TIMING SYSTEM AND DEVICE AND METHOD FOR MAKING THE SAME
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Abstract
A timing device for indicating a passage of a duration of time is disclosed. The timing device in accordance with the embodiments of the invention has a grid array architecture. The grid array architecture includes an electrode structure with an anode layer, a cathode layer and a thermistor layer. The anode layer and the thermistor layer are electrically coupled through a plurality of cathode line structures. In operation the timing device is actuated through a suitable mechanism to initiate depletion of the anode layer and, thereby, indicate a passage of a duration time. As the anode layer depletes, sequential cathode line structures are exposed and the thermistor layer acts as a variable resistor through a plurality of exposed cathode line structures.
88 Citations
53 Claims
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1-20. -20. (canceled)
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21. A timing device comprising:
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a. an electro-chemical structure comprising a solid-state electrolyte; and b. an indicator for indicating when an electrode material of the electrochemical structure is at least partially depleted provides a visual indication of a passage of a duration of time. - View Dependent Claims (22, 23, 24)
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25. A method of making a timing device comprising:
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a. forming a first electrode structure on a first piece of a substrate; and b. forming a second electrode structure on a second piece of a substrate, wherein at least one of the first electrode structure and the second electrode structure comprises a solid-state electrolyte and wherein the first electrode structure and second electrode structure are configured to contact in a sandwich-like configuration and indicate passage of a duration of time. - View Dependent Claims (26, 27)
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- 28. A timing device comprising an electrochemical structure, the electrochemical structure comprising an electrolyte and electrodes in electrical communication with the electrolyte, wherein depletion of one or more of the electrodes provides an indication of a passage of a duration of time, further wherein the electrochemical structure is divided into zones configured to change color at different rates to collectively provide a visual indication of the passage of the duration of time.
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31. A timing device comprising:
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a. electrode structures; b. an electrolyte sandwiched between the electrode structures; and c. an actuator to actuate depletion of a portion of at least one of the electrode structures and thereby indicate a passage of a duration time, wherein the at least one of the electrode structures comprises a plurality of corresponding sub cells, each of the sub cells having different resistivities.
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- 32. A timing device comprising an electrochemical structure, the electrochemical structure comprising an electrolyte and electrodes in electrical communication with the electrolyte, wherein depletion of one or more of the electrodes provides an indication of a passage of a duration of time, further wherein the electrochemical structure is divided into zones that collectively provide a visual indication of the passage of the duration of time, wherein each of the zones comprise different materials.
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35. A timing device comprising:
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a. electrode structures; b. an electrolyte sandwiched between the electrode structures; and c. an actuator to actuate depletion of a portion of at least one of the electrode structures and thereby indicate a passage of a duration time, wherein the at least one of the electrode structures comprises a plurality of corresponding sub cells, each of the sub cells comprising different materials
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36. A device for indicating a passage of time, the device comprising:
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a. a lens; b. a base; c. a layer positioned between the lens and the base; d. an altering mechanism for altering the transparency of the layer and thereby changing the visibility of the base to indicate a passage of time; and e. an actuator to actuate the device. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43)
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44. A device comprising:
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a. a lens; b. a base with a marking thereon; c. an altering mechanism for altering the visibility of the marking on the base through the lens and thereby indicating a passage of time, wherein the altering mechanism comprises an optical medium positioned between the lens and the base; and d. an actuator to actuate the device; wherein after the device is actuated, the altering mechanism is sensitive to temperature. - View Dependent Claims (45, 46, 47, 48, 49, 50, 51, 52)
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53. A system for managing food inventories, the system comprising:
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a. a lens, a base, a middle layer, an altering mechanism for altering the transparency of the middle layer, an actuator to actuate the system and an attachment mechanism for attaching the lens, the base, the middle layer, the altering mechanism, and the actuator to an article; wherein the transparency of the middle layer is altered to make the base more or less visible through the lens and further, wherein the altering mechanism is inversely sensitive to temperature after actuation.
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Specification