Method and apparatus for a self-powered RFID-readable pedometer
A device, system and method for analyzing a user's motion using a piezoelectric film to generate a plurality of deformation signals based upon an associated plurality of deformations, an EEPROM to record data associated with the plurality of deformation signals, and a transceiver to receive at least a portion of the recorded data from the EEPROM and to transmit data, wherein the analysis may determine an abnormality in the user's gait.
1. A device, comprising:
a piezoelectric film to generate a plurality of deformation signals based upon an associated plurality of deformations;
a real time clock to generate timing data;
an EEPROM to record data associated with the plurality of compression signals and the timing data;
an RFID tag to receive at least a portion of the recorded data from the EEPROM and to transmit at least a portion of the received data; and
a processor to analyze the deformation signals to determine abnormalities in a user's step,
wherein the device is a pedometer or gait sensor.
2. An apparatus comprising the device of claim 1 , wherein the apparatus is a footwear or a piece of clothing.
3. The device of claim 1 , wherein the deformation signals are analyzed in relation to the timing data.
4. A system for diagnosing a user's gait, the system comprising:
a plurality of the devices according to claim 1 , the plurality of the devices comprising a first device and a second device;
a reader to receive data from the transceivers of the first and second devices; and a processor to receive the data from the reader;
wherein the processor is configured to analyze the deformation signals generated by the first and second devices.
5. The system of claim 4 , wherein the first device and the second device are removably attached to a footwear.
6. The system of claim 4 , wherein the processor is configured to analyze the deformation signals generated by the plurality of the devices to determine if there is an abnormality in a user's gait.
7. The system of claim 4 , wherein a duration of the deformation signals is analyzed.
8. The system of claim 4 , wherein an amplitude of the deformation signals is analyzed.
9. The system of claim 4 , wherein an amplitude of the deformation signals is analyzed with respect to the duration of the deformation signals.
10. The system of claim 4 , wherein the reader is an RFID reader.
11. The system of claim 4 , wherein a deformation signal generated by the first device and a deformation signal generated by the second device are compare to diagnose the user's gait.
12. A method of diagnosing a user's gait, the method comprising:
obtaining or manufacturing a system for diagnosing a user's gait,
the system comprising:
a plurality of the devices, each device comprising a piezoelectric film to generate a plurality of deformation signals based upon an associated plurality of deformations; a real time clock to generate timing data; an EEPROM to record data associated with the plurality of compression signals and the timing data; and an a transceiver to receive at least a portion of the recorded data from the EEPROM and to transmit at least a portion of the received data, the plurality of the devices comprising a first device and a second device; a reader to receive data from the transceivers of the first and second devices; and a processor to receive the data from the reader; wherein the processor is configured to analyze the deformation signals generated by the first and second devices;
transmitting data from the first and second devices to a processor; and
analyzing the deformation signals generated by the first and second devices.
13. The method of claim 12 , further comprising producing data related to a user's gait based on the analyzing of the deformation signals.
14. The system of claim 12 , wherein the analyzing the deformation signals comprises analyzing a duration of the deformation signals.
15. The system of claim 12 , wherein the analyzing the deformation signals. comprises analyzing an amplitude of the deformation signals.
16. A system for diagnosing a user's gait, comprising:
a plurality of the devices, each device comprising a piezoelectric film to generate a plurality of deformation signals based upon an associated plurality of deformations; a real time clock to generate timing data; an EEPROM to record data associated with the plurality of compression signals and the timing data; and an a transceiver to receive at least a portion of the recorded data from the EEPROM and to transmit at least a portion of the received data, the plurality of the devices comprising a first device and a second device; a reader to receive data from the transceivers of the first and second devices; and a processor to receive the data from the reader; wherein the processor is configured to analyze the deformation signals generated by the first and second devices;
wherein the first and second devices are configured to transmit data to a processor that is configured to analyze the deformation signals generated by the first and second devices.
17. The device of claim 1 , wherein the device contains no batteries and electrical power in the device is self generated.
18. The device of claim 1 , wherein the device contains no batteries and electrical power in the device is self generated.
19. The device of claim 17 , wherein the device is a pedometer or a gait sensor.
20. The device of claim 18 , wherein the device is a pedometer or gait sensor.
21. The method of claim 12 , further comprising measuring a time between a heel strike and a toe strike.