Image pickup apparatus and control method therefor having power control to control power state

• US 10,432,858 B2
• Filed: 05/27/2016
• Issued: 10/01/2019
• Est. Priority Date: 06/04/2015
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Nabeshima, Rui
• Primary Examiner(s): Cutler, Albert H
• Application Number:
  US15/167,709
• Publication Number:
  US 20160360107A1
• Time in Patent Office: 1,222 Days
• CPC Class Codes: G06F 1/3231 Monitoring the presence, absence or movement of users
• CPC Class Codes: G06F 1/3265 Power saving in display device
• CPC Class Codes: H04N 23/51 Housings
• CPC Class Codes: H04N 23/531 being rotatable or detachable
• CPC Class Codes: H04N 23/611 where the recognised objects include parts of the human body
• CPC Class Codes: H04N 23/62 Control of parameters via user interfaces
• CPC Class Codes: H04N 23/632 for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
• CPC Class Codes: H04N 23/651 for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
• CPC Class Codes: H04N 23/66 Remote control of cameras or camera parts, e.g. by remote control devices
• CPC Class Codes: H04N 23/67 Focus control based on electronic image sensor signals
• CPC Class Codes: H04N 23/675 comprising setting of focusing regions
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management
• CPC Class Codes: Y02D 30/50 in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

An image pickup apparatus includes a display unit that changes a display direction to at least one of an image pickup direction of an image pickup unit or an opposite direction, a power saving unit that executes a power saving function of reducing power consumption in response to a period in which an operation from a user has not been accepted exceeding a threshold, and a control unit that performs control such that the threshold at a time when the display direction is the image pickup direction is set to be longer than the threshold at a time when the display direction is the opposite direction.

Claims

1. An image pickup apparatus having a power supply and comprising:

a display configured to be capable of selectively changing a display direction to at least one of an image pickup direction of an image pickup unit or an opposite direction;

at least one processor; and

a memory storing instructions that, when executed by the at least one processor, causes the at least one processor to perform operations comprising;

accepting an operation from a user;

controlling a power state of the power supply either in a first state or a second state, wherein power consumption in the first state is lower than power consumption in the second state, and to switch to the first state from the second state in response to a period, in which the operation from the user has not been accepted, exceeding a threshold; and

performing control including changing the threshold based on the display direction while a predetermined screen is displayed on the display such that the threshold in a case where the display direction is the image pickup direction is set to be longer than the threshold in a case where the display direction of the display is the opposite direction.

2. The image pickup apparatus according to claim 1, wherein the display is at a position that is not inverted with respect to a main body unit including the image pickup unit in a case where the display direction is the opposite direction, and the display is at a position that is inverted with respect to the main body unit in a case where the display direction is the image pickup direction.

3. The image pickup apparatus according to claim 1, wherein the first state is a state of decreasing at least a luminance of the display or turning off light of the display without turning off the power supply.

4. The image pickup apparatus according to claim 1, wherein performing control comprises performing control such that, after a luminance of the display is decreased in the first state, light of the display is turned off in a case where the operation from the user has not been accepted further for a predetermined period.

5. The image pickup apparatus according to claim 1, wherein performing control comprises performing control such that a state is returned from a state in which performing control performs control in the first state before performing control performs control in response to accepting an operation on an operating member.

6. The image pickup apparatus according to claim 5, wherein the operating member is provided at a position on an opposite side to the image pickup direction of the image pickup unit.

7. The image pickup apparatus according to claim 1, wherein performing control comprises:

displaying a live view image on the display, and

performing control such that the at least one processor performs control in response to the at least one processor not accepting the operation from the user for a predetermined period in a case where the display direction is the image pickup direction and the live view image is not displayed on the display, and that the at least one processor performs control in response to not accepting the operation from the user for a period that is longer than the predetermined period in a case where the display direction is the image pickup direction and the live view image is displayed on the display.

8. The image pickup apparatus according to claim 1, further comprising an accepting unit configured to accept a user operation for a button or a dial,

wherein the display direction is not on a side of the accepting unit when the display direction of the display is the image pickup direction and the display direction is on the side of the accepting unit when the display direction of the display is the opposite direction.

9. An image pickup apparatus having a power supply and comprising:

a display configured to be capable of selectively changing a display direction to at least one of an image pickup direction of an image pickup unit or an opposite direction;

at least one processor; and

a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform operations comprising;

accepting an operation from a user; and

performing control such that a power saving function of reducing power consumption is executed in response to not accepting the operation from the user for a first period in a case where the display direction is the opposite direction, and that the power saving function is executed in response to not accepting the operation from the user for a second period that is longer than the first period in a case where the display direction is the image pickup direction.

10. The image pickup apparatus according to claim 9, further comprising an accepting unit configured to accept a user operation for a button or a dial, wherein the display direction is not on a side of the accepting unit when the display direction of the display is the image pickup direction and the display direction is on the side of the accepting unit when the display direction of the display is the opposite direction.

11. A control method for an image pickup apparatus including a display that selectively changes a display direction to at least one of an image pickup direction of an image pickup unit or an opposite direction, the control method comprising:

accepting an operation from a user;

controlling a power state of a power supply either in a first state or a second state, wherein power consumption in the first state is lower than power consumption in the second state;

switching to the first state from the second state in response to a period in which the operation from the user has not been accepted exceeding a threshold; and

performing control including changing the threshold based on the display direction while a predetermined screen is displayed on the display such that the threshold in a case where the display direction is the image pickup direction is set to be longer than the threshold in a case where the display direction is the opposite direction.

12. A non-transitory computer-readable storage medium that stores a program for executing the method according to claim 11.

13. A control method for an image pickup apparatus including a display that selectively changes a display direction to at least one of an image pickup direction of an image pickup unit or an opposite direction, the control method comprising:

accepting an operation from a user;

performing control such that a power saving function of reducing power consumption is executed in response to the operation from the user not being accepted for a predetermined period; and

performing control including changing the threshold based on the display direction such that the predetermined period in a case where the display direction is the image pickup direction is longer than the predetermined period in a case where the display direction is the opposite direction.

14. A non-transitory computer-readable storage medium that stores a program for executing the method according to claim 13.

15. An image pickup apparatus comprising;

a display configured to be capable of selectively changing a display direction to at least one of an image pickup direction of an image pickup unit or an opposite direction;

at least one processor; and

a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform operations comprising;

detecting a touch operation on the display;

controlling the display to display a predetermined item for accepting the touch operation on the display; and

performing control not to display the predetermined item when the touch operation is performed on the display in a case where an item for accepting the touch operation is not displayed on the display and also the display direction of the display is the opposite direction, and to display the predetermined item in response to the touch operation performed on the display in a case where an item for accepting the touch operation is not displayed on the display and also the display direction of the display is the image pickup direction.

16. The image pickup apparatus according to claim 15, wherein the display is at a position that is not inverted with respect to a main body unit in a case where the display direction of the display is the opposite direction, and the display is at a position that is inverted with respect to the main body unit in a case where the display direction of the display is the image pickup direction.

17. The image pickup apparatus according to claim 15, wherein performing control comprises performing control such that a predetermined function is executed in response to the touch operation performed on the display to display the predetermined item, and that the predetermined item is changed from not being displayed to being displayed without executing the predetermined function when the display direction of the display is the image pickup direction and in response to the touch operation performed when the predetermined item is not being displayed.

18. The image pickup apparatus according to claim 15, wherein controlling the display comprises controlling to change the predetermined item from being displayed to being not displayed in response to an operation from a user not being accepted for a predetermined period.

19. The image pickup apparatus according to claim 15, wherein the performing control comprises performing control such that a live view image picked up by the image pickup unit is displayed on the display in a case of the predetermined item being displayed, and that the live view image is not displayed on the display in a case of the predetermined item being not displayed.

20. The image pickup apparatus according to claim 15, wherein light of the display is turned off in a case of the predetermined item being not displayed.

21. The image pickup apparatus according to claim 15, wherein performing control comprises performing control such that shooting is performed in response to a shooting instruction by the touch operation on the display in a case where the predetermined item is displayed.

22. The image pickup apparatus according to claim 15, further comprising:

an operating member including at least a dial or a button,

wherein performing control comprises performing control such that the predetermined item is changed from being not displayed to being displayed in response to an operation performed on the operating member when the predetermined item is not being displayed.

23. The image pickup apparatus according to claim 15, further comprising:

a measurement unit configured to measure an elapsed time since the touch operation on the display or an operation on another operating unit is detected,

wherein controlling the display comprises performing control to change the predetermined item being from being displayed to being not displayed in response to the elapsed time measured by the measurement unit, and

wherein performing control comprises controlling the measurement unit such that, in a case where the display direction is the opposite direction, the elapsed time is reset in response to a touch operation on an item on the display for executing a function in response to the touch operation, and the elapsed time is not reset in response to a touch operation on a predetermined area where the function is not executed in response to the touch operation, and that the elapsed time is reset irrespective of the area where the touch operation is performed in a case where the display direction is the image pickup direction.

24. The image pickup apparatus according to claim 15, wherein controlling the display comprises controlling such that the predetermined item is changed from being displayed to not being displayed in response to an operation from a user not being accepted for a first period in a case where the display direction is the opposite direction, and that the predetermined item is changed from being displayed to not being displayed in response to the operation from the user not being accepted for a second period that is longer than the first period in a case where the display direction is the image pickup direction.

25. The image pickup apparatus according to claim 15,

wherein the predetermined item being displayed includes a case where a luminance of the display is a first luminance and a case where the luminance of the display is a second luminance that is darker than the first luminance, and

wherein performing control comprises performing control such that the luminance of the display is switched from the first luminance to the second luminance in response to an operation from a user not being accepted for a period that is shorter than a predetermined period, and

that the luminance of the display is switched from the second luminance to the first luminance in response to the touch operation on the display when the display has the second luminance.

26. The image pickup apparatus according to claim 15, wherein the operations further comprises:

setting a shooting mode from among a plurality of shooting modes including a self-shooting mode in which a photographer who instructs shooting is a subject,

wherein controlling the display comprises controlling the display such that the predetermined item is changed from not being displayed to being displayed in response to the touch operation on the display when the predetermined item is not being displayed in a case where the self-shooting mode is set as the shooting mode by the setting unit.

27. The image pickup apparatus according to claim 15, wherein performing control comprises performing control such that, in a case where the display direction is the opposite direction, even when a touch operation having a predetermined touch area size or larger touch area size is performed, a function in accordance with the touch operation is not executed, and the function in accordance with the touch operation is executed in response to a touch operation having a touch area size which is smaller than the predetermined touch area size, and that the function in accordance with the performed touch operation is executed irrespective of the touch area size in a case where the display direction is the image pickup direction and the predetermined item is displayed.

28. A control method for an image pickup apparatus including a display that is controlled to selectively change a display direction to at least one of an image pickup direction of an image pickup unit or an opposite direction, the control method comprising:

detecting a touch operation on the display;

performing control to display a predetermined item for accepting the touch operation on the display; and

performing control not to display the predetermined item when the touch operation is performed on the display in a case where an item for accepting the touch operation is not displayed on the display and the display direction is the opposite direction, and to display the predetermined item in response to the touch operation on the display in a case where an item for accepting the touch operation is not displayed on the display and also the display direction is the image pickup direction.

29. A non-transitory computer-readable storage medium that stores a program for executing the method according to claim 28.