JP2002320117A - Electronic equipment and electronic equipment system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide electronic equipment capable of reducing power consumption by making the end of image transfer easy to understand. SOLUTION: This electronic camera is provided with a USB connecting terminal for transferring image data, recorded in a memory card to an external PC or the like and a transfer/marking button for instructing the transfer. Then, when the transfer of the image data is ended, display 65 indicating that the power source off of the electronic camera is possible is displayed at a display LCD 3. As a result, it is possible for a user to easily understand the timing of the power source turn off of the electronic camera, and to prevent wasteful power consumption of the battery.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to electronic equipment and electronic equipment systems.

[0002]

2. Description of the Related Art In an electronic camera such as a digital still camera, photographed image data is recorded in a memory in the camera or a recording medium such as a memory card mounted on the camera. The captured image data is transferred to a PC via a communication cable.
(A personal computer) or the like. Further, by connecting the PC to the Internet, it becomes possible to transfer the image file transferred to the PC to the photo service via the Internet.

[0003] USB is used as a communication means between the electronic camera and the PC.
Is often used, and the transfer time of the image file has been relatively shortened. On the other hand, a telephone line or the like is generally used for the connection between the PC and the Internet, and the transfer time between the PC and the Internet is considerably longer than the transfer time between the electronic camera and the PC. .

[0004]

However, if the transfer between the PC and the Internet continues, it is difficult to notice that the transfer from the electronic camera to the PC has been completed, and the user may forget to turn off the power of the electronic camera. There were many. further,
For beginners, the timing of turning off the electronic camera is inexperienced, so forgetting to turn off the electronic camera has resulted in wasted power consumption of the battery. Further, in the USB communication, since the PC polls the camera at a predetermined time interval, the camera cannot enter the low power mode in the sleep state, and there is a problem that power consumption is continued.

An object of the present invention is to provide an electronic device and an electronic device system that can easily recognize the end of image transfer and can reduce power consumption.

[0006]

An embodiment of the present invention will be described with reference to FIGS. 2, 5 and 8. FIG. (1) The invention according to claim 1 is an imaging means 2 for imaging an object.
A storage unit 439 for storing image data of an image captured by the imaging unit 214 in a storage medium 424;
The present invention is applied to the electronic apparatus 1 including communication units 13 and 448 for transferring image data stored in the storage medium 424 to the external storage device 20.
The above-mentioned object is achieved by providing the transfer instruction operation unit 12 for instructing the transfer by 48 and the display means 3 for displaying a mark 64 indicating the end of the transfer when the transfer of the image data is completed. (2) The image pickup means 2 for picking up an image of a subject
A storage unit 439 for storing image data of an image captured by the imaging unit 214 in a storage medium 424;
The present invention is applied to the electronic apparatus 1 including communication units 13 and 448 for transferring image data stored in the storage medium 424 to the external storage device 20.
The above-mentioned object is achieved by providing the transfer instruction operation unit 12 for instructing the transfer by 48 and the display means 3 for displaying a mark 65 for permitting the power of the electronic device 1 to be turned off when the transfer of the image data is completed. (3) According to a third aspect of the present invention, there is provided the electronic device according to the second aspect, further including a driving built-in battery 456. (4) The electronic device according to claim 3, wherein the external power supply connection terminal 15 to which an external power supply can be connected.
Determining means 457 and 439 for determining whether or not an external power supply is connected to the external power supply connection terminal 15; Allow the display of 65,
Control means 439 is provided for prohibiting the display means 3 from displaying the mark 65 when the determination means 457, 439 determines that the external power supply is connected. (5) According to a fifth aspect of the present invention, in the electronic device according to any one of the first to fourth aspects, the power of the electronic device 1 is turned off a predetermined time after the end of the transfer of the image data. . (6) The electronic device system according to the sixth aspect of the present invention includes: (a) an external storage device 20 having information input means 24; (b) an imaging means 214 for imaging a subject; A storage unit 439 for storing image data in the storage medium 424, an information output unit 13 capable of outputting image data stored in the storage medium 424 to the outside,
448, a transfer instruction operation unit 12 for instructing transfer of image data via the information output units 13 and 448, the electronic device 1 including a low power consumption mode, and (c) the information output unit 1.
3, 448 to the information input means 24. The transfer means 21 transfers image data from the electronic device 1 to the external storage device 20 via the transfer means 21 in accordance with an instruction from the transfer instruction operation unit 12. The above object is achieved by starting the transfer and setting the electronic device 1 to the low power consumption mode in accordance with an instruction from the external storage device 20 via the transmission means 21 after the transfer is completed.

