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:
Oct. 30, 2018
Filed:
Nov. 27, 2017
Hewlett-packard Development Company, L.p., Houston, TX (US);
Peter J. Fricke, Corvallis, OR (US);
Andrew L. Van Brocklin, Corvallis, OR (US);
Scott A. Linn, Corvallis, OR (US);
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US);
Abstract
In some examples, a piezoelectric fluid ejection assembly includes a micro-electro mechanical system (MEMS) die including a plurality of nozzles, a first application-specific integrated circuit (ASIC) die electrically connected to the MEMS die, and a second ASIC die electrically connected to the MEMS die. The first ASIC die includes a plurality of driver amplifiers for respective nozzles of a first number of the plurality of nozzles, and a plurality of unique waveform data generators to generate respective different waveforms for activating the nozzles of the first number of the plurality of nozzles.