JP2004023540A - Photographing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To shorten time associated with initialization on a recording medium such as a flash memory in a digital camera, particularly, time until starting using the recording medium for which the initialization of a logic conversion table in a photographing device. <P>SOLUTION: In a digital camera 100, in photographing processing, after a power source switch SW1 is turned on or a lens barrier is opened, the initialization of a memory card is not carried out but just after an initial operation, only memory card management information of the memory card is first acquired and detecting processing of a release operation and AE/AF processing associated with photographing are carried out. After picked-up image data are generated, the initialization of the memory card is carried out so that time until making photographing of a first picture possible just after ON of a power source is shortened. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a photographing device.
[0002]
[Prior art]
2. Description of the Related Art Recently, digital cameras are rapidly becoming popular because they can check the photographing result on the spot and easily print image data recorded on a memory card with a personal computer at home. For this reason, the demands of users for digital cameras have diversified, and digital camera manufacturers have tended to differentiate themselves from competitors by improving the shooting function and adding additional functions other than the shooting function. And the progress of multifunctionality is accelerating.
[0003]
[Problems to be solved by the invention]
However, in such a conventional digital camera, the performance required for the control system is also increased in order to advance the sophistication and multi-function, and a CPU (Central Processing Unit) or the like which is the center of the control system is required. The processing load on the memory also tends to increase.
[0004]
In addition, users who want digital cameras to be more sophisticated and multi-functional also place emphasis on operability, which increases the processing load. It is not preferable that the shooting time becomes longer and a shooting opportunity is missed.
[0005]
For example, a flash memory, which is often used as a memory card for recording image data in a digital camera, requires complicated management procedures (initialization procedure, data writing procedure, data erasing procedure, data rewriting procedure) of its internal memory space. This has been a major factor in slowing down the processing speed in each operation mode of the digital camera.
[0006]
At present, some memory cards that are mainly used, such as Memory Stick (trademark), require a logical-physical conversion table to be initialized every time reading / recording is performed on the memory card. is there. (See http://www.memoryistic.org/mseasy/jp/mstec/g-ronri.pdf)
When using (reading / recording) a memory card of this kind, the logical-physical conversion table must be initialized each time it is used, and it takes a long time before the memory card becomes usable.
[0007]
An object of the present invention is to reduce the time required for initialization processing on a recording medium such as a flash memory in a digital camera in a photographing apparatus, and in particular, the time required to start using a recording medium that requires initialization processing of a logical conversion table. That is.
[0008]
[Means for Solving the Problems]
In order to solve the above problems, the invention according to claim 1 is:
In a photographing apparatus including: a captured image acquisition unit that acquires a captured image from an imaging unit; and a recording unit that records the acquired captured image on a recording medium.
After the captured image is obtained by the captured image obtaining unit, the storage unit performs an initialization process for using the recording medium, and includes a recording control unit that causes the recording unit to record the captured image on the recording medium. Features.
[0009]
According to the invention described in claim 1,
In a photographing apparatus comprising: a captured image acquisition unit that acquires a captured image from an imaging unit; and a recording unit that records the acquired captured image on a recording medium, the recording control unit determines that the captured image is acquired by the captured image acquisition unit. After the acquisition, an initialization process for using the recording medium is performed, and the recording unit records the captured image on the recording medium.
[0010]
Therefore, it is possible to shorten the time from the start of the photographing apparatus until the photographing of the first image becomes possible.
[0011]
According to a second aspect of the present invention, in the image capturing apparatus according to the first aspect, a display unit for displaying a captured image by the captured image obtaining unit is provided, and the recording control unit displays the captured image on the display unit. In such a case, the recording medium may be initialized.
[0012]
According to the second aspect of the invention,
A display unit that displays a captured image by the captured image acquisition unit, wherein the recording control unit performs an initialization process on the recording medium when the captured image is displayed on the display unit, thereby providing a user with It is not necessary to be conscious of the initialization processing of the recording medium, and it is possible to make it conscious that the time until the first image can be photographed is shortened.
[0013]
According to a third aspect of the present invention, in the imaging device according to the first or second aspect, the recording control unit records the captured image on the recording medium after the captured image is acquired by the captured image acquisition unit. The initialization may be performed only for the region to be set.
