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:
Mar. 18, 2014
Filed:
Sep. 18, 2009
Tomohiko Yokoyama, Osaka, JP;
Hideharu Takezawa, Nara, JP;
Kazuya Iwamoto, Osaka, JP;
Taisuke Yamamoto, Nara, JP;
Tomohiko Yokoyama, Osaka, JP;
Hideharu Takezawa, Nara, JP;
Kazuya Iwamoto, Osaka, JP;
Taisuke Yamamoto, Nara, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Provided is a highly safe portable electronic device having a secondary battery as a power source, and including a housing, an electronic device body housed in the housing, and a battery housing portion housed in the housing, in which a surface is inhibited from being locally heated to high temperature. In the portable electronic device, the battery housing portion is a molding with a battery fitting portion for fitting the secondary battery therein, and the battery fitting portion has provided on its surface a heat-insulating layer having a thickness of from 500 to 3000 μm and a thermal conductivity of 0.2 W/m·K or lower.