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:
Dec. 02, 2003
Filed:
Mar. 29, 2002
Jonathan Wachtel, Rehovot, IL;
Aprion Digital Ltd., Netanya, IL;
Abstract
A method for eliminating reflected waves from a vibrating diaphragm surface within an acoustic chamber of an inkjet printer piezo-crystal driver. The first step involves generating an electro-acoustical driven pressure waveform from the piezo-crystal driver, the diaphragm initially acting on ink to release it, wherein the waveform is reflected from a nozzle plate disposed remotely from the diaphragm. Further steps include determining an instant when the reflected pressure waveform returns to the diaphragm surface and producing a matched pulse waveform causing a reverse motion in the diaphragm exactly at that instant, whereby the reverse motion reverses the initial diaphragm action, such that the matched pulse waveform absorbs and eliminates the reflected pressure waveform at the exact instant.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile