US 6,981,768 B2 | ||
Hand held inkjet pen | ||
Thomas A. Saksa, Albany, Oreg. (US); and Grant K. Garner, Corvallis, Oreg. (US) | ||
Assigned to Hewlett-Packard Development Company, LP., Houston, Tex. (US) | ||
Filed on Oct. 30, 2002, as Appl. No. 10/283,949. | ||
Prior Publication US 2004/0085430 A1, May 06, 2004 | ||
Int. Cl. B41J 3/36 (2006.01) |
U.S. Cl. 347—109 | 41 Claims |
1. A hand held inkjet pen, comprising:
a housing;
an ink reservoir located within the housing;
an inkjet printhead located toward a distal end of the housing, wherein the inkjet printhead comprises a plurality of nozzles
for ejecting ink received from the reservoir; and
a spacer including a strain gauge at the distal end of the housing for contacting a media sheet, wherein force applied to
the spacer selects an on state for controlling ejection of ink from the plurality of nozzles.
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