[0014]
According to the third aspect of the invention,
After the captured image is acquired by the captured image acquiring unit, the recording control unit initializes only an area of the recording medium in which the captured image is recorded, thereby allowing a user to perform a recording medium initialization process. The initialization process of the recording medium can be executed in a short time without being aware of the problem.
[0015]
According to a fourth aspect of the present invention, in the image capturing apparatus according to any one of the first to third aspects, the image capturing apparatus further includes a captured image storage unit configured to store a captured image acquired by the captured image acquisition unit. The control unit may perform an initialization process of the recording medium after storing the captured image acquired by the captured image acquisition unit in the captured image storage unit.
[0016]
According to the fourth aspect of the present invention, there is provided a captured image storage unit for storing the captured image acquired by the captured image acquisition unit, and the recording control unit stores the captured image acquired by the captured image acquisition unit. By performing the initialization process of the recording medium after storing in the captured image storage unit, the captured image can be kept in the captured image storage unit even when the captured image cannot be recorded on the recording medium. The convenience and reliability of the device can be improved.
[0017]
According to a fifth aspect of the present invention, in the photographing apparatus according to the fourth aspect, the recording control unit records the captured image stored in the captured image storage unit on the recording medium during an initialization process of the recording medium. Recording permission / non-permission determining means for determining whether or not recording is possible; if the recording permission / non-permission determining means determines that recording is not possible, the captured image is stored in the captured image storage means, and the recording medium is not recordable. It may be provided with a notifying means for notifying that there is something.
[0018]
According to the invention described in claim 5,
The recording control unit includes a recording permission determination unit that determines whether a captured image stored in the captured image storage unit can be recorded on the recording medium during an initialization process of the recording medium, and a recording permission determination unit. If it is determined that recording is not possible, the captured image is stored in the captured image storage means, and the notifying means for notifying that the recording medium is not recordable is provided. Therefore, it is possible to reliably notify the user of the abnormality of the recording medium, and to improve the convenience and reliability of the photographing apparatus.
[0019]
According to a sixth aspect of the present invention, in the photographing apparatus according to any one of the first to fifth aspects, the recording control means detects a use state of the recording medium immediately after starting the photographing apparatus. You may.
[0020]
According to the invention described in claim 6,
The recording control means can efficiently execute the recording medium initialization process by detecting the use state of the recording medium immediately after the start of the photographing apparatus.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[First Embodiment]
1 to 3 show a digital camera according to a first embodiment of the present invention.
First, the configuration will be described.
In FIG. 1, a digital camera 100 includes a lens unit 1, an imaging unit 2, an image signal processing unit 3, a built-in memory 4, a memory card A5, a memory card B6, a monitor drive circuit 7, a liquid crystal monitor 8, a T / G unit 9, It comprises a CPU 10, a RAM 11, a ROM 12, a key matrix 13, a secondary battery 14, a power switch SW1, and a door open / close switch SW2.
[0022]
Further, the digital camera 100 includes a lens unit 1 and the like on the front surface of a housing 100a, as shown in the external perspective view of FIG. 2, and two types of memory cards A having different shapes are provided on the bottom surface of the housing 100a. , A memory slot 20 capable of accommodating the memory card B at the same time, a battery slot 30 accommodating the secondary battery 14, and a slot opening / closing door 100b which is opened / closed when the memory card A, the memory card B and the secondary battery 14 are attached / detached. Prepare.
[0023]
When the user opens the slot opening / closing door 100 b in FIG. 2, the attachment / detachment of the memory cards A and B to / from the memory slot 20 and the attachment / detachment of the secondary battery 14 to / from the battery slot 30 become possible. However, when the slot opening / closing door 100b is opened, the secondary battery 14 is in a power-off state because an electrical connection state with a power terminal portion (not shown) formed inside the battery slot 30 is released. Become.
[0024]
Further, when the terminal portion A1 of the memory card A and the terminal portion B1 of the memory card B shown in FIG. It is electrically connected to each connection terminal (not shown) formed at each opposing position of B1.
The state of attachment / detachment of the memory cards A and B is detected by a memory card I / O 16 described later, and a detection signal is output to the CPU 10. The memory card A and the memory card B are recorded, read, and erased by the CPU 10 via the memory card I / O 16 by the CPU 10.
[0025]
The lens unit 1 includes a lens group that captures an optical image of an object, a diaphragm that adjusts the amount of light transmitted through the lens group and adjusts exposure, and an optical image of the object formed on the optical path of the lens unit 1. Is photoelectrically converted by a CCD (Charge Coupled Device) (not shown) in the imaging unit 2, and an image signal (analog signal) obtained by the photoelectric conversion is output to the imaging signal processing unit 3. The imaging unit 2 controls the photoelectric conversion timing of the CCD in synchronization with a timing signal input from the T / G unit 9.
[0026]
The image signal processing unit 3 performs various image processing such as sensitivity correction on the image signal input from the imaging unit 2 to generate a predetermined image signal, and converts the generated image signal from an analog signal to a digital signal. The digitally converted image data is output to the monitor drive circuit 7 in accordance with an image display instruction from the CPU 10 and is compressed by a predetermined compression method while expanding the digitally converted image data in the built-in memory 4 in accordance with an image recording instruction from the CPU 10. Then, the data is recorded on the memory cards A5 and B6.
It should be noted that whether to record the image data on one of the memory cards A5 and B6 can be appropriately selected by a user's instruction.
[0027]
Further, the image signal processing unit 3 reads out the compressed data of the image specified from the memory cards A5 and B6 in accordance with the image readout instruction from the CPU 10, decompresses the image data using the built-in memory 4, and monitors the decompressed image data by monitor driving. The read image is output to the circuit 7 and displayed.
Note that the image signal processing unit 3 has a function as a captured image acquisition unit.
[0028]
The built-in memory 4 temporarily stores the image data being processed input from the image signal processing unit 3. The built-in memory 4 has a function as a captured image storage unit.
The memory card A5 and the memory card B6 are image recording memories composed of a semiconductor memory such as a flash memory, and record the image data compressed by the image signal processing unit 3. The memory card A5 and the memory card B6 are detachable by the user, and initialization, formatting, recording and erasing operations of image data in the internal memory space are controlled by the CPU 10.
Note that the memory card A5 and the memory card B6 have a function as a recording medium.
[0029]
The monitor drive circuit 7 converts image data input from the image signal processing unit 3 and operation screen data necessary for shooting modes and various settings into image display signals according to various display instructions input from the CPU 10, The liquid crystal monitor 8 is driven and controlled by the image display signal to display a captured image, an operation screen, and the like.
[0030]
The liquid crystal monitor 8 is configured by a color liquid crystal panel, is driven and controlled by the monitor driving circuit 7, and displays a captured image, an operation screen, and the like. Note that the liquid crystal monitor 8 has a function as a display unit.
[0031]
The TG (timing generator) unit 9 generates a predetermined timing signal according to an instruction from the CPU 10 and outputs the signal to the imaging unit 2.
[0032]
A CPU (Central Processing Unit) 10 reads various application programs related to various functions as the digital camera 100 stored in the ROM 12 into a work area in the RAM 11 and performs various processing such as a photographing process and a memory card process according to the program. Is executed, and the processing result is displayed on the liquid crystal monitor 8.
[0033]
Further, the CPU 10 controls the initialization, formatting, recording and erasing operations of the image data in the internal memory space of the memory cards A5 and B6, and information on the attachment / detachment of the memory cards A5 and B6 to / from the memory slot 20. , And generates memory card management information such as initialized information and formatted information in the internal memory space and FAT (File Allocation Tables) information indicating a used block area and a free block area, and records the generated information on the memory card A5 and the memory card B6. .
[0034]
In addition, the CPU 10 performs a memory operation based on a memory attachment / detachment detection signal input from the memory I / O 16 that also functions when the power is turned off (including when the power switch SW1 is turned off or when the slot opening / closing door 100b in FIG. 2 is opened). The card attaching / detaching information is generated and stored in the RAM 11.
[0035]
Further, when the power switch SW1 of the digital camera 100 is turned on or the lens barrier is opened, the CPU 10 starts a photographing process (see FIG. 3), which will be described later, turns on the initial drive of the lens unit 1 and turns on the liquid crystal monitor 8. Then, the image captured by the lens unit 1 is preview-displayed on the liquid crystal monitor 8, the memory card management information stored in the memory card A5 and / or the memory card B6 is read, and the memory card A5 and / or the memory card are read. As the use state of B6, initialized information and formatted information of the internal memory space stored in the memory card A5 and / or the memory card B6, FAT (File Allocation Tables) information indicating a used block area and a free block area, and the like. Check.
