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. 15, 1992
Filed:
Mar. 27, 1991
Masami Gokita, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
An actual toner density of the two component developing agent in the developing device can be estimated based on a value Y obtained by the following equation: ##EQU1## wherein Yp is the number of papers supplied to the developing device, Ye is the number of envelopes supplied to the developing device, Cp is a value proportional to changes in the toner density of the two component developing agent in the developing device when the image forming operation is carried out with paper and Ce is a value proportional to changes in the toner density of the two component developing agent in the developing device when the image forming operation is carried out with envelopes. Based on the above-described estimation, an appropriate amount of toner can be replenished into the developing device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile