BIODEGRADABLE SMART SENSOR FOR MESH NETWORK APPLICATIONS
First Claim
1. A biodegradable sensor device for mesh networking applications, the device comprising:
- a frame formed of biodegradable material;
a biodegradable battery;
an antenna;
an environmental event detector comprising biodegradable material responsive to a change in environmental conditions, and,signal generating circuitry configured to be responsive to detecting an environmental event by broadcasting a signal to other sensor devices in a mesh network and also to re-broadcast signals received from other sensor devices in the mesh network.
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Abstract
Embodiments of the present invention provide a method, system and computer program product for a biodegradable sensor device for mesh networking applications. In an embodiment of the invention, a biodegradable sensor device for mesh networking applications is provided. The device includes a frame formed of biodegradable material such as a mixture of polylactic acid and a resin, a biodegradable battery such as a flexible biodegradable lithium ion battery, an antenna, an environmental event detector formed from biodegradable material responsive to a change in environmental conditions, and signal generating circuitry configured to be responsive to detecting an environmental event by broadcasting a signal to other sensor devices in a mesh network and also to re-broadcast signals received from other sensor devices in the mesh network.
14 Citations
12 Claims
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1. A biodegradable sensor device for mesh networking applications, the device comprising:
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a frame formed of biodegradable material; a biodegradable battery; an antenna; an environmental event detector comprising biodegradable material responsive to a change in environmental conditions, and, signal generating circuitry configured to be responsive to detecting an environmental event by broadcasting a signal to other sensor devices in a mesh network and also to re-broadcast signals received from other sensor devices in the mesh network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A mesh network comprising a plurality of nodes, each node comprising a biodegradable sensor device comprising a frame formed of biodegradable material, a biodegradable battery, an antenna, an environmental event detector comprising biodegradable material responsive to a change in environmental conditions, and, signal generating circuitry configured to be responsive to detecting an environmental event by broadcasting a signal to other sensor devices in a mesh network and also to re-broadcast signals received from other sensor devices in the mesh network.
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11. A method for monitoring material integrity in a mesh network of biodegradable sensor devices, the method comprising:
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embedding a plurality of biodegradable sensor devices in a material, each of the biodegradable sensor devices comprising a frame formed of biodegradable material, a biodegradable battery, an antenna, an environmental event detector comprising biodegradable material responsive to a change in environmental conditions, and signal generating circuitry configured to be responsive to detecting an environmental event by broadcasting a signal to other sensor devices in a mesh network and also to re-broadcast signals received from other sensor devices in the mesh network; emitting from the environmental event detector of each of the sensor devices in the material, a sonic signal at a specified frequency; detecting a sonic signal in the environmental event detector of at least one of the sensor devices in the material; determining a frequency of the detected sonic signal; and
,broadcasting an alert to others of the sensor devices in the mesh network in response to the determined frequency residing outside of an acceptable frequency range indicative of the integrity of the material. - View Dependent Claims (12)
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Specification