Title:
Motion sensor device with multiple light sources
Document Type and Number:
Japanese Patent JP6299983
Kind Code:
B2
Abstract:
A motion sensor device according to an embodiment of the present disclosure includes an image sensor (101) and LED light sources (102, 103). Using an image captured by the image sensor (101) when both of the LED light sources (102, 103) are turned ON and an image captured by the image sensor (101) when only the LED light source (103) is turned ON, the distance to an object is estimated based on the luminance ratio of the object.
Inventors:
Ryuji Fuchigami
Application Number:
JP2015509886A
Publication Date:
March 28, 2018
Filing Date:
March 19, 2014
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G01C3/06; G01B11/00
Domestic Patent References:
| JP2008128815A | ||||
| JP2001012909A |
Foreign References:
| WO2012063387A1 | ||||
| US20080231835 |
Attorney, Agent or Firm:
Seiji Okuda
Osamu Kita
Michi Kajitani
Akiko Miyake
Hidetaka Okabe
Tohru Kawakita
Yu Tanaka
Osamu Kita
Michi Kajitani
Akiko Miyake
Hidetaka Okabe
Tohru Kawakita
Yu Tanaka
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