| US 7,611,218 B2 | ||
| Inkjet printhead that prints keep-wet dots to avoid clogging | ||
| Kia Silverbrook, Balmain (Australia); Simon Robert Walmsley, Balmain (Australia); Angus John North, Balmain (Australia); and Gregory John McAvoy, Balmain (Australia) | ||
| Assigned to Silverbrook Research Pty Ltd, Balmain, New South Wales (Australia) | ||
| Filed on Jun. 19, 2007, as Appl. No. 11/764,806. | ||
| Application 11/764806 is a continuation of application No. 11/097335, filed on Apr. 04, 2005, granted, now 7,246,876. | ||
| Prior Publication US 2007/0242095 A1, Oct. 18, 2007 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. B41J 29/38 (2006.01) | ||
| U.S. Cl. 347—14 [347/6] | 17 Claims |
| 1. An inkjet printhead for printing onto a media substrate, the printhead comprising:
a plurality of nozzles;
a heater element adjacent each of the nozzles respectively for heating an ejectable liquid to form a gas bubble that causes
the ejection of a drop of the ejectable liquid from the nozzle; and,
a print engine controller for controlling the operation of the heater elements; wherein during use,
the print engine controller ensures that the time interval between successive actuations of each of the heater elements is
less than a decap time.
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