WEARABLE IMPACT MEASUREMENT DEVICE WITH WIRELESS POWER AND DATA COMMUNICATION

• US 20140312834A1
• Filed: 04/18/2014
• Published: 10/23/2014
• Est. Priority Date: 04/20/2013
• Status: Abandoned Application

• Current Assignee: Board of Trustees of the Leland Stanford Junior University (Stanford Management Co.)
• Original Assignee: Board of Trustees of the Leland Stanford Junior University (Stanford Management Co.)
• Inventors: Camarillo, David B., Tanabe, Yuji, Poon, Ada, Wu, Lyndia Chun, Yeh, Alex
• Application Number:
  US14/256,722
• Publication Number:
  US 20140312834A1
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: H01Q 1/2291 used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN] H01Q1/241 takes precedence; WLAN in general H04W
• CPC Class Codes: H01Q 1/273 Adaptation for carrying or wearing by persons or animals
• CPC Class Codes: H01Q 5/321 within a radiating element or between connected radiating elements
• CPC Class Codes: H01Q 5/364 Creating multiple current paths
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H01Q 9/26 with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength resonant loop antennas H01Q7/00
• CPC Class Codes: H02J 2207/40 adapted for charging from various sources, e.g. AC, DC or multivoltage
• CPC Class Codes: H02J 50/001 Energy harvesting or scavenging
• CPC Class Codes: H02J 50/005 Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/0049 Detection of fully charged condition
• CPC Class Codes: H02J 7/342 The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging with circuits for polarity protection H02J7/0034
• CPC Class Codes: H02J 7/35 with light sensitive cells
• CPC Class Codes: H04B 5/24 Inductive coupling
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

Described herein is a wearable device for impact measurement with wireless power and communication capability. The wearable device includes a base member configured for placement on a human body, an electronic board affixed to the base member, and a rechargeable battery affixed to the base member. The device also includes a dual-band antenna printed on the electronic board for wireless power and data communication. Also provided are methods for charging the wearable device with different power sources.

Claims

1. A wearable device, comprising:

a base member configured for placement on a human subject;

a rechargeable battery affixed to the base member;

an electronic board affixed to the base member; and

a dual-band antenna printed on the electronic board for wireless power and data communication.

2. The device of claim 1, wherein the dual-band antenna is an asymmetric dipole antenna including a dipole arm and a loop connected to the dipole arm.

3. The device of claim 1, wherein the dual-band antenna comprises two monopole elements and a matching component connecting the two monopole elements.

4. The device of claim 1, wherein at least a part of the dual-band antenna is circumferential.

5. The device of claim 1, wherein the dual-band antenna is configured for both near field and far field communications.

6. The device of claim 1, wherein an operating frequency of a first band of the dual-band antenna is at least 100 times higher than an operating frequency of a second band of the dual-band antenna.

7. The device of claim 1, wherein a first band of the dual-band antenna is at least one of a Bluetooth and a Wi-Fi operating bands.

8. The device of claim 1, wherein a second band of the dual-band antenna is at least one of a near field communication and an inductive power transfer standard operating bands.

9. The device of claim 1, wherein the electronic board further comprises at least one sensor configured for motion measurement.

10. The device of claim 1, wherein the electronic board further comprises a circuit for indicating at least one of a power level, a vital sign, a temperature level, and an alarm signal.

11. The device of claim 1, wherein the electronic board further comprises:

a processor; and

a memory in electronic communication with the processor, the memory comprising program code configured to process sensor data.

12. The device of claim 1, wherein the electronic board and the rechargeable battery are hermetically sealed.

13. The device of claim 1, wherein the base member has a generally U-shaped form defining a channel to receive an upper or lower row of teeth of the human subject.

14. The device of claim 1, further comprising a daughter electronic board including a proximity sensor configured to measure a location of the device relative to the human subject.

15. The device of claim 1, further comprising a daughter electronic board including an additional antenna for at least one of wireless power and data communication.

16. A method of wirelessly powering a wearable device, comprising:

providing the wearable device, comprising

a base member configured for placement on a human body;

a rechargeable battery affixed to the base member;

an electronic board affixed to the base member; and

a dual-band antenna printed on the electronic board for wireless power and data communication;

providing a charging station for wireless communication with the wearable device, comprising;

a power source; and

an antenna configured to communicate with the wearable device;

transmitting wireless signals using the antenna on the charging station;

receiving the wireless signals using the dual-band antenna on the wearable device; and

charging the rechargeable battery on the wearable device with the wireless signals received.

17. The method of claim 16, wherein the charging station comprises at least one of a smartphone, a charging box, a wearable pack, a body garment, a helmet patch, a locker, and a mat on a sports field.

18. The method of claim 16, wherein the power source of eh charging station comprises at least one of a battery, an alternative current power supply, a universal serial bus device, a photovoltaic cell, a piezoelectric power generator, an electromagnetic power generator, a chemical battery using human saliva, a thermoelectric power generator, and an acoustic energy harvesting device.

19. The method of claim 16, wherein the antenna on the charging station is an antenna array

20. The method of claim 16, wherein the antenna on the charging station is matched with the dual-band antenna on the wearable device for power transfer.