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. 12, 1978
Filed:
Jan. 21, 1977
Applicant:
Inventors:
Motoharu Fujii, Tokyo, JP;
Takao Muramatsu, Yokohama, JP;
Noboru Koumura, Tokyo, JP;
Susumu Sugiura, Yamato, JP;
Nobuhiro Takekawa, Tokyo, JP;
Syusei Tsukada, Sagamihara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
101-1 ; 101D / ; 96 / ; 346150 ; 355 / ; 118261 ;
Abstract
The disclosure describes an improved electrostatic printing in which cleaning step and developing step are united together as single combined step. It is possible to carry out charging step and transferring step with same single means. The electrostatic printing is adaptable for making a large number of prints at a high speed. The developing agent can be recovered and reused very efficiently.