Web shift compensation
AssigneeHewlett-Packard Development Company, L.P.
InventorsRonald R. Anderson, Joseph Santich
Life of this patent
Estimating the term…
Abstract
According to examples, an apparatus may include a first feed element and a second feed element, in which a web is to be fed to the first feed element and from the first feed element to the second feed element. The apparatus may also include a controller that may determine whether the web exiting the second feed element is shifted from an intended position and based on a determination that the web is shifted from the intended position, cause the first feed element to be moved laterally a first distance and the second feed element to be moved laterally a second distance to compensate for the shift in the web exiting the second feed element.
Claims15
An apparatus comprising:
- a first feed element;
- a second feed element, wherein a web is to be fed to the first feed element and from the first feed element to the second feed element;
- and
- a controller to:
- determine whether the web exiting the second feed element is shifted from an intended position;
- and
- based on a determination that the web is shifted from the intended position, cause the first feed element to be moved laterally a first distance and the second feed element to be moved laterally a second distance to compensate for the shift in the web exiting the second feed element.
A method comprising:
- feeding a web from a first feed element to a second feed element;
- determining that a position of the web exiting the second feed element has shifted from an intended position;
- and
- based on the determination that the position of the web has shifted,
- moving the first feed element a first lateral distance;
- and
- moving the second feed element a second lateral distance.
An apparatus comprising:
- an input feed element to receive a web from a first direction and to turn the web to a second direction;
- a first feed element to receive the web from the input feed element;
- a second feed element to receive the web from the first feed element;
- and
- a controller to:
- determine a shift distance at which the web exiting the second feed element has shifted from an intended feed path;
- determine a second linear movement distance for the second feed element based on the determined shift distance;
- cause the second feed element to be moved the determined second linear movement distance;
- and
- cause the first feed element to be moved a first linear movement distance, the first linear movement distance differing from the second linear movement distance.
Dependencies are inferred from the claim text.