Multifunction adhesive product for ubiquitous realtime tracking
A low-cost, multi-function tracking system with a form factor that unobtrusively integrates the components needed to implement a combination of different localization techniques and also is able to perform a useful ancillary function that otherwise would have to be performed with the attendant need for additional materials, labor, and expense. An example tracking system is implemented as an adhesive product that integrates tracking components within a flexible adhesive structure in a way that not only provides a cost-effective platform for interconnecting, optimizing, and protecting the components of the tracking system but also maintains the flexibility needed to function as an adhesive product that can be deployed seamlessly and unobtrusively into various tracking applications and workflows, including person and object tracking applications, and asset management workflows such as manufacturing, storage, shipping, delivery, and other logistics associated with moving products and other physical objects.
1. A tracking adhesive product, comprising:
a plurality of segments of a flexible laminated structure comprising a flexible cover and a flexible substrate laminated to a pressure sensitive adhesive layer;
wherein, in a device layer between the flexible cover and the flexible substrate, each of the plurality of segments includes components comprising:
an antenna;
a wireless communications system coupled to the antenna;
a sensor operable to generate ambient data characterizing an environmental state of the segment in response to exposure to external stimulus;
a processor coupled to the wireless communications system and the sensor;
an energy source coupled to the processor, the sensor, and the wireless communications system;
at least one non-transitory processor-readable medium comprising instructions which, when executed by the processor, configures the processor to perform operations comprising processing the ambient data, storing the processed ambient data, and controlling the wireless communications system to transmit wireless messages comprising the processed ambient data to one or more network nodes associated with a tracking service.
2. The tracking adhesive product of claim 1 , wherein, each of the plurality of segments further comprises a flexible polymer layer that encapsulates the device layer.
3. The tracking adhesive product of claim 2 , wherein the sensor is a GPS sensor.
4. The tracking adhesive product of claim 2 , further comprising, in each of the plurality of segments, a respective opening in the flexible laminated structure that provides direct exposure of the sensor to ambient conditions.
5. The tracking adhesive product of claim 2 , wherein, in each of the plurality of segments, the energy source comprises a cylindrical single cell battery arranged in the device layer between the flexible cover and the substrate.
6. The tracking adhesive product of claim 2 , wherein, in each of the plurality of segments, the energy source is a planar flexible battery arranged in the device layer.
7. The tracking adhesive product of claim 2 , further comprising, in each of the plurality of segments, a flexible planarization layer between the device layer and the flexible cover, wherein the planarization layer planarizes the components in the device layer with a substantially planar surface facing the flexible cover.
8. The tracking adhesive product of claim 7 , wherein the flexible planarization layer comprises a flexible epoxy.
9. The tracking adhesive product of claim 1 , wherein peripheral portions of the flexible cover and the flexible substrate are bonded together.
10. The tracking of adhesive product of claim 1 , wherein the system is powered by battery harvesting technology comprising at least one of electromagnetic wave harvesting, solar cell harvesting, vibration harvesting, and piezoelectric based harvesting.
11. The tracking adhesive product of claim 1 , further comprising peripheral sidewalls adhered to the flexible cover and the flexible substrate of the tracking adhesive product.
12. The tracking adhesive product of claim 11 , wherein the peripheral sidewalls comprise extensions of one or both of the flexible cover and the flexible substrate.
13. The tracking adhesive product of claim 1 , wherein the flexible substrate and the pressure sensitive adhesive layer are elements of a prefabricated adhesive tape.
14. The tracking adhesive product of claim 1 , the flexible cover is an element of a prefabricated adhesive tape.
15. The tracking adhesive product of claim 1 , wherein the sensor is one of a capacitive sensor, a pressure sensor, a humidity sensor, a light sensor, a sound sensor, an altimeter, a gyrator, an accelerometer, a temperature sensor, a flex sensor, and a strain sensor.
16. The tracking adhesive product of claim 1 , wherein the flexible cover comprises visible demarcations of respective sections of the tracking adhesive product that correspond to the segments.
17. The tracking adhesive product of claim 1 , in the form of a roll comprising the plurality of segments.
18. The tracking adhesive product of claim 1 , in the form of a planar sheet comprising the plurality of segments.
19. A tracking adhesive product, comprising:
a plurality of segments of a flexible laminated structure comprising a flexible cover and a flexible substrate laminated to a pressure sensitive adhesive layer;
wherein each segment includes components comprising:
an antenna;
a wireless communications system coupled to the antenna;
a processor coupled to the wireless communications system;
an energy source coupled to the processor and the wireless communications system;
at least one non-transitory processor-readable medium comprising instructions which, when executed by the processor, configures the processor to perform operations comprising controlling the wireless communications system to communicate wireless messages with one or more network nodes associated with a locationing service; and
wherein, in each of the plurality of segments, one or more of the components are arranged in a first device layer and one or more other ones of the components are arranged in a second device layer below the first device layer.
20. The tracking adhesive product of claim 19 , further comprising between the first and second device layers an interposer comprising one or more through-interposer vias electrically coupling one or more of the components in the first device layer with one or more of the components in the second device layer.
21. A tracking adhesive product, comprising:
a plurality of segments of a flexible laminated structure comprising a flexible cover and a flexible substrate laminated to a pressure sensitive adhesive layer;
wherein each segment includes components comprising:
an antenna;
a wireless communications system coupled to the antenna;
a processor coupled to the wireless communications system;
an energy source coupled to the processor and the wireless communications system;
at least one non-transitory processor-readable medium comprising instructions which, when executed by the processor, configures the processor to perform operations comprising controlling the wireless communications system to communicate wireless messages with one or more network nodes associated with a locationing service; and
wherein each of the plurality of segments is configured to automatically turn on in response to separation of the respective segment from the tracking adhesive product.
22. A tracking adhesive product, comprising:
a plurality of segments of a flexible laminated structure comprising a flexible cover and a flexible substrate laminated to a pressure sensitive adhesive layer;
wherein each segment includes components comprising:
an antenna;
a wireless communications system coupled to the antenna;
a processor coupled to the wireless communications system;
an energy source coupled to the processor and the wireless communications system;
at least one non-transitory processor-readable medium comprising instructions which, when executed by the processor, configures the processor to perform operations comprising controlling the wireless communications system to communicate wireless messages with one or more network nodes associated with a locationing service; and
a wake circuit that delivers power from the respective energy source to the respective processor and the respective wireless communications system in response to an event.
23. The tracking adhesive product of claim 22 , wherein, in each of the plurality of segments, the respective wake circuit delivers power to the processor and the wireless communications system in response to a cut across the tracking adhesive product that creates an open circuit in an electrical path of the respective wake circuit.
24. The tracking adhesive product of claim 22 , wherein each of the plurality of segments comprises a respective sensor, and the respective wake circuit delivers power to the respective processor and the respective wireless communications system in response to an output of the sensor.
25. The tracking adhesive product of claim 24 , wherein, in each of the plurality of segments, the respective sensor is a strain sensor that produces a wake signal based on a change in strain in the respective segment.
26. The tracking adhesive product of claim 24 , wherein, in each of the plurality of segments, the respective sensor is a capacitive sensor that produces a wake signal based on a change in capacitance in the respective segment.
27. The tracking adhesive product of claim 24 , wherein, in each of the plurality of segments, the respective sensor is a near field communications sensor that produces a wake signal based on a change in inductance in the respective segment.