Presentation device and method for operating the device

• US 9,529,434 B2
• Filed: 01/22/2014
• Issued: 12/27/2016
• Est. Priority Date: 06/17/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Choi, Chang Mok, Kim, Sang Joon, Bae, Sang Kon, Yoon, Seung Keun
• Primary Examiner(s): Sasinowski, Andrew
• Application Number:
  US14/161,145
• Publication Number:
  US 20140368424A1
• Time in Patent Office: 1,070 Days
• US Class Current: 1/1
• CPC Class Codes: A61B 5/389 Electromyography [EMG]
• CPC Class Codes: G01C 21/3664 Details of the user input interface, e.g. buttons, knobs or sliders, including those provided on a touch screen; remote controllers; input using gestures
• CPC Class Codes: G01C 21/367 Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker
• CPC Class Codes: G01C 21/3676 Overview of the route on the road map
• CPC Class Codes: G06F 2203/04806 Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
• CPC Class Codes: G06F 3/015 Input arrangements based on nervous system activity detection, e.g. brain waves [EEG] detection, electromyograms [EMG] detection, electrodermal response detection
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

A presentation device and an method of operating the presentation device may quickly move to a desired area on a map by adjusting a level of an electromyographic (EMG) signal even though a range of a motion of an arm is limited when searching the map using a wearable mobile device. The presentation device includes a first sensor unit configured to contact a measurement target and to obtain an electromyographic (EMG) signal from the measurement target; and a display controller configured to control a field of view (FOV) window for displaying a map area based on the EMG signal.

Claims

1. A presentation device, comprising:

a first sensor unit configured to contact a measurement target and to obtain an electromyographic (EMG) signal from the measurement target; and

a display controller configured to control a field of view (FOV) window for displaying a map area based on the EMG signal,

wherein the display controller is further configured to

control the FOV window to move on the map in proportion to the magnitude of the obtained EMG signal upon determining that the EMG signal is obtained within a short period of time,

control the FOV window to move on the map at a predetermined low speed upon determining that the EMG signal is obtained over a long period of time,

adjust a speed of the FOV window associated with a second map area that does not include the displayed map area to be greater than a speed of the FOV window associated with the displayed map area, and

control the FOV to move on the map at a predetermined minimum speed, when a strain is not applied to a finger.

2. The presentation device of claim 1, further comprising:

a second sensor unit configured to obtain an acceleration signal by sensing a motion of the measurement target,

wherein the display controller is configured to move the FOV window toward a direction identified by the acceleration signal.

3. The presentation device of claim 1, wherein the display controller is configured to adjust a zooming speed of the FOV window in response to a magnitude of the obtained EMG signal.

4. The presentation device of claim 3, wherein the display controller is configured to adjust a zooming speed of the FOV window associated with displaying a map area that includes the displayed map area to be greater than a zooming speed of the FOV window associated with displaying a portion of the displayed map area.

5. The presentation device of claim 3, further comprising:

a second sensor unit configured to obtain an acceleration signal by sensing a motion of the measurement target,

wherein the display controller is configured to increase or decrease a size of a map area associated with the FOV window, based on a direction identified by the acceleration signal.

6. The presentation device of claim 1, wherein the first sensor unit is configured to obtain the EMG signal generated in response to at least one of a muscular contraction or a muscular relaxation of the measurement target.

7. The presentation device of claim 1, wherein the map area is displayed on a display unit.

8. The presentation device of claim 1, wherein the electromyographic (EMG) signal includes one or more of a bioelectric/magnetic signal, a bio-impedance signal, and a biomechanical signal.

9. The presentation device of claim 1, wherein the first sensor unit contacts the wrist of the measurement target.

10. The presentation device of claim 9, wherein the first sensor unit contacts the wrist of the measurement target by surrounding the entire wrist;

and

wherein the first sensor is spread throughout the wrist.

11. The presentation device of claim 1, wherein the display controller is configured to control multiple separate logical displays permitting different content to be displayed on the logical displays.

12. The presentation device of claim 1, wherein the magnitude of the obtained EMG signal is divided into subsections.

13. A method of operating a presentation device, the method comprising:

obtaining an electromyographic (EMG) signal from a measurement target using a first sensor unit in contact with the measurement target; and

controlling a field of view (FOV) window to determine a map area to be displayed based on the EMG signal,

wherein the controlling the FOV window comprises

controlling the FOV window to move on the map in proportion to the magnitude of the obtained EMG signal upon determining that the EMG signal is obtained within a short period of time,

controlling the FOV window to move on the map at a predetermined low speed upon determining that the EMG signal is obtained over a long period of time,

controlling the FOV window by adjusting a speed of the FOV window associated with a second map area that does not include the displayed map area to be greater than a speed of the FOV window associated with the displayed map area, and

controlling the FOV window to move on the map at a predetermined minimum speed, when a strain is not applied to a finger.

14. The method of claim 13, further comprising:

obtaining an acceleration signal by sensing a motion of the measurement target, using a second sensor unit,

wherein the controlling the FOV window comprises controlling the FOV window by moving the FOV window toward a direction identified by the acceleration signal.

15. The method of claim 13, wherein the controlling the FOV window comprises controlling the FOV window by adjusting a zooming speed of the FOV window in response to a magnitude of the obtained EMG signal.

16. The method of claim 15, wherein the controlling the FOV window comprises controlling the FOV window by adjusting a zooming speed of the FOV window associated with displaying a map area that includes the displayed map area to be greater than a zooming speed of the FOV window associated with displaying a portion of the displayed map area.

17. The method of claim 15, further comprising:

obtaining an acceleration signal by sensing a motion of the measurement target, using a second sensor unit,

wherein the controlling the FOV window comprises controlling the FOV window by increasing or decreasing a size of a map area associated with the FOV window based on a direction identified by the acceleration signal.

18. A presentation device, comprising:

a first sensor unit configured to contact a measurement target and to obtain an electromyographic (EMG) signal from the measurement target;

a second sensor unit configured to obtain an acceleration signal by sensing a motion of the measurement target; and

a display controller configured to control a field of view (FOV) window for displaying a map area based on at least one of the EMG signal or a direction identified by the acceleration signal,

wherein the display controller is further configured to

control the FOV window to move on the map in proportion to the magnitude of the obtained EMG signal upon determining that the EMG signal is obtained within a short period of time,

control the FOV window to move on the map at a predetermined low speed upon determining that the EMG signal is obtained over a long period of time,

adjust a speed of the FOV window associated with a second map area that does not include the displayed map area to be greater than a speed of the FOV window associated with the displayed map area, and

control the FOV window to move on the map at a predetermined minimum speed, when a strain is not applied to a finger.

19. The presentation device of claim 18, wherein the display controller is configured to control the FOV window to display a second map area that is greater than the displayed map area in response to a upward motion of the measurement target.

20. The presentation device of claim 18, wherein the display controller is configured to control the FOV window to display a second map area that is smaller than the displayed map area in response to a downward motion of the measurement target.

21. The presentation device of claim 18, wherein the presentation device is a mobile device.

22. The presentation device of claim 21, wherein the mobile device comprises a display unit configured to display the map area.

23. The presentation device of claim 18, wherein the presentation device is a wearable smart device.