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. 09, 1999
Filed:
Jul. 28, 1997
Makoto Hinohara, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electronic apparatus system in which an electronic apparatus such as a personal computer and an expansion device are combined so as to be freely joined and separated. A charging circuit, a control circuit, and a chargeable battery are provided for each of the electronic apparatus and the expansion device. In a state in which the electronic apparatus and the expansion device are separated, the control circuit of the electronic apparatus controls the charging circuit of the electronic apparatus, thereby charging the battery of the electronic apparatus. The control circuit of the expansion device controls the charging circuit of the expansion device, thereby charging the battery of the expansion device.