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. 05, 2020
Filed:
May. 30, 2019
Fujifilm Corporation, Tokyo, JP;
Hiroshi Shimaya, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An electronic device, an imaging apparatus, and a method of switching a power source that can smoothly switch a power source while preventing instantaneous interruption in a case where power source supply lines are shut off from each other between a device body and an external device on which a plurality of power sources can be mounted. A power source-switching preparation unit performs first processing for shifting an electronic device to an electric power-saving state and second processing for shifting the electronic device to a state where electric power can be supplied from a plurality of power sources, as switching preparation, and a power source-switching control unit switches a main power source according to a set order of priority in a state where the switching preparation is performed.