JP2017103675A - Imaging apparatus and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an imaging apparatus capable of notifying a user that a function the user wishes to use is limited by charging of a battery.SOLUTION: The imaging apparatus includes: detection means that detects a USB connection of an external device; charging means that charges a battery using electric power supplied from the external device; and display means for displaying that imaging cannot be performed during charging when the USB connection is detected by the detection means.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an imaging device that can charge a battery using power supplied from a power source such as a USB power source.

  Patent Document 1 describes that the state of the charging unit is notified by turning on, blinking, or turning off. Patent Document 2 describes that when the power source is changed from an AC adapter to a USB power source, if the battery cannot be charged, the user is notified of the fact.

JP 2013-138590 A JP 2013-132126 A

  By the way, when the power source is a USB power source, the power supplied from the USB power source to the imaging device is more limited than the power supplied from the AC power source to the imaging device. Therefore, when it is assumed that the battery is charged by the power supplied from the USB power source to the imaging device and the imaging device is operated by the power supplied from the USB power source to the imaging device, some of the functions of the imaging device are limited. There is a possibility that.

  However, neither Patent Document 1 nor Patent Document 2 notifies that the function that the user wants to use is limited by charging of the battery. For this reason, the user cannot know that the function he / she wants to use is limited by charging the battery, and therefore cannot know why the function cannot be used.

  Therefore, an object of the present invention is to enable the user to be notified that the function that the user wants to use is limited by charging the battery.

The image pickup apparatus according to the present invention includes a detection unit that detects a USB connection of an external device, a charging unit that charges a battery using power supplied from the external device, and a USB connection detected by the detection unit. The image pickup apparatus includes display means for displaying that image pickup is not possible during charging.
According to the present invention, a computer detects a USB connection by a detection unit that detects a USB connection of an external device, a charging unit that charges a battery using power supplied from the external device, and the detection unit. In this case, the program is to function as a display unit that displays that the image cannot be captured during charging.

  ADVANTAGE OF THE INVENTION According to this invention, a user can be notified that the function which a user wants to use is restrict | limited by charge of a battery.

1 is a diagram illustrating an example of an appearance of an imaging apparatus 100 according to Embodiment 1. FIG. 4 is a diagram for describing an example of a plurality of components included in the imaging apparatus 100 according to Embodiment 1. FIG. An example of what processing is performed in the image capturing apparatus 100 when the user gives an instruction to transition to the still image capturing mode, the long-time capturing mode, or the moving image capturing mode while the battery 30 is charged. It is a flowchart for doing. A flowchart for explaining an example of what processing is performed in the imaging apparatus 100 when the USB connection is performed when the imaging apparatus 100 is in the still image imaging mode, the long-time imaging mode, or the moving image imaging mode. It is. 10 is a flowchart for explaining an example of what processing is performed in the imaging apparatus when a USB connection is made when the imaging apparatus is in a playback mode.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the present invention is not limited to the following embodiments.

[Embodiment 1]
FIG. 1 is a diagram illustrating an example of an appearance of the imaging apparatus 100 according to the first embodiment. FIG. 1 shows an appearance of the back surface of the imaging apparatus 100.

  In FIG. 1, the display unit 28 displays a captured image and displays various types of information according to the usage status. The shutter button 61 is used to input an imaging instruction to the system control unit 50. The mode changeover switch 60 is used to instruct the system control unit 50 to select one of a plurality of operation modes.

  The power switch 72 is used to instruct the system control unit 50 to switch the imaging apparatus 100 to the ON state or the OFF state. The dial 73 is used to instruct the system control unit 50 to move the selection frame, to advance the image, and the like. The imaging apparatus 100 further includes four-direction buttons (up, down, left and right), a SET button, an LV button, an enlarge button, a playback button, and the like.

  The lid 202 is a lid for protecting the storage unit in which the storage medium 200 is stored. A cable 111 is connected to the USB unit 92. External devices such as a USB host and a USB power source are connected to the USB unit 92 via the cable 111.

  FIG. 2 is a diagram for explaining an example of a plurality of components included in the imaging apparatus 100 according to the first embodiment.

  In FIG. 2, the lens unit 103 includes a plurality of lenses. The barrier 102 has a mechanism for preventing the imaging system including the lens unit 103, the shutter 101, and the imaging unit 22 from being dirty or damaged.

  The shutter 101 can control the exposure time of the imaging unit 22 according to an instruction from the system control unit 50. The shutter 101 includes a focal plane shutter, for example.

  The imaging unit 22 includes an imaging device (CCD sensor or CMOS sensor), and converts an optical image of a subject captured by the imaging device into an analog image signal. The A / D converter 23 converts the analog image signal supplied from the imaging unit 22 into a digital image signal.

  The image processing unit 24 generates image data (including a still image or a moving image) from the digital image signal supplied from the A / D converter 23. In the process of generating image data, the image processing unit 24 processes the image data by performing at least one of pixel interpolation processing, resizing processing, color conversion processing, and image processing. Furthermore, the image processing unit 24 can also encode the image data in accordance with a predetermined compression encoding method. The image data generated by the image processing unit 24 is stored in the memory 32. The system control unit 50 can perform automatic exposure control, automatic exposure control, and automatic white balance control by performing predetermined arithmetic processing using the image data generated by the image processing unit 24. Further, the image processing unit 24 generates reduced image data (including a still image or a moving image) of the image data from the image data generated by the image processing unit 24. Reduced image data of the image data generated by the image processing unit 24 is stored in the memory 32. The image processing unit 24 can also generate reduced image data (including a still image or a moving image) of the image data from the image data reproduced from the storage medium 200. Reduced image data of the image data reproduced from the storage medium 200 is stored in the memory 32.

  The memory control unit 15 controls access to the memory 32. The memory 32 has a storage capacity sufficient to store image data corresponding to a predetermined number of still images or a moving image for a predetermined time.

  The D / A converter 19 generates an analog image signal from the reduced image data of the image data generated by the image processing unit 24 or the reduced image data of the image data reproduced from the storage medium 200. The analog image signal generated by the D / A converter 19 is supplied to the display unit 28. The display unit 28 is a display unit including a liquid crystal display. The display unit 28 displays an image corresponding to the analog image signal supplied from the D / A converter 19. Thereby, the display unit 28 can function as an electronic viewfinder. The live view display of the image captured by the imaging unit 22 is performed by the display unit 28.

  The memory 56 is a memory configured by, for example, an EEPROM (Electrically Erasable Programmable Read-Only Memory). The memory 56 stores one or more programs that can be executed by the system control unit 50. One or more programs stored in the memory 56 include a program for controlling the operation of the imaging apparatus 100.

  The system control unit 50 includes one or more microcomputers (or microprocessors) for controlling the entire imaging apparatus 100. The system control unit 50 executes various processes described in the first embodiment (including processes described with reference to FIGS. 3 to 5) by executing one or more programs stored in the memory 56. Can be controlled.

  The memory 52 is a memory configured by, for example, a RAM (Random Access Memory). The memory 52 stores a program read from the memory 56 and the like. The system control unit 50 can also control display of an image displayed on the display unit 28 by controlling the memory 32, the D / A converter 19, the display unit 28, and the like. The system timer 53 is a time measuring unit that measures various times.

  The mode switch 60 is used to instruct the system control unit 50 to switch the operation mode of the imaging apparatus 100 to any one of the still image imaging mode, the long-time imaging mode, the moving image imaging mode, and the playback mode. When the operation mode of the image capturing apparatus 100 is the still image capturing mode, the image capturing apparatus 100 can capture one or more still images by using the single shooting function or the continuous shooting function. When the operation mode of the imaging apparatus 100 is the long-time imaging mode, the imaging apparatus 100 can capture one or more still images with the long-time imaging function. When the operation mode of the image capturing apparatus 100 is the moving image capturing mode, the image capturing apparatus 100 can capture one or more moving images by the moving image capturing function. When the operation mode of the imaging apparatus 100 is the reproduction mode, the imaging apparatus 100 can reproduce image data (including still images or moving images) stored in the storage medium 200 from the storage medium 200. The image data reproduced from the storage medium 200 is displayed on the display unit 28 and transmitted from the USB unit 92 or the wireless communication unit 54 to the external device.

  The first shutter switch 62 is turned on when the shutter button 61 is half-pressed, and supplies the first shutter switch signal SW1 (imaging preparation instruction) to the system control unit 50. The system control unit 50 starts AF (autofocus) processing, AE (automatic exposure) processing, AWB (auto white balance) processing, EF (flash pre-emission) processing, and the like by the first shutter switch signal SW1.

  The second shutter switch 64 is turned ON when the shutter button 61 is fully pressed, and supplies the second shutter switch signal SW2 (imaging instruction) to the system control unit 50. The system control unit 50 starts generation of image data corresponding to the image captured by the imaging unit 22 and writing of the image data to the storage medium 200 by the second shutter switch signal SW2.

  The instruction input unit 70 is a user interface unit for inputting an instruction from a user to the system control unit 50, and includes a plurality of function buttons. The plurality of function buttons include, for example, an end button, a return button, an image advance button, a jump button, a narrow button, an attribute change button, and the like. For example, when a menu button is pressed, a predetermined menu screen is displayed on the display unit 28. The user can input various settings to the imaging apparatus 100 using the menu screen displayed on the display unit 28, the four-way button, and the SET button. The plurality of function buttons included in the instruction input unit 70 may be buttons displayed on the display unit 28. In this case, the display unit 28 operates as a touch panel.

  The instruction input unit 70 is a user interface unit for inputting an instruction from the user. The instruction input unit 70 includes at least a shutter button 61, a main electronic dial, a wheel, a power switch 72, a dial 73, a four-way button, a SET button, an LV button, an enlarge button, and a playback button.

  The power supply control unit 80 includes a battery detection circuit, a DC-DC converter, and the like, detects whether or not the battery 30 is connected to the imaging device 100, detects the type of the battery 30, and the remaining amount of the battery 30 Detection. The power supply control unit 80 controls the DC-DC converter based on an instruction from the system control unit 50, thereby supplying power necessary for all the components of the imaging device 100 to all the components of the imaging device 100. be able to.

  The battery 30 has at least one rechargeable battery cell (eg, lithium ion battery cell). The battery 30 may be a battery that can be detached from the imaging apparatus 100 or a battery that is built in the imaging apparatus 100.

  The storage medium control unit 18 is an interface unit for communicating with the storage medium 200 connected to the storage medium control unit 18. The storage medium 200 is a storage medium including a semiconductor memory, a memory card, a hard disk device, and the like, and can store image data (including still images or moving images) generated by the imaging unit 22. The storage medium 200 may be a storage medium that is removable from the imaging apparatus 100 or may be a storage medium that is built in the imaging apparatus 100. The power required for the storage medium 200 is supplied from the battery 30 to the storage medium 200 via the storage medium control unit 18.

  The wireless communication unit 54 can perform wireless communication with an external device connected to a wireless communication network such as a wireless LAN (Local Area Network). The wireless communication unit 54 wirelessly transmits image data corresponding to the image captured by the imaging unit 22 to the external device, wirelessly transmits image data stored in the storage medium 200 to the external device, It is possible to receive image data transmitted from the apparatus wirelessly.

  The posture detection unit 55 detects the posture of the imaging device 100 with respect to the direction of gravity. The posture of the imaging apparatus 100 detected by the posture detection unit 55 is notified to the system control unit 50.

  The USB unit 92 is an interface unit that conforms to the USB (Universal Serial Bus) standard and USB Battery Charging Specification. The system control unit 50 can communicate with an external device such as a USB host (for example, a personal computer) by controlling the USB unit 92. Further, the USB unit 92 can receive power from the USB power supply via the cable 111. The USB power supply is a power supply that operates as an external power supply device. An AC-USB adapter or USB host can operate as a USB power source. The USB unit 92 can charge the battery 30 connected to the imaging device 100 using the power received from the USB power source. In the first embodiment and other embodiments, the charging of the battery 30 by the power received from the USB power source is referred to as “USB charging”. The USB unit 92 can operate as a charge control unit that controls USB charging.

  Next, processing performed in the imaging apparatus 100 will be described with reference to FIGS.

  FIG. 3 shows what processing is performed in the imaging apparatus 100 when the user gives an instruction to transition to the still image capturing mode, the long-time imaging mode, or the moving image capturing mode while the battery 30 is charged. It is a flowchart for demonstrating an example.

  When the power switch 72 is turned on in S300, the system control unit 50 proceeds to S301.

  In S301, the system control unit 50 determines an external connection state. When it is determined that the external connection state has changed, the system control unit 50 proceeds to S302. When it is determined that the external connection state has not changed, the system control unit 50 proceeds to S314.

  In S302, the system control unit 50 determines whether or not an external device is connected. If it is determined that an external device is connected, the system control unit 50 proceeds to S304. If it is determined that the external device is not connected, the system control unit 50 proceeds to S303.

  In S303, the system control unit 50 determines whether charging is in progress. If it is determined that charging is in progress, the system control unit 50 proceeds to S311. When it is determined that the battery is not charged, the system control unit 50 proceeds to S313.

  In step S <b> 304, the system control unit 50 determines the operation mode of the imaging apparatus 100. If it is determined that the still image capturing mode, the long-time capturing mode, or the moving image capturing mode is selected, the system control unit 50 proceeds to S305. If the playback mode is determined, the system control unit 50 proceeds to S306.

  In step S <b> 305, the system control unit 50 changes the operation mode of the imaging apparatus 100 to the reproduction mode.

  In S306, the system control unit 50 starts charging.

  In S307, the system control unit 50 detects that the switch SW1 / 2 or the moving image button has been pressed and the like, thereby determining that the user wants to transition to the still image capturing mode, the long-time imaging mode, or the moving image capturing mode It is determined whether or not an input has been made. If it is determined that an instruction input for transition to the still image capturing mode, the long-time capturing mode, or the moving image capturing mode has been received, the system control unit 50 proceeds to S308. If it is determined that an instruction to change to the still image capturing mode, the long-time capturing mode, or the moving image capturing mode has not been input, the system control unit 50 proceeds to S314.

  In step S308, the system control unit 50 determines whether the connected external device is an external device that can supply power. If it is determined that the external device can supply power, the system control unit 50 proceeds to S309. If it is determined that the external device cannot supply power, the system control unit 50 proceeds to S310.

  In step S309, the system control unit 50 starts power feeding from the external device.

  In S310, the system control unit 50 checks the remaining amount of the battery 30 and determines whether or not the remaining amount of the battery 30 exceeds a predetermined remaining amount. When it is determined that the remaining amount of the battery 30 is sufficiently imaged, the system control unit 50 proceeds to S311. When it is determined that the remaining amount of the battery 30 is insufficient, the system control unit 50 proceeds to S312.

  In S311, the system control unit 50 stops charging.

  In S <b> 312, the system control unit 50 displays on the display unit 28 that the connected external device is not an external device to which power can be supplied and that imaging cannot be performed due to charging.

  In S313, the system control unit 50 transitions to a still image capturing mode, a long-time capturing mode, or a moving image capturing mode.

  In S314, the system control unit 50 determines whether or not the power switch 72 is turned off. When it is determined that the power switch 72 is turned off, the system control unit 50 proceeds to S315. If it is determined that the power switch 72 is not turned off, the system control unit 50 proceeds to S301.

  In step S <b> 315, the system control unit 50 turns off the imaging apparatus 100.

  FIG. 4 illustrates an example of what processing is performed in the imaging device 100 when the USB connection is performed when the imaging device 100 is in the still image imaging mode, the long-time imaging mode, or the moving image imaging mode. It is a flowchart for doing.

  In S400, the system control unit 50 starts a still image capturing mode, a long-time capturing mode, or a moving image capturing mode.

  In step S401, the system control unit 50 determines an external connection state. When it is determined that the external connection state has changed, the system control unit 50 proceeds to S402. If it is determined that the external connection state has not changed, the system control unit 50 enters a standby state in S401.

  In S402, the system control unit 50 determines whether or not an external device is connected. If it is determined that an external device is connected, the system control unit 50 proceeds to S405. If it is determined that the external device is not connected, the system control unit 50 proceeds to S403.

  In S403, the system control unit 50 determines whether charging is in progress. If it is determined that charging is in progress, the system control unit 50 proceeds to S404. When it determines with not charging, the system control part 50 returns to S401.

  In S404, the system control unit 50 stops charging, and then returns to S401.

  In step S405, the system control unit 50 determines whether the connected external device is an external device that can supply power. If it is determined that the external device can supply power, the system control unit 50 proceeds to S407. If it is determined that the external device cannot supply power, the system control unit 50 proceeds to S406.

  In step S406, the system control unit 50 performs mode transition to the reproduction mode. Thereafter, the process proceeds to S411, and the still image capturing mode, the long-time capturing mode, or the moving image capturing mode ends.

  In S407, the system control unit 50 starts power feeding, and then proceeds to S408.

  In step S <b> 408, the system control unit 50 performs power supply determination processing for determining whether the external device is capable of charging and power supply at the same time. When it is determined that charging and power feeding are possible at the same time, the system control unit 50 proceeds to S409. If it is determined that charging and power feeding cannot be performed simultaneously, the system control unit 50 proceeds to S410.

  In step S409, the system control unit 50 starts USB charging using power supplied from an external device.

  In step S410, the system control unit 50 displays on the display unit 28 and notifies the user that only power supply is performed in the still image capturing mode, long-time imaging mode, or moving image capturing mode during USB connection. Thereafter, the process proceeds to S401.

  FIG. 5 is a flowchart for explaining an example of what processing is performed in the imaging apparatus 100 when the USB connection is performed when the imaging apparatus 100 is in the reproduction mode.

  In S500, the system control unit 50 starts the playback mode.

  In step S501, the system control unit 50 determines an external connection state. When it is determined that the external connection state has changed, the system control unit 50 proceeds to S502. When it is determined that the external connection state has not changed, the system control unit 50 enters a standby state in S501.

  In S502, the system control unit 50 determines whether or not an external device is connected. If it is determined that an external device is connected, the system control unit 50 proceeds to S505. If it is determined that the external device is not connected, the system control unit 50 proceeds to S503.

  In step S503, the system control unit 50 determines whether charging is in progress. If it is determined that charging is in progress, the system control unit 50 proceeds to S504. When it is determined that the battery is not charged, the system control unit 50 proceeds to S501.

  In S504, the system control unit 50 stops charging.

  In S505, the system control unit 50 starts charging.

  In step S <b> 506, the system control unit 50 determines whether an instruction input for determining to change to the still image capturing mode, the long-time capturing mode, or the moving image capturing mode is made by the user. If it is determined that an instruction input for transition to the still image capturing mode, the long-time capturing mode, or the moving image capturing mode has been made, the system control unit 50 proceeds to S507. If it is determined that an instruction to change to the still image capturing mode, the long-time capturing mode, or the moving image capturing mode has not been input, the system control unit 50 proceeds to S501.

  In step S <b> 507, the system control unit 50 determines whether the external device connected to the imaging device 100 is an external device that can supply power. If it is determined that the external device can supply power, the system control unit 50 proceeds to S509. If it is determined that the external device cannot supply power, the system control unit 50 proceeds to S508.

  In step S <b> 508, the system control unit 50 notifies the user by displaying on the display unit 28 that imaging cannot be performed because charging is in progress.

  In step S509, the system control unit 50 transitions to a still image capturing mode, a long-time capturing mode, or a moving image capturing mode.

  In S510, the playback mode is terminated.

  As described above, according to the first embodiment, it is possible to notify the user that the function that the user wants to use is limited by the charging of the battery 30.

[Embodiment 2]
The various functions, processes, and methods described in the first embodiment can also be realized by using a program by a personal computer, a microcomputer, a microprocessor, a CPU (Central Processing Unit), or the like. Hereinafter, in the second embodiment, a personal computer, a microcomputer, a microprocessor, a CPU, and the like are referred to as “computer X”. Furthermore, in the second embodiment, a program for controlling the computer X and for realizing the various functions, processes, and methods described in the first embodiment is referred to as “program Y”.

  The various functions, processes, and methods described in the first embodiment are realized by the computer X executing the program Y. In this case, the program Y is supplied to the computer X via a computer-readable storage medium. The computer-readable storage medium according to the second embodiment includes at least one of a hard disk device, a magnetic storage device, an optical storage device, a magneto-optical storage device, a memory card, a volatile memory, and a nonvolatile memory. The computer-readable storage medium in Embodiment 2 is a non-transitory storage medium.

22 Imaging unit 28 Display unit 30 Battery 50 System control unit 60 Mode switch 61 Shutter button 70 Instruction input unit 100 Imaging device

Claims (5)

Detecting means for detecting a USB connection of an external device;
Charging means for charging the battery using electric power supplied from the external device;
An image pickup apparatus comprising: display means for displaying that image pickup cannot be performed during charging when a USB connection is detected by the detection means. Determining means for determining whether or not power supply is possible during charging by the charging means;
Mode transition means for transitioning the operation mode,
The imaging apparatus according to claim 1, wherein when the determination unit determines that power can be supplied, the mode transition unit transitions to an imaging mode.   When it is determined by the determination means that charging can be performed if charging is stopped, the display means displays a notice of stopping charging and transitioning to the imaging mode and notifies the user, and the mode transition means The imaging apparatus according to claim 2, wherein the imaging apparatus transitions to It has a confirmation means to confirm the remaining battery level while charging,
If it is determined by the determination means that power cannot be supplied, and the confirmation means confirms that the remaining amount of the battery exceeds a predetermined amount, the charging means stops charging, and the mode transition means The imaging apparatus according to claim 2, wherein the imaging apparatus transits to a mode. Computer
Detecting means for detecting a USB connection of an external device;
Charging means for charging the battery using electric power supplied from the external device;
A program for functioning as a display unit for displaying that imaging cannot be performed during charging when a USB connection is detected by the detection unit.

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