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:
Dec. 15, 2015
Filed:
Oct. 04, 2013
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
Lighting equipmentis provided that enables illumination light having a stable FCI to be obtained, without influence from the lighting conditions. To this end, a lighting circuitperforms control of lighting a first red light source Rand lighting a white light source W while not lighting or faintly lighting a second red light source Runder first lighting conditions in which the first red light source Ris expected to produce red light with a first peak wavelength, and of lighting the second red light source Rand lighting the white light source W while not lighting or faintly lighting the first red light source Runder second lighting conditions in which the first red light source Ris expected to produce the red light with a second peak wavelength that is shifted toward a longer wavelength relative to the first peak wavelength.