Claims
- 1. A rechargeable energy device, comprising:
an energy source; a wireless communication device attached to said energy source and adapted to receive an energy-bearing signal; and said wireless communication device adapted to recharge said energy source when said energy source exceeds a threshold energy level.
- 2. The device of claim 1, wherein said energy source contains a separator to form a slot and wherein said wireless communication device is coupled to said slot to form a slot antenna for receiving said energy-bearing signal.
- 3. The device of claim 1, wherein said wireless communication device further comprises a control system to control said energy-bearing signal for energy to said wireless communication device to recharge said energy source.
- 4. The device of claim 1, wherein said wireless communication device directs said energy-bearing signal to power said wireless communication device and to recharge said energy source.
- 5. The device of claim 1, wherein said wireless communication device further comprises a communication electronics that receives said energy-bearing signal and limits the voltage of said energy-bearing signal directed to said energy source.
- 6. The device of claim 3, wherein said control system monitors said energy source to determine if said energy source is fully charged.
- 7. The device of claim 3, wherein said wireless communication device further comprises a communication electronics that receives said energy-bearing signal and wherein said control system mismatches the impedance of said communication electronics if the voltage of the energy source exceeds a threshold energy level.
- 8. The device of claim 1, wherein said wireless communication device is adapted to receive a high frequency energy-bearing signal to recharge said energy source.
- 9. The device of claim 8, wherein said wireless communication device further comprises
a control system connected to said energy source; a first node coupled to said antenna; a second node coupled to said antenna; a first diode connected to said first node and said second node; a second diode connected to said first node and a third node; a capacitor connected to said third node and said first node; said control system and the energy source connected to said second node; an impedance connected to said first node and said control system; and said third node connected to said control system.
- 10. The device of claim 8, wherein said high frequency is comprised from the group consisting of around about 915 MHz and around about 2.45 GHz.
- 11. The device of claim 1, wherein said wireless communication device is adapted to receive a low frequency energy-bearing signal to recharge said energy source.
- 12. The device of claim 11, wherein said wireless communication device further comprises
a control system connected to said energy source; a first node coupled to said antenna; a second node coupled to said antenna; a first diode connected to said first node and said second node; a second diode connected to said first node and a third node; a capacitor connected to said third node and said first node; said control system and the energy source connected to said second node; an impedance connected to said first node and said control system; said third node connected to said control system; and an inductor connected to said third node and said control system to form a frequency dependant circuit.
- 13. The rechargeable energy source of claim 12, wherein said low frequency is around about 125 KHz.
- 14. The device of claim 3, wherein said control system further comprises a state machine to control the recharging of said energy source.
- 15. The device of claim 14, wherein said state machine comprises an off state wherein said energy source is below a threshold energy level.
- 16. The device of claim 14, wherein said state machine transitions to a sleep state wherein said wireless communication device consumes minimal energy.
- 17. The device of claim 16, wherein said control system transitions to said sleep state when said energy source falls below a threshold energy level.
- 18. The device of claim 14, wherein said state machine comprises a wake state wherein said wireless communication device consumes medium power.
- 19. The device of claim 18, wherein said control system transitions to said wake state when said energy source exceeds a threshold energy level.
- 20. The device of claim 14, wherein said state machine further comprises an active state wherein said wireless communication device consumes medium power and communicates information wirelessly.
- 21. The device of claim 20, wherein said control system transitions to said active state when said wireless communication device detects a communication signal.
- 22. The device of claim 3, wherein said control system executes a software on a memory coupled to said control system to control the recharging of said energy source.
- 23. A rechargeable energy device, comprising:
an energy source; a wireless communication device attached to said energy source and adapted to receive information through a communication signal; and said wireless communication device adapted to recharge said energy source using said communication signal if said communication signal exceeds a threshold energy level.
- 24. A rechargeable energy device, comprising:
an energy source; a wireless communication device attached to said energy source; said wireless communication device containing a communication electronics coupled to an antenna for receiving an energy-bearing signal for recharging said energy source; and said communication electronics adapted to mismatch its impedance from said antenna if said energy source is fully charged.
- 25. A wireless communication energy source recharging system, comprising:
an energy source; a wireless communication device attached to said energy source; a transmitter adapted to transmit an energy-bearing signal wirelessly to said wireless communication device; and said wireless communication device adapted to receive an energy-bearing signal and recharge said energy source if said energy-bearing signal is above a threshold voltage.
- 26. The system of claim 25, wherein said energy-bearing signal is also a communication signal.
- 27. The system of claim 25, wherein said wireless communication device communicates information back to said transmitter by reflecting said energy-bearing signal to said transmitter.
- 28. The system of claim 26, wherein said wireless communication device only uses said communication signal for information if said energy source is fully charged.
- 29. The system of claim 26, wherein said communication signal contains information comprised from the group consisting of identification information, tracking information, and manufacturing information.
- 30. The device of claim 25, wherein said energy-bearing signal contains a clock signal.
- 31. The system of claim 30, wherein said clock signal is a Manchester data stream.
- 32. A method of recharging an energy source coupled to a wireless communication device, comprising the steps of:
placing the wireless communication device in range of an energy-bearing signal; receiving said energy-bearing signal; and recharging the energy source with said energy-bearing signal.
- 33. The method of claim 32, wherein said charging is performed only when the energy of said energy source is below a threshold level.
- 34. The method of claim 32, wherein said charging is discontinued if said energy source is charged above a threshold level.
- 35. The method of claim 32, further comprising discontinuing recharging if said energy source is fully charged.
- 36. The method of claim 35, wherein said discontinuing further comprises mismatching the frequency response of the wireless communication device from said energy-bearing signal.
- 37. The method of claim 32, wherein said recharging further comprises switching said energy-bearing signal to said energy source.
- 38. The method of claim 35, wherein said discontinuing further comprises switching said energy-bearing signal away from said energy source.
- 39 The method of claim 32, further comprising entering into an active state when a communication signal is detected by the wireless communication device.
- 40. The method of claim 39, further comprising powering the wireless communication device and recharging said energy source from said communication signal.
- 41. The method of claim 39, further comprising discontinuing said recharging if said communication signal is below a threshold energy level.
- 42. The method of claim 32, further comprising regulating energy consumption of said energy source by the wireless communication device.
RELATED APPLICATION
[0001] This application claims priority and the benefit of U.S. Provisional Patent Application Serial No. 60/375,247 filed Apr. 24, 2002, which is incorporated by reference herein in its entirety and is related to U.S. patent application Ser. No. ______/______filed on Apr. 24, 2003, entitled “ENERGY SOURCE COMMUNICATION EMPLOYING SLOT ANTENNA” which is also incorporated by reference herein in its entirety.
Provisional Applications (1)
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Number |
Date |
Country |
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60375247 |
Apr 2002 |
US |