Methods for detecting device context in order to alter touch capacitance

• US 10,551,984 B2
• Filed: 08/13/2018
• Issued: 02/04/2020
• Est. Priority Date: 10/14/2017
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Kies, Jonathan, Oliver, Robyn Teresa, Tartz, Robert, Brems, Douglas, Jalil, Suhail
• Primary Examiner(s): Kohlman, Christopher J
• Application Number:
  US16/101,750
• Publication Number:
  US 20190114005A1
• Time in Patent Office: 540 Days
• Field of Search: None
• CPC Class Codes: G06F 1/3231 Monitoring the presence, absence or movement of users
• CPC Class Codes: G06F 2203/04104 Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
• CPC Class Codes: G06F 2203/04106 Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
• CPC Class Codes: G06F 3/013 Eye tracking input arrangements G06F3/015 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 3/03547 Touch pads, in which fingers can move on a surface
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/04166 Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally G06F3/04184
• CPC Class Codes: G06F 3/044 by capacitive means
• CPC Class Codes: G06F 3/048 Interaction techniques based on graphical user interfaces [GUI]
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text
• CPC Class Codes: H03K 17/9622 using a plurality of detectors, e.g. keyboard
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

Methods, devices, non-transitory processor-readable media of various embodiments may enable contextual operation of a mobile computing device including a capacitive input sensor, which may be a rear area capacitive input sensor. In various embodiments, a processor of a mobile computing device including a rear area capacitive input sensor may monitor sensor measurements and generate an interaction profile based on the sensor measurements. The processor of the mobile computing device may determine whether the interaction profile is inconsistent with in-hand operation and may increase sensitivity of the capacitive input sensor in response to determining that the interaction profile is inconsistent with in-hand operation.

Claims

1. A method of operating capacitive input sensor of a mobile computing device, comprising:

generating, by a processor of the mobile computing device, an interaction profile based on sensor measurements;

determining, by the processor, whether the interaction profile is inconsistent with in-hand operation;

determining, by the processor, whether the mobile computing device is in a put-away state in response to determining that the interaction profile is inconsistent with in-hand operation; and

operating, by the processor, the mobile computing device in a put-away mode and increasing, by the processor, a sensitivity of a capacitive input sensor in response to determining that the mobile computing device is in the put-away state;

wherein the mobile computing device uses a first gesture profile in the put-away mode that is different than a second gesture profile used in a normal mode;

wherein the first gesture profile and the second gesture profile are configured such that the mobile computing device performs an operation in response to a selected user interaction with the capacitive input sensor in the put-away state that is different from an operation performed by the mobile computing device in response to the same selected user interaction in a normal state; and

wherein in response to the selected user interactions being one or more of a touch, a gesture, or a grip, the operation of the mobile computing device is a control of a wearable device.

2. The method of claim 1, wherein the sensor measurements are received by the processor from one or more of the capacitive input sensor, another capacitive sensor, an accelerometer, a camera, a microphone, a gyroscope, a heat sensor, an ambient light sensor, or a bolometer.

3. The method of claim 1, wherein in response to the selected user interactions being one or more of a touch, a gesture, or a grip, the operation of the mobile computing device is an operation to answer a call, start an application, silence an alert, turn on a screen, read out a message, read out a caller name, launch a camera, toggle a silent mode, adjust a volume, or control another device.

4. The method of claim 1, wherein the wearable device is a virtual reality head-mounted display or augmented reality glasses.

5. The method of claim 1, further comprising:

determining, by the processor, whether the mobile computing device is in a normal state while the mobile computing device is operating in the put-away mode; and

operating, by the processor, the mobile computing device in the normal mode in response to determining that the mobile computing device is in the normal state.

6. The method of claim 1, wherein:

generating the interaction profile based on sensor measurements comprises generating, by the processor, a capacitive profile based on capacitive input sensor measurements;

determining whether the interaction profile is inconsistent with in-hand operation comprises determining, by the processor, whether the capacitive profile is non-finger shaped;

determining whether the mobile computing device is in the put-away state in response to determining that the interaction profile is inconsistent with in-hand operation comprises determining, by the processor, whether one or more other sensor outputs indicate the mobile computing device is in the put-away state in response to determining that the capacitive profile is non-finger shaped; and

operating the mobile computing device in the put-away mode and increasing the sensitivity of the capacitive input sensor in response to determining that the mobile computing device is in the put-away state comprises operating, by the processor, the mobile computing device in the put-away mode and increasing, by the processor, the sensitivity of the capacitive input sensor in response to determining that the one or more other sensor outputs indicate the mobile computing device is in the put-away state.

7. The method of claim 6, wherein the one or more other sensor outputs are received by the processor from one or more of an accelerometer, a camera, a microphone, a gyroscope, a heat sensor, an ambient light sensor, or a bolometer.

8. The method claim 6, further comprising:

determining, by the processor, a surface of the mobile computing device that is an outward surface in the put-away state based at least in part on the one or more other sensor outputs; and

increasing a sensitivity of a capacitive sensor on the outward surface.

9. The method of claim 6, wherein the capacitive input sensor is a rear area capacitive input sensor.

10. The method of claim 9, wherein in the first gesture profile an image associated with an operation of the mobile computing device is not displayed on a screen of the mobile computing device and in the second gesture profile the image associated with the operation is displayed on the screen of the mobile computing device, wherein the screen is a front screen on a side opposite of the rear area capacitive input sensor.

11. The method of claim 1, further comprising:

determining, by the processor, whether additional one or more other sensor outputs indicate the mobile computing device is in a normal state while the mobile computing device is operating in the put-away mode; and

operating, by the processor, the mobile computing device in the normal mode in response to determining that the additional one or more other sensor outputs indicate the mobile computing device is in the normal state.

12. A mobile computing device, comprising:

a housing body;

a capacitive input sensor positioned on the housing body;

a memory; and

a processor within the housing body and coupled to the capacitive input sensor and the memory, wherein the processor is configured with processor-executable instructions to perform operations comprising;

generating an interaction profile based on sensor measurements;

determining whether the interaction profile is inconsistent with in-hand operation;

determining whether the mobile computing device is in a put-away state in response to determining that the interaction profile is inconsistent with in-hand operation;

operating the mobile computing device in a put-away mode and increasing a sensitivity of the capacitive input sensor in response to determining that the mobile computing device is in the put-away state; and

using a first gesture profile in the put-away mode to correlate user input gestures to operations of the mobile computing device while operating in the put-away mode, wherein the first gesture profile is different than a second gesture profile used by the processor to correlate user input gestures to operations of the mobile computing device while operating in a normal mode;

wherein the first gesture profile and the second gesture profile are configured such that the processor causes the mobile computing device to perform an operation in response to a selected user interaction with the capacitive input sensor in the put-away state that is different from an operation performed by the mobile computing device in response to the same selected user interaction in a normal state; and

wherein the processor is further configured with processor-executable instructions to perform operations comprising controlling a wearable device in response to one or more of a touch, a gesture, or a grip user interaction with the capacitive input sensor in the put-away state.

13. The mobile computing device of claim 12, further comprising one or more of an accelerometer, a camera, a microphone, a gyroscope, a heat sensor, an ambient light sensor, or a bolometer, wherein the sensor measurements are received by the processor from one or more of the capacitive input sensor, the accelerometer, the camera, the microphone, the gyroscope, the heat sensor, the ambient light sensor, or the bolometer.

14. The mobile computing device of claim 12, wherein the processor is configured with processor-executable instructions to perform operations such that the operation the processor causes the mobile computing device to perform in response to one or more of a touch, a gesture, or a grip user interaction with the capacitive input sensor in the put-away state is one of answering a call, starting an application, silencing an alert, turning on a screen, reading out a message, reading out a caller name, launching a camera, toggling a silent mode, adjusting a volume, or controlling another device.

15. The mobile computing device of claim 12, wherein the wearable device is a virtual reality head-mounted display or augmented reality glasses.

16. The mobile computing device claim 12, wherein the processor is configured with processor-executable instructions to perform operations further comprising:

determining whether the mobile computing device is in a normal state while the mobile computing device is operating in the put-away mode; and

operating the mobile computing device in the normal mode in response to determining that the mobile computing device is in the normal state.

17. The mobile computing device of claim 12, wherein the processor is configured with processor-executable instructions to perform operations such that:

generating the interaction profile based on sensor measurements comprises generating a capacitive profile based on capacitive input sensor measurements;

determining whether the interaction profile is inconsistent with in-hand operation comprises determining whether the capacitive profile is non-finger shaped;

determining whether the mobile computing device is in the put-away state in response to determining that the interaction profile is inconsistent with in-hand operation comprises determining whether one or more other sensor outputs indicate the mobile computing device is in the put-away state in response to determining that the capacitive profile is non-finger shaped; and

operating the mobile computing device in the put-away mode and increasing the sensitivity of the capacitive input sensor in response to determining that the mobile computing device is in the put-away state comprises operating the mobile computing device in the put-away mode and increasing the sensitivity of the capacitive input sensor in response to determining that the one or more other sensor outputs indicate the mobile computing device is in the put-away state.

18. The mobile computing device of claim 17, further comprising one or more of an accelerometer, a camera, a microphone, a gyroscope, a heat sensor, an ambient light sensor, or a bolometer, wherein the one or more other sensor outputs are received by the processor from one or more of the accelerometer, the camera, the microphone, the gyroscope, the heat sensor, the ambient light sensor, or the bolometer.

19. The mobile computing device claim 17, wherein the processor is configured with processor-executable instructions to perform operations further comprising:

determining an outward facing surface of the housing body in the put-away state based at least in part on the one or more other sensor outputs; and

increasing a sensitivity of a capacitive sensor on the outward facing surface of the housing body.

20. The mobile computing device of claim 17, wherein the capacitive input sensor is positioned on a rear area of the housing body.

21. The mobile computing device of claim 20, further comprising a screen coupled to the processor and positioned on a front side of the housing body opposite the rear area of the housing body on which the capacitive input sensor is positioned, wherein the processor is configured with processor-executable instructions to perform operations such that in the first gesture profile an image associated with an operation of the mobile computing device is not displayed on the screen and in the second gesture profile the image associated with the operation is displayed on the screen.

22. The mobile computing device of claim 12, wherein the processor is configured with processor-executable instructions to perform operations further comprising:

determining whether additional one or more other sensor outputs indicate the mobile computing device is in a normal state while the mobile computing device is operating in the put-away mode; and

operating the mobile computing device in the normal mode in response to determining that the additional one or more other sensor outputs indicate the mobile computing device is in the normal state.

23. A non-transitory, processor-readable medium having stored thereon processor-executable instructions configured to cause a processor of a mobile computing device to perform operations comprising:

generating an interaction profile based on sensor measurements;

determining whether the interaction profile is inconsistent with in-hand operation;

determining whether the mobile computing device is in a put-away state in response to determining that the interaction profile is inconsistent with in-hand operation;

operating the mobile computing device in a put-away mode and increasing a sensitivity of a capacitive input sensor in response to determining that the mobile computing device is in the put-away state; and

using a first gesture profile in the put-away mode to correlate user input gestures to operations of the mobile computing device while operating in the put-away mode, wherein the first gesture profile is different than a second gesture profile used by the processor to correlate user input gestures to operations of the mobile computing device while operating in a normal mode;

wherein the stored processor-executable instructions are configured to cause the processor to perform operations such that the first gesture profile and the second gesture profile are configured such that the mobile computing device performs an operation in response to a selected user interaction with the capacitive input sensor in the put-away state that is different from an operation performed by the mobile computing device in response to the same selected user interaction in a normal state;

wherein the stored processor-executable instructions are configured to cause the processor to perform operations further comprising controlling a wearable device in response to one or more of a touch, a gesture, or a grip user interaction with the capacitive input sensor in the put-away state.

24. The non-transitory, processor-readable medium of claim 23, wherein the stored processor-executable instructions are configured to cause the processor to perform operations further comprising receiving the sensor measurements from one or more of the capacitive input sensor, another capacitive sensor, an accelerometer, a camera, a microphone, a gyroscope, a heat sensor, an ambient light sensor, or a bolometer.

25. The non-transitory, processor-readable medium of claim 23, wherein the stored processor-executable instructions are configured to cause the processor to perform operations such that the operation the processor causes the mobile computing device to perform in response to one or more of a touch, a gesture, or a grip user interaction with the capacitive input sensor in the put-away state is one of answering a call, starting an application, silencing an alert, turning on a screen, reading out a message, reading out a caller name, launching a camera, toggling a silent mode, adjusting a volume, or controlling another device.

26. The non-transitory, processor-readable medium claim 23, wherein the stored processor-executable instructions are configured to cause the processor to perform operations further comprising:

determining whether the mobile computing device is in a normal state while the mobile computing device is operating in the put-away mode; and

operating the mobile computing device in the normal mode in response to determining that the mobile computing device is in the normal state.

27. The non-transitory, processor-readable medium of claim 23, wherein the stored processor-executable instructions are configured to cause the processor to perform operations such that:

generating the interaction profile based on sensor measurements comprises generating a capacitive profile based on capacitive input sensor measurements;

determining whether the interaction profile is inconsistent with in-hand operation comprises determining whether the capacitive profile is non-finger shaped;

determining whether the mobile computing device is in the put-away state in response to determining that the interaction profile is inconsistent with in-hand operation comprises determining whether one or more other sensor outputs indicate the mobile computing device is in the put-away state in response to determining that the capacitive profile is non-finger shaped; and

operating the mobile computing device in the put-away mode and increasing the sensitivity of the capacitive input sensor in response to determining that the mobile computing device is in the put-away state comprises operating the mobile computing device in the put-away mode and increasing the sensitivity of the capacitive input sensor in response to determining that the one or more other sensor outputs indicate the mobile computing device is in the put-away state.

28. The non-transitory, processor-readable medium of claim 27, wherein the stored processor-executable instructions are configured to cause the processor to perform operations further comprising receiving the one or more other sensor outputs from one or more of an accelerometer, a camera, a microphone, a gyroscope, a heat sensor, an ambient light sensor, or a bolometer.

29. The non-transitory, processor-readable medium of claim 27, wherein the stored processor-executable instructions are configured to cause the processor to perform operations further comprising:

determining, by the processor, a surface of the mobile computing device that is an outward surface in the put-away state based at least in part on the one or more other sensor outputs; and

increasing a sensitivity of a capacitive sensor on the outward surface.

30. The non-transitory, processor-readable medium of claim 27, wherein the stored processor-executable instructions are configured to cause the processor to perform operations such that an image associated with an operation of the mobile computing device is not displayed on a screen of the mobile computing device while in the put-away mode and the image associated with the operation is displayed on the screen of the mobile computing device while in the normal mode.

31. The non-transitory, processor-readable medium of claim 23, wherein the stored processor-executable instructions are configured to cause the processor to perform operations further comprising:

determining whether additional one or more other sensor outputs indicate the mobile computing device is in a normal state while the mobile computing device is operating in the put-away mode; and

operating the mobile computing device in the normal mode in response to determining that the additional one or more other sensor outputs indicate the mobile computing device is in the normal state.

32. A mobile computing device, comprising:

a housing body;

a capacitive input sensor positioned on the housing body;

means for generating an interaction profile based on sensor measurements;

means for determining whether the interaction profile is inconsistent with in-hand operation;

means for determining whether the mobile computing device is in a put-away state in response to determining that the interaction profile is inconsistent with in-hand operation;

means for operating the mobile computing device in a put-away mode and increasing a sensitivity of a capacitive input sensor in response to determining that the mobile computing device is in the put-away state;

means for using a first gesture profile in the put-away mode to correlate user input gestures to operations of the mobile computing device while operating in the put-away mode, wherein the first gesture profile is different than a second gesture profile used to correlate user input gestures to operations of the mobile computing device while operating in a normal mode;

means for performing an operation in response to a selected user interaction with the capacitive input sensor in the put-away state that is different from an operation performed in response to the same selected user interaction in a normal state; and

means for controlling a wearable device in response to one or more of a touch, a gesture, or a grip user interaction with the capacitive input sensor in the put-away state.

33. The mobile computing device of claim 32, further comprising:

means for determining whether additional one or more other sensor outputs indicate the mobile computing device is in a normal state while the mobile computing device is operating in the put-away mode; and

means for operating the mobile computing device in the normal mode in response to determining that the additional one or more other sensor outputs indicate the mobile computing device is in the normal state.

34. The mobile computing device of claim 32, wherein:

means for generating the interaction profile based on sensor measurements comprises means for generating a capacitive profile based on capacitive input sensor measurements;

means for determining whether the interaction profile is inconsistent with in-hand operation comprises means for determining whether the capacitive profile is non-finger shaped;

means for determining whether the mobile computing device is in the put-away state in response to determining that the interaction profile is inconsistent with in-hand operation comprises means for determining whether one or more other sensor outputs indicate the mobile computing device is in the put-away state in response to determining that the capacitive profile is non-finger shaped; and

means for operating the mobile computing device in a put-away mode and increasing a sensitivity of a capacitive input sensor in response to determining that the mobile computing device is in the put-away state comprises means for operating the mobile computing device in the put-away mode and increasing the sensitivity of the capacitive input sensor in response to determining that the one or more other sensor outputs indicate the mobile computing device is in the put-away state.