Print tip contact sensor for quiet impact printer
AssigneeXerox Corporation
InventorsAndrew Gabor, John C. Dunfield, George W. Bowers, Jr., Richard G. Crystal
Life of this patent
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Abstract
An impacting element for an impact printer having a platen, selectable character elements and means for driving the impacting element to impart a printing force to a selected character element, to drive it against said platen for a contact period, the impacting element including a sensor thereon for generating a signal indicative of the initiation of the contact period.
Claims4
An impact printer including a platen, selectable character elements, an impacting element movable toward and away from said platen, and means for driving said impacting element to impart a printing force to a selected character element, to drive it to deform said platen, said printer being characterized by:
- said impacting element including sensor means thereon for generating a signal indicative of the initiation of said deformation, and
- said means for driving comprising force applying means responsive to said signal for accelerating said impacting element to cause said deformation.
Dependencies are inferred from the claim text.