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. 12, 1991
Filed:
Jul. 05, 1990
Edward M Cyrana, Webster, NY (US);
Douglas B Strong, Penfield, NY (US);
Allan R Amering, Hilton, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
Control of the magnetic signal strength of magnetic images is attained selectively (1) by adjusting exposure and (2) by adjusting the toner concentration, wherein the signal strength control is by way of controlling exposure rather by adjusting the toner concentration whenever the desired amount of signal strength control can be attained by adjusting the amount of exposure. Generally, the amount of attainable exposure has minimum and maximum limits; and the toner concentration is adjusted only when an exposure value change is called for which would cause the exposure to exceed those limits. When the toner concentration does need to be adjusted, an excessive amount of adjustment will stop the apparatus and request service. To increase the signal strength of the MICR image, toner replenishment is permitted to continue only for a predetermined amount of time. To decrease the signal strength of the MICR image, high-density prints are generated without replenishing the toner particles.