Apparatus and method for determining a characteristic of a consumable
First Claim
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1. A method of operating a physical resource consuming apparatus operable according to a cycle of operation and having a controller and a removable component supplying the physical resource, and on which is provided a graphic, with the graphic, removable component and physical resource defining a multiple layer composite, the method comprising:
- applying a first intensity of light to the composite by the physical resource consuming apparatus and determining a corresponding first reflectance; and
applying a second intensity of light to the composite by the physical resource consuming apparatus and determining a corresponding second reflectance, wherein the intensity of the second intensity light is greater than the intensity of the first intensity light and penetrates a surface of the composite;
determining, with the controller, at least one characteristic of the physical resource from the first and second reflectances; and
determining, with the contoller, at least one operating parameter for the physical resource consuming apparatus as a function of the at least one characteristic.
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Abstract
The embodiments of the invention relate to a method and apparatus for determining at least one characteristic of a physical resource for use in a physical resource consuming apparatus.
53 Citations
20 Claims
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1. A method of operating a physical resource consuming apparatus operable according to a cycle of operation and having a controller and a removable component supplying the physical resource, and on which is provided a graphic, with the graphic, removable component and physical resource defining a multiple layer composite, the method comprising:
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applying a first intensity of light to the composite by the physical resource consuming apparatus and determining a corresponding first reflectance; and applying a second intensity of light to the composite by the physical resource consuming apparatus and determining a corresponding second reflectance, wherein the intensity of the second intensity light is greater than the intensity of the first intensity light and penetrates a surface of the composite; determining, with the controller, at least one characteristic of the physical resource from the first and second reflectances; and determining, with the contoller, at least one operating parameter for the physical resource consuming apparatus as a function of the at least one characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification