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:
Dec. 11, 2001
Filed:
May. 17, 2000
Applicant:
Inventor:
Akihisa Ono, Tokyo, JP;
Assignee:
Sony Computer Entertainment Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 ;
U.S. Cl.
CPC ...
H02J 7/00 ;
Abstract
An entertainment apparatus for reading a program stored in an optical disk or the like as a detachably storage medium and executing a game based on the read program, charges a secondary cell accommodated in a portable information terminal. When the portable information terminal is connected to the entertainment apparatus, a charging circuit in the portable information terminal introduces a DC power supply from a charging power supply output terminal of the entertainment apparatus via a charging input terminal, increase the voltage of the DC power supply, and then charges the secondary cell in the portable information terminal with the DC power supply.