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:
Sep. 15, 2015
Filed:
Jan. 13, 2015
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Satoshi Furukawa, Aichi, JP;
Akira Takahashi, Osaka, JP;
Abstract
An illumination apparatus includes a light emitting unit having at least one first light emitting element and at least one second light emitting element connected in series with each other. Further, the illumination apparatus includes a keying circuit for electrically closing a first power supply path which passes through both the first and the second light emitting element from the power supply circuit or the capacitive element or a second power supply path which passes through the first light emitting element without passing through the second light emitting element from the capacitive element. The keying circuit is set in a state in which the first power supply path is electrically closed during a power supply, and is set in a state in which the second power supply path is electrically closed when a reduction in quantity of charges of the capacitive element is detected after the power supply is stopped.