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:
Jul. 07, 2015
Filed:
Mar. 26, 2012
Applicants:
Atsushi Wada, Ogaki, JP;
Hajime Mizukami, Gifu, JP;
Mitsuaki Hatakeyama, Gifu-ken, JP;
Shigeto Kobayashi, Gifu-ken, JP;
Inventors:
Atsushi Wada, Ogaki, JP;
Hajime Mizukami, Gifu, JP;
Mitsuaki Hatakeyama, Gifu-ken, JP;
Shigeto Kobayashi, Gifu-ken, JP;
Assignee:
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC, Phoenix, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H03D 1/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0055 (2013.01); H02J 2007/0001 (2013.01);
Abstract
A power supply detection circuit detects power feeding to a VBUS terminal from the outside. A charger detection circuit specifies the kind of charger by detecting the voltages of a DP terminal and a DM terminal. The charger detection circuit detects open, pull-up, pull-down of at least one of the DP terminal and the DM terminal or formation of a short circuit between both the terminals.