Systems and methods for determining input movement

• US 10,048,768 B2
• Filed: 01/22/2016
• Issued: 08/14/2018
• Est. Priority Date: 01/22/2016
• Status: Expired due to Fees

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Laboratories of America Incorporated (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Jin, Hong, Ishii, Atsushi
• Primary Examiner(s): Elahi, Towfiq
• Application Number:
  US15/004,230
• Publication Number:
  US 20170212596A1
• Time in Patent Office: 935 Days
• CPC Class Codes: G06F 2203/0331 Finger worn pointing device
• CPC Class Codes: G06F 3/017 Gesture based interaction, e.g. based on a set of recognized hand gestures interaction based on gestures traced on a digitiser G06F3/04883
• CPC Class Codes: G06F 3/0236 using selection techniques to select from displayed items
• CPC Class Codes: G06F 3/0346 with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
• CPC Class Codes: G06F 3/0383 Signal control means within the pointing device
• CPC Class Codes: G06F 3/0487 using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
• CPC Class Codes: G06F 3/04897 Special input arrangements or commands for improving display capability

Abstract

An electronic device for detecting input movement is described. The electronic device includes a processor. The processor is configured to obtain an acceleration signal from a finger-mounted device. The processor is also configured to obtain a rotation signal from the finger-mounted device. The processor is further configured to determine an input movement based on at least one peak of at least one of the acceleration signal and the rotation signal.

Claims

1. An electronic device for detecting input movement, comprising:

a processor configured to;

obtain an acceleration signal from a finger-mounted device;

obtain a rotation signal from the finger-mounted device; and

determine an input movement based on at least one peak amplitude of at least one of the acceleration signal and the rotation signal;

determine whether a directional movement is detected based on at least one of the acceleration signal and the rotation signal and, when a sideways movement is detected, the processor determining whether the direction of sideways movement is left or right;

determining whether a positive peak amplitude of the acceleration signal is greater than a positive peak threshold and determining whether a negative peak amplitude of the acceleration signal is less than a negative peak threshold; and

determining an order of peak amplitudes, wherein the direction of sideways movement is determined by whether a positive peak amplitude occurs before a negative peak amplitude or a negative peak amplitude occurs before a positive peak amplitude.

2. The electronic device of claim 1, wherein the processor is configured to pre-process the acceleration signal and the rotation signal.

3. The electronic device of claim 1, wherein the processor is configured to determine whether a tap is detected based on at least one of the acceleration signal and the rotation signal.

4. The electronic device of claim 1, wherein the processor is configured to determine whether a peak amplitude of the acceleration signal is higher than a tap threshold to determine whether a tap is detected.

5. The electronic device of claim 1, wherein the processor is configured to determine an up movement based on a rotational signal peak and an accelerometer signal peak.

6. The electronic device of claim 1, wherein the electronic device is the finger-mounted device or is a separate electronic device.

7. The electronic device of claim 1, wherein the processor is configured to select a key based on the input movement.

8. The electronic device of claim 1, wherein the processor is configured to present visual feedback for the input movement on a display.

9. A method for detecting input movement, comprising:

obtaining an acceleration signal from a finger-mounted device;

obtaining a rotation signal from the finger-mounted device;

determining an input movement based on at least one peak amplitude of at least one of the acceleration signal and the rotation signal;

determining the input movement further comprising;

determining whether a directional movement is detected based on at least one of the acceleration signal and the rotation signal;

determining whether a positive peak amplitude of the acceleration signal is greater than a positive peak threshold; and

determining whether a negative peak amplitude of the acceleration signal is less than a negative peak threshold; and

determining whether a positive peak amplitude occurs before a negative peak amplitude or a negative peak amplitude occurs before a positive leak amplitude the input movement comprises determining a left movement in a case that the positive peak occurs before the negative peak or a right movement in a case that the negative peak occurs before the positive peak.

10. The method of claim 9, further comprising pre-processing the acceleration signal and the rotation signal.

11. The method of claim 9, wherein determining the input movement comprises determining whether a tap is detected based on at least one of the acceleration signal and the rotation signal.

12. The method of claim 9, wherein determining the input movement comprises determining whether a peak amplitude of the acceleration signal is higher than a tap threshold to determine whether a tap is detected.

13. The method of claim 9, wherein determining the input movement comprises determining an up movement based on a rotational signal peak and an accelerometer signal peak.

14. The method of claim 9, further comprising selecting a key based on the input movement.

15. The method of claim 9, further comprising presenting visual feedback for the input movement on a display.

16. A non-transitory computer-readable medium having instructions thereon, the instructions comprising:

code for causing an electronic device to obtain an acceleration signal from a finger-mounted device;

code for causing the electronic device to obtain a rotation signal from the finger-mounted device; and

code for causing the electronic device to determine an input movement direction based on at least one peak of at least one of the acceleration signal and the rotation signal; and

the code for causing the electronic device to determine an input movement direction further comprising code for;

determining whether a directional movement is detected based on at least one of the acceleration signal and the rotation signal;

determining whether a positive peak amplitude of the acceleration signal is greater than a positive peak threshold; and

determining whether a negative peak amplitude of the acceleration signal is less than a negative peak threshold; and

determining whether a positive peak amplitude occurs before a negative peak amplitude or a negative peak amplitude occurs before a positive peak amplitude.