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US 12,420,570 B2Granted
Print zone encoder
AssigneeHP Scitex Ltd.
InventorsAlex Veis, Semion Birger
Life of this patent
Estimating the term…
Abstract
In one example, a system to support print media through a print zone in a printer includes an endless support belt, a driver to circulate the support belt through the print zone, and an encoder unit under the print zone to measure movement of the support belt in the print zone.
Claims15
A system to support print media through a print zone in a printer, the system comprising:
- an endless support belt;
- a driver to circulate the support belt through the print zone, wherein the print zone is defined as an area in which ink is dispensed onto print media by a printing unit having a print head;
- an encoder unit directly under the printhead in the print zone and engaging the endless support belt to convert linear movement of the support belt in the print zone to rotation of a rotary encoder;
- and
- a controller operatively connected to the encoder unit, the controller programmed to control the driver and/or the printing unit based on movement measured by the encoder unit.
2 more elements
A print zone encoder unit for a print media support belt, comprising:
- an encoder pulley;
- a rotary encoder operatively connected to the encoder pulley;
- and
- an endless encoder belt configured to engage the support belt in the print zone and to engage and turn the encoder pulley in response to the support belt moving in the print zone.
1 more element
A system to support print media through a print zone in a printer, the system comprising:
- an endless support belt having holes therethrough;
- a driver to circulate the support belt through the print zone, wherein the print zone is defined as an area in which ink is dispensed onto the print media by a printing unit having a print head;
- an encoder unit directly under the printhead in the print zone and engaging the endless support belt to convert linear movement of the support belt in the print zone to rotation of a rotary encoder;
- and
- a vacuum chamber operatively connected to at least some of the holes in the support belt in the print zone.
2 more elements
Dependencies are inferred from the claim text.