Patent · US Active

Ink jet printing

US11331918B2 · kind B2 · utility

0Cited by

15References

14Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

Lawrence H. White · Corvallis, US
Arun Agarwal · Dallas, US
Ron Burns · San Diego, US

Key dates

Filing date	Apr 28, 2020
Grant date	May 17, 2022
Priority date	—
Expiry date	Apr 28, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2202/11
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Printheads and printers are described herein. In one example, a printhead includes a plurality of nozzles configured to eject ink drops of different sizes wherein a low drop weight (LDW) drop is ejected through a nozzle with a circular bore (CB), and a high drop weight (HDW) drop is ejected through a nozzle with a non-circular bore (NCB).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.