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. 24, 1996
Filed:
Sep. 23, 1994
Gamal Hagar, Neckarsteinach, DE;
Esselte Meto International GmbH, Heppenheim, DE;
Abstract
The invention is directed to a thermal printer, with a thermal print head having a series of electrically drivable heating elements, with a microprocessor transferring data to be printed into a register associated with the thermal print head. In order to increase the printing speed, a buffer storage connected to the microprocessor via a parallel data line as well as a separate load state monitoring circuit are proposed, the monitoring circuit being connected to the buffer storage and causing data to be transferred from the buffer storage into the register when the data written into the buffer storage from the microprocessor has reached a defined quantity. As an alternative or addition, it is recommended to insert a pulse generator and a stepping motor driver between the output of the microprocessor and the stepping motor for driving the platen roll.