Hall-effect sensor system for gesture recognition, information coding, and processing

• US 8,421,448 B1
• Filed: 01/28/2010
• Issued: 04/16/2013
• Est. Priority Date: 01/28/2010
• Status: Expired due to Fees

• Current Assignee: the united states of america as represented by the secretary of the navy
• Original Assignee: the united states of america as represented by the secretary of the navy
• Inventors: Tran, Nghia, Fugate, Sunny, Duffy, Lorraine, Phan, Hoa, Ceruti, Marion
• Primary Examiner(s): Aurora, Reena
• Application Number:
  US12/695,932
• Time in Patent Office: 1,174 Days
• Field of Search: 324/207.2
• US Class Current: 324/207.2
• CPC Class Codes: G01R 33/07 Hall effect devices
• CPC Class Codes: G06F 3/011 Arrangements for interaction with the human body, e.g. for user immersion in virtual reality blind teaching G09B21/00
• CPC Class Codes: G06F 3/014 Hand-worn input/output arrangements, e.g. data gloves

Abstract

A system includes a controller, a Hall-effect sensor and transceiver connected to the controller; and a flux-producing element having a plurality of magnetic flux lines emanating therefrom. The system may be secured to or contained within a wearable glove. The flux-producing element may be coupled to an object separate from the wearable glove. The Hall-effect sensor transmits a Hall-effect sensor signal to the controller when the Hall-effect sensor is perpendicular to at least some of the plurality of magnetic flux lines. The Hall-effect sensor signal may include data received from the flux-producing element. The controller transmits a controller signal to the transceiver after receiving the Hall-effect sensor signal. The controller signal may include input from a motion sensor and/or an orientation sensor connected to the controller. The transceiver may transmit the signal to a remote processor. The signal may be used for gesture recognition, information coding, and/or information processing.

Claims

1. A system comprising:

a controller;

a Hall-effect sensor connected to the controller;

a transceiver connected to the controller; and

a flux-producing element, having a plurality of magnetic flux lines emanating therefrom, wherein the Hall-effect sensor is configured to transmit a Hall-effect sensor signal to the controller when a non-zero resolved vector component of the motion of the Hall-effect sensor is perpendicular to the non-zero resolved vector component of at least some of the plurality of magnetic flux lines, and the controller is configured to transmit a controller signal to the transceiver after receiving the Hall-effect sensor signal.

2. The system of claim 1, wherein the transceiver is configured to transmit a transceiver signal to a remote processor via an antenna after receiving the controller signal.

3. The system of claim 2, wherein the transceiver signal comprises information from the controller signal.

4. The system of claim 1, further comprising a wearable glove having a palm portion and at least one finger portion, wherein the controller, transceiver, and flux-producing element are coupled to the palm portion and the Hall-effect sensor is coupled to the wearable glove near the tip of the at least one finger portion.

5. The system of claim 4, wherein the flux-producing element is coupled to the palm portion and oriented such that at least some of the plurality of magnetic flux lines extend below the palm portion.

6. The system of claim 1, further comprising a wearable glove having a palm portion and at least one finger portion, wherein the controller and transceiver are coupled to the palm portion and the at least one Hall-effect sensor is coupled to the wearable glove near the tip of the at least one finger portion.

7. The system of claim 6, wherein the flux-producing element is coupled to an object separate from the wearable glove.

8. The system of claim 7, wherein the Hall-effect sensor signal comprises data received from the flux-producing element.

9. The system of claim 1 further comprising:

an accelerometer connected to the controller; and

a gyroscope connected to the controller

wherein the controller signal comprises output from the accelerometer and the gyroscope.

10. The system of claim 1, wherein the at least one Hall-effect sensor is a plurality of Hall-effect sensors arranged in an array.

11. The system of claim 1, wherein the at least one flux-producing element is a plurality of flux-producing elements arranged in an array.

12. A system comprising:

a wearable glove having a palm portion and at least one finger portion;

a controller coupled to the palm portion;

a Hall-effect sensor, coupled to the tip of at least one of the finger portions, connected to the controller;

a transceiver, coupled to the palm portion, connected to the controller;

a flux-producing element, having a plurality of magnetic flux lines emanating therefrom, coupled to the palm portion, wherein the flux-producing element is oriented such that at least some of the plurality of magnetic flux lines extend below the palm portion; and

a power supply, coupled to the palm portion, connected to the controller and the transceiver

wherein the Hall-effect sensor is configured to transmit a Hall-effect sensor signal to the controller when at least one non-zero resolved vector component of the motion of the Hall-effect sensor is perpendicular to the non-zero resolved vector component of at least some of the plurality of magnetic flux lines, and the controller is configured to transmit a controller signal to the transceiver after receiving the Hall-effect sensor signal.

13. The system of claim 12 further comprising:

an accelerometer connected to the controller; and

a gyroscope connected to the controller

wherein the controller signal comprises output from the accelerometer and the gyroscope.

14. The system of claim 12, wherein the transceiver is configured to transmit a transceiver signal to a remote processor after receiving the controller signal.

15. A method comprising the steps of:

transmitting, from a Hall-effect sensor connected to a controller, a Hall-effect sensor signal to the controller when at least one non-zero resolved vector component of the motion of the Hall-effect sensor is perpendicular to a non-zero resolved vector component of at least some of the plurality of magnetic flux lines emanating from a flux-producing element;

transmitting, to the controller, output from a sensor connected to the controller;

generating a controller signal from the Hall-effect sensor signal and the output of the sensor; and

transmitting the controller signal to a transceiver connected to the controller.

16. The method of claim 15, wherein the sensor is an accelerometer.

17. The method of claim 15 further comprising the step of transmitting a transceiver signal to a remote processor via an antenna connected to the transceiver.

18. The method of claim 15, wherein the Hall-effect sensor, controller, flux-producing element, sensor, and transceiver are coupled to a wearable glove having a palm portion and at least one finger portion, wherein the controller, flux-producing element, sensor, and transceiver are coupled to the palm portion and the Hall-effect sensor is coupled near the tip of the at least one finger portion.

19. The method of claim 15, wherein the Hall-effect sensor, controller, sensor, and transceiver are coupled to a wearable glove having a palm portion and at least one finger portion, wherein the controller, sensor, and transceiver are coupled to the palm portion and the Hall-effect sensor is coupled near the tip of the at least one finger portion, and wherein the flux-producing element is coupled to an object separate from the wearable glove.