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. 23, 2016
Filed:
Mar. 07, 2014
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Kazuki Tanaka, Fukuoka-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, a photocoupler includes: an input terminal; a light emitting unit; a light receiving unit and an output terminal. An input electrical signal having a prescribed voltage is input into an input terminal. The light emitting unit is connected to the input terminal, includes a light emitting element configured to emit emission light, and is configured to drive the light emitting element under a constant voltage of the input electrical signal. The light receiving unit includes a light receiving element configured to receive the emission light and convert the emission light into an electrical signal. The output terminal is insulated from the input terminal and configured to output the electrical signal in accordance with the input electrical signal.