KR20040096408A - Method and system of performing digital contents management in a mobile apparatus - Google Patents

Abstract

PURPOSE: A method for managing digital contents in a mobile communication terminal is provided to receive video data at a time by binding the video data in a bundle, and to store the bound video data in a nonvolatile memory not to delete the data, then to store released compression video data in a volatile memory. CONSTITUTION: A controller receives compression data including information on plural video data and information on situations when videos are displayed. The controller stores the compression data in a nonvolatile memory. The controller stores each of released compression data and the information on the situations when the videos are displayed in a volatile memory. The compression data is released when a mobile communication terminal is started to operate by being applied with power. The released compression data and the information on the situations are stored in the volatile memory.

Description

TECHNICAL FIELD AND SYSTEM OF PERFORMING DIGITAL CONTENT MANAGEMENT IN A MOBILE APPARATUS

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication terminal, and to a method for compressing information on a plurality of video data for display on a video display means of a mobile communication terminal and information on a situation in which the video is displayed. A storage method and a method of displaying the video data.

The present invention is to reduce the data size by using a compression algorithm to store the digital content transmitted to the mobile terminal through the wired and wireless Internet and other communication devices to be stored in a nonvolatile memory to efficiently use the storage space, the digital content specific application The present invention relates to a method and apparatus for digital content management in a mobile communication terminal for enabling rapid data access by restoring an uncompressed original form into a volatile memory.

Recently, the mobile communication terminal has been so popular that one person possesses about one, various services are increasing accordingly. One of them is to provide a video for displaying the image on the video display means of the mobile communication terminal, the user pays a fee and receives the image to the mobile communication terminal to configure the screen.

Conventionally, a user has to directly specify a situation in which the image is displayed by receiving each of the necessary image data, and the image data is stored in a slow nonvolatile memory to prevent the image data from being deleted when the power is removed.

Recently, in order to use various services in a mobile communication terminal, digital contents that are transmitted through a wired / wireless internet and various communication devices have become increasingly large. Therefore, the demand for the internal memory capacity of the mobile communication terminal is increasing in order to increase the capacity of the digital contents, which is reflected in the production cost factors of the mobile communication terminal equipment.

In addition, in order to preserve the received digital content even when power is removed, it must be stored in nonvolatile memory (usually Flash ROM), but nonvolatile memory has a disadvantage of slower data access speed than volatile memory (normal RAM).

In the related art, a user designates a situation in which the image data is received and the image is displayed, which makes the user feel troublesome, and each image data is stored in the nonvolatile memory so that the image is displayed when the image is displayed. The image data is read from the memory and displayed on the image display means. In general, the speed of the nonvolatile memory is slow, so that the image is displayed on the image display means so slowly that the user can feel it.

Accordingly, an object of the present invention is to make a bundle of necessary image data to be transmitted at a time, the bundle data is stored in a nonvolatile memory so as not to be deleted, and the decompressed image data is stored in a fast volatile memory The purpose of this is to make the video display quick.

In the case of the majority of digital content, especially digital content composed of text or HTML documents, data compression algorithms can reduce the file size. Therefore, the present invention provides a technical means for reducing the capacity of the memory required to store digital content by reducing the file size of the content by using a data compression algorithm before storing the received digital content in the memory It is characterized by.

1 is a block diagram of a mobile communication terminal according to the present invention;

2 is an example of compressed data used in the present invention.

3 is a configuration diagram of a storage location of image data of a mobile communication terminal according to the present invention;

4 is a flowchart illustrating an image data management method of a mobile communication terminal according to the present invention;

5 is a flowchart illustrating a method of displaying image data of a mobile communication terminal according to the present invention;

♣ Explanation of symbols for the main parts of the drawing ♣

98: antenna 100: RF section

102: modem 104: key input unit

106: control unit 108: image display means

110: nonvolatile memory 112: volatile memory

In order to achieve the above object, a mobile communication terminal includes a nonvolatile memory and a volatile memory for storing information on a plurality of video data and information about a situation in which the video is displayed, information on a plurality of video data, and the video. Controlling image input means for receiving and storing compressed data including information on the displayed situation, image display means for displaying an image stored in the memory, memory, image input means, and image display means It includes a control unit for.

The configuration diagram of the mobile communication terminal according to the present invention is shown in FIG. As shown in Fig. 1, a mobile communication terminal is composed of a data transmission device, a compression and decompression device (compression algorithm and processing defined), a volatile memory, a nonvolatile memory, and other devices. That is, the antenna 98, the RF unit 100, the modem 102, the key input unit 104, the control unit 106, the image display means 108, the nonvolatile memory 110, volatile memory 112 Include.

On the other hand, the image data management method of a mobile communication terminal according to the present invention, the step of receiving compressed data including information on a plurality of image data and information on the situation in which the image is displayed from the outside of the mobile communication terminal. Storing compressed data including information on a plurality of pieces of image data and information on a situation in which the image is displayed, and information on each decompressed image data and the situation in which the image is displayed. And storing in a volatile memory.

