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US 10,035,365 B2Granted
Direct thermal media and registration sensor system and method for use in a color thermal printer
AssigneeZIH Corp.
InventorsClive Hohberger, David Womack, Bruce N. Alleshouse, James Clark, Wolfgang Strobel
Life of this patent
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Abstract
An example disclosed media processing device includes an image processing unit; a first optical registration sensor; and a second optical registration sensor spaced apart from the first optical registration sensor along a first axis by a first distance associated with a gap between media units on a web.
Claims17
A media processing device comprising:
- an image processing unit;
- a first optical registration sensor;
- and
- a second optical registration sensor spaced apart from the first optical registration sensor along a first axis by a first distance associated with a gap between media units on a web, wherein the image processing unit is configured to:
- switch control between a first registration system including the first optical registration sensor and a second registration system including the second optical registration sensor;
- and
- provide control to the second registration system when less than a threshold number of registration units are within a field of view of the first optical registration sensor.
4 more elements
A method, comprising:
- sensing, via a first optical sensor, a number of registration marks within a first field of view of the first optical sensor;
- providing, via a processor, control to a first registration system including the first optical sensor when the number of registration marks within the first field of view meets a threshold number;
- and
- providing, via the processor, control to a second registration system including a second optical sensor when the number of registration marks within the first field of view does not meet the threshold number, wherein the second optical sensor is spaced apart from the first optical sensor by a distance associated with a gap between media units on a web.
1 more element
A media processing device comprising:
- an image processing unit;
- a first optical registration sensor;
- and
- a second optical registration sensor spaced apart from the first optical registration sensor along a first axis by a first distance associated with a gap between media units on a web, wherein the image processing unit is configured to switch control between a first registration system including the first optical registration sensor and a second registration system including the second optical registration sensor based on a number of registration units within a field of view of the first optical registration sensor, wherein the registration units are fluorescent stripes.
1 more element
A media processing device comprising:
- an image processing unit;
- a first optical registration sensor;
- and
- a second optical registration sensor spaced apart from the first optical registration sensor along a first axis by a first distance associated with a gap between media units on a web, wherein the first and second optical registration sensors are configured to detect a stripe carrying a fluorophore.
1 more element
Dependencies are inferred from the claim text.