Title:
ILLUMINATION SYSTEM AND CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/093148
Kind Code:
A1
Abstract:
In the present invention, each of a plurality of illumination devices has an illuminance sensor. A control device in the present invention controls the light intensity of at least one of the plurality of illumination devices and estimates the position of a subject. The control device periodically varies the light intensity of a device of interest selected from the plurality of illumination devices at a predetermined frequency when the position of the subject is estimated. The control device estimates the position of the subject on the basis of the intensity of a frequency component having a predetermined frequency which is included in the illuminance detected by the illuminance sensors of a plurality of adjacent devices adjacent to the device of interest among the plurality of illumination devices.
Inventors:
ASAMI TOMONOBU (JP)
Application Number:
PCT/JP2014/078490
Publication Date:
June 25, 2015
Filing Date:
October 27, 2014
Export Citation:
Assignee:
MEGACHIPS CORP (JP)
International Classes:
G01S17/88; G01S17/46; H05B37/02
Domestic Patent References:
| WO2009133505A1 | 2009-11-05 | |||
| WO2013068866A1 | 2013-05-16 |
Foreign References:
| JP2003227873A | 2003-08-15 | |||
| JP2011185783A | 2011-09-22 | |||
| JP2013201074A | 2013-10-03 | |||
| JP2009222417A | 2009-10-01 | |||
| JP2013130534A | 2013-07-04 | |||
| JP2013032955A | 2013-02-14 | |||
| JP2005030838A | 2005-02-03 | |||
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| JP2007171143A | 2007-07-05 | |||
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| JP2012194131A | 2012-10-11 |
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
Hidetoshi Yoshitake (JP)
Hidetoshi Yoshitake (JP)
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