JP2004295975A - Data recorder and data recording method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a data recorder capable of preventing data from being lost when changing a recording medium regardless of the vacant area in the record medium. <P>SOLUTION: The data recorder comprises a plurality of recording media 7, 8; a user operation section 4 for specifying the recording medium for instructing the start of recording operation; a data input section 2 for inputting data according to an instruction for the start of recording operation; an information processing section 5 that acquires the input data by a prescribed quantity each time, performs recording when all of the acquired prescribed quantity of the data can be recorded at the specified recording medium, and instructs that the recording medium is automatically changed to another recordable recording medium for recording when recording cannot be made; a recording control section 6 that changes the recording medium and records the data, based on the instruction from the information processing section 5; and a display section 3 for displaying a recording condition, such as the recording medium when recording or/and after recording completion and the vacant area. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a data recording device and a data recording method for writing data, and more particularly to a data recording device and a data recording method for controlling writing to a plurality of recording media including a removable recording medium.
[0002]
[Prior art]
2. Description of the Related Art In recent years, information devices such as digital cameras and IC recorders that record data on a detachable recording medium in addition to a built-in fixed storage device in order to store data such as a photographed image and a recorded voice have become widespread. are doing.
In addition, products capable of mounting a plurality of recording media for the purpose of increasing the recording capacity are being commercialized.
In a product having a plurality of recording media, data is recorded on a designated recording medium when a user designates a storage medium to be recorded by operating a switch or the like.
[0003]
For example, Patent Literature 1 discloses “a storage medium information storage unit in which storage (recording) medium information including a file name and a maximum write size is stored in advance, and input data based on the storage medium information in the storage medium information storage unit. A data control device having a write data distribution unit that controls the writing to be divided into the files, writing within the maximum writing size of each file, and dividing and storing the divided files.
[0004]
Japanese Patent Application Laid-Open No. H11-163,199 discloses that an imaging optical system that forms a subject image, an image sensor that captures the subject image and generates image data, a buffer memory that temporarily stores the generated image data, A connection section for detachably connecting the portable memory to the main body, a wireless communication circuit capable of communicating with an external device via a wireless line, and a portable memory connected to the connection section for temporarily storing image data in a buffer memory And an image storage control unit for transferring the image data temporarily stored in the buffer memory to an external device by a wireless communication circuit when the portable memory is not substantially available. ing.
[0005]
[Patent Document 1]
JP-A-9-244816 (Claim 1, FIG. 1)
[Patent Document 2]
Japanese Patent Application Laid-Open No. 2002-171434 (Claim 1, FIG. 1)
[0006]
[Problems to be solved by the invention]
However, in the related art disclosed in Patent Document 1, even if the device has a plurality of recording media, when recording data continuously, such as in the case of moving image shooting or audio recording, Before and after the recording medium runs out of free space, it is necessary to change the writing destination to another recording medium by a user operation.
In addition, since the switching operation of the recording medium by the user requires a certain amount of time, the photographing / recording operation and the data recording operation are interrupted, and there is a problem that data cannot be stored during the operation and a part of the data is lost.
[0007]
In order to shorten the missing time during the continuous recording, the user must always be aware of the free space of the recording medium, perform an appropriate break, and perform the switching operation.
In this case, the entire free space of the recording medium cannot be used, so that the free space is wasted.
Furthermore, when data is recorded across a plurality of recording media, the data on each recording medium is treated as separate data, and there is an inconvenience that data cannot be treated as a series of data.
In addition, the conventional technique disclosed in Patent Document 2 requires a wireless communication circuit in the device configuration, which increases costs and cannot be used in an environment where wireless communication is not possible.
[0008]
The present invention has been made in order to solve such a conventional problem. For example, in an information terminal device such as a mobile phone, when recording data to be continuously input, a user records the data. Highly convenient data recording device or data recording method that can continuously record data without worrying about the free space of the medium and preventing data loss occurring when switching the recording medium to which data is written. The purpose is to provide.
[0009]
[Means for Solving the Problems]
A data recording apparatus according to the present invention includes: a plurality of recording media; a user operation means for designating one of the plurality of recording media by a user operation and instructing a start of a recording operation; Data input means for inputting data to be recorded, and a predetermined amount of data input by the data input means, and all of the obtained predetermined amount of data are input by the user operation means. It is determined whether or not recording is possible on the designated recording medium, and if recording is possible, an instruction is given to record the acquired data on the recording medium designated by the user operation means. For example, an information processing means for automatically changing the designation of the recording medium to another recordable recording medium and instructing to record the acquired data, and a finger from the information processing means. Recording means for switching the recording medium and recording data based on the recording medium, and display means for displaying a recording state such as a recording medium during or / and after recording and a free space thereof. .
