JP2000324368A - Electronic camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an electronic camera by which a user can immediately grasp a residual amount and a consumed quantity of a recording medium for image recording and a ratio of the consumed quantity to the residual amount and can easily retrieve and reproduce a desired picture from the recording medium in the case of reproduction. SOLUTION: The electronic camera reads a full capacity and a recorded capacity of a memory card, calculate a ratio of the residual capacity to the recorded area capacity with respect to the total capacity and displays this memory state information onto a display monitor 30 as a circle graph. A pointer 52 specifies a position on the circle graph in the case of reproduction to retrieve an image file from the memory card according to the specified position and contents of the image file are reproduced. In the case of a structure of the electronic camera where a plurality of memory cards can be mounted onto the camera, the monitor 30 displays the operating state of each memory card.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic camera,
In particular, the present invention relates to a display method and a reproduction method at the time of recording in an electronic camera capable of capturing and recording moving images and still images using an image sensor.

[0002]

2. Description of the Related Art Conventionally, moving images and still images are photographed by common resources (imaging system, signal processing means, CPU, etc.).
Cameras for recording have been proposed. For example, JP-A-7-
The camera disclosed in Japanese Patent No. 7647 has a still image mode, a still image + audio mode, and a moving image mode, and the remaining amount of the memory is numerically displayed on the display according to the selected mode. ing.

The camera disclosed in Japanese Patent Application Laid-Open No. 9-93529 records a still image as an index of a moving image, and uses the still image for search.

[0004]

However, as disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 7-7647, merely displaying the remaining amount of memory by a number allows the user to intuitively grasp how much the user is using the memory. It is not possible to use the memory unnecessarily for recording a moving image, which may lead to a shortage of memory when recording a still image.

[0005] In addition, when a moving image is searched for in a still image (a representative image in a moving image) as in Japanese Patent Application Laid-Open No. 9-93529, it is difficult to understand the correspondence with a plurality of still images constituting the moving image. Sometimes I can't search well. The present invention has been made in view of such circumstances, and at least in a moving image recording mode, an electronic camera that allows a camera user to immediately grasp the remaining amount, the used amount, and the ratio of the remaining amount and the used amount of the memory for image recording. The purpose is to provide. It is another object of the present invention to provide an electronic camera capable of performing a display search by designating a recording date and time, a recording time, and the like of recorded image data in a reproduction mode and easily retrieving and reproducing a desired image. And

[0006]

In order to achieve the above object, the present invention has an image sensor, and can record image information indicating a still image and a moving image acquired by using the image sensor on a recording medium. In the electronic camera, the electronic camera includes a mode selection unit that can select a still image recording mode and a moving image recording mode, a reading unit that reads a total available capacity of the recording medium and a capacity of a recorded area, and the reading unit. Display means for displaying medium state information indicating a ratio of the capacity of the recorded area to the capacity of the unused recorded area with respect to the total capacity of the recording medium based on the read result of the recording medium. .

The recording medium includes not only a semiconductor memory but also a magnetic tape, a magnetic disk, a magneto-optical disk, and the like. Further, in this specification, the term "capacity" is used as including a concept corresponding to a memory capacity such as the length of a magnetic tape. According to the present invention, the medium state of the recording medium is read, and the ratio of the remaining capacity to the total capacity and the capacity of the recorded area is displayed on the medium information display means. The state of image recording can be grasped at a glance.

[0008] As a mode of displaying the medium state information on the display means, it is preferable to display the medium state information using a diagram such as a graph diagram. According to another aspect of the present invention, a position designation unit that designates a position in the figure representing the medium state information, and a search unit that extracts image information from the recording medium according to the position designated by the point designation unit And control means for displaying the image information extracted by the search means on the display means. According to this aspect, a moving image and a still image can be easily searched for during reproduction.

Further, in the electronic camera of the present invention, a mode in which a plurality of recording media can be mounted is also possible.
The medium state information of each recording medium is displayed on the display means. As a result, the usage status of another recording medium can be referred to.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an electronic camera according to 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 a digital camera to which the present invention is applied. The digital camera 10 mainly includes a CCD solid-state imaging device (hereinafter, referred to as CCD) 12, A
/ D converter 14, memory controller 16, memory buffer 18, signal processing unit 20, compression / expansion unit 22, card interface 24, memory card 26, D / A converter 28, monitor device 30 for display, control unit It comprises a central processing unit (CPU) 32, a mode changeover switch 34, a position feed switch 36, a recording / reproduction changeover switch 38, an image quality mode changeover switch 40, a recording start switch 42 and the like.

It is to be noted that, as indicated by reference numeral 44, there are two or more card interfaces, and a plurality of memory cards 46,
26 may be mounted simultaneously. in this case,
Of the plurality of memory cards 26 and 46, if necessary,
It is preferable to provide a media switch 48 for switching the memory card to be activated. The mode switch 34 is an operation unit for switching between the still image mode and the moving image mode, and is operated when the user selects the camera mode according to the shooting situation. The mode changeover switch 34 is composed of, for example, a dial switch 34A as shown in FIG. 2 (a), and characters "Still" indicating a still image mode and "Move" indicating a moving image mode are formed on the upper surface of the dial. ing. The mode is set by rotating the dial to match the character representing the desired mode with the index 34B.

The position feed switch 36 is connected to the monitor 30
Pointer appearing on the screen (described as 52 in FIG. 4)
Is used to move the frame forward and backward during playback of a still image. The position feed switch 36 is composed of, for example, a cross key as shown in FIG. The cross key is an operation key that can freely specify four directions, up, down, left, and right. Instead of the cross key, another pointing device such as a touchpad, a trackball, or a joystick can be used.

The recording / reproduction switching switch 38 is an operation unit for switching between a recording mode and a reproduction mode, and is composed of, for example, a slide switch as shown in FIG. When knob 38A is set to the "REC" position, C
The image captured by the CD 12 is stored in the memory card 26 (or 4
The recording mode for recording in 6) is set, and the knob 38A is set.
Is set to the "Play Back" position, the memory card 26
(Or 46) is set to a reproduction mode for reproducing the image data stored in (or 46) and outputting it to the monitor device 30 or the like.

An image quality mode changeover switch 40 is an operation unit for selecting a recording compression ratio.
It is composed of a slide switch as shown in FIG. In the camera of this example, two types of image quality, “Fine” (high image quality) and “Basic” (standard), can be selected according to the purpose of shooting. When the knob 40A is set to the "Fine" position, the compression is 1/4 (JPEG), and the knob 40A is set to "Ba".
When set to the position of "sic", compression becomes 1/16 (JPEG). The number of images that can be shot (the number of remaining images) changes depending on the selected image quality.

The operation of the digital camera 10 shown in FIG. 1 will be described. Image light indicating a subject is formed on a light receiving surface of a CCD 12 through a not-shown photographing lens, and the image light is adjusted according to the amount of image light. Is converted into an amount of signal charge. The signal charge thus photoelectrically converted is sequentially transferred based on a drive pulse applied from a CCD drive circuit (not shown) controlled by the CPU 32, and is read as a voltage signal (image signal) corresponding to the signal charge. . The CCD 12 is the C
Unnecessary accumulated charges can be discharged by a shutter gate pulse provided from a CD drive circuit, and thereby, a so-called electronic shutter function for controlling the charge accumulation time is provided.

The signal read from the CCD 12 is subjected to predetermined processing such as sampling / holding, color separation, gain adjustment, and the like, and then applied to an A / D converter 14, where the R, G, and B signals are processed. It is converted to digital image data. A / D
The R, G, B digital image data output from the converter 14 is stored in the memory buffer 18 via the memory controller 16 controlled according to the CPU 32.

The image data stored in the memory buffer 18 is read by the memory controller 16 and supplied to the signal processing unit 20. The signal processing unit 20 includes a luminance / color difference signal conversion circuit, a gamma correction circuit, and the like. The RGB data input to the signal processing unit 20 is
Are converted into a luminance signal (Y signal) and color difference signals (Cr, Cb signals), and are subjected to predetermined processing such as gamma correction, and then written back to the memory buffer 18 again.

The luminance / color difference signals (abbreviated as YC signals) stored in the memory buffer 18 are read by the memory controller 16 and supplied to the compression / expansion unit 22.
Then, the YC signal is subjected to the JPE
After being compressed according to a G (joint photographic expert group) format or other predetermined format, the interface 24
(Or 44) and is recorded on the memory card 26 (or 46). The compression / expansion unit is used for both still image recording and moving image recording. Still images are JPEG files, moving images are
Recorded as MotionJPEG file (commonly called AVI file). The form of the recording medium is not limited to a memory card, and various forms such as a PC card, a magnetic disk, a magneto-optical disk, and a memory stick are possible. The YC signal stored in the buffer memory 18 is read out by the memory controller 16, is converted into an analog signal by the D / A converter 28, and is converted into an NTSC signal.
(National Television System Committee) system and other predetermined video signals are supplied to the monitor device 30. Thus, the image of the subject is displayed on the monitor device 30 in real time or not in real time, but as a substantially continuous moving image. Therefore, the monitor device 30
The composition and the like of the subject can be determined while looking at the screen.

In the reproduction mode, the memory card 2
The image data read from 6 (or 46) is expanded by the compression / expansion unit 22 and output to the monitor device 30 via the D / A converter 28. The monitor device 30
In addition to the photographed image and the reproduced image, a display indicating the use state of the memory card 26 (or 46), information relating to the camera functions such as the number of photographable images, the frame number of the reproduced image, the remaining amount of the camera battery, etc. Is also displayed.

A photographing / recording sequence using the digital camera configured as described above will be described. First, the mode setting of the still image mode or the moving image mode, the setting of the state recording mode, and the setting of the image quality mode are performed according to the respective switch states of the mode changeover switch 34, the recording / reproduction changeover switch 38, and the image quality mode changeover switch 40. Then, the total capacity of the memory cards 26 and 46 attached to the card interfaces 24 and 44 and the respective memory cards 26 and
The recording state of 46 is read, and information about the remaining amount of the card and the usage status of the memory card is displayed on the monitor device 30.

When the digital camera 10 is set to the still image recording mode, the recording start switch 42 is turned on.
In response to the operation, a subject is imaged via the CCD 12 and the obtained image signal is A / D converted and stored in the memory buffer 18 as R, G, B data. Memory buffer 18
After the image data is read from the memory buffer 18 and subjected to predetermined processing in the signal processing unit 20, the data is compressed by the compression / expansion unit 22 at a compression rate according to the setting of the image quality mode.
Is written back to Then, the compressed image data is recorded on the memory card 26 (or 46).

On the other hand, when the digital camera 10 is set to the moving image recording mode, the moving image is recorded by repeating the above-described still image recording sequence at regular intervals. In addition, a series of operations of “reading from memory buffer” → “signal processing” → “compression” → “writing back to memory buffer” is executed in parallel. FIG. 3 is a conceptual diagram showing a data structure inside a memory card (recording medium).

As shown in FIG. 3A, the memory card 2
The storage area 6 has a hierarchical structure, an image directory (IMAGE) is provided below the root directory (Root), and a directory is created in the image directory for each shooting date. In FIG. 3A, “99Jan03-01” and “99Jan03-0” are stored under the image directory (IMAGE).
There is a directory named "2".

In the directory creation, it is automatically determined whether or not a directory matching the date when the photographing operation was started exists. If there is no directory indicating the same date, a new folder is automatically created. . In addition, the user operates a directory creation button (not shown),
A directory is newly created by performing a predetermined operation.

A directory number is automatically assigned to each directory in a two-digit numerical sequence according to the order in which the directories are created. In FIG. 3A, “99Jan03-01”, “99Jan03-
The last two digits of "02" correspond to the directory number. In each of the directories “99Jan03-01” and “99Jan03-02”, image files of moving images and still images are stored with two-digit file numbers automatically assigned in the order of recording. The file name of the movie is "DSC" followed by "M" indicating that it is a movie (Move). Following this "M", a file number (two digits) automatically given in the recording order and a motion JPEG
The extension ".AV" indicating that the file is an image (AVI) file
"I" is added. The file name of the still image is "DSC" followed by "S" indicating that it is a still image (Still).
Following this "S", a file number (two digits) automatically given in the recording order and an extension ".JPG" indicating that the file is a JPEG image file are added. The type of the image file can be grasped by such naming of the file name.

As shown in FIG. 3 (b), the moving image file has a header, followed by still images forming each frame of the moving image, and audio data corresponding to each of the interleaved images. Note that, apart from this example, an audio file may be independently recorded. The audio data is obtained by A / D converting a signal from a microphone (not shown).

As shown in FIG. 3C, the header of the moving image file includes information indicating the data type, the recording rate, the number of frames, the header information of the still image data, and the like. Still image data forming each frame is composed of a header, a compression parameter, and compressed data as shown in FIG. As shown in FIG. 3E, the still image file includes a header, compression parameters, and compressed data.

