Reverse battery protection device and operating method thereof

• US 9,772,605 B2
• Filed: 07/12/2016
• Issued: 09/26/2017
• Est. Priority Date: 10/08/2014
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Shim, Hongjo, Lim, Gukchan, Sohn, Youngho, Kim, Seonghyok, Kwon, Chohee, Kim, Hyunwoo
• Primary Examiner(s): KIM, TAE K
• Application Number:
  US15/208,491
• Publication Number:
  US 20160357154A1
• Time in Patent Office: 441 Days
• CPC Class Codes: A61B 2562/0219 Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
• CPC Class Codes: A61B 5/0015 characterised by features of the telemetry system
• CPC Class Codes: A61B 5/02427 Details of sensor
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: A61B 5/684 Indicating the position of the sensor on the body
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence
• CPC Class Codes: G04B 47/063 measuring physiological quantities, e.g. pedometers, heart-rate sensors, blood pressure gauges and the like
• CPC Class Codes: G04G 21/00 Input or output devices integrated in time-pieces
• CPC Class Codes: G06F 1/163 Wearable computers, e.g. on a belt
• CPC Class Codes: G06F 1/1684 Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
• 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 21/316 by observing the pattern of computer usage, e.g. typical user behaviour
• CPC Class Codes: G06F 21/32 using biometric data, e.g. fingerprints, iris scans or voiceprints
• 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 3/017 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 3/0304 Detection arrangements using opto-electronic means constructional details of pointing devices not related to the detection arrangement using opto-electronic means G06F3/033; optical digitisers G06F3/042
• 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 3/03547 Touch pads, in which fingers can move on a surface
• CPC Class Codes: G06F 3/038 Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
• CPC Class Codes: G06F 3/042 : by opto-electronic means
• CPC Class Codes: G06F 3/04817 : using icons graphical or visual programming using iconic symbols G06F8/34
• CPC Class Codes: G06F 3/0482 : Interaction with lists of selectable items, e.g. menus
• CPC Class Codes: G06F 3/0483 : Interaction with page-structured environments, e.g. book metaphor
• 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 3/04883 : for inputting data by handwriting, e.g. gesture or text
• CPC Class Codes: H04N 21/41407 : embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• CPC Class Codes: H04N 21/42201 : biosensors, e.g. heat sensor for presence detection, EEG sensors or any limb activity sensors worn by the user input arrangements for interaction with the human body based on nervous system activity detection G06F3/015
• CPC Class Codes: H04N 21/42202 : environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
• CPC Class Codes: H05K 5/0017 : with operator interface units

Abstract

A wearable device includes: a touch screen; an acceleration sensor configured to generate an acceleration signal; an optical sensor using a light source and configured to generate a touch interrupt signal; and a control unit configured to detect a wearing state of the wearable device, the wearing state of the wearable device including a not-wearing state for the wearable device, a wrist wearing state, and a hand gripping state on the basis of the acceleration signal and the touch interrupt signal, and to execute a function corresponding to the wearing state of the wearable device.

Claims

1. A wearable device comprising:

a main body;

a display located at a front side of the main body and configured to display information;

a heartbeat sensor located below the display and located at a rear side of the main body, wherein the heartbeat sensor comprises a light emitting unit and a light receiving unit, and wherein the heartbeat sensor is configured to detect a heartbeat using the light emitting unit and the light receiving unit; and

a controller operably coupled with the display and the heartbeat sensor, wherein the controller is configured to;

identify a wearing state of the wearable device and a non-wearing state of the wearable device using the light emitting unit and the light receiving unit;

display, on the display, a lock screen representing a lock state of the wearable device after identifying that the wearable device is in the identified wearing state;

change the lock state of the wearable device to a lock released state of the wearable device in response to receiving of a lock release command after identifying that the wearable device is in the wearing state;

continue the lock released state while the wearable device is in the wearing state;

change the lock state to the lock released state in response to receiving of the lock release command after identifying that the wearable device is in the non-wearing state; and

change the lock released state to the lock state after a predetermined time elapses while the wearable device is in the non-wearing state,

wherein the lock screen is a screen for limiting an access of an application in the wearable device, and

a lock released screen is a screen for allowing the access of the application in the wearable device.

