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:
Nov. 18, 1997
Filed:
Sep. 04, 1996
Toshio Koyama, Kanagawa, JP;
Hiroyuki Arakawa, Tochigi, JP;
Sony Corporation, , JP;
Abstract
An electronic equipment having a rechargeable battery in combination with a power source adapter. A rechargeable battery is detachably mounted in the electronic equipment. The power source adapter is adapted for supplying power to the electronic equipment from outside, and includes a first battery loading unit for loading a rechargeable battery, a charging voltage generating unit for generating a charging voltage for charging both the loaded rechargeable battery and the rechargeable battery mounted in the electronic equipment, a switching unit for switching between supplying the charging voltage to the charging unit and supplying the charging voltage to the electronic equipment, a detection unit for detecting completion of charging of the rechargeable battery loaded on the power source adapter, and a switching control unit for controlling the switching of the switching unit responsive to the output of the detection unit.