[0036]
When detecting the S1 operation (half-press operation) of the release SW in the key matrix 13, the CPU 10 executes E (Auto Exposure) and AF (Auto Focus) processing for the subject, and performs the S2 operation (photographing operation) of the release SW. Is detected, the image signal processing unit 3 causes the image data to be created from the captured image signal, and initializes the memory card A5 and / or the memory card B6 to convert the created image data into the memory card A5 and / or Record on the memory card B6.
Note that the CPU 10 has a function as a recording unit and a recording control unit.
[0037]
A RAM (Random Access Memory) 11 is a volatile semiconductor memory, and has a work area for temporarily storing programs, data, memory card attachment / detachment information, and the like, which are being processed by the CPU 10.
[0038]
A ROM (Read Only Memory) 12 is a programmable semiconductor memory, and stores various application programs related to various functions of the digital camera 100 executed by the CPU 10.
[0039]
The key matrix 13 includes various operation switches such as a release SW, a mode SW for switching functions, and a menu SW for selecting settings. When each switch is pressed, a signal is generated and output to the CPU 10.
[0040]
The rechargeable battery 14 is a rechargeable battery that can be used repeatedly. When the rechargeable battery 14 is mounted in the battery slot 30 of FIG. 2 and the slot opening / closing door 100b is closed, a power supply terminal portion (shown in FIG. ) Is electrically connected to The output voltage of the secondary battery 14 is supplied to a power supply circuit 15 via a power switch SW1 schematically shown in the drawing.
[0041]
The power supply circuit 15 has a function of converting a voltage supplied from the secondary battery 14 into a power supply voltage required in each block shown in FIG.
[0042]
The operation of the memory card I / O 16 is maintained even when the power is turned off (including when the secondary battery 14 is removed) by the large-capacity capacitor connected to the power supply line. An attachment / detachment detection function for detecting attachment / detachment of the A5 and the memory card B6 and outputting an attachment / detachment detection signal to the CPU 10; and recording and reading and erasing of image data between the CPU 10 and the memory card A5 and the memory card B6. It has a data I / O function.
[0043]
The power switch SW1 is operated by a user to connect the output stage of the secondary battery 14 to the input stage of the power supply circuit 15 by turning on the power, and to operate the output stage of the secondary battery 14 and the input stage of the power supply circuit 15 by turning off the power. Open connection with.
[0044]
The door opening / closing switch SW2 is turned on when the slot opening / closing door 100b is closed, and is turned off when the slot opening / closing door 100b is opened, in conjunction with the opening / closing operation of the slot opening / closing door 100b by the user.
[0045]
Next, the operation of the present embodiment will be described.
First, in the CPU 10, various application programs related to various functions of the digital camera 100 stored in the ROM 12 according to an operation signal input from the key matrix 13 are stored in the RAM 11 as functions of the normal digital camera 100. The data is read out to the work area, various processes such as a photographing process and a memory card process are executed in accordance with the program, and the processing results are displayed on the liquid crystal monitor 8.
[0046]
Note that, in the following description, the initialization processing refers to “format processing that must be performed so that the memory card A5 and / or the memory card B6 can be used”, in particular, such as initialization of a logical-physical conversion table. , "Format processing that must be performed each time the memory card A5 and / or the memory card B6 are used."
[0047]
When the power switch SW1 of the digital camera 100 is turned on or the lens barrier is opened, the CPU 10 starts a photographing process. The photographing process executed by the CPU 1 will be described with reference to a flowchart shown in FIG.
In FIG. 3, the CPU 10 first turns on the initial drive of the lens unit 1 and turns on the liquid crystal monitor 8, and displays a preview image of the image captured by the lens unit 1 on the liquid crystal monitor 8 (steps S1 and S2).
[0048]
Next, the CPU 10 reads the memory card management information stored in the memory card A5 and / or the memory card B6 (step S3), and confirms the use state of the memory card A5 and / or the memory card B6.