[0007] In the section of the means for solving the above problems, the drawings of the embodiments of the present invention are used to make the present invention easy to understand, but the present invention is not limited to the embodiments of the present invention. Not something.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1A and 1B are diagrams showing an embodiment of an electronic apparatus according to the present invention, wherein FIG. 1A is a plan view of the electronic camera as viewed from above, and FIG. 1B is a rear view of the electronic camera as viewed from behind. As shown in FIG. 1A, on a top surface of the electronic camera 1, a main switch 4 for turning on / off a power, a release button 5 for performing a shooting operation, and a display panel 7 for displaying camera information. Is provided. The electronic camera 1 has a recording mode for recording image data obtained by photographing a subject on a memory card 424 described later, a display mode for reading image data recorded on the memory card 424, and a display LCD 3 ( FIG. 1B) has a reproduction mode for reproducing and displaying. The switching operation between the recording mode and the reproduction mode is performed by the dial 6.

As shown in FIG. 1B, in addition to a display LCD 3 for displaying an image, a finder eyepiece window 8 and a zoom switching button 9 for performing a zoom operation of the photographing optical system 2 are provided on the back of the camera. Buttons are provided. When the zoom switch button 9 is pressed on the W side, the photographing optical system 2 is driven to the wide-angle side, and when the T side is pressed, it is driven to the telephoto side. In the recording mode, a CCD 214 described later
Are sequentially displayed on the display LCD 3. On the other hand, in the reproduction mode, the display LCD 3 performs thumbnail display of images recorded on the memory card 424 described later, reproduction display of individual images, and the like.

Reference numeral 10 denotes a menu button for displaying a setting menu on the display LCD 3. When various settings are made, the setting menu is displayed and selection buttons 11a to 11d are displayed.
Select the item to be set with. In the present embodiment,
The setting menu allows setting and canceling of transfer marking in the recording mode, setting and canceling of transfer marking in batch in the reproduction mode, setting of re-transfer, and the like, which will be described later. Details of each setting will be described later. The transfer / marking button 12 is an operation button used when adding a transfer marking for each image file and when starting image file transfer.

The transfer / marking button 12 functions as a transfer button when a USB communication cable 21 (see FIG. 5 described later) is connected to the USB connection terminal 13, and the USB communication cable 21 is disconnected. And function as a marking button. 15 is an AC adapter (not shown)
The connection / disconnection of the AC adapter to / from the external power supply connection terminal 15 is detected by the detection device 457 (see FIG. 2). The USB connection terminal 13 and the external power supply connection terminal 15 are provided inside the cover 16, and when the cover 16 is opened, the terminals 13, 1
5 is exposed.

FIG. 2 is a circuit block diagram of the electronic camera shown in FIG. The control program for the electronic camera 1 is stored in the ROM 443. When the main switch 4 is turned on, the power of the electronic camera 1 is turned on, and the control program is started by the CPU 439. When the recording mode is set by the dial 6, the electronic camera 1 can take a picture. On the other hand, when the reproduction mode is set by the dial 6, an image based on the image data recorded on the memory card 424 as the recording medium can be reproduced and displayed on the display LCD 3. In the recording mode, C
An image based on the imaging signal from the CD 214 is displayed on the LCD 3
Will be displayed.

The photographing optical system 2 includes a plurality of lenses 201 to 20.
4, and the focus adjustment operation is performed by the lens driving circuit 430.
It is performed by The focus adjustment operation by the lens drive circuit 430 is normally performed by a command from the CPU 439, but the focus adjustment operation can also be performed by an operation signal output when the distance ring 462 is manually operated.

The lens 203 and the lens 20 of the photographing optical system 2
4, a shutter plate 208 and a stop 215 are provided. The subject light incident on the photographing optical system 2 includes lenses 201 to 204, a shutter plate 208, and an aperture plate 2.
15 and is imaged on the imaging surface of the CCD 214.
The aperture plate 215 and the shutter plate 208 are formed in a disk shape, and are driven by step motors 415 and 408 provided at the rotation center of the disk, respectively. Aperture plate 21
5 is provided with a plurality of aperture openings (not shown) having different opening areas.
Is rotated to dispose one arbitrary aperture on the optical axis.

The shutter plate 208 is provided with a complete light blocking portion (not shown) for blocking all light beams passing through the lens 203, and an opening (not shown) for passing all light beams. At the time of exposure, the opening of the shutter plate 208 is set on the optical path, and at the end of the exposure, the complete light shielding section is set on the optical path. Step motor 4 for rotating aperture plate 215
15 is driven and controlled by a drive circuit 453. The drive of the step motor 408 that rotates the shutter plate 208 is controlled by a shutter drive circuit 454.

At the time of photographing, first, the electric charge stored in the CCD 214 is discharged, and a predetermined opening of the aperture plate 215 is set on the optical path. And CCD
When the 214 is exposed for a predetermined time, electric charges are accumulated again.
The time from the discharge of the electric charge until the light path is shielded again by the complete light shielding portion of the shutter plate 208 corresponds to the exposure time.

When a subject image is formed on the image pickup surface of the CCD 214 by the photographing optical system 2, signal charges corresponding to the intensity of light of the subject image are accumulated. The CCD 214 is supplied with a horizontal drive signal from a digital signal processor (hereinafter referred to as DSP) 433 and a vertical drive signal from a CCD drive circuit 434 controlled by the DSP 433. That is, the timing of the CCD 214 is controlled by the DSP 433 and the CCD drive circuit 434,
The signal from the CD 214 is input to the image processing unit 431.

The image processing unit 431 has a noise removal circuit, a DC reproduction circuit, and the like, and performs analog processing such as noise removal and gain control on the image signal output from the CCD 214. The analog image signal output from the image processing unit 431 is converted into a digital signal by an analog / digital conversion circuit (hereinafter, referred to as an A / D conversion circuit) 432. The converted digital image data is input to the DSP 433 described above.

In the DSP 433, an A / D conversion circuit 432
Is subjected to image processing such as contour compensation, gamma correction, and white balance adjustment.
The DSP 433 controls a data bus connected to the buffer memory 436 and the memory card 424, and temporarily stores the image data on which various image processing has been performed in the buffer memory 436. Then, after that, the image data is read from the buffer memory 436, the data is compressed in a predetermined compression format (for example, the JPEG method), and is recorded on the memory card 424.

The DSP 433 stores the image data captured by the CCD 214 and subjected to the above-described image processing and the image data read and expanded from the memory card 424 in the frame memory 435, and stores the image data in the frame memory 435. LCD 3 provided on electronic camera 1 based on the image
To be displayed. Further, the DSP 433 also manages the timing of data input / output when the above-described image data is recorded on the memory card 424 or the decompressed captured image data is recorded on the buffer memory 436.

A buffer memory 436 in which image data based on the output of the CCD 214 is temporarily stored is used to alleviate a difference in input / output speed of image data to / from the memory card 424 and a difference in processing speed between the CPU 439 and the DSP 433. Used for The timer 445 has a built-in clock circuit, and stores time data corresponding to the current time as C
It is output to the PU 439 and is also used as a timer for monitor on / off control described later. This time data is stored in the memory card 42 together with the image data described above.
4 recorded.

The colorimetric element 417 detects the color temperature of the main subject and its surroundings, and outputs data of the detected color temperature to the colorimetric circuit 452. The color measurement circuit 452 includes a color measurement element 417.
The analog signal output from the CPU is subjected to predetermined processing to be converted into a digital value, and the converted digital signal is converted into a digital signal by the CPU 439.
Output to The interface 448 is a predetermined external device.
It is provided for transmitting and receiving data to and from a (not shown). In the present embodiment, a USB interface is provided. 440 is a display circuit for controlling the display panel 7. The power supply unit 455 is provided with a battery 456 for driving the camera and an external power supply connection terminal 15. As described above, the connection / disconnection of the AC adapter to the external power supply connection terminal 15 is detected by the detection device 457.

The image data of the photographed image is recorded on the memory card 424 as an image file. A directory “DCIM” is created in the memory card 424, and image files are recorded in the directory. FIG. 3 qualitatively shows the file structure in the DCIM directory. The DCIM directory contains
An image folder 44 named “100NIKON” is formed in advance. An image file 45 of image data obtained by photographing is stored in the image folder 44. In the image file 45, “DSCN0001.j
pg "," DSCN0002.jpg "," DSCN0003.jpg ". In the example shown in FIG. 3, "DSCN000
Ten image files 45 from “1.jpg” to “DSCN0010.jpg” are stored.

When transferring the image file 45 from the memory card 424 in the electronic camera 1 to an external device, a transfer marking is added to each image to be transferred in advance. When the USB cable is connected to the electronic camera 1 and the transfer / marking button 12 in FIG. 1 is operated, only the image data (image file 45) to which the transfer marking is added is transferred. The transfer marking can be set in any of the recording mode and the reproduction mode. In the recording mode, (a) batch setting with the setting menu,
(b) There is a method of setting while displaying a frozen image immediately after shooting. On the other hand, in the case of the reproduction mode, (c) the display LCD 3
To display and set one frame at a time, and (d) display LCD
3 and set it by playing back thumbnails, and (e) batch setting / setting using the setting menu as in the recording mode.
There is a way to cancel.

For example, when setting by reproducing and displaying one frame, the transfer / marking button 12 is operated by pushing the transfer / marking button 12 while displaying one frame image on the display LCD 3 as shown in FIG. Then, a list file 47 is generated in the image folder 44 of FIG. 46 is a list showing the recorded contents of the list file 47. When the transfer / marking button 12 is operated with the image specified as described above, the file name 48 of the specified image is recorded in the list 46,
A transfer mark 33 is displayed on the display LCD 3 as shown in FIG.

In the example of FIG. 3, "DSCN0002.j
Since the file names 48 having the names “pg” and “DSCN0004.jpg” are recorded, the transfer marking is added to the image file 45 having these file names.
Note that the image with the transfer marking added is displayed on the LCD 3.
When the image is reproduced and displayed, the transfer mark 33 shown in FIG. 4 is always displayed, so that the camera user can easily confirm which image has the transfer marking.

<< Description of Image File Transfer Operation >> FIG.
FIG. 2 is a diagram showing a system configuration when an image file 45 is transferred to a PC 20. USB connection terminal 1 of electronic camera 1
3 is connected to a USB connection terminal 24 of the PC 20 via a USB cable 21. Reference numeral 22 denotes a monitor connected to the PC 20. The PC 20 is connected to the Internet via a modem 25 and a general telephone line. For example, P
After transferring the image file 45 to C20, the image file 45 can be transferred to a photo service using the Internet.

A transfer processing program is installed in the PC 20 in advance. This program, for example,
When the PC 20 recognizes that the electronic camera 1 connected by the USB cable 21 has the file structure shown in FIG. When the USB cable 21 is connected to the electronic camera 1, the transfer / marking button 12 of the electronic camera 1 has a function as a transfer button for instructing the start of transfer.

At the time of transfer operation, as shown in FIG. 3, "order.jo" is stored in the DCIM directory of the memory card 424.
A file 50 called “b” and a file 51 called “reply.job” are generated. The “order.job” file 50 is created by the electronic camera 1 and referenced by the PC 20. On the other hand, the “reply.job” file 51 is created by the PC 20 and is referred to by the electronic camera 1. In this manner, the processing on the camera side and the processing on the PC side are performed in association with the memory card 424 as a middleman, and the transfer operation of the image file 45 to the PC 20 is performed.

FIGS. 6 and 7 are flowcharts showing the procedure from the operation of the transfer / marking button 12 to the end of the image file transfer. 6 shows a processing procedure on the electronic camera 1 side, and a flowchart in FIG. 7 shows a processing procedure on the PC 20 side. Hereinafter, the transfer operation will be described based on the example shown in FIG.

First, the processing on the camera side shown in FIG. 6 will be described. 6 starts when the transfer / marking button 12 of the electronic camera 1 is operated. In step S101, as shown in FIG. 8A, a display 60 indicating that transfer is being prepared is displayed on the display LC.
Display on D3. In step S102, “orde
An “r.job” file 50 is created in the memory card 424, and an instruction 52 “transfer” is written in the file 50.

In step S103, the memory card 42
It is determined whether or not the “reply.job” file 51 has been created in the “reply.job” file 51. When the “reply.job” file 51 has been created, the process proceeds to step S104, and the “reply.job” file 5
Refer to FIG. The “reply.job” file 51 is created by the PC 20 as described above, and in the file, the number of transfers 53 and all the image files 45 having the file names 48 recorded in the list file 47 are completed. The instruction 54 of “finish” indicating that the operation has been performed is recorded. At the beginning of the generation of the “reply.job” file 51, “１ ／” indicating that the first image file is being transferred is recorded as the transfer number 53.

In step S105, it is determined whether the "finish" command 54 is recorded in the "reply.job" file 51. If "YES" is determined, the process proceeds to step S106. If "NO" is determined, step S109 is determined. Proceed to. When the process proceeds from step S105 to step S109, the display on the display LCD 3 is updated according to the recorded contents of the "reply.job" file 51.

Specifically, the first image file 45
In the “reply.job” file 51 during transfer of the file name “DSCN0002.jpg”, the transfer number 53 of “「 ”is recorded, and the second image file 4
5 (file name “DSCN0004.jpg”), a transfer number 53 of “2/2” is recorded. Then, after the transfer of the second image file 45 is completed, the above-mentioned command “finish” 54 is recorded.
Then, while the first image file 45 is being transferred, the displays 61, 62, and 63 as shown in FIG. A display 61 is a display indicating that the image file is being transferred, and a display 62 is a display indicating how many image files are being transferred.
The display 63 shows the progress of the transfer in a bar graph.

On the other hand, the "reply.job" file 51 contains "fin
If the process proceeds from step S105 to step S106 due to the presence of the "ish" command 54, the "order.job" file 50 in the memory card 424 is deleted in step S106. In step S107, it is determined whether or not the “reply.job” file 51 has been deleted by the PC 20, and if it has been deleted, the process proceeds to step S108. Step S
At 108, the displays 64 and 65 as shown in FIG. The display 64 indicates the image file 4 of the file name 48 recorded in the list file 47.
5 is a display indicating that all data has been transferred. Display 65
Is a display indicating that the power of the electronic camera 1 may be turned off.

Next, the processing procedure on the PC side shown in FIG. 7 will be described. In step S201, the memory card 42
4. It is determined whether or not the “order.job” file 50 has been created in step S4.
Proceed to 202. In step S202, “order.job”
In response to the "transfer" instruction 52 in the file 50, FIG.
"Reply.job" file 51 shown in
24. `` Reply.
The recorded contents in the “job” file 51 are as described above.

In step S203, the list file 4
7, an image file 45 with a file name 48
Is transferred to the PC 20 side. In step S204, the file name 4 recorded in the list file 47
It is determined whether the transfer of all the image files 45 has been completed. If the determination is YES, the process proceeds to step S205.
If NO is determined, the process proceeds to step S208. When the process proceeds from step S204 to step S208, “re
ply.job "file 51 is updated. For example, when the transfer of the first image file 45 is completed, the transfer number 53 is rewritten from “１ ／” to “「 ”.

On the other hand, when the transfer of all the image files is completed and the process proceeds from step S204 to step S205, the "finish" command 54 is written in the "reply.job" file 51 in step S205. Step S2
At 06, it is determined whether or not the “order.job” file 50 in the memory card 424 has been deleted. If the determination is YES, the process proceeds to step S207. In step S207, the “reply.job” file 5 in the memory card 424
Delete 1

In the processing shown in the flowcharts of FIGS. 6 and 7, when the transfer is completed, a display as shown in FIG. 8C is displayed on the display LCD 3 and the user turns off the power of the electronic camera 1 and Let me know what's good. Therefore, even when the PC is performing another process different from the transfer process, it is possible to inform the user that the image transfer has been completed, and to prompt the power-off of the electronic camera 1 to waste the battery 456. Consumption can be prevented. Also, if the user is a beginner unfamiliar with electronic cameras and PCs, the electronic camera 1
Even if the user is unfamiliar with turning off the power, the display shown in FIG. 8 (c) allows the power to be turned off with ease.

In the example shown in FIG. 8C, the display 65 is displayed to indicate that the camera power can be turned off.
When the C adapter is used, there is no problem of wasteful power consumption of the battery 456, so that the display 65 need not be displayed.

FIG. 9 is a modification of the flowchart of FIG. 6, in which steps S301 to S301 are performed after step S108 of FIG.
The processing in step S303 is added. If the display shown in FIG. 8C is displayed in step S109, the process advances to step S301 to determine whether the AC adapter is connected to the external power supply connection terminal 15 of the electronic camera 1 (see FIGS. 1 and 2). Is determined. If “NO” is determined in the step S301, the process proceeds to a step S302, where YE
When it is determined as S, the processing of the flowchart in FIG. 9 ends.

Step S when the AC adapter is connected
When the process proceeds from step 301 to step 302, in step S302, it is determined whether or not a predetermined time has elapsed since the transfer completion display. If it is determined in step S302 that the predetermined time has elapsed, the process proceeds to step S303. In step S303, the power of the electronic camera 1 is turned off. By doing so, even if the user forgets to turn off the power of the electronic camera 1 after the display of the transfer completion, the power can be turned off to prevent wasteful power consumption of the battery 456.

The power of the electronic camera 1 may be turned off by sending a signal from the PC 20 to the electronic camera 1 or a low power consumption state called a sleep state may be set. Also in this case, useless power consumption of the battery 456 can be prevented. When the USB cable 21 is connected to the PC 20, the PC 20 polls the electronic camera 1 at predetermined time intervals. Therefore, after receiving the sleep instruction signal, the PC 20 does not accept the polling even if there is. Is set to

In the above-described embodiment, the function of the transfer / marking button 12 is switched depending on whether or not the USB cable 21 is connected.
A transfer button and a marking button may be provided. In addition, as the communication method, the U
Not only the SB system but also a wireless system such as Bluetooth may be used.

In the correspondence between the embodiment described above and the elements of the claims, the CCD 214 is used as an image pickup means.
The memory card 424 is a storage medium, the PC 20 is an external storage device, the USB connection terminal 13 and the interface 44.
8, a communication means and an information output means, a battery 456, a drive built-in battery, displays 64, 65, a mark, a transfer / marking button 12, a transfer instruction operating section, and a display L
CD3 represents a display means, the detection device 457 and the CPU 43.
Reference numeral 9 denotes a determination unit, the CPU 439 forms a storage unit and a control unit, the USB connection terminal 24 forms an information input unit, and the USB communication cable 21 forms a transmission unit.

[0046]

As described above, claims 1 and 2
According to the invention, the transfer completion mark and the power-off permission mark are displayed when the transfer of the image data is completed, so that the timing of the completion of the transfer of the image data and the power-off timing of the electronic device can be easily understood. This has the effect of prompting the user to turn off the power. Claim 3 and claim 4
In the electronic device using the drive built-in battery as in the invention of the fourth aspect, it is possible to prevent unnecessary power consumption of the battery by prompting the user to turn off the power by displaying the mark. According to the fifth aspect of the present invention, the power of the electronic device is turned off a predetermined time after the end of the transfer, so that there is an effect of low power consumption. Further, in the inventions according to the first to sixth aspects, since the image data is transferred according to the instruction of the transfer instruction operation unit on the electronic device side, the transfer operation is easy to understand and simple.

