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. 21, 1988
Filed:
Jan. 13, 1987
Applicant:
Inventors:
Haruyuki Matsumoto, Tokyo, JP;
Hiroshi Sugitani, Machida, JP;
Hiroto Matsuda, Yokohama, JP;
Masakazu Ozawa, Yokohama, JP;
Masami Ikeda, Chiba, JP;
Akira Miyagawa, Tanashi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461 / ; 346-11 ;
Abstract
In a liquid jet recording head having a liquid discharging conduit, the ratio of the average cross-sectional area of the conduit at the liquid introducing region to that at the energy actuating region is greater than 1.