Hand held inkjet pen

Incremental printing of symbolic information – Ink jet – Housing

Reexamination Certificate

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Reexamination Certificate

active

06981768

ABSTRACT:
A hand held inkjet pen includes a housing, an ink reservoir, an inkjet printhead and a spacer. The ink reservoir is located within the housing. The inkjet printhead is located toward a distal end of the housing, and includes a plurality of nozzles for ejecting ink received from the reservoir. The spacer is located at the distal end of the housing for contacting a media sheet. Force applied to the spacer selects an on state for controlling ejection of ink from the plurality of nozzles.

REFERENCES:
patent: 4412232 (1983-10-01), Weber et al.
patent: 4748460 (1988-05-01), Piatt et al.
patent: 6312124 (2001-11-01), Desormeaux
patent: 6749355 (2004-06-01), Payne et al.

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