Head mounted wearable device power supply system

• US 10,528,081 B2
• Filed: 12/26/2014
• Issued: 01/07/2020
• Est. Priority Date: 12/26/2014
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Wong, Hong W., Yang, Songnan, Liang, Xiaoguo, Kwong, Wah Yiu, Wong, Cheong W
• Primary Examiner(s): Wilson, Adrian S
• Application Number:
  US15/531,712
• Publication Number:
  US 20170329365A1
• Time in Patent Office: 1,838 Days
• Field of Search: 36167903
• CPC Class Codes: A41B 1/00 Shirts
• CPC Class Codes: A41B 1/08 Details
• CPC Class Codes: A41D 1/002 adapted to accommodate electronic equipment patients' garments for medical monitoring A41D13/1281; luminous ornaments A41D27/085
• CPC Class Codes: A41D 1/005 with embedded cable or connector
• CPC Class Codes: A41D 1/02 Jackets
• CPC Class Codes: A41D 1/04 Vests, jerseys, sweaters or the like
• CPC Class Codes: A41D 1/18 Blouses
• CPC Class Codes: A41D 27/205 Pockets adapted to receive a mobile phone or other electronic equipment
• CPC Class Codes: A41D 3/00 Overgarments fur garments A41D5/00; for children A41D11/00; professional or sporting protective garments A41D13/00
• CPC Class Codes: A41D 3/005 with pullover structure
• CPC Class Codes: A41D 3/02 Overcoats
• CPC Class Codes: A41D 31/02 Layered materials characterised by special function or use A41D31/04
• CPC Class Codes: A41F 9/002 Free belts
• CPC Class Codes: G02B 2027/0178 Eyeglass type eyeglass details G02C
• CPC Class Codes: G02B 27/017 Head mounted
• CPC Class Codes: G06F 1/163 Wearable computers, e.g. on a belt
• CPC Class Codes: G06F 1/1635 Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter
• CPC Class Codes: G06F 1/1698 the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone details of antennas disposed inside a computer H01Q1/2266
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 : of the resonant type
• CPC Class Codes: H02J 7/0063 : with circuits adapted for supplying loads from the battery
• CPC Class Codes: H02J 7/007 : Regulation of charging or discharging current or voltage
• CPC Class Codes: H04B 5/24 : Inductive coupling
• CPC Class Codes: H04B 5/79 : for data transfer in combination with power transfer

Abstract

One embodiment provides an apparatus. The apparatus includes a source conductive path to couple to a load conductive path and to a power source. The source conductive path is included in a garment and the load conductive path is related to a head mounted wearable device (HMWD).

Claims

1. An apparatus comprising:

a source conductive path to detachably couple a power source to a load conductive path,

the source conductive path included in a garment and the load conductive path coupled to a head mounted wearable device (HMWD);

wherein, a transmitter coil of the source conductive path and a receiver coil of the load conductive path are magnetically coupled, via a magnetic induction coupling or a magnetic resonance coupling, to provide wireless energy transfer;

wherein the magnetic induction coupling uses magnetic induction with an operating frequency in the range of 50 Hz to 500 kHz and comprises;

a magnetic induction coupling distance between the transmitter coil and the receiver coil in the range of 5 mm to 10 mm; and

wherein the magnetic resonance coupling uses magnetic resonance with an operating frequency in the range of 1.0 MHz to 50 MHz and comprises;

a first magnetic resonance coupling distance between a first end of the transmitter coil and a first end of the receiver coil, and a second magnetic resonance coupling distance between a second end of the transmitter coil and a second end of the receiver coil, wherein the first magnetic resonance coupling distance is in the range of 20 mm to 40 mm and is less than the second magnetic resonance coupling distance.

2. The apparatus of claim 1, wherein the source conductive path comprises one or more of a mechanical coupling element, an electrical coupling element, and a magnetic coupling element.

3. The apparatus of claim 1, wherein the source conductive path is to carry a time varying waveform related to the power source.

4. An apparatus comprising:

a load conductive path to detachably couple to a source conductive path and to couple to a head mounted wearable device (HMWD) that comprises a load,

the source conductive path included in a garment;

wherein, a transmitter coil of the source conductive path and a receiver coil of the load conductive path are magnetically coupled, via a magnetic induction coupling or a magnetic resonance coupling, to provide wireless energy transfer;

wherein the magnetic induction coupling uses magnetic induction with an operating frequency in the range of 50 Hz to 500 kHz and comprises;

a magnetic induction coupling distance between the transmitter coil and the receiver coil in the range of 5 mm to 10 mm; and

wherein the magnetic resonance coupling uses magnetic resonance with an operating frequency in the range of 1.0 MHz to 50 MHz and comprises;

a first magnetic resonance coupling distance between a first end of the transmitter coil and a first end of the receiver coil, and a second magnetic resonance coupling distance between a second end of the transmitter coil and a second end of the receiver coil, wherein the first magnetic resonance coupling distance is in the range of 20 mm to 40 mm and is less than the second magnetic resonance coupling distance.

5. The apparatus of claim 4, wherein the load conductive path comprises one or more of a mechanical coupling element, an electrical coupling element, and a magnetic coupling element.

6. The apparatus of claim 4, wherein the load conductive path is to carry a time varying waveform related to a power source.

7. A system comprising:

a power source; and

a garment comprising a source conductive path to detachably couple to a load conductive path and to couple to the power source, the load conductive path coupled to a head mounted wearable device (HMWD);

wherein, a transmitter coil of the source conductive path and a receiver coil of the load conductive path are magnetically coupled, via a magnetic induction coupling or a magnetic resonance coupling, to provide wireless energy transfer;

wherein the magnetic induction coupling uses magnetic induction with an operating frequency in the range of 50 Hz to 500 kHz and comprises;

a magnetic induction coupling distance between the transmitter coil and the receiver coil in the range of 5 mm to 10 mm; and

wherein the magnetic resonance coupling uses magnetic resonance with an operating frequency in the range of 1.0 MHz to 50 MHz and comprises;

a first magnetic resonance coupling distance between a first end of the transmitter coil and a first end of the receiver coil, and a second magnetic resonance coupling distance between a second end of the transmitter coil and a second end of the receiver coil, wherein the first magnetic resonance coupling distance is in the range of 20 mm to 40 mm and is less than the second magnetic resonance coupling distance.

8. The system of claim 7, wherein the garment is selected from the group comprising a shirt, a blouse, a jacket, a vest, a sweater, a pullover, a coat and a belt.

9. The system of claim 7, wherein the garment comprises a plurality of layers and the source conductive path is included in at least one layer.

10. The system of claim 7, wherein the source conductive path is to at least partially encircle a neck region of the garment.

11. The system of claim 7, wherein the garment comprises a coupling region, at least a portion of the source conductive path included in the coupling region.

12. The system of claim 7, wherein the source conductive path comprises at least one of a group that includes a mechanical coupling element, an electrical coupling element, and a magnetic coupling element.

13. A system comprising:

a strap to couple to a head mounted wearable device (HMWD) that includes a load; and

a load conductive path coupled to the load, the load conductive path to detachably couple to a source conductive path,

the source conductive path included in a garment that is distinct and separate from the HMWD;

wherein, a transmitter coil of the source conductive path and a receiver coil of the load conductive path are magnetically coupled, via a magnetic induction coupling or a magnetic resonance coupling, to provide wireless energy transfer;

wherein the magnetic induction coupling uses magnetic induction with an operating frequency in the range of 50 Hz to 500 kHz and comprises;

a magnetic induction coupling distance between the transmitter coil and the receiver coil in the range of 5 mm to 10 mm; and

wherein the magnetic resonance coupling uses magnetic resonance with an operating frequency in the range of 1.0 MHz to 50 MHz and comprises;

a first magnetic resonance coupling distance between a first end of the transmitter coil and a first end of the receiver coil, and a second magnetic resonance coupling distance between a second end of the transmitter coil and a second end of the receiver coil, wherein the first magnetic resonance coupling distance is in the range of 20 mm to 40 mm and is less than the second magnetic resonance coupling distance.

14. The system of claim 13, wherein at least a portion of the load conductive path is included in the strap.

15. The system of claim 13, wherein at least a portion of the strap is rigid, semi-rigid or flexible.

16. The system of claim 13, wherein at least a portion of the strap is to align with a coupling region in the garment.

17. The system of claim 13, wherein the load conductive path comprises at least one of a group that includes a mechanical coupling element, an electrical coupling element, and a magnetic coupling element.

18. The system of claim 13, wherein the strap comprises the receiver coil.