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:
May. 15, 1990
Filed:
Dec. 21, 1987
Yoshiyuki Mizoguchi, Yokohama, JP;
Yoshitaka Watanabe, Tokyo, JP;
Hiroyuki Hiraga, Tokyo, JP;
Shigeru Fukuyama, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet printer has a recovery system for sucking ink from nozzle orifices together with air bubbles stagnant in orifices so as to recover the normal state in the orifices. The recovery system has a vacuum generating device, a capping device and a valve mechanism for controlling the vacuum generated in the vacuum generating device to the capping device. The recovery system further has a temperature detector for detecting the temperature of the ink. The operation timing of the valve mechanism is controlled in accordance with the temperature of the ink detected by the temperature detecting means, so that the amount of ink sucked by the recovery system is regulated in accordance with the temperature of the ink.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile