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:
May. 22, 2018
Filed:
Jan. 18, 2017
Seiko Epson Corporation, Tokyo, JP;
Takaaki Ozawa, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes a light source section that outputs first light, a power supply section that generates electric power in both a case where the power supply section is connected to a commercial AC power supply having first power supply voltage and a case where the power supply section is connected to a commercial AC power supply having second power supply voltage lower than the first power supply voltage, a light source drive section that controls the amount of first light, and a control section that allows execution of a function of controlling the amount of first light in the case where the power supply section is connected to the commercial AC power supply having first power supply voltage and restricts the execution of the function in the case where the power supply section is connected to the commercial AC power supply having second power supply voltage.