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:
Jun. 04, 1996
Filed:
Mar. 18, 1994
Tetsuya Kitamura, Gifu, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
An insulating layer of an aperture electrode provided in a recording apparatus is formed of polyimide which is liable to be negatively electrified through frictional contact with toner when the toner is negatively chargeable. Further, a charge member which can be charged in the same polarity as the toner is placed on the aperture electrode so as to surround the opening portions of the aperture electrode. With this structure, a recording operation of high image quality can be performed using a low voltage while preventing the deposition of the toner at the control electrodes of the aperture electrode so that the recording operation can be stably performed at all times.