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. 16, 2003
Filed:
Nov. 09, 1998
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
An ink jet printer connected to a personal computer and normally driven by a PC battery accommodated in the personal computer. The ink jet printer detachably accommodates therein an auxiliary battery. The printer has a control portion and a driving portion for moving a print head. If a voltage level of the PC battery becomes less than a threshold voltage during printing operation, the electrical connection between the PC battery and the control portion is maintained, whereas a power source to the driving portion is switched from the PC battery to the auxiliary battery. After the printing operation is completed, a power source to the control portion is switched from the PC battery to the auxiliary battery.