2. The wearable device according to claim 1, wherein the controller is further configured to:

display, on the display, the lock released screen representing the lock released state in further response to the receiving of the lock release command.

3. The wearable device according to claim 2, wherein the lock released state continues when the lock released screen is changed to a black screen representing that power is not supplied to the display.

4. The wearable device according to claim 3, wherein the lock released screen is changed to the black screen after a predetermined time.

5. The wearable device according to claim 2, wherein the lock released screen includes an analog watch screen, a digital watch screen, or a home screen including a plurality of icons.

6. The wearable device according to claim 2, wherein the controller is further configured to:

change the lock released screen including a watch screen to a home screen including a plurality of icons when a tilt gesture is received while in the wearing state.

7. The wearable device according to claim 2, wherein the lock screen and the lock released screen include a digital watch screen.

8. The wearable device according to claim 2, wherein the controller is further configured to:

display the lock released screen that includes a watch screen when the lock state is released while in the wearing state.

9. The wearable device according to claim 8, wherein the watch screen disappears and a home screen is displayed when a command for displaying the home screen is input.

10. The wearable device according to claim 1, wherein the wearing state is a state that the heartbeat is detected and the non-wearing state is a state that the heartbeat is not detected.

11. The wearable device according to claim 1, wherein the controller is further configured to:

change the lock released state to the lock state, and display, on the display, the lock screen, when the wearing state changes to the non-wearing state.

12. The wearable device according to claim 11, wherein the controller is further configured to:

wherein the lock screen is displayed if a screen of the display is turned on.

13. The wearable device according to claim 1, wherein the lock release command is received at a code input screen while in the lock state, the code input screen including a plurality of areas which respectively correspond to a number.

14. The wearable device according to claim 13, wherein the controller is further configured to:

change the lock state to the lock released state when a predetermined code is received at the code input screen.

15. The wearable device according to claim 1, wherein the controller is further configured to:

display a message on the lock released screen when the lock state of the wearable device is released while in the wearing state.

16. The wearable device according to claim 1, wherein the light emitting unit is configured to emit a light, and the light receiving unit is configured to receive the light, and wherein the light emitting unit includes at least one of an infrared light emitting element, a red light emitting element, or a green light emitting element.

17. The wearable device according to claim 16, wherein the light emitting unit is configured to detect the heartbeat based on an amount of the light received from the light receiving unit.

18. The wearable device according to claim 1, wherein the non-wearing state or the wearing state is detected by using an infrared light emitting element of the lighting emitting unit.

19. The wearable device according to claim 1, wherein if the lock state of the wearable device is released while in the wearing state, the lock released state of the wearable device is continued while the wearing state is identified using the light emitting unit and the light receiving unit.

20. A wearable device comprising:

a main body;

a display located at a front side of the main body and configured to display information;

an acceleration sensor located in the main body;

a heartbeat sensor located below the display and located at a rear side of the main body, wherein the heartbeat sensor comprises a light emitting unit and a light receiving unit; and

a controller operably coupled with the display, the acceleration sensor and the heartbeat sensor, the controller configured to;

identify a wearing state of the wearable device and a non-wearing state of the wearable device using at least one of the acceleration sensor, or the light emitting unit and the light receiving unit;

display, on the display, a lock screen representing a lock state of the wearable device after identifying that the wearable device is in the identified wearing state;

change the lock state of the wearable device to a lock released state of the wearable device in response to receiving of a lock release command after identifying that the wearable device is in the wearing state;

continue the lock released state while the wearable device is in the wearing state;

change the lock state to the lock released state in response to receiving of the lock release command after identifying that the wearable device is in the non-wearing state; and

change the lock released state to the lock state after a predetermined time elapses while the wearable device is in the non-wearing state using at least one of the acceleration sensor, or the light emitting unit and the light receiving unit,

wherein the lock screen is a screen for limiting an access of an application in the wearable device, and

a lock released screen is a screen for allowing the access of the application in the wearable device.

21. The wearable device according to claim 20, wherein the controller is further configured to:

display, on the display, the lock released screen representing the lock released state in further response to the receiving of the lock release command.