[0010]
In addition, the data recording method according to the present invention includes a user operation step of designating one of a plurality of recording media by a user operation, and instructing start of a recording operation, and responding to an instruction in the user operation step. A data input step of inputting data to be recorded, and a predetermined amount of data input in the data input step, and all of the obtained predetermined amount of data are recorded on a recording medium designated by the user operation step. It is determined whether or not recording is possible, and if recording is possible, it is instructed to record the acquired data on the recording medium specified in the user operation step. An information processing step of automatically changing the designation of the recording medium to a recordable recording medium, and instructing to record the acquired data; A recording control step of switching a recording medium and recording data based on an instruction in the recording information processing step, and a display step of displaying a recording state such as a recording medium during or / and after recording and a free space thereof. It has.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
FIG. 1 is a diagram showing a hardware configuration of a data recording device according to the first embodiment of the present invention.
In the figure, 1 is a data recording device according to the present embodiment, 2 is a data input unit, 3 is a display unit, 4 is a user operation unit, 5 is an information processing unit, 6 is a recording control unit, 7 is a recording medium A, 8 Is a recording medium B.
The entire data recording device 1 is controlled by an information processing unit 5 including a CPU, a memory, an external I / F, and the like.
The data input unit 2 is a unit that acquires various data such as images and sounds, and is configured by an input sensor, an A / D converter, a memory, a control device, and the like corresponding to various devices.
[0012]
The display unit 3 is a part that displays various information such as a storage state of the acquired data or a current operation state and indicates the information to a user (operator), and is configured by an LCD (Liquid Crystal Display: liquid crystal display screen) or the like. .
The user operation section 4 is a section where the user performs various operations such as starting and stopping recording, and is configured by input buttons and the like.
The recording control unit 6 is a unit that writes and reads data to and from a plurality of recording media (for example, the recording media A and B indicated by reference numerals 7 and 8) and switches the recording media.
[0013]
The recording medium A and the recording medium B are portions where input data is recorded, and use a removable recording medium such as an IC memory card or a magnetic disk.
FIG. 1 shows a case where two recording media are used, but two or more recording media may be used.
Further, the recording method of each recording medium may be different, or a configuration in which a fixed recording medium and a detachable recording medium are combined may be used.
[0014]
Next, an operation of recording data on a recording medium will be described with reference to a flowchart shown in FIG.
First, it is assumed that one of the plurality of recording media to which data is to be recorded is specified in advance by a user's setting operation or the like.
The ID (identification: identification information) of the recording medium designated as the writing destination, its free space, the recording status of the data, and the like are displayed on the display unit 3 and can be confirmed by the user.
[0015]
In step S101, a data recording operation is started by a user's photographing operation or the like on the user operation unit 4.
In step S102, the information processing unit 5 acquires a part or all of the input data from the data input unit 2.
For data that can be completed in a very short time and that has a small data acquisition size, such as a still image with a relatively small data amount, one shot is collectively acquired.
In addition, for data that has a large data acquisition size or data that is continuously captured over a long period of time, such as moving images and audio, data for a certain time or a certain size is obtained.
That is, the information processing section 5 acquires the data input by the data input means by a predetermined amount.
[0016]
In step S103, the information processing unit 5 acquires information on the recording medium from the recording control unit 6, and the recording medium to be written (that is, the recording medium A or the recording medium B) is mounted, and in step S102, It is determined whether or not there is free space necessary to record the acquired predetermined amount of data. If “YES”, the process proceeds to step S104, and the recording control unit 6 determines the recording medium Write data to
Then, in step S105, the information processing section 5 determines whether the photographing operation has already been completed and whether all the data has been written to the recording medium. If [YES], the recording operation is completed.
In the case of [NO], the process returns to step S102, and the operation of acquiring and recording a predetermined amount of data is continued.
[0017]
On the other hand, if [NO] is determined in the step S103, the process proceeds to the step S106.
Here, the information processing unit 5 checks whether or not there is another writable recording medium based on the information from the recording control unit 6. If [YES], the process proceeds to step S107, and the priority of the recording medium is determined. The designation of the recording destination is automatically changed according to, and the user is notified that the designation of the recording destination has been switched.
Then, the process proceeds to S104, and data is continuously written to the recording medium after the designation change through the recording control unit 6.
[0018]
On the other hand, if [NO] is determined in step S106, the information processing unit 5 notifies the user that the writing has been interrupted due to lack of free space on the display unit 3 and completes the recording operation.
With the above operation, even when the free space of the recording medium to which data is written becomes insufficient, such as during moving image shooting, the recording destination designation is automatically changed without user operation by the determination of the information processing unit 5, so that Data can be continuously recorded without missing data.
[0019]
When reproducing the data recorded on each recording medium, it is possible to read the data by selecting the recording medium on which the data is recorded and specifying a data identification name such as a file name (that is, the data can be reproduced). It is.
In addition, when a series of data such as moving images and audio is recorded over multiple media, the recording location and order of each divided data should be retained so that they can be treated as a series of data during reproduction. Is possible.
However, when a series of data is divided and recorded on a plurality of recording media, a plurality of recording media on which they are recorded are always required at the time of reproduction, and it is inconvenient to handle as it is.