FIG. 4 shows the monitor device 3 when recording a moving image.
An example of the display screen 0 is shown. The mode switch 34 is set to "Move" and the recording / playback switch 38
Is set to "REC" to set a mode in which moving image recording is possible. In the following description, it is assumed that the image quality mode is set to “Fine”. At the time of moving image recording, a memory status display section 50 indicating the usage status of the memory card 26 is displayed at the upper left of the screen of the monitor device 30. This display unit shows the use state of the memory card 26 by a pie chart. The total capacity of the memory card 26 is compared with the already recorded capacity and the unused capacity (remaining capacity).
Is presented in a form that can be easily grasped visually. It should be noted that instead of the pie chart, a bar chart or other graph chart or a figure similar thereto may be used.

In the pie chart, the recording area of the image file is indicated by a sector area corresponding to the file size in the recording order of the images along the clockwise direction. In the recorded area, a typical character string (a code string composed of letters, numbers, or a combination thereof) indicating the directory in which each image file is stored is used so that the recorded image file can be specified. (In the specification, it is simply called a character string.)
And a representative character string indicating the image file are displayed.

In this example, "M" at the beginning of the character string indicates a moving image, and "S" indicates a still image. Then, following the character "M" or "S", the digit string "NN-
In the case of "MM", "NN" indicates a storage directory, and "MM" indicates a file number. Also, the numeric string "A
“A * MM” indicates that still images are recorded from file numbers AA to MM.

For example, "M1-01" in the figure is a moving image file of directory number 1 and an image file of file number 01, that is, "DSCM01.AVI" under "99Jan03-01" described in FIG. It is. Also, “S” in FIG.
“1-03 * 57” is a still image file of directory number 1 and is an image file of still image file 1 with file numbers 03 to 57, that is, “99” shown in FIG.
It represents "DSCS03.JPG" or "DSCS57.JPG" under "Jan03-01".

According to the pie chart shown in FIG. 4, "M2-0
2 ”(“ DSCM02.AVI ”under“ 99May21-02 ”in FIG. 3) and thereafter are unused areas. "Unused" for unused areas
Is displayed. Then, a pointer (arrow) 52 is displayed at a boundary position between the unused area and “M2-02”. Also, the currently set image quality mode (Fin
The moving image recordable time (remaining recording time) in e) is displayed in hours, minutes, and seconds. In FIG. 4, 11:24 is displayed, indicating that the remaining recording time is 11 minutes and 24 seconds.

When a moving image is recorded in this moving image recording mode in a state, as one moving image file (one unit) is recorded on the memory card 26, the pointer 52 moves on the circumference of the pie graph, and Is pointed to. FIG. 5 shows an example of a display screen of the monitor device 30 when recording a still image. By setting the mode changeover switch 34 to “Still” and setting the recording / reproduction changeover switch 38 to “REC”, a mode in which still image recording is possible is set.

At the time of recording a still image, a memory status display section 50 as shown in FIG. The pointer 52 displays the recording area for the entire memory card 26 as well as the recorded area and the unrecorded capacity of the entire memory card 26. In addition, the remaining amount is the number of recordable still images that can be recorded in the currently set image quality mode (hereinafter referred to as the remaining number in accordance with a film photo camera. In the figure, “56” is displayed, and “Fi
ne "indicates that 56 images can be recorded. Of course, if you change the image quality mode,
The remaining number of sheets according to the image quality mode is displayed. Alternatively, the number of recorded still images may be displayed separately.

FIG. 6 shows the monitor device 3 when reproducing a moving image.
An example of the display screen 0 is shown. The mode switch 34 is set to "Move" and the recording / playback switch 38
By setting to “Play Back”, a mode in which a moving image can be reproduced is set. At this time, the monitor device 30
As shown in FIG. 6, a memory status display section 50 and a pointer 52 for designating a reproduction position (in this case, a reproduction position pointer) are displayed on the screen of FIG. Position feed switch 36
The pointer 52 moves on the circumference of the pie chart. At this time, the recording time (minutes from the beginning: second) is numerically displayed near the pointer 52.

When the user specifies the position with the pointer 52 and presses the execute button (not shown), the reproduction of the moving image starts from the image file corresponding to the position indicated by the pointer 52. Reproduction can be started from a frame position in the middle of the moving image file. In addition, during the reproduction of the moving image, the pointer 52 moves clockwise on the circumference of the pie chart as the reproduction operation progresses to indicate the position being reproduced. When the user operates the position feed switch 36 during the reproducing operation to move the pointer 52 counterclockwise along the circumference of the pie graph, reverse reproduction is performed, and during the reproducing operation, the pointer 52 moves to the circumference of the pie graph. When it is moved clockwise, fast-forward skip playback is performed. In addition, by adjusting the movement of the pointer 52 using the position feed switch 36, frame advance and frame return, slow reproduction,
Pause and the like are possible.

