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. 15, 1991
Filed:
Feb. 26, 1988
Applicant:
Inventor:
Tetsuro Nakayama, Shizuoka, JP;
Assignee:
Tokyo Electric Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J / ; G01D / ;
U.S. Cl.
CPC ...
400124 ; 400470 ; 3461 / ;
Abstract
A print head having a plurality of printing elements is disposed in an opposing relationship to an opposing electrode, and a negative voltage is applied to the opposing electrode while the print head is grounded. As a result, appearance of a spark discharge can be prevented, thereby preventing damage to the printing elements an extraordinary scattering of ink while improving the safety of and assuring stabilized printing by the device.
Nakayama, Tetsuro. (1991). Ink dot printer (U.S. Patent No. 4984911). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4984911
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile