Lead edge detector for printer
AssigneeEastman Kodak Company
InventorsRichard A. Murray, Gregory M. Burke
Life of this patent
Estimating the term…
Abstract
A printer includes a carriage configured to move a printhead along a carriage scan path; a photosensor that is mounted on the carriage, the photosensor including a field of view; a light source; and a light guiding element having a first end that is aimed at a first predetermined position along a media advance path, and a second end that is aimed at a second predetermined position along the carriage scan path, wherein the carriage is movable to an edge-detection position such that the second end of the light guiding element is aimed at the field of view of the photosensor.
Claims21
A printer comprising:
- a carriage configured to move a printhead along a carriage scan path;
- a photosensor that is mounted on the carriage, the photosensor including a field of view;
- a light source;
- and
- a light guiding element having a first end that is aimed at a first predetermined position along a media advance path, and a second end that is aimed at a second predetermined position along the carriage scan path, wherein the carriage is movable to an edge-detection position such that the second end of the light guiding element is aimed at the field of view of the photosensor.
A printer comprising:
- a carriage that is actuable to move along a carriage scan path, wherein the carriage scan path includes a lead edge-detection position;
- a printhead and a photosensor that are coupled to the carriage;
- a light guiding element having a first aperture at a first predetermined position along a media advance path between a media supply and the carriage scan path and a second aperture at a second predetermined position along the carriage scan path, and
- a light source that is disposed to direct light into the light guiding element;
- wherein movement of the carriage to the lead edge-detection position brings the photosensor into a path of light from the second aperture.
Dependencies are inferred from the claim text.