Portable device and method for controlling the same

• US 8,952,893 B2
• Filed: 02/04/2014
• Issued: 02/10/2015
• Est. Priority Date: 02/06/2012
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Yongsin, Kim, Jihwan, Kim, Jihyun
• Primary Examiner(s): HARRIS, DOROTHY H
• Application Number:
  US14/172,703
• Publication Number:
  US 20140152554A1
• Time in Patent Office: 371 Days
• Field of Search: 345/156
• US Class Current: 345/156
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/1652 the display being flexible, e.g. mimicking a sheet of paper, or rollable
• CPC Class Codes: G06F 1/1694 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
• CPC Class Codes: G06F 2200/1614 Image rotation following screen orientation, e.g. switching from landscape to portrait mode
• CPC Class Codes: G06F 2200/1637 Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer
• CPC Class Codes: G06F 2203/04102 Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
• CPC Class Codes: G06F 3/002 Specific input/output arrangements not covered by G06F3/01 - G06F3/16 other optical apparatus G02B27/00
• CPC Class Codes: G06F 3/01 Input arrangements or combined input and output arrangements for interaction between user and computer G06F3/16 takes precedence
• 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 3/016 Input arrangements with force or tactile feedback as computer generated output to the user
• CPC Class Codes: G06F 3/03 Arrangements for converting the position or the displacement of a member into a coded form
• CPC Class Codes: G06F 3/0317 in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface
• CPC Class Codes: G06F 3/033 Pointing devices displaced or positioned by the user , e.g. mice, trackballs, pens or joysticks; Accessories therefor digitisers characterised by the transducing means G06F3/041
• 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 3/038 Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
• CPC Class Codes: G06F 3/0482 Interaction with lists of selectable items, e.g. menus
• CPC Class Codes: G06F 3/04845 for image manipulation, e.g. dragging, rotation, expansion or change of colour
• CPC Class Codes: G06T 19/006 Mixed reality object pose determination, tracking or camera calibration for mixed reality G06T7/00
• CPC Class Codes: H04M 1/0268 including a flexible display panel
• CPC Class Codes: H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion telephones including GPS signal receivers H04M2250/10

Abstract

A method for controlling a portable device is provided. The method includes detecting bending of the portable device and determining whether to perform motion sensing correction due to the bending; acquiring a motion sensing correction factor for performing the motion sensing correction due to the bending; performing motion sensing correction of at least one motion sensor using the motion sensing correction factor; and controlling the portable device according to the corrected motion sensing.

Claims

1. A method for controlling a portable device, the method comprising:

detecting, by the portable device, that bending of at least one portion of the portable device has occurred, the portable device including at least one motion sensor configured to detect a movement of the portable device;

determining whether motion sensing correction of the bent portable device is necessary by detecting whether the at least one bent portion of the portable device affects motion sensing of the at least one motion sensor;

when a primary direction of the portable device is changed by motion of the portable device,

acquiring at least one motion sensing correction factor for performing the motion sensing correction due to the bending based on the determination result;

performing motion sensing correction of the at least one motion sensor using the at least one motion sensing correction factor; and

carrying out an operation in the bent portable device according to the corrected motion sensing of the at least one motion sensor when the determination result indicates that the motion sensing correction is necessary; and

when the primary direction of the portable device is changed by the bending of the portable device,

carrying out an operation in the bent portable device according to uncorrected motion sensing of the at least one motion sensor when the determination result indicates that the motion sensing correction is not necessary,

wherein the portable device determines the primary direction of the portable device based on at least one of a camera, a GPS sensor, a geomagnetic sensor, a gravity sensor and a slope sensor of the portable device, and

wherein the primary direction of the portable device is a direction to which the camera included in the portable device is pointing.

2. The method according to claim 1, wherein the at least one motion sensing correction factor includes at least one of a direction change and a position change of the at least one motion sensor due to the bending of the portable device.

3. The method according to claim 1, wherein the performing the motion sensing correction of the at least one motion sensor includes:

resetting a sensing reference of the at least one motion sensor using the at least one motion sensing correction factor; and

performing motion sensing according to the reset sensing reference.

4. The method according to claim 1, wherein the performing the motion sensing correction of the at least one motion sensor includes:

performing motion sensing; and

correcting a result of the motion sensing using the at least one motion sensing correction factor.

5. The method according to claim 1, wherein the motion sensing includes at least one of sensing of a position change, a slope change, an orientation change, a direction change, a speed change, an acceleration change, and an angular speed change of the portable device.

6. The method according to claim 1, wherein the controlling the bent portable device according to the corrected motion sensing includes controlling the display of the portable device according to a rotation of the portable device sensed by the portable device.

7. The method according to claim 1, wherein the controlling the bent portable device according to the corrected motion sensing includes transmitting a control signal of an external device according to a movement of the portable device sensed by the portable device.

8. The method according to claim 1, wherein the controlling the bent portable device according to the corrected motion sensing includes controlling an application that is being executed by the portable device according to the motion sensing.

9. A portable device comprising:

a bending sensor configured to detect that bending of at least one portion of the portable device has occurred;

at least one motion sensor configured to detect a movement of the portable device; and

a controller configured to determine whether motion sensing correction of the bent portable device is necessary by detecting whether the at least one bent portion of the portable device affects motion sensing of the at least one motion sensor,

wherein when a primary direction of the portable device is changed by motion of the portable device, the controller acquires at least one motion sensing correction factor for performing the motion sensing correction due to the bending, and corrects motion sensing of the at least one motion sensor using the at least one motion sensing correction factor, and carries out an operation in the portable device according to the corrected motion sensing of the motion sensor when the motion sensing correction is necessary,

wherein when the primary direction of the portable device is changed by the bending of the portable device, the controller carries out an operation in the portable device according to uncorrected motion sensing of the motion sensor when the motion sensing correction is not necessary,

wherein the portable device determines the primary direction of the portable device based on at least one of a camera, a GPS sensor, a geomagnetic sensor, a gravity sensor and a slope sensor of the portable device, and

wherein the primary direction of the portable device is a direction to which the camera included in the portable device is pointing.

10. The portable device according to claim 9, wherein the at least one motion sensing correction factor includes at least one of a direction change and a position change of the at least one motion sensor due to the bending of the portable device.

11. The portable device according to claim 9, wherein the controller resets a sensing reference of the at least one motion sensor using the at least one motion sensing correction factor and controls the at least one motion sensor to perform the motion sensing according to the reset sensing reference.

12. The portable device according to claim 9, wherein, when the at least one motion sensor performs the motion sensing, the controller corrects a result of the motion sensing using the at least one motion sensing correction factor.

13. The portable device according to claim 9, wherein the at least one motion sensor includes at least one of the GPS sensor, the slope sensor, the geomagnetic sensor, the gravity sensor, a gyro sensor, and an acceleration sensor.

14. The portable device according to claim 9, further comprising the display, wherein the controller controls the display of the portable device according to a rotation of the portable device sensed by the portable device.

15. The portable device according to claim 9, wherein the controller transmits a control signal of an external device according to a movement of the portable device sensed by the portable device.

16. The portable device according to claim 9, wherein the controller controls an application that is being executed by the portable device according to the motion sensing.