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:
Dec. 31, 1991
Filed:
Jul. 20, 1990
Applicant:
Inventors:
Toshihiko Ochiai, Tokyo, JP;
Hakaru Muto, Yokohama, JP;
Tetsuya Kobayashi, Yokohama, JP;
Yujiro Ando, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ; G03G / ;
U.S. Cl.
CPC ...
3461531 ; 355301 ;
Abstract
An image forming apparatus includes recording electrodes electrically isolated from each other; a recording medium movable relative to the recording electrodes; developer supplier for supplying a conductive developer into between the recording electrodes and the recording medium; developer remover contactable to the recording medium to remove the developer from the recording medium; humidity detector for detecting an ambient humidity; and a bias applying device for applying a different bias voltage to the developer remover in accordance with an output of the humidity detector.