The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 09, 2016
Filed:
Jul. 02, 2013
Panasonic Corporation, Osaka, JP;
Yuto Hidaka, Osaka, JP;
Atsuo Nanahara, Kyoto, JP;
Abstract
The lighting system in accordance with the present invention includes a lighting fixture including a first controller configured to control a light source; and a sensing device. The sensing device includes: an image sensor configured to take an image of a predetermined area; and a second controller having a function of adjusting sensitivity of the image sensor and a function of setting a dimming rate for the light source. The first controller is configured to light the light source at a dimming level according to the dimming rate set by the second controller. The second controller is configured to, when concluding that a condition where no person is present in the predetermined area continues for a predetermined time period, perform an operation of decreasing the dimming rate by a preset value and increasing the sensitivity of the image sensor for a preset time period.