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. 13, 2011
Filed:
Aug. 03, 2010
Robert Allan Unger, El Cajon, CA (US);
Takaaki Ota, San Diego, CA (US);
Robert Allan Unger, El Cajon, CA (US);
Takaaki Ota, San Diego, CA (US);
Sony Corporation, Tokyo, JP;
Sony Electronics Inc., Park Ridge, NJ (US);
Abstract
A power circuit device has a housing. A connection electrically couples AC power to an interior portion of the housing. A female electrical socket is coupled to the housing and is electrically coupled to and receives AC power from the connection. An AC to DC converter is electrically coupled to the connection to receive AC power therefrom and produce a DC output therefrom. A current sensor senses current drawn by one of the AC to DC converter and the female electrical socket. A switch, responsive to the current sensor, selectively removes power from the other one of the female electrical socket and the AC to DC converter when a drop in current is sensed by the current sensor. AC versions without DC conversion are also contemplated. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.