POINT OF SALE INDUCTIVE SYSTEMS AND METHODS
First Claim
1. A product sensor comprising:
- a storage device for a product; and
a product sensor circuit supported by the storage device and including a secondary coil and a variable impendence element, wherein the impedance of the variable impedance element varies based on a characteristic of the product.
4 Assignments
0 Petitions
Accused Products
Abstract
Systems and methods for the identification, powering and control of products and product packaging. The systems can include a point of sale display having a contactless power supply. The contactless power supply can provide a source of wireless power for products and product packaging. The products and product packaging can include light emitting diodes, e-ink displays and printed speaker circuits that activate as the operating frequency of the contactless power supply varies. Other embodiments include product level sensors, inductive reader networks, printed temperature sensors, product alignment systems, passive identification circuits and methods for controlling operation of the same.
359 Citations
54 Claims
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1. A product sensor comprising:
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a storage device for a product; and a product sensor circuit supported by the storage device and including a secondary coil and a variable impendence element, wherein the impedance of the variable impedance element varies based on a characteristic of the product. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A product sensor system comprising:
an inductive reader including a primary tank circuit, the inductive reader being adapted to determine a characteristic of a product based on an impedance of a product sensor circuit defining a variable impedance, the product sensor circuit being included on a support device for the product. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A method for forming a product sensor, comprising:
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providing a product sensor circuit defining a variable impedance; providing a support device for a product defining a variable characteristic; and joining the product sensor circuit to the support device, wherein the impedance of the product sensor circuit varies based on the characteristic of the product. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45)
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46. A product monitoring system for a point of sale display, comprising:
an inductive reader supported by the point of sale display and including a primary tank circuit, the inductive reader being adapted to detect a change in a characteristic of power in the primary tank circuit in response to at least one of (1) the addition of a product container including an impedance element to the point of sale display and (2) the removal of a product container including an impedance element from the point of sale display. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54)
Specification