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:
Apr. 09, 1985
Filed:
Oct. 03, 1983
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A method for detecting a deflection amount of ink jets according to the present invention applied to an ink jet printer is effected by projecting light upon a flying ink drop, and detecting deflection amount of the ink drop on the basis of behavior of the light reflected by the ink drop. Further, a device for detecting a deflection amount of ink jets according to the invention utilizing the above method comprises a light emitting device for emitting the light, one or plural light receiving devices for receiving the light reflected by the ink drops a signal processing circuit for producing a detection signal indicative of the deflection amount of the above ink drop on the basis of the presence or absence and the level of the output of the light receiving device.