JPH05282374A - Still picture display device - Google Patents

Abstract

PURPOSE:To freely change the switching speed of the display screen as necessary. CONSTITUTION:Each of retreiving terminals 1-1-1-n consists of a system main body 11 which controls a system, a display 12 which shows the still pictures, an MO derive 13 which records and reproduces the still picture data through an MO disk, a keyboard 14, a remote controller 16, etc. The still picture data read out the MO disk by the drive 13 are supplied to the display 12 via the main body 11. Thus, the still pictures are shown on the display 12. The controller 16 is provided with a shuttle dial as a variable speed reproduction dial. When this dialis turned forward from its center, a screen varies forward. Meanwhile the screen varies reversely when the dial is turned counterclockwise respectively. The screen switching speed is increased as the rotational angle of the dial is increased. Thus, it is possible to freely change the screen switching speed with rotation of the dial. Then, the retrieving efficiency is improved and the retrieving time is shortened for the still pictures.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a still image display device which takes out still image data from a filing device such as a magneto-optical disk device and supplies it to a display to display a still image on the display.

[0002]

2. Description of the Related Art When humans have only vague images, when searching for a large amount of catalogs that match those images, they are sorted and arranged in order from the beginning. , The method of finding the corresponding item is generally performed.

By the way, conventionally, for example, Japanese Patent Laid-Open No. 2-2858.
A filing apparatus using electronic images as disclosed in Japanese Patent No. 79 has been proposed. In the search function of such a filing device, in order to display still images sequentially in a certain order, the screen is switched at a constant speed predetermined by the system, or the searcher presses an operation button or the like. According to the method, either the screen is switched or the both are combined.

[0004]

Even in the method in which the searcher presses the operation button to switch the screen, the time for switching one screen is predetermined by the system, and therefore the searcher can quickly press the operation button. Even if it was pushed, it was impossible to search at a certain speed or higher.

As described above, in the conventional method, the search speed cannot be freely changed according to the request of the searcher, and a wasteful time is required in the method of sequentially displaying still images on the display and performing the search. Was there.

Therefore, the present invention provides a still image display device in which the switching speed of the display screen can be freely changed.

[0007]

SUMMARY OF THE INVENTION According to the present invention, a filing device storing still image data, a display for displaying a still image, and a filing device interposed between the filing device and the display are provided. Equipped with a control unit that takes out and supplies it to the display to display a still image, the control unit is provided with a variable speed reproduction dial, and the screen switching speed of the still image displayed on the display is changed according to the rotation angle of this dial. It is characterized by that.

[0008]

In the above structure, the variable speed reproduction dial 20 is used.
When is rotated, the angle of the dial 20 is changed, so that the screen switching speed of the still image displayed on the display 12 can be freely changed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. This example is an example applied to a still image search system. FIG. 1 is a block diagram showing the configuration of an embodiment.

In the figure, reference numerals 1-1, 1-2, ..., 1-n are search terminals, which are connected to other search terminals and a database 3 via signal lines 2, respectively. Each search terminal 1-
In 1, 1-2, ..., 1-n, still images can be retrieved from the database 3, still images can be stored, and still images stored in other terminals can be retrieved.

The search terminal 1-1 is a system body (central unit) 1 for controlling the system.
1. In addition to a display 12 for displaying a still image, an MO drive 13 for recording and reproducing still image data on a magneto-optical disk (MO disk), a keyboard 14, a mouse 15, a remote controller 16 and the like are provided. Composed. The MO drive 13 may be externally attached. The remote controller 16 may be wired or wireless. The other search terminals 1-2, ..., 1-n are similarly configured.

Each of the search terminals 1-1, 1-2, ..., 1-n is configured as described above, and even if the other search terminals and the database 3 are not connected, the MO drive 13 can be used to perform MO By storing still images (still image data) on the disc, still images can be searched from this MO disc.

