Monitoring printing fluid
AssigneeHewlett-Packard Development Company, L.P.
InventorsCesar Luis Coelho Morais De Serpa Rosa, Marc Clotet Marti, Alberto Borrego Lebrato
Life of this patent
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Abstract
The present disclosure refers to monitoring a printing fluid, in an example, a device is disclosed wherein the device N comprises a light emitter to illuminate a fluid line comprising a flowing printing fluid; an image sensor to capture a diagnostic image of the fluid line once it has been illuminated; and a processor connected to the detector being the processor to compare the diagnostic image to a baseline and to determine a printing fluid quality parameter based on the comparison.
Claims15
A printing fluid monitoring device comprising:
- a light emitter to pass light through a fluid line comprising a flowing printing fluid;
- an image sensor to capture a diagnostic image of the flowing printing fluid in the fluid line once the light has passed through the fluid line;
- and
- a processor connected to the image sensor to compare the diagnostic image to a baseline and to determine a presence of printing fluid sludge based on the comparison.
A printing system, including:
- a printing fluid delivery sub-system;
- a light emitter to pass light through a fluid line associated with the fluid delivery sub-system, the fluid line comprising a printing fluid flowing therethrough;
- an image sensor to capture, from the light passing through the fluid line, a diagnostic image including a portion of the fluid line and the printing fluid;
- and
- a processor to determine a presence of printing fluid sludge based on performing an image processing operation on the diagnostic image.
A fluid monitoring method comprising:
- pass light, by a light source, through a printing fluid conductor comprising printing fluid;
- acquire, by an image sensor and the light passing through the printing fluid conductor, a diagnostic image of the printing fluid in the printing fluid conductor;
- determine, by a processor, a presence of printing fluid sludge based on the diagnostic image;
- wherein the presence of printing fluid sludge is determined based on a comparison between the diagnostic image and a baseline accessible by the processor.
Dependencies are inferred from the claim text.