And decompressing the compressed data including information on a plurality of pieces of image data and information on a situation in which the image is displayed when the mobile communication terminal is supplied with power and starts operation. And storing the decompressed image data and information on the situation in which the image is displayed when the mobile communication terminal is powered and start operation in the volatile memory.

The present invention includes the steps of receiving digital content from an external system and device via a wired or wireless Internet or other communication device, a data compression step of compressing the received digital content, and a storage step of storing the compressed data in a memory device. Characterized in that.

Decompressing and restoring the stored compressed data to the original data, Saving the restored digital content to volatile memory, Using a service that allows a specific application to access the restored digital content so that the user can use the service Characterized in that it comprises a step.

2 is an example of compressed data used in the present invention, and includes information on a plurality of pieces of video data and information on a situation in which the video is displayed. Information on a plurality of video data and information on a situation in which the video is displayed are made to correspond. Since information on a plurality of video data and information on a situation in which the video is displayed are corresponded, there is no problem even if the order of data is reversed in the compressed file, and there is no problem even if the video data is further increased or decreased.

3 is a configuration diagram of a storage location of image data of a mobile communication terminal according to the present invention. In a slow nonvolatile memory, data in which a plurality of image data and information on a situation of displaying the image are compressed is stored. In addition, the fast volatile memory stores the decompressed image data and information on the situation in which the image is displayed.

The data in which a plurality of video data and information about the video display situation are compressed is decompressed when the mobile communication terminal is powered on and starts operation, and at this time, each of the decompressed video data and the video is decompressed. Information about the situation being displayed is stored in volatile memory.

4 is a flowchart illustrating an image data management method of a mobile communication terminal according to the present invention.

First, when the mobile terminal starts to operate with power supply, it searches whether the video compression data exists in the nonvolatile memory. If present, the video compression data is decompressed and the terminal initialization is completed by storing each of the decompressed video data and information on the situation in which the video is displayed in the volatile memory.

The video data display method of the mobile communication terminal according to the present invention uses the uncompressed video data stored in the volatile memory and information on the situation in which the video is displayed to generate a situation in which the user needs to display the video. When the corresponding image is displayed on the image display means.

5 is a flowchart illustrating an image data display method of a mobile communication terminal according to the present invention.

After the initialization of the mobile communication terminal is completed and the video compression data of the nonvolatile memory is decompressed, each of the decompressed video data and the situation in which the video is displayed are stored in the volatile memory. If it does, it searches for the image data corresponding to the situation in the volatile memory, and if it exists, displays the image and waits for the situation where the image is needed again. If there is no image data corresponding to the situation, no image is displayed. It waits for the situation that needs to display the image again.

As described above, according to the present invention, since information on a plurality of pieces of image data and information on a situation of displaying the image are treated as a bundle, it becomes easier for a user to receive the image data to a mobile communication terminal. By managing the information of multiple video data and the situation in which the video is displayed in a compressed bundle, the demand for nonvolatile memory can be reduced, and when the mobile communication terminal is powered on, it decompresses and decompresses the speed. It is stored in fast volatile memory in advance so that the display speed of image is faster. According to the present invention, if the digital content received through the data transmission device is stored in the memory device by reducing the data file size using a data compression algorithm, the memory capacity in the mobile communication terminal can be reduced. In addition, when the service is used by restoring the compressed data file stored in the nonvolatile memory to the volatile memory, the data loading speed is improved, so that the service can be used faster.

Claims (4)

Compression including non-volatile memory and volatile memory for storing information on a plurality of image data and information about a situation in which the image is displayed, and information about the plurality of image data and information on the situation in which the image is displayed. Image data of a mobile communication terminal including image input means for receiving data and storing it in a memory, image display means for displaying an image stored in the memory, and a controller for controlling the memory, the image input means, and the image display means. In the management method, Receiving compressed data including information on a plurality of video data and information on a situation in which the video is displayed from the outside of the mobile communication terminal; Storing compressed data including information about a plurality of image data and information about a situation in which the image is displayed, in a nonvolatile memory; And storing the decompressed video data and information on a situation in which the video is displayed in a volatile memory. The method of claim 1, Decompressing compressed data including information on a plurality of video data and information about a situation in which the video is displayed when the mobile communication terminal is powered on and starts to operate; And storing the decompressed image data and information on a situation in which the image is displayed in the volatile memory when the mobile terminal is powered on to start operation. Way. The method of claim 1, By using the uncompressed image data stored in the volatile memory and information on the situation in which the image is displayed, the corresponding image is displayed on the image display means when the user generates a situation in which the image is required. A video data management method of a mobile communication terminal. Storing compressed data including information on a plurality of pieces of image data and information on a situation in which the image is displayed in the nonvolatile memory, and information on each of the decompressed image data and the situation in which the image is displayed. Storing the compressed data including information on a plurality of pieces of image data and information about a situation in which the image is displayed, and extracting the compressed data when the mobile communication terminal is powered on and starts operation; Storing the decompressed image data in the volatile memory when the communication terminal is supplied with power and starting operation, and the decompressed image data stored in the volatile memory. And information about the situation in which the video is displayed, and the user indicates a situation in which the video display is necessary. The mobile communication terminal device when the image corresponding sikyeoteul comprising the step of causing display on the video display means.