At the time of reproduction, it is considered that displaying the unused area of the memory card 26 is not meaningful. Therefore, when the reproduction mode is set, the memory state display unit 50 displays both the still image and the moving image. Instead of displaying the unrecorded area, the size and storage location of the recorded file may be displayed by a pie chart with the recorded area being 100%.

Although an example of a display screen at the time of reproducing a still image is not shown, a memory state display section 50 similar to that at the time of reproducing a moving image described with reference to FIG. However,
In the case of the still image playback mode, of the image files stored in the memory card, only files having “.JPG” indicating a still image are played sequentially.
In this case, instead of specifying the position on the pie graph with the pointer 50 as a method of specifying the reproduction position of the still image reproduction, the position switch 36 is sequentially pressed, so that only the image file of the still image is sequentially frame-advanced or frame-advanced. Played back.

FIG. 7 shows an example of a display screen at the time of reproducing a moving image when a plurality of memory cards are inserted. In the figure, two memory cards 26, 4
6 shows an example in the case of being mounted. When two memory cards 26 are mounted on the digital camera 10, memory status display sections 60 and 62 indicating the usage status of each memory card 26 and 46 are displayed on the screen of the monitor device 30.

When a memory card (for example, reference numeral 46) to be activated is designated by the media changeover switch 48,
Index indicating the memory status display section 62 of one of the selected memory cards (the character portion of "MEDIA 2" in FIG. 7)
Are displayed in a thick line, a pointer 52 appears on the pie graph, and the display of the remaining recording time is superimposed. Normally, only the memory status display section of the activated memory card is displayed on the monitor device 30 so that the status of the other memory card can be referred to based on a predetermined operation by the user as necessary. Good.

FIG. 8 shows a memory status display section (50, 60, 6).
5 is a flowchart showing a procedure for calculating a media capacity for realizing the display of 2). First, in step S800, the capacity (M) of the entire memory card is detected. The total capacity value (M) is obtained by a predetermined method such as reading necessary information from an information storage unit in which the memory card capacity and other specification data are stored.

Then, the flow advances to step SS802 to detect the recorded capacity (N) of the memory card. Then, the used memory occupancy ratio and the unused memory occupancy ratio are calculated from M and N obtained in steps S800 and S802 (step S804). The used memory occupancy is obtained by calculating N / M, and the unused memory occupancy is obtained by calculating (M−N) / M.

Based on the calculation results, display parameters necessary for displaying a pie chart, displaying the remaining recording time, the remaining number of sheets, and the like are calculated (step S806), and displaying a pie chart and the like in accordance with the obtained display parameters. Is performed (step S808). Thereafter, when recording processing of a new image file is performed by imaging (step S810), the process returns to step S802, and the display content is updated according to the above-described procedure. In the case of the digital camera 10 of the present example, the CPU 32 carries out calculation means for performing the above-described calculations and the like.

In the above-described embodiment, the motion JPEG in which the images of each screen are listed as independent JPEG images has been described as an example of the moving image recording format. However, the moving image recording format is not limited to this. Moving Pic
tures Experts Group) system and other formats. In the above-described embodiment, a removable memory card is used as a recording medium, but an internal memory built in the digital camera 10 may be used as a recording medium. In this case, image data obtained by imaging is output to the outside using a wired or wireless communication means.

[0045]

As described above, according to the present invention, the medium state of the recording medium is read and the ratio of the remaining capacity to the total capacity and the capacity of the recorded area is displayed on the medium information display means. In addition, it is possible to grasp at a glance the remaining amount of the recording medium and the state of moving image / still image recording. As a result, it is possible to prevent a situation in which a moving image is inadvertently recorded for a long time and a necessary remaining amount is insufficient.

According to another aspect of the present invention, it is possible to easily search for a moving image and a still image by specifying the position of the medium state display section during reproduction. Furthermore, even when a plurality of recording media are used, the usage status of each recording medium can be easily grasped.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a digital camera to which the present invention has been applied.

FIG. 2 is a diagram showing an example of a mode of an operation unit of the digital camera shown in FIG.

FIG. 3 is a conceptual diagram showing a data structure inside a memory card (recording medium).

FIG. 4 is a diagram showing an example of a display screen of a monitor device when recording a moving image.

FIG. 5 is a diagram showing an example of a display screen of the monitor device when recording a still image.

FIG. 6 is a diagram showing an example of a display screen of a monitor device during reproduction of a moving image.

FIG. 7 is a diagram showing an example of a display screen at the time of playing a moving image when a plurality of memory cards are inserted.

FIG. 8 is a flowchart showing a procedure for calculating a media capacity for realizing display on a memory status display unit;

[Explanation of symbols]

10: Digital camera (electronic camera), 12: CCD
(Imaging element), 26, 46 ... Memory card (recording medium), 30 ... Monitor device (display means), 32 ... CPU
(Control means, search means, file management means), 34: mode changeover switch (mode selection means), 36: position feed switch (position designation means), 38: recording / playback changeover switch (mode selection means), 40: image quality mode Changeover switch (means that can change the compression ratio), 50: memory status display unit (medium status information), 52: pointer (position designation unit)

Claims (13)

[Claims] 1. An electronic camera having an image sensor and capable of recording image information indicating a still image and a moving image acquired using the image sensor on a recording medium, wherein the electronic camera has a still image recording mode and a moving image Mode selecting means for selecting a recording mode; reading means for reading the total available capacity of the recording medium and the capacity of the recorded area; recording on the total capacity of the recording medium based on the reading result of the reading means. An electronic camera, comprising: display means for displaying medium state information indicating a ratio between the capacity of the used area and the capacity of the unused recorded area. 2. The electronic camera according to claim 1, wherein
An electronic camera, wherein the display means is also used as a display means for displaying an image captured by the image sensor or an image read from the recording medium. 3. The electronic camera according to claim 1, wherein said medium status information is displayed on said display means using a diagram. 4. The electronic camera according to claim 3, wherein
An electronic camera, wherein the medium state information is displayed on the display unit as a graph showing a recording area of an image file stored in the recording medium. 5. The electronic camera according to claim 3, wherein
The electronic camera includes: a position designation unit that designates a position in the figure representing the medium state information displayed on the screen of the display unit; and image information from the recording medium according to the position designated by the position designation unit. An electronic camera, comprising: a search unit for extracting; and a control unit for causing the display unit to display the image information extracted by the search unit. 6. The electronic camera according to claim 5, wherein
When the position specified by the position specifying unit corresponds to a moving image file, the searching unit can extract image information of a frame corresponding to the specified position in the moving image file. camera. 7. The electronic camera according to claim 6, wherein
The electronic camera is characterized in that, in the moving image reproduction mode, the moving image reproduction is started from the image of the frame detected by the search means. 8. The electronic camera according to claim 1, wherein
In the electronic camera, at the time of the still image recording mode, at least one of the number of recordable images and the number of recorded images of the still image is displayed on the display unit, and at the time of the moving image recording mode, the moving image recording corresponding to the remaining capacity of the recording medium is performed. An electronic camera, wherein a possible time is displayed on the display means. 9. The electronic camera according to claim 1, wherein
In the electronic camera, the type of an image file of image information recorded on the recording medium, a recording area in which the image file is stored, and a code string obtained by combining codes identifying the image file are stored in the medium state information. And an electronic camera displayed on the display means. 10. The electronic camera according to claim 1, wherein an external recording medium that is detachable from the electronic camera body is used as the recording medium, and a plurality of recording media are mounted on the electronic camera. An electronic camera, wherein medium state information of each recording medium is displayed on the display means. 11. The electronic camera according to claim 1, wherein, when the image information is stored in the recording medium, the electronic camera indicates a directory code and a file indicating a directory in which the image information is stored. An electronic camera comprising a file management means for automatically assigning a file code. 12. The electronic camera according to claim 8, wherein said electronic camera has means for changing a compression ratio of image data, and said still image is recordable image according to a set compression ratio. An electronic camera, wherein a number is displayed. 13. The electronic camera according to claim 4, wherein when the electronic camera stores the image information in a storage area of the recording medium, the electronic camera indicates a directory code and a file indicating a directory in which the image information is stored. File management means for automatically assigning a file code, and configured to display the directory code and the file code on the screen of the display means in combination with the diagram of the medium state information at the time of still image reproduction. An electronic camera characterized by the following.