[0049]
When detecting the S1 operation (half-press operation) of the release SW in the key matrix 13 (Step S4: Yes), the CPU 10 executes AE (Auto Exposure) and AF (Auto Focus) processing on the subject (Step S5). . Further, when detecting the S2 operation (photographing operation) of the release SW (step S6: Yes), the CPU 10 causes the image signal processing unit 3 to create image data from the captured image signal (step S7), and then the memory card A5 and the (Or) The initialization processing of the memory card B6 is performed (step S8), and the created image data is recorded on the memory card A5 and / or the memory card B6 (step S9).
[0050]
As described above, in the digital camera 100 according to the first embodiment, in the photographing process, the memory card is not initialized after the power switch SW1 is turned on or the lens barrier is opened, and immediately after the initial operation. Only the memory card management information of the memory card is acquired first, the release operation detection process related to shooting and the AE / AF process are executed, and after the captured image data is generated, the memory card initialization process is executed. As a result, it is possible to shorten the time from when the power is turned on until the first image can be shot.
[0051]
In addition, since the memory card management information is acquired first immediately after the digital camera 100 is started, and the memory card initialization processing is performed after the photographing operation, the acquisition and the initialization processing of the memory card management information are continuously performed. Rather, the memory card initialization process can be performed more efficiently.
[0052]
[Second embodiment]
In the second embodiment, a case will be described in which the subject preview display processing and the memory card initialization processing are performed in parallel. Note that the configuration of the digital camera according to the second embodiment is the same as the configuration of the digital camera 100 shown in FIGS. 1 and 2, and illustration and description of the configuration will be omitted.
[0053]
4 is a flowchart showing a preview display process executed by the CPU 10 in the digital camera 100, FIG. 5 is a flowchart showing a memory card initialization process executed by the CPU 10, and FIG. 6 is a photographing process executed by the CPU 10. It is a flowchart which shows.
[0054]
When the power switch SW1 of the digital camera 100 is turned on or the lens barrier is opened, the CPU 10 starts the preview display processing of FIG. 4, and first turns on the initial drive of the lens unit 1 and turns on the liquid crystal monitor 8 (step S11, S12), a preview image of the image captured by the lens unit 1 is displayed on the liquid crystal monitor 8 (step S13).
[0055]
Next, the CPU 10 starts the memory card initialization processing of FIG. 5 while continuing the preview display state, and reads the memory card management information stored in the memory card A5 and / or the memory card B6 (step S21). The usage status of the memory card A5 and / or the memory card B6 is confirmed, and the memory card A5 and / or the memory card B6 are initialized (step S22).
[0056]
Subsequently, upon ending the memory card initialization process, the CPU 10 starts the photographing process of FIG. 6, and upon detecting the S1 operation (half-press operation) of the release SW in the key matrix 13 (step S31: Yes), the CPU 10 executes AE (Auto Exposure) and AF (Auto Focus) processing are executed (step S32). Further, upon detecting the S2 operation (shooting operation) of the release SW (step S33: Yes), the CPU 10 causes the image signal processing unit 3 to create image data from the captured image signal (step S34), and then creates the created image. The data is recorded on the memory card A5 and / or the memory card B6 (step S35).
[0057]
As described above, in the digital camera 100 according to the second embodiment, the memory card initialization processing is executed in parallel with the preview display, so that the user is not conscious of the memory card initialization processing. Thus, the user can be made to be conscious that the time until the first image can be photographed is shortened.
[0058]
[Third Embodiment]
In the third embodiment, a case will be described in which a memory card initialization process for a recording area necessary for recording image data shot in the shooting process is executed. Since the configuration of the digital camera according to the third embodiment is the same as the configuration of the digital camera 100 shown in FIGS. 1 and 2, illustration and description of the configuration are omitted.
[0059]
FIG. 7 is a flowchart illustrating a photographing process performed by the CPU 10 in the digital camera 100.
[0060]
When the power switch SW1 of the digital camera 100 is turned on or the lens barrier is opened, the CPU 10 starts the photographing process of FIG. 7, and first turns on the initial drive of the lens unit 1 and turns on the liquid crystal monitor 8 (step S41). , S42), and preview the image captured by the lens unit 1 on the liquid crystal monitor 8.
