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:
Jul. 06, 1993
Filed:
Nov. 12, 1991
Yasufumi Tanimoto, Fujisawa, JP;
Takashi Saitoh, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
An image forming apparatus including a photosensitive drum, a discharging device for discharging an electric charge on the photosensitive drum, a process unit detachably provided in a main body of the apparatus, a driving circuit for driving the discharging device, a detecting circuit for detecting a driving current when the discharging device is driven by the driving circuit, and a determining portion for determining a mounting state and the suitability of the process unit in the main body of the apparatus. Therefore, suitability of the process unit and attachment to the main body of the apparatus is electrically determined.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile