JP2000115606A - Installation method for expansion program for image pickup device and the image pickup device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the installation method for an expansion program for an image pickup device and the image pickup device. SOLUTION: This method is provided with a process (S1) for determining whether or not an execution file for installing the extension program for this image pickup device and the resource file of the execution file are present in a prescribed directory, a process (S2) for determing whether or not the resource file is provided with prescribed information when determining that the execution file and the resource file are present and a process (S10) for starting the installation of the extension program when determining that the resource file is provided with the prescribed information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image pickup apparatus provided with means for connecting to an external storage medium and capable of loading a program for expanding functions from the storage medium, and a method of installing an expansion program for the image pickup apparatus. It is.

[0002]

2. Description of the Related Art In recent years, there have been proposed many methods of mounting an extension program other than a photographing program, which is a basic function of a digital camera, on a digital camera in accordance with a user's needs. For example, in Japanese Patent Application Laid-Open No. H8-15747, separately from a memory built in the digital camera main body, a user can attach a detachable EEP-ROM, such as a floppy disk, to a photographing condition instruction and a special photographing mode setting as necessary. The extension program is executed by inserting the program.

[0003]

SUMMARY OF THE INVENTION Detachable EEP-R
In order to execute the program written in the OM with the digital camera, it is necessary to always carry the removable EEP-ROM with the digital camera, and there is a problem that portability is deteriorated. In addition, problems such as specific descriptions of the operations necessary for the end user to execute the program or a description of the storage location of the data when the extension program requires external data input are not made. There was a point.

When an extension program is operated from a removable memory, for example, when the extension program is a communication function, data registered by the extension program, such as information on a destination such as a telephone number, can be attached to and detached from the removable memory. , The data must be re-input each time the PROM is replaced. In that case,
The contents of the data stored in the removable memory can be easily browsed by using a device such as a computer, so that there is also a problem in security.
Furthermore, although the removable memory is originally used for storing images and audio files taken by a digital camera, there is a problem that the number of images that can be taken is reduced by holding the extension program. .

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a method of installing an extension program for an imaging device such as a digital camera and an imaging device.

[0006]

According to the present invention, there is provided a method for installing an extension program for an imaging device, wherein an execution file for installing the extension program for the imaging device and a resource file of the execution file exist in a predetermined directory. A first judging step of judging whether or not the execution file and the resource file are present in the first judging step; and a second judging step of judging whether or not the resource file has predetermined information. And an installation step of starting installation of the imaging device extension program when it is determined in the second determination step that the resource file has predetermined information.

Further, the image pickup apparatus of the present invention has a connection means with an external storage medium, can take in an extension program for expanding functions from the storage medium, and installs the extension program in a predetermined directory. First determining means for determining whether there is an executable file for the execution and a resource file of the executable file;
When the first determining means determines that the execution file and the resource file exist, the second determining means determines whether the resource file has predetermined information, and the second determining means determines whether the resource file has the predetermined information. Control means for starting installation of the extension program when it is determined that the file has predetermined information.

[0010] According to the above configuration, the method of permitting the execution of the installation by the combination of the execution file and the resource file is used to manage the program as a file on the file system without managing the program by the absolute address. In addition, it is easy for the user to add and install the extension program. Further, it becomes easier for the manufacturer to provide the extension program to the user. In addition, since it is very easy for a user to place some file from a computer or other device in a designated directory for installing an extension program that exists in a removable memory, a combination of an execution program file and a setting file having the same name is used. Security for the first time by allowing end users to install it.

Also, by installing the program in the PROM of the camera body without operating the program from the removable memory, the extension program such as the information of the other party such as the telephone number when the communication function is used is conventionally used. The data registered in the available memory is the PR of the camera body.
Since the data is registered in the OM, it is not necessary to re-input the data even when the PROM is replaced, and furthermore, the data cannot be easily browsed by a device such as a computer, so that the security of information is improved. Further, the memory area of the removable memory occupied by the conventional extension program can be used as a storage area for images and audio files photographed by the digital camera, so that the number of recordable images can be increased.

According to a preferred aspect of the present invention, the predetermined information includes version information of the extension program for the imaging device, and when the version information coincides with what the camera expects, the predetermined information may be different. The extension program can be installed in the digital camera according to the same rules.

Preferably, in the method of installing an extension program for an imaging apparatus according to the present invention, it is preferable that a step of determining whether power required for installing the extension program for the imaging apparatus can be secured, And displaying a message to the effect that it is not possible to secure the information.

[0012] The image pickup apparatus may determine whether power required for installing the extension program can be secured or not, and display means for determining that the required power cannot be secured. And further comprising:

Further, according to a preferred aspect of the present invention, when it is determined that necessary power cannot be secured, the installation is not performed.

[0014] With the above configuration, it is possible to prevent the inconvenience of ending the firmware rewriting midway due to the power being lost during the installation.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing a configuration of an imaging apparatus according to an embodiment of the present invention.

In FIG. 1, reference numeral 100 denotes an imaging device.

In the image pickup apparatus 100, reference numeral 10 denotes an image pickup lens, reference numeral 12 denotes a shutter having an aperture function, reference numeral 14 denotes an image pickup device for converting an optical image into an electric signal, and reference numeral 16 denotes an image pickup device 14.
A / D that converts the analog signal output of the
The converter 18 is an imaging device 14, an A / D converter 16, a D /
This is a timing generation circuit that supplies a clock signal and a control signal to the A converter 26, and is controlled by the memory control unit 22 and the system control unit 50.

Reference numeral 20 denotes an image processing unit, and the A / D converter 1
A predetermined pixel interpolation process or color conversion process is performed on the data from the memory 6 or the data from the memory control unit 22. Also,
The image processing unit 20 performs a predetermined calculation process using the captured image data, and the system control unit 50 sends a command to the exposure control circuit 40 and the distance measurement control unit 42 based on the obtained calculation result. TTL (through the lens)
AF (auto focus) processing, AE (auto exposure) processing, and EF (flash pre-emission) processing are performed. Further, the image processing unit 20 performs predetermined arithmetic processing using the captured image data, and also performs TTL AWB (auto white balance) processing based on the obtained arithmetic result.

A memory control unit 22 controls the A / D converter 16, the timing generation circuit 18, the image processing unit 20, the image display memory 24, the D / A converter 26, the memory 30, and the compression / decompression circuit 32. I do. The data of the A / D converter 16 is transmitted through the image processing unit 20 and the memory control unit 22.
Alternatively, the data is directly written to the image display memory 24 or the memory 30 via the memory control unit 22.

Reference numeral 24 denotes an image display memory; 26, a D / A converter; and 28, an image display section comprising a TFT LCD or the like. Is displayed by the image display unit 28 via the. If image data captured using the image display unit 28 is sequentially displayed, an electronic finder function can be realized. In addition, the image display unit 28 arbitrarily turns on / off the display according to an instruction from the system control unit 50.
When the display is turned off, the power consumption of the imaging device 100 can be significantly reduced.

Reference numeral 30 denotes a memory for storing photographed still images and moving images, which has a sufficient storage capacity to store a predetermined number of still images and a moving image for a predetermined time. This makes it possible to write a large amount of images to the memory 30 at high speed even in continuous shooting or panoramic shooting in which a plurality of still images are continuously shot. The memory 30 can also be used as a work area of the system control unit 50.

Reference numeral 32 denotes an adaptive discrete cosine transform (ADCT).
A compression / decompression circuit for compressing / decompressing image data by reading the image stored in the memory 30 and performing compression or decompression processing, and writing the processed data to the memory 30 again.

An exposure control circuit 40 controls the shutter 12 having an aperture function, and also has a flash dimming function in cooperation with the flash 48. 42 is a distance measurement control circuit that controls focusing of the imaging lens 10, 44 is a zoom control circuit that controls zooming of the imaging lens 10, and 46 is a protection device 1 that is a barrier.
02 is a barrier control circuit that controls the operation of the control circuit 02. Reference numeral 48 denotes a flash, which also has an AF auxiliary light projecting function and a flash dimming function.

The exposure control circuit 40 and the distance measurement control means 42
It is controlled using the TL method, and based on a calculation result obtained by calculating the captured image data by the image processing unit 20,
The system control unit 50 controls the exposure control circuit 40 and the distance measurement control circuit 42.

Reference numeral 50 denotes a system control unit for controlling the entire image pickup apparatus 100; and 52, a memory for storing constants, variables, programs, and the like for operation of the system control unit 50. 54
Corresponds to the execution of the program by the system control unit 50,
A display unit such as a display device or a speaker that informs a user of an operating state or a message using characters, images, sounds, or the like, and is installed at one or more locations near the operation unit of the imaging device 100 so as to be easily visible. You. For example, LCD and LE
It is composed of a combination of D, a sounding element, and the like. The display unit 54 has a part of its functions installed in the optical viewfinder 104.

Of the display contents of the display unit 54, those displayed on the LCD or the like include a single shot / continuous shooting display, a self-timer display, a compression ratio display, a recording pixel number display, a recording number display, and a remaining number of recordable images. Display, shutter speed display, aperture value display, exposure compensation display, flash display, red-eye reduction display, macro shooting display, buzzer setting display,
There are a remaining battery display for a clock, a remaining battery display, an error display, an information display using a plurality of digits, a detachable state display of the recording media 200 and 210, a communication I / F operation display, a date / time display, and the like.

Of the display contents of the display unit 54, those displayed in the optical viewfinder 104 include a focus display, a camera shake warning display, a flash charge display, a shutter speed display, an aperture value display, and an exposure correction display. is there.

Reference numeral 56 denotes an electrically erasable / recordable nonvolatile memory, for example, an EEPROM or the like. 6
Reference numerals 0, 62, 64, 66, 68, and 70 denote operation means for inputting various operation instructions of the system control unit 50. The operation means includes a switch, a dial, a touch panel, pointing by gaze detection, a voice recognition device, or the like. It is composed of multiple combinations.

The operation means will be described below. Reference numeral 60 denotes a mode dial switch, which can switch and set various function modes such as a power-off mode, an automatic shooting mode, a shooting mode, a panoramic shooting mode, a playback mode, a multi-screen playback / erase mode, and a PC connection mode.

Reference numeral 62 denotes a shutter switch SW1, which is turned on during the operation of a shutter button (not shown), and
(Auto focus) processing, AE (auto exposure) processing, A
It instructs to start operations such as WB (auto white balance) processing and EF (flash pre-emission) processing.

Reference numeral 64 denotes a shutter switch SW2, which is turned on when the operation of a shutter button (not shown) is completed, and transfers a signal read from the image sensor 12 to the memory 30 via the A / D converter 16 and the memory control unit 22. Exposure processing for writing, development processing using calculations in the image processing unit 20 and the memory control unit 22, reading out image data from the memory 30, compression by the compression / decompression circuit 32, and
Alternatively, it instructs 210 to start the operation of a series of processing of recording image data.

Reference numeral 66 denotes an image display ON / OFF switch.
ON / OFF of the image display unit 28 can be set. With this function, it is possible to save power by cutting off the current supply to the image display unit 28 composed of a TFT LCD or the like when shooting with the optical viewfinder 104.

Reference numeral 68 denotes a quick review ON / OFF switch for setting a quick review function for automatically reproducing image data taken immediately after shooting. In this embodiment, a function for setting a quick review function when the image display unit 28 is turned off is provided.

An operation unit 70 includes various buttons, a touch panel, etc., and includes a menu button, a set button, a macro /
Non-macro switching button, multi-screen playback page break button, flash setting button, single / continuous / self-timer switching button, menu move + (plus) button,
Move menu-(minus) button, move playback image +
There are a (plus) button, a playback image-(minus) button, a shooting image quality selection button, an exposure compensation button, a date / time setting button, and the like.

Reference numeral 80 denotes a power supply control unit, which includes a battery detection circuit, DC
-It is composed of a CD converter, a switch circuit for switching the block to be energized, and the like.
The type of the battery and the remaining amount of the battery are detected, and the DC-DC converter is controlled based on the detection result and the instruction of the system control unit 50, and a required voltage is supplied to each unit including a recording medium for a required period.

Reference numerals 82 and 84 denote connectors, 86 denotes a primary battery such as an alkaline battery or a lithium battery, a NiCd battery or a NiM
It is a power supply means including a secondary battery such as an H battery and a Li battery, and an AC adapter.

Reference numerals 90 and 94 denote interfaces with recording media such as a memory card and a hard disk, reference numerals 92 and 96 denote connectors for connecting to recording media such as a memory card and a hard disk, and reference numeral 98 denotes a recording medium 200 or 210 to the connectors 92 and / or 96. Is a recording-medium attachment / detachment detection circuit for detecting whether or not is attached.

In this embodiment, the description has been made assuming that there are two interfaces and connectors for attaching a recording medium. Of course, the interface and the connector for attaching the recording medium may have a single or plural number of systems. Further, a configuration in which interfaces and connectors of different standards are provided in combination may be adopted.

As the interface and the connector,
It is possible to use a PCMCIA card or a CF (Compact Flash) card or the like that conforms to the standard. When the interfaces 90 and 94 and the connectors 92 and 96 are configured using standards such as PCMCIA cards and CF cards, LAN cards, modem cards, USB cards, IEEE 1394 cards, P1284 cards, SCSI cards, PHS, etc. By connecting various communication cards such as a communication card, image data and management information attached to the image data can be transferred between other computers and peripheral devices such as a printer.

Reference numeral 102 denotes an imaging lens 1 of the imaging apparatus 100.
This is a barrier that is a protection device that protects the image capturing unit from dirt and damage by covering the image capturing unit including “0”. This protection device 1
The barrier 02 is open during shooting, but when the shooting ends, the barrier is closed to protect the imaging unit. Before operating the protection device 102, the system control unit 50 detects the position of each lens group in order to store the imaging lens 10 in the camera. If it is determined that the imaging lens 10 has been extended, the imaging lens 10 is extended to the retracted position. At this time, the barrier of the protection device 102 is closed while synchronizing with the retraction of the imaging lens 10, and the operation ends. In the present embodiment, the barrier control of the protection device 102 is driven by the independent barrier control circuit 46. However, it is also possible to adopt a system in which the drive is mechanically linked with the drive of the imaging lens 10. Does not matter.

Reference numeral 104 denotes an optical finder, which enables photographing using only the optical finder without using the electronic finder function of the image display unit 28. Further, in the optical viewfinder 104, some functions of the display unit 54, such as a focus display, a camera shake warning display, a flash charge display, a shutter speed display, an aperture value display, an exposure compensation display, and a macro shooting setting display, are provided. is set up.

Reference numeral 110 denotes a communication circuit, such as RS232C or US
It has various communication functions such as B, IEEE1394, P1284, SCSI, modem, LAN, and wireless communication.

Reference numeral 112 denotes a communication circuit 110 which controls the imaging device 1.
In the case of wireless communication, it is an antenna for connecting a connector 00 to another device.

Reference numerals 200 and 210 are recording media such as a memory card and a hard disk. The recording media 200 and 210 include recording units 202 and 212 each formed of a semiconductor memory, a magnetic disk, or the like, and
0, and connectors 206 and 216 for connecting to the imaging apparatus 100.

FIG. 2A is a top view of an electronic camera to which the present image transmitting / receiving apparatus having a reproducing function is applied, and FIG. 2B is a rear view of the electronic camera. Reference numerals similar to those in FIG. 1 indicate the same components. Reference numeral 116 denotes a shutter button. The image captured by the camera is displayed on the image display unit 28, which is generally referred to as an LCD because it uses an LCD (Liquid Crystal Display). A screen for inputting information for image editing and image transmission is also provided on the LCD 2.
For example, when a slide show or the like is performed in a presentation, an image can be externally output by connecting a monitor (not shown) such as a TV receiver to the connector 112. When a modem is connected for image transmission / reception, it is connected to the connector 112 using a dedicated cable.

The operation buttons of the operation unit 70 include [ME
[NU] button, [SET] button, [+] button [-]
There is a button. These operation buttons of the operation unit 70 are used as follows.

The [MENU] button can be used for menu selection for image reproduction and image recording, activates the menu, and returns to the upper hierarchy under the menu hierarchy including image operations. The [SET] button can also be used for menu selection for image reproduction and image recording, and is used to determine menu items. The [+] button is used to move a menu selection item to the next item or to move a selected image to a new image. The [-] button is used to move a menu selection item to the previous item or to move a selected image to an older image.

FIG. 3 shows an example of a directory structure of data recorded on a recording medium.

In the figure, CTG_XXXX (X indicates a number, the same applies hereinafter) indicates a directory indicating an image data file, and misc indicates a directory indicating a file for installing an extended function such as a slide show or image transmission. .

Out_XXXX. JPG is a compressed image data file based on JPEG (International Standard), Thm_
XXXX. JPG indicates a thumbnail image data file, and Out_XXXX. CRW indicates a CCDRAW (indicating that data from the image pickup element is recorded as it is without compression) data files. Out_XXXX. J
PG and Thm_XXXX. JPG is a pair. That is, the normal image (Aut_XXXX.
JPG) and thumbnail images (Thm_XXXX.JP)
G) is recorded on the recording medium with the same four-digit number, and is provided for screen reproduction, image transmission processing, and the like.

In this example, as an example, up to 9999 CTG_XXXXs can be stored, and Auto_XXXX. JPG
And Thm_XXXX. JPG (.CRW) can be stored up to 50 for each CTG_XXXX.

Next, the installation operation of the extension program according to the embodiment of the present invention will be described.

The extension program is a program that is installed by the end user as necessary, and operates as a completely different function from the functions built in the camera body. As an example, the following application can be considered.

1) Communication File transmission / reception using a file transfer protocol Function to attach an image file to E-mail and transmit (including Encode function) Function to transmit an image to FAX 2) Convert image file format (JPEG)
3) Editing of image files (color reduction, rotation, concatenation, etc.) 4) Processing for preventing falsification of image files (digital watermarking, etc.) In the present embodiment, a removable memory of a digital camera, for example, recording By placing a specified file in a specified directory of a compact flash card or a smart media card used as a medium, a start button for starting an installation program appears on a user interface (UI) of the digital camera. The specified file is an executable file (exe
File (init file) and its execution file resources (such as character strings used for UI)
File), and if one of them is missing, the file cannot be installed.

FIG. 4 is a flowchart showing the operation up to the start of the installation of the extension program according to the present embodiment. FIG. 5 shows the initial screen of the extension program after the installation start button is displayed and then the installation is completed. FIG. 7 is a UI transition diagram up to the end of FIG. As an example of a method of installing an extension program, a case where a program “Transfer” for extending a communication function is installed will be described. Here, a compact flash card is used as a removable memory.

First, an extension program (here, Tran
sfer. img) in the designated directory of the compact flash card (eg, root (c :) in FIG. 3).
A set of an executable file and a setting file having the same name (Setup.ex in FIG. 3) is stored in \ dc97 {misc}.
e and Setup. Check if ini) exists. If at least one does not exist (step S
No in 1), the installation is determined to be impossible, and the process ends.
If both exist (Yes in step S1),
Proceed to step S2 to execute the executable file (Setup.ex).
e) Read the information on the setting file (Setup.ini) having the same name as that of the setting file. For example, “Di
If it is specified to read the information after the label (character string) of “gital Eye executable”, the header of the setting file is read.

The setting file includes, for example, Digita
leye executable: VERSION =
[Version No (4 digits)]: [Signature
[re title] is stored, and if it does not exist, the installation start start button does not appear. If the file name is used as the start button, the DOS file name conventions such as the number of characters that can be used as the file name (for example, up to 8 characters) and the limit of usable characters (the number of symbols cannot be used) are used. Since the button name is restricted, a character string written in [Signature Title] is used as the activation button name instead of the file name here. In the present embodiment,
[Signature Title] is "Setup"
And

In the setting file (Setup.ini),
If there is no information following the designated label (No in step S2), the process is terminated as installation is impossible. If it exists (Yes in step S2), the process proceeds to step S3, and the version information is confirmed. this is,
This is to make it possible to install the extension program according to the same rules on a digital camera of a different model, and it will not be possible to install even if the character string of the number here is not what the camera expects (No in step S3). If the version is what the camera expects (Yes in step S3)
s), the process proceeds to step S5, and the display 28 displays, for example, FIG.
An installation start button as shown in (1) is displayed.

When the UI is in the state of (1) in FIG.
[Ture Title] button (in this embodiment, tapping the [Setup] button (using the [+] button and the [-] button of the operation unit 70 to move the cursor to the [Setup] button)
p] button, and set the digital camera's [SET]
Press the button) to start. In step S6, it is determined whether or not the [Setup] button has been designated. If the [Setup] button has not been designated ([Print in the example of (1) in FIG. 5)
If the [Mark] button is pressed), the corresponding process is performed in step S7, and if the [Setup] button is designated, the process proceeds to step S8.

In the digital camera of this embodiment, the installation of the extension program involves the work of rewriting the firmware written in the digital camera by default, so that the installation involves some danger. Therefore, in order to prevent accidental rewriting due to the carelessness of the user, [Cance] for confirmation is performed twice in steps S8 and S9.
(1) / [OK] is selected by the user via the UI (FIGS. 5 (2) and (3)).

Also, if the power is lost during installation, the firmware rewriting ends in the middle, and the digital camera does not start up.
ow battery is displayed (FIG. 3
(5)) The security may be enhanced by making installation impossible.

If the [Cancel] button is designated in either step S8 or S9, step S5
Then, the screen shown in FIG. 5A is displayed. If the [OK] button is specified in both steps S8 and S9, installation is started (S10). During the installation, a display such as (4) in FIG.

As a method of indicating the progress of the installation, the progress is displayed by counting up. The display of the progress may be displayed on a display unit (display 54) different from the liquid crystal displaying the UI immediately before the start of the installation for the purpose of reducing the code capacity.

The UI shown in FIGS. 5 (2), (3) and (5)
While the screen is displayed, [MEN] of the operation unit 70
Pressing the [U] button returns to the initial screen shown in FIG.

When the installation of the Transfer program is completed, as shown in FIG.
A screen with a [Transfer] button added is displayed on the screen. When this [Transfer] button is specified, the [Transfer] program is started,
The initial screen of the program shown in FIG. 6 (2) is displayed, and the screen returns to the screen of FIG. 6 (1) by pressing the [MENU] button of the operation unit 70. Also, the [Setup] button is
If you remove the installation program from the CompactFlash card from which the program was installed,
It disappears from the display.

[0067]

As described above, according to the present invention,
By using a method that makes a button for installation appear by the combination of the executable file and the resource file, the program is managed as a file on the file system without managing the program by the absolute address. Installation is easier for the user. Further, it becomes easier for manufacturers to provide extension programs to users. In addition, since it is very easy for a user to place some file from a computer or other device in a designated directory for installing an extension program that exists in a removable memory, a combination of an execution program file and a setting file having the same name is used. Security for the first time by allowing end users to install it.

Also, by installing the program in the PROM of the camera body without operating the program from the removable memory, it is possible to attach or remove the program by using an extension program such as information on the other party such as a telephone number when using the communication function. The data registered in the available memory is the PR of the camera body.
Since the data is registered in the OM, it is not necessary to re-input the data even when the PROM is replaced, and furthermore, the data cannot be easily browsed by a device such as a computer, so that the security of information is improved. Further, the memory area of the removable memory occupied by the conventional extension program can be used as a storage area for images and audio files photographed by the digital camera, so that the number of recordable images can be increased.

[0069]

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of an imaging device according to an embodiment of the present invention.

FIG. 2 is an external view of a digital camera according to the present embodiment.

FIG. 3 is a directory configuration diagram according to the present embodiment.

FIG. 4 is a part of a flowchart of a main routine in the present embodiment.

FIG. 5 is a UI transition diagram in the present embodiment.

[Explanation of symbols]

 Reference Signs List 10 shooting lens 12 shutter 28 image display unit 54 display unit 60 mode dial switch 70 operation unit 82, 84 connector 92, 96 connector 100 imaging device 102 protection device 104 optical finder 116 shutter button 112 connector 200, 210 recording medium 206, 216 connector

Claims (13)

[Claims] 1. A method of installing an imaging device extension program, the method comprising: determining whether an execution file for installing the imaging device extension program in a predetermined directory and a resource file of the execution file exist. A first determining step of determining whether or not the resource file has predetermined information when it is determined in the first determining step that the execution file and the resource file exist; An installation step of starting installation of the expansion program for the imaging device when it is determined in the second determination step that the resource file has the predetermined information. Method. 2. The method according to claim 1, wherein the executable file and the resource file have the same file name but different extensions. 3. The method according to claim 1, wherein the predetermined information includes version information of the extension program for the imaging device. 4. A step of judging whether or not power required for installing the imaging device extension program can be secured, and a step of displaying a message when it is determined that required power cannot be secured. 2. The method according to claim 1, further comprising:
4. An installation method of the extension program for an imaging device according to any one of claims 3 to 3. 5. The method according to claim 4, wherein the step of deactivating the installation step is performed when it is determined that necessary power cannot be secured. 6. A computer-readable memory storing an installation method of an imaging device extension program, wherein: an execution file for installing the imaging device extension program in a predetermined directory; and a resource file of the execution file. A code of a first determination step of determining whether or not the resource file exists; and determining whether or not the resource file has predetermined information when the execution file and the resource file are determined to be present in the first determination step. A code for a second determination step for determining, and a code for an installation step for starting installation of the imaging device extension program when the resource file is determined to have the predetermined information in the second determination step. A computer readable memory comprising: 7. A code for a step of determining whether or not power required for installing the imaging device extension program can be secured, and when it is determined that the required power cannot be secured, a message to that effect is displayed. 7. The computer readable memory of claim 6, further comprising a process code. 8. The computer-readable memory according to claim 7, further comprising a code for a step of deactivating the installation step when it is determined that necessary power cannot be secured. 9. An imaging apparatus comprising a connection unit with an external storage medium and capable of taking in an extension program for expanding a function from the storage medium, wherein the execution apparatus is configured to install the extension program in a predetermined directory. First determining means for determining whether a file and a resource file of the executable file are present; and determining that the executable file and the resource file are present when the first determining means determines that the executable file and the resource file are present. Second determining means for determining whether or not the resource file has the predetermined information; and control means for starting installation of the extension program when the second determining means determines that the resource file has the predetermined information. An imaging device, comprising: 10. The imaging apparatus according to claim 9, wherein the executable file and the resource file have the same file name but different extensions. 11. The imaging device according to claim 9, wherein the predetermined information includes version information of the extension program. 12. A system further comprising: means for determining whether or not power required for installing the extension program can be secured; and means for displaying, when it is determined that the required power cannot be secured, to that effect. 10. The method according to claim 9, wherein
12. The imaging device according to any one of claims 11 to 11. 13. The imaging apparatus according to claim 12, wherein when it is determined that necessary power cannot be secured, the control unit controls so as not to execute installation of the extension program.