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:
Nov. 24, 1987
Filed:
Jun. 10, 1985
Applicant:
Inventor:
Takayoshi Hanagata, Yamato, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461 / ;
Abstract
An ink jet recorder having an ink container and a recording head, to which ink in the ink container is supplied, is mounted on a carriage moving along a recording plane of a recording medium from a stand-by position to a print position. The recording head is driven in accordance with a recording signal to discharge ink toward the recording medium. A vent path is formed in the ink container to communicate with atmosphere, and a vent blocking device for blocking the vent path from the atmosphere is provided on the recorder body, wherein the vent path is blocked from atmosphere when the recording head is in the stand-by position.