FIG. 2 is a diagram showing a specific configuration of the system main body 11. In the figure, 11a is a CPU and 11b is an R
OM, 11c is RAM, 11d is ROM 11b and R
It is a memory controller that controls the operation of the AM 11c. 11e is an interface for connecting the remote controller 16, 11f is an interface for connecting the keyboard 14 and the mouse 15, and 11g.
Is a disk drive controller for controlling the operation of the MO drive 13.

11h is at least the display 1
2 is a frame memory having a capacity for storing still image data for one screen, and 11i is a memory controller for controlling the operation of the frame memory 11h. Reference numeral 11j is a D / A converter for converting still image data read from the frame memory 11h into an analog signal and supplying the analog signal to the display 12. Furthermore, 11k is a data bus,
11m is a control line.

FIG. 3 is a plan view showing the configuration of the wired remote controller 16. The controller 16 is provided with a shuttle dial 20 as a variable speed reproduction dial. Data on the rotation direction and the rotation angle of the shuttle dial 20 are supplied to the system main body 11. As a result, when the shuttle dial 20 is in the center (12 o'clock direction), the screen of the display 12 is not switched. When the shuttle dial 20 is rotated to the right from the center (during forward feeding), the still images displayed next to the displayed still image are sequentially displayed on the display 12 based on a predetermined order. On the other hand, when the shuttle dial 20 is rotated from the center to the left (during reverse feeding), it is sequentially displayed in reverse order on the display 12.

In this case, the larger the rotation angle of the shuttle dial 20, the faster the screen switching speed. This switching speed is configured to change linearly or stepwise (for example, 5 steps on one side). The shuttle dial 20 is always positioned at the center when the searcher is not operating, for example, by utilizing the restoring force of a spring.

In the above configuration, each search terminal 1-1, 1
The operation when searching for a still image within -2, ..., 1-n will be described.

When a keyword is input from the keyboard 14, the MO drive 13 is controlled to reproduce the corresponding still picture data from the MO disk, and the still picture data is passed through the frame memory 11h and the D / A converter 11j. It is supplied to the display 12. As a result, a still image is displayed on the display 12 and a search is performed (this corresponds to a search by a table of contents or an index in a book).

Each still picture is assigned a unique number. By inputting that number from the keyboard 14 or the remote controller 16, the corresponding still picture data is reproduced from the MO disk, and this still picture is reproduced. Data is frame memory 11h, D / A converter 11
It is supplied to the display 12 via j. As a result, a still image is displayed on the display 12 and a search is performed.

When the shuttle dial 20 is rotated rightward from the center from the state in which the still image is displayed on the display 12 as described above (in forward feeding), the shuttle dial 20 is based on a predetermined order and the shuttle dial 20. Are displayed on the display 12 sequentially from the still image next to the displayed still image at the switching speed according to the rotation angle of the. On the other hand, when the shuttle dial 20 is rotated from the center to the left (during reverse feed), the display is sequentially displayed in reverse order at the switching speed according to the rotation angle of the shuttle dial 20.

Therefore, the searcher can use the shuttle dial 2
By adjusting the rotation angle of 0, the screen switching speed of the still image on the display 12 can be freely changed as needed, and the still image can be searched efficiently.

Even if the shuttle dial 20 is operated at the initial stage without searching for a still image by a keyword or a unique number of a still image, the still image can be searched for from the beginning in a predetermined order. You can

FIG. 4 is a flow chart showing the search operation of the system main body 11 described above.

When a keyword or a unique number of a still image is designated by a searcher operating the keyboard 14 or the remote controller 16, the corresponding still image data is M
This still image data is reproduced from the O disk, and this still image data is supplied from the MO drive 13 to the frame memory 11h and the D / A converter 11
It is supplied to the display 12 via j, and a still image is displayed on the display 12 (step 101).

Next, after the rotation direction and the rotation angle of the shuttle dial 20 are detected (step 102), the rotation direction from the center of the shuttle dial 20 is judged (step 103). When the rotation direction is the center, that is, when it is not rotating, the process returns to step 102 and the shuttle dial 20
Detection of the rotation direction and rotation angle of is continued.

