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:
Jan. 20, 2009
Filed:
Mar. 01, 2006
Satoshi Hasegawa, Shizuoka-Ken, JP;
Shinya Mori, Shizuoka-Ken, JP;
Motoshi Ueda, Shizuoka-Ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
A toner remain detecting method according to this invention including: detecting toner density; supplying a toner amount corresponding to predetermined toner density; detecting a toner remain amount every time toner supply is carried out; and displaying toner near-empty if the toner remain amount becomes equal to or less than a prescribed value; wherein the toner supply step includes calculating a toner supply amount on the basis of a predetermined toner density level and the toner remain amount detected at the toner remain amount detecting step and supplying toner of the amount calculated at the toner supply amount calculating step. With the toner remain detecting method according to this invention, the toner remain amount can be detected more accurately than in conventional techniques.