[Brief description of the drawings]

FIG. 1 is a diagram showing an embodiment of an electronic device according to the present invention, wherein (a) is a plan view of an electronic camera viewed from above,
(B) is a rear view of the camera viewed from behind.

FIG. 2 is a circuit block diagram of the electronic camera shown in FIG.

FIG. 3 is a diagram qualitatively showing a file structure in a memory card 424.

FIG. 4 is a diagram showing a display example of a transfer mark 33;

FIG. 5 is a diagram showing a system configuration when image data is transferred to a hard disk of a PC 20.

FIG. 6 is a flowchart illustrating a processing procedure on the camera side.

FIG. 7 is a flowchart illustrating a processing procedure on the PC side.

FIG. 8 is a diagram showing a display example of the display LCD 3;
Shows a display during transfer preparation, (b) shows a display during transfer, and (c) shows a display at the end of transfer.

FIG. 9 is a flowchart showing a modification of the processing procedure shown in FIG. 6;

[Explanation of symbols]

 Reference Signs List 1 electronic camera 3 display LCD 12 transfer / marking button 13, 24 USB connection terminal 15 external power supply connection terminal 20 PC (personal computer) 21 USB communication cable 44 image folder 47 list file 12 transfer / marking button 214 CCD 424 memory card 439 CPU 448 Interface 456 Battery 457 Detection device

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 5/907 H04N 101: 00 // H04N 101: 00 G06F 1/00 332Z F-term (Reference) 2H054 AA01 5B011 DA06 EA10 KK11 LL11 5C022 AA13 AB40 AC03 AC13 AC42 AC69 AC73 AC75 5C052 AA12 AA17 CC01 CC11 DD02 EE02 EE03 EE08 GA02 GA08 GA09 GB06 GD03 GD10 GE08 GF00 5C062 AB10 AB17 AB20 AB23 AB38 AB42 AB49 AC05 AC22

Claims (6)

[Claims] 1. An image capturing means for capturing an image of a subject, a storage means for storing image data of an image captured by the image capturing means in a storage medium, and transferring the image data stored in the storage medium to an external storage device. An electronic device provided with a communication unit for transmitting the image data, a transfer instruction operation unit for instructing the transfer of the image data by the communication unit, and a display for displaying a mark indicating that the transfer has been completed by the completion of the transfer of the image data. Electronic equipment comprising: 2. An image pickup means for picking up an image of a subject, a storage means for storing image data of an image picked up by the image pickup means in a storage medium, and transferring the image data stored in the storage medium to an external storage device. A transfer instruction operation unit for instructing the transfer of the image data by the communication unit, and a mark for permitting power-off of the electronic device by the end of the transfer of the image data. An electronic device, comprising: display means for displaying. 3. The electronic device according to claim 2, further comprising a drive built-in battery. 4. The electronic device according to claim 3, wherein: an external power supply connection terminal to which an external power supply can be connected; a determination unit configured to determine whether the external power supply is connected to the external power supply connection terminal; When the determination unit determines that the external power supply is not connected, the display unit allows the display of the mark. When the determination unit determines that the external power supply is connected, the display unit displays the mark. Control means for prohibiting display of the mark is provided. 5. The electronic device according to claim 1, wherein the power of the electronic device is turned off a predetermined time after the end of the transfer of the image data. (A) an external storage device having information input means, (b) imaging means for imaging a subject, and storage means for storing image data of an image taken by the imaging means in a storage medium; An information output unit capable of outputting image data stored in the storage medium to the outside, a transfer instruction operation unit for instructing transfer of the image data via the information output unit, and a low power consumption mode. (C) a transmission unit for transmitting the image data from the information output unit to the information input unit, wherein the electronic device is transmitted from the electronic device via the transmission unit by an instruction of the transfer instruction operation unit. Transfer of image data to the external storage device is started, and after the transfer is completed, the electronic device is set to a low power consumption mode in accordance with an instruction from the external storage device via the transmission unit. Electronic equipment system characterized by the above-mentioned.