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:
Oct. 31, 1989
Filed:
Aug. 26, 1988
NEC Corporation, Tokyo, JP;
Susumu Corporation, Ltd., Kyoto, JP;
Abstract
A thermal printing control circuit includes a first shift register for receiving and storing a series of serial printing image data to be printed by a plurality of thermal print elements, a second register, constituted by a plurality of registers for storing contents of the first shift register by parallelly and sequentially shifting and receiving the contents thereof, for storing printing history data of a plurality of cycles of the thermal print elements, and a logic circuit for performing a logic operation by using the printing history data of the plurality of cycles of the plurality of thermal print elements, the printing history data being stored in the second shift register, and externally supplied control timing signals and for generating drive signals representing voltage waveforms to be applied to the plurality of thermal print elements.