optical filter module 3 provided on an imaging device 1 including a plurality of filters, the plurality of the filters are a first filter 4 which makes visible light transmit therethrough and shields at least infrared rays, and a second filter 7 which makes only the infrared rays pass therethrough, and the first filter 4 and the second filter 7 are arranged so as to be selectively switched.


Inventors:
SAITO HIDEFUMI
ONISHI MANABU
Application Number:
JP2011018751A
Publication Date:
August 23, 2012
Filing Date:
January 31, 2011
Export Citation:
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Assignee:
DAISHINKU CORP
International Classes:
G02B5/28; G02B5/22; H04N5/225
Domestic Patent References:
JP2000059798A2000-02-25
JP2007079338A2007-03-29
JP2002084451A2002-03-22
JP2004345419A2004-12-09
JP2005195569A2005-07-21
JP2006154395A2006-06-15
JP2011017819A2011-01-27
JP2006220873A2006-08-24
JP2001042230A2001-02-16
JP2002316580A2002-10-29
JP2003059461A2003-02-28
JP2000329932A2000-11-30
JP2003004941A2003-01-08
JP2009015076A2009-01-22
JP2009049910A2009-03-05
Attorney, Agent or Firm:
Patent Business Corporation Ark Patent Office