[0061]
Next, when detecting the S1 operation (half-press operation) of the release SW in the key matrix 13 (Step S43: Yes), the CPU 10 executes AE (Auto Exposure) and AF (Auto Focus) processing on the subject (Step S44). . Further, upon detecting the S2 operation (photographing operation) of the release SW (Step S45: Yes), the CPU 10 causes the image signal processing unit 3 to create image data from the captured image signal (Step S46), The memory card management information stored in the memory card B6 is read (step S47), and the usage state of the memory card A5 and / or the memory card B6 is confirmed.
[0062]
Then, the CPU 10 determines the write target area of the current image data by confirming the use state of the memory card A5 and / or the memory card B6, and executes the initialization processing only on the write target area (step S48). Then, the created image data is recorded in the write target area in the memory card A5 and / or the memory card B6 (step S49).
[0063]
As described above, in the digital camera 100 according to the third embodiment, the memory card initialization processing for the recording area necessary for recording the photographed image data is performed at the time of the photographing processing. The memory card initialization process can be executed in a short time without making the user aware of the memory card initialization process.
[0064]
[Fourth Embodiment]
In the fourth embodiment, a case will be described in which the image data shot at the time of the shooting process is temporarily recorded in the built-in memory, and then the use state of the memory card is checked and the initialization process is executed. Note that the configuration of the digital camera according to the fourth embodiment is the same as the configuration of the digital camera 100 shown in FIGS. 1 and 2, and thus illustration and description of the configuration are omitted.
[0065]
FIG. 8 is a flowchart illustrating a photographing process performed by the CPU 10 in the digital camera 100.
[0066]
When the power switch SW1 of the digital camera 100 is turned on or the lens barrier is opened, the CPU 10 starts the photographing process of FIG. 8, and first turns on the initial drive of the lens unit 1 and turns on the liquid crystal monitor 8 (step S51). , S52), the image captured by the lens unit 1 is preview-displayed on the liquid crystal monitor 8.
[0067]
Next, when detecting the S1 operation (half-press operation) of the release SW in the key matrix 13 (Step S53: Yes), the CPU 10 executes AE (Auto Exposure) and AF (Auto Focus) processing on the subject (Step S54). . Further, upon detecting the S2 operation (photographing operation) of the release SW (step S55: Yes), the CPU 10 causes the image signal processing unit 3 to create image data from the captured image signal (step S56), The data is written in the internal memory 4 (step S57).
[0068]
Thereafter, the CPU 10 reads the memory card management information stored in the memory card A5 and / or the memory card B6 (step S58), checks the use state of the memory card A5 and / or the memory card B6, It is determined whether or not the image data is recordable on the memory card A5 and / or the memory card B6 (step S59).
That is, the CPU 10 has a function as recording permission / inhibition determination means.
[0069]
When the CPU 10 determines that the current image data cannot be recorded on the memory card A5 and / or the memory card B6 (step S59: No), it is determined that the image data cannot be recorded on the memory card, and the image data is stored in the internal memory 4. Message is displayed on the LCD monitor 8 (step S60), and the process ends.
[0070]
When the CPU 10 determines that the current image data can be recorded on the memory card A5 and / or the memory card B6 (step S59: Yes), the CPU 10 performs an initialization process on the memory card A5 and / or the memory card B6. (Step S61) The image data written in the built-in memory 4 is read out and recorded on the memory card A5 and / or the memory card B6 (Step S62).
[0071]
As described above, in the digital camera 100 according to the fourth embodiment, at the time of the photographing process, the photographed image data is once written into the built-in memory 4 and this image data is written into the memory card A5 and / or the memory card B6. It is determined whether or not recording is possible, and if recording is not possible, an error message is displayed on the liquid crystal monitor 8 to notify the user that image data cannot be recorded on the memory card and that the image data is stored in the built-in memory 4. Let me know.
That is, the liquid crystal monitor 8 has a function as a notification unit.
[0072]
Therefore, even when image data cannot be recorded on the memory card, at least one image data can be kept in the built-in memory 4, and the convenience and reliability of the digital camera can be improved. Further, since the taken image data is first written into the built-in memory and then the memory card initialization processing is executed, the time required until the first image can be taken immediately after the power is turned on can also be shortened.
