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:
Jun. 14, 1988
Filed:
Dec. 15, 1986
Yutaka Mizoguchi, Yokohama, JP;
Victor Company of Japan, Ltd., Yokohama, JP;
Abstract
In a thermal printer with a thermal head having a plurality of heating elements arranged in line in a direction of main scanning, each of the heating elements having a plurality of heating sections arranged in a sub scanning direction with a predetermined pitch between two consecutive heating sections, it is detected first whether high density mode or low density mode is instructed and all of the heating elements of the thermal head are energized when the high density mode has been instructed, or every other heating element is energized when the low density mode has been instructed; then the thermal head being shifted relative to print paper in the sub scanning direction by a distance substantially equal to the pitch; then all of the heating elements being energized when the high density mode has been instructed, or every other heating element, which have not been energized in a previous energizing cycle, being energized when the low density mode has been instructed.