Printed output inspection
AssigneeHP Indigo B.V.
InventorMoshe Havive
Life of this patent
Estimating the term…
Abstract
In one example, a printed output inspection unit (300) for a web printing system (100). The inspection unit has a first L-inverter (310) disposed in a first plane (315), and a second L-inverter (320) disposed in a second plane (325) offset from the first plane in a direction orthogonal to the first plane. The inspection unit (300) also has an inspection area (340,350) between the first and second L-inverters to view a side (307,309) of a web substrate (305), the inspection area extending in the direction orthogonal to the first plane.
Claims13
A printed output inspection unit for a web printing system, comprising:
- a first L-inverter disposed in a first plane;
- a second L-inverter disposed in a second plane offset from the first plane in a direction orthogonal to the first plane,
- wherein the first and second L-inverters are stacked in the direction orthogonal to the first plane to define a footprint of the inspection unit;
- a first inspection area between the first and second L-inverters to view a first side of a web substrate, the first inspection area extending in the direction orthogonal to the first plane;
- and
- a substrate buffer disposed between the first and second L-inverters within the footprint and structured to receive the substrate after the second L-inverter and to accumulate the substrate within the buffer.
A printer output inspection unit for a web printing system, comprising:
- a first L-inverter disposed in a first plane above a surface and having a first angled roller in a first orientation;
- a second L-inverter disposed in a second plane above the first plane and having a second angled roller in a second orientation substantially orthogonal to the first orientation, wherein the first and second L-inverters define a footprint of the inspection unit on the surface;
- a first inspection area between the first and second L-inverters in a plane substantially orthogonal to the first and second planes, to view a first side of a web substrate from outside the inspection unit;
- and
- a substrate buffer disposed between the first and second L-inverters within the footprint and structured to receive the substrate after the second L-inverter and to accumulate the substrate within the buffer.
A method of inspecting printed output of a web printing system, comprising:
- receiving, at an inspection unit, a substrate of a web in a first plane parallel to a surface;
- rotating the substrate 90 degrees in a second plane parallel to the first plane;
- redirecting the substrate into a third plane orthogonal to the first and second planes, the third plane defining a first vertical inspection area to view a first side of the substrate;
- redirecting the substrate into a fourth plane parallel to the first and second planes;
- rotating the substrate 90 degrees in a fifth plane parallel to the fourth plane;
- redirecting the substrate into a sixth plane orthogonal to the first through fifth planes, the sixth plane defining a second vertical inspection area to view an opposite side of the substrate.
A web printing system, comprising:
- a printing unit to print on a substrate;
- a printed output inspection unit downstream from the printing unit to receive the printed substrate, the unit having
- a first L-inverter disposed in a first plane;
- a second L-inverter disposed in a second plane offset from the first plane in a direction orthogonal to the first plane,
- wherein the first and second L-inverters are stacked in the direction orthogonal to the first plane to define a footprint of the inspection unit;
- a first inspection area between the first and second L-inverters to view a first side of a web substrate, the first inspection area extending in the direction orthogonal to the first plane;
- and
- a substrate buffer disposed between the first and second L-inverters within the footprint and structured to receive the substrate after the second L-inverter and to accumulate the substrate within the buffer.
Dependencies are inferred from the claim text.