[0073]
In the digital camera 100 according to the above-described embodiment, the case where two types of memory cards A5 and B5 are mounted is shown, but the number and types of mounted memory cards are not particularly limited.
[0074]
Further, the present invention is not limited to the digital camera 100 described in the above embodiment, but can be applied to a photographing device such as a video camera having at least a memory card and a battery.
[0075]
【The invention's effect】
According to the first aspect of the present invention, it is possible to reduce the time from when the photographing device is started to when the first image can be photographed.
[0076]
According to the second aspect of the present invention, the user does not need to be conscious of the initialization processing of the recording medium, and can be conscious that the time until the first image can be photographed is shortened.
[0077]
According to the third aspect of the present invention, the recording medium initialization processing can be executed in a short time without making the user aware of the recording medium initialization processing.
[0078]
According to the fourth aspect of the present invention, even when a captured image cannot be recorded on a recording medium, the captured image can be kept in the captured image storage means, and the convenience and reliability of the imaging device can be improved.
[0079]
According to the fifth aspect of the invention, it is possible to reliably notify the user of the abnormality of the recording medium without wasting the captured image, and it is possible to improve the convenience and reliability of the imaging device.
[0080]
According to the sixth aspect of the present invention, the initialization processing of the recording medium can be efficiently executed.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating an internal configuration of a digital camera 100 according to a first embodiment of the present invention.
FIG. 2 is an external perspective view of the digital camera 100 of FIG.
FIG. 3 is a flowchart illustrating a photographing process executed by a CPU 10 of FIG. 1;
FIG. 4 is a flowchart illustrating a preview display process executed by a CPU 10 of a digital camera 100 according to a second embodiment of the present invention.
FIG. 5 is a flowchart illustrating a memory card initialization process executed by a CPU 10 of the digital camera 100 according to the second embodiment.
FIG. 6 is a flowchart illustrating a photographing process executed by a CPU 10 of the digital camera 100 according to the second embodiment.
FIG. 7 is a flowchart illustrating a photographing process performed by a CPU of a digital camera according to a third embodiment.
FIG. 8 is a flowchart illustrating a photographing process performed by a CPU of a digital camera according to a fourth embodiment.
[Explanation of symbols]
Reference Signs List 1 lens unit 2 imaging unit 3 image signal processing unit 4 built-in memory 5 memory card A
6 Memory card B
7 monitor drive circuit 8 liquid crystal monitor 9 T / G section 10 CPU
11 RAM
12 ROM
13 Key Matrix 14 Secondary Battery 20 Memory Slot 30 Battery Slot SW1 Power Switch SW2 Door Open / Close Switch 100 Digital Camera 100a Housing 100b Slot Open / Close Door

Claims (6)

In a photographing apparatus including: a captured image acquisition unit that acquires a captured image from an imaging unit; and a recording unit that records the acquired captured image on a recording medium.
After the captured image is obtained by the captured image obtaining unit, the storage unit performs an initialization process for using the recording medium, and includes a recording control unit that causes the recording unit to record the captured image on the recording medium. Characteristic imaging device. A display unit that displays a captured image by the captured image acquisition unit,
2. The photographing apparatus according to claim 1, wherein the recording control unit performs an initialization process of the recording medium when a captured image is displayed on the display unit. 3. The recording control unit according to claim 1, wherein after the captured image is acquired by the captured image acquiring unit, an initialization process is performed only on an area of the recording medium where the captured image is recorded. An imaging device according to item 1. A captured image storage unit configured to store a captured image acquired by the captured image acquisition unit,
4. The recording control device according to claim 1, wherein the recording control unit performs an initialization process on the recording medium after storing the captured image acquired by the captured image acquiring unit in the captured image storage unit. An imaging device according to claim 1. The recording control means,
At the time of the initialization process of the recording medium, a recordability determining unit that determines whether the captured image stored in the captured image storage unit can be recorded on the recording medium,
When the recording permission / non-permission determining unit determines that recording is not possible, a notification unit is provided for notifying that the captured image is stored in the captured image storage unit and that the recording medium is not recordable. The photographing device according to claim 4, wherein The photographing apparatus according to claim 1, wherein the recording control unit detects a use state of the recording medium immediately after starting the photographing apparatus.

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