Solid state activity-activated battery device and method
First Claim
Patent Images
1. A system comprising:
- a substrate;
a circuit connected to the substrate;
a thin-film battery connected to the substrate and connected to the circuit, the thin-film battery for powering the circuit; and
an acceleration-enabled switch connected to the substrate for electrically activating the circuit;
wherein the acceleration-enabled switch is a MEMS device;
wherein the acceleration-enabled switch includes;
a first cantilevered-beam-closure-switch; and
a second cantilevered-beam-closure-switch;
wherein the first cantilevered-beam-closure-switch forms electrical contact in response to a first acceleration and the second cantilevered-beam-closure-switch forms electrical contact in response to a second acceleration, the first acceleration different than the second acceleration;
wherein the circuit further comprises;
a memory; and
a timer, wherein the time when one of the first cantilevered-beam-closure-switch forms electrical contact in response to a first acceleration, or the time when the second cantilevered-beam-closure-switch forms electrical contact in response to a second acceleration is stored in memory.
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Abstract
A system includes a thin-film battery and an activity-activated switch. The system is placed on a substrate with an adhesive backing. In some embodiments, the substrate is flexible. Also formed on the substrate is an electrical circuit that includes electronics. The activity-activated switch places the thin-film battery in electrical communication with the circuit and electronics. The battery and the circuit are formed on the substrate and may be comprised of one or a plurality of deposited layers.
237 Citations
39 Claims
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1. A system comprising:
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a substrate;
a circuit connected to the substrate;
a thin-film battery connected to the substrate and connected to the circuit, the thin-film battery for powering the circuit; and
an acceleration-enabled switch connected to the substrate for electrically activating the circuit;
wherein the acceleration-enabled switch is a MEMS device; wherein the acceleration-enabled switch includes; a first cantilevered-beam-closure-switch; and
a second cantilevered-beam-closure-switch;
wherein the first cantilevered-beam-closure-switch forms electrical contact in response to a first acceleration and the second cantilevered-beam-closure-switch forms electrical contact in response to a second acceleration, the first acceleration different than the second acceleration;
wherein the circuit further comprises; a memory; and
a timer, wherein the time when one of the first cantilevered-beam-closure-switch forms electrical contact in response to a first acceleration, or the time when the second cantilevered-beam-closure-switch forms electrical contact in response to a second acceleration is stored in memory. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A system comprising:
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a substrate;
a thin-film battery positioned on the substrate, the thin-film battery further including;
a first lead;
a first electrical contact in electrical communication with the first lead;
a second lead;
a second electrical contact in electrical communication with the second lead; and
an activity-activated switch connected to one of the first and second lead on the substrate for electrically connecting the thin-film battery to the first electrical contact and the second electrical contact;
further comprising an adhesive attached to the substrate. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A system comprising:
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a substrate;
a circuit connected to the substrate;
a thin-film battery connected to the substrate and connected to the circuit, the thin-film battery adapted to power the circuit; and
a first activity-activated switch connected to the substrate adapted to electrically activate the circuit;
wherein the circuit further comprises; a timer that outputs a timer value based on a time of activation of the first activity-activated switch in response to a first activity. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A method comprising:
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activating an activity-activated switch to place a thin-film battery in communication with a set of electronics;
storing a start time for a warranty using the powered electronics. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. The method comprising:
adhesively attaching the activity-activated switch, the thin-film battery, and the set of electronics to a product.
Specification