When rotating to the right, shuttle dial 2
The still image data is reproduced from the MO disk in the normal order at the switching speed according to the rotation angle of 0, and the still image data is supplied to the display 12 via the frame memory 11h and the D / A converter 11j and displayed on the display 12. Still images are sequentially switched and displayed (step 104).

Next, after the rotation direction and the rotation angle of the shuttle dial 20 are detected (step 105), it is judged whether the orientation of the shuttle dial 20 is the center (step 106). If it is not in the center, the process returns to step 104, and the display 1 is displayed at the switching speed according to the rotation angle.
The still image is switched and displayed at 2.

When it is determined in step 106 that the direction of the shuttle dial 20 is the center, the switching of the display of the still image is stopped (step 107) and the process returns to step 102.

When the shuttle dial 20 is rotated counterclockwise in step 103, still image data is reproduced in reverse order from the MO disk at the switching speed according to the rotation angle of the shuttle dial 20, and this still image data is reproduced in the frame memory 1.
1h, it is supplied to the display 12 via the D / A converter 11j, and still images are sequentially switched and displayed on the display 12 (step 108).

Next, after the rotation direction and the rotation angle of the shuttle dial 20 are detected (step 109), it is judged whether the direction of the shuttle dial 20 is the center (step 110). If it is not in the center, the process returns to step 108, and the display 1 is displayed at the switching speed according to the rotation angle.
The still image is switched and displayed at 2.

When it is determined in step 110 that the shuttle dial 20 is oriented in the center, the switching of the display of the still image is stopped (step 107) and the process returns to step 102.

As described above, in this embodiment, the searcher adjusts the rotation direction and the rotation angle of the shuttle dial 20 so that the switching direction (forward or reverse order) and the switching speed of the still image displayed on the display 12 can be changed. It can be changed freely as needed. Therefore, the search can be performed efficiently and the search time can be shortened. Also, since the shuttle dial 20 is used, even for a searcher who is not very familiar with the system,
There is an advantage that the search operation itself is visually easy to understand.

Although the shuttle dial 20 is provided in the remote controller 16 in the above embodiment, it may be provided in the keyboard 14 or the panel portion of the system body 11.

Further, in the above embodiment, the clockwise rotation is forward and the counterclockwise rotation is reverse from the center of the shuttle dial 20, but conversely, the counterclockwise rotation is forward and the clockwise rotation is reverse. Good.

Further, in the above embodiment, the example in which the filing device is the MO drive has been shown, but it may be another optical disk device, magnetic disk device or the like.

[0036]

According to the present invention, the switching speed of the screen of the display can be freely changed by rotating the variable speed reproduction dial, so that, for example, the search efficiency can be improved and the search can be performed. You can save time.
Further, since the variable speed reproduction dial is used, there is an advantage that even a searcher who is not very familiar with the system can easily visually understand the search operation itself.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment.

FIG. 2 is a block diagram showing a specific configuration of a system body.

FIG. 3 is a plan view showing a configuration of a remote controller.

FIG. 4 is a flowchart showing a search operation.

[Explanation of symbols]

 1-1 to 1-n Search terminal 2 Signal line 3 Database 11 System main unit (central unit) 12 Display 13 Magneto-optical disk drive 14 Keyboard 15 Mouse 16 Remote controller 20 Shuttle dial

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location G09G 5/36 9177-5G H04N 5/76 B 7916-5C

Claims (1)

[Claims] 1. A filing device for storing still image data, a display for displaying a still image, and a filing device interposed between the filing device and the display for extracting the still image data from the filing device. A control unit for supplying a display with a still image to display a still image, the control unit provided with a variable speed reproduction dial, and changing the screen switching speed of the still image displayed on the display according to the rotation angle of the dial. A still image display device characterized by the above.