Signal and Detection System For Keying Applications
5 Assignments
0 Petitions
Accused Products
Abstract
Systems and methods for differentiating the spectral response of various optical coatings between a transmitter and receiver. The system is effective in determining if an optical coating produces an authorized spectral response for determining if a product having that optical coating is authorized to be used with another product.
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Citations
42 Claims
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1-22. -22. (canceled)
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23. A second product comprising an optical coating on a substrate,
wherein the second product is a consumable product shaped to engage with a first product, the first product being a dispenser having a receiver and a transmitter and configured to direct light to the optical coating, and wherein the second product is configured such that the optical coating is positionable between the optical transmitter and the receiver of the first product while authorizing pairing of a first product with a second product such that: the optical coating partially reflects light received from the transmitter to the receiver to enable the first product to; interpret reflected light received at the receiver against an authorized signal by analysis of the spectral response including analysis of the degree of absorption of the reflected light at the optical coating, to thereby determine whether the reflected light received at the receiver matches the authorized signal; in response to determining that the reflected light received at the receiver matches the authorized signal, authorize pairing of the second product with the first product to allow the dispensing of the second product by the first product; and in response to determining that reflected light received at the receiver does not match the authorized signal, prevent pairing of the second product with the first product to prevent the dispensing of the second product by the first product. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A keying system for interpreting a code based on a spectral response of one or more optical coatings on a substrate between at least one optical transmitter and at least one receiver while authorizing pairing of a first product with a second product to allow or prevent dispensing of the second product by the first product, the system comprising:
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a transmitter located on the first product, the transmitter configured to transmit at least a first light signal against one or more optical coatings of the code located on the second product when the first product and the second product are being paired, wherein the first product is a dispenser and the second product is a cartridge or other container containing a consumable component; a receiver operatively located on the first product, the receiver configured to receive reflected light by the one or more optical coatings of the code; and receiver electronics operatively connected to the receiver and configured to; interpret reflected light received at the receiver against an authorized signal by analysis of the spectral response including analysis of the degree of absorption of the reflected light at the one or more optical coatings, to thereby determine whether the reflected light received at the receiver matches the authorized signal; in response to determining that the reflected light received at the receiver matches the authorized signal, authorize pairing of the second product with the first product to allow the first product to dispense the second product by using the consumable component from within the cartridge or other container; and in response to determining that reflected light received at the receiver does not match the authorized signal, prevent pairing of the second product with the first product to prevent the dispensing of the second product by the first product. - View Dependent Claims (38, 39, 40, 41, 42)
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Specification