Inkjet printhead incorporating a memory array

Details Inkjet printhead incorporating a memory array Inkjet printhead incorporating a memory array

2008-07-22

2008-07-22

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S056000, C347S058000

Reexamination Certificate

active

07401875

ABSTRACT:
A thermal inkjet printhead100of the present invention includes a heating element110, an ink chamber, control circuitry108, an ink reservoir, and a memory array106. The control circuitry108causes the heating element to generate thermal energy thereby causing ink within the ink chamber to generate bubbles of ink, which are then expelled through a nozzle. The ink reservoir replenishes used ink in the ink chamber. The memory array106stores and provides the identification parameters for the thermal inkjet printhead100. The identification parameters are typically provided during initialization of the printer and include color(s) of ink (e.g., black, green, red, blue), a number of nozzles on the thermal inkjet printhead, an addressing frequency, nozzle spacing, heating architecture, and the like. The identification parameters can include other information such as a unique serial identification number for the thermal inkjet printhead, manufacturer serial number, lot number, date of manufacture, compatible printers, ink capacity, ink remaining, re-ordering information for replacement ink cartridges, and the like.

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