[0020]
Therefore, using a flowchart shown in FIG. 3, an operation performed when a series of data such as a moving image and a sound are divided and recorded over a plurality of recording media and then reconstructed as a series of data on a single recording medium will be described. explain.
The following operation is automatically started from a user operation or after divisional recording by automatic change of recording destination during data recording.
In step S201, the information processing unit 5 acquires the size information of a series of data divided and recorded from the recording control unit 6, and calculates the total size thereof.
In step S202, the information processing unit 5 obtains the free space of the currently specified recording medium from the recording control unit 6, and determines whether a series of data can be reconstructed on the recording medium.
If [YES], the process proceeds to step S203. If [NO], the user is notified that reconfiguration is impossible due to insufficient free space, and the operation is completed.
[0021]
In step S203, the information processing unit 5 copies the divided data other than the currently specified recording medium to the currently specified recording medium through the recording control unit 6, and reconstructs the data as a series of data.
Then, in step S204, the information processing unit 5 deletes unnecessary divided data other than the currently specified recording medium through the recording control unit 6, and notifies the user of the completion of the reconstruction by the display unit 3 to the user. Complete the operation.
With the above operation, after a series of data is divided and recorded over a plurality of media, it is possible to reconstruct the series of data on a single recording medium.
Therefore, it is possible to easily reproduce data divided and recorded on a plurality of recording media.
[0022]
As described above, the data recording apparatus according to the present embodiment specifies the plurality of recording media 7 and 8 and one of the plurality of recording media by a user operation, and starts the recording operation. A user operation unit (user operation unit) 4 for instructing, a data input unit (data input unit) 2 for inputting data to be recorded in accordance with an instruction of the user operation unit (user operation unit) 4, and a data input unit ( Data input means) 2 is obtained by a predetermined amount at a time, and whether all of the obtained predetermined amount of data can be recorded on the recording medium designated by the user operation unit (user operation means) 4 If recording is possible, it is instructed to record the acquired data on the recording medium specified by the user operation unit (user operation means) 4. An information processing unit (information processing unit) 5 for automatically changing the designation of the recording medium to the recording medium and recording the acquired data, and based on an instruction from the information processing unit (information processing unit) 5 A recording control unit (recording control means) 6 for switching recording media and recording data, and a display unit (display for displaying recording conditions such as recording media during and / or after recording and their free space). Means) 3.
[0023]
Thus, even when data needs to be continuously written, such as when shooting a moving image, the user does not have to worry about the free space of the recording medium and can also skip data during switching of the recording medium. Data recording can be performed continuously without occurrence.
[0024]
Further, the plurality of recording media of the data recording device according to the present embodiment include a recording medium fixed to the data recording device main body and a recording medium detachable from the data recording device main body.
Further, the data recording device according to the present embodiment includes a data reading unit that reads data recorded on a plurality of recording media.
Further, the information processing unit (information processing means) 5 of the data recording apparatus according to the present embodiment divides a series of data into a plurality of recording media and records the data.
Further, the data recording device according to the present embodiment includes means for reading a series of data divided and recorded on a plurality of recording media, and reconstructing the series as the original series of data.
Further, the data recording apparatus according to the present embodiment includes means for writing data reconstructed as a series of original data to a single recording medium.
[0025]
【The invention's effect】
A data recording apparatus according to the present invention includes: a plurality of recording media; a user operation unit for designating one of the plurality of recording media by a user operation and instructing a start of a recording operation; Data input means for inputting data to be recorded in accordance with an instruction, and data input by the data input means are obtained by a predetermined amount, and all of the obtained predetermined amount of data is recorded by the user operation means. It is determined whether or not recording is possible on the medium, and if recording is possible, an instruction is given to record the acquired data on the recording medium specified by the user operation means. Information processing means for automatically changing the designation of the recording medium to a possible recording medium and instructing to record the acquired data; and a recording medium based on the instruction from the information processing means. Switching and data recording, and display means for displaying recording conditions such as recording medium during and / or after recording and its free space. When recording data, the user does not care about the free space of the recording medium, prevents data loss that occurs when switching the recording medium of the writing destination, and can continuously record data. An excellent data recording device can be provided.
[0026]
Further, the data recording method according to the present invention specifies one recording medium among a plurality of recording media by a user operation, and responds to a user operation step of instructing start of a recording operation and an instruction in the user operation step. A data input step of inputting data to be recorded, and a predetermined amount of data input in the data input step are obtained, and all of the obtained predetermined amount of data is recorded on a recording medium specified by the user operation step. It is determined whether or not recording is possible. If recording is possible, an instruction is given to record the acquired data on the recording medium specified in the user operation step. If recording is not possible, another recordable recording is performed. An information processing step for automatically changing the designation of the recording medium on the medium and instructing to record the acquired data; A recording control step of switching the recording medium and recording data based on the instruction in the recording medium, and a display step of displaying a recording state such as a recording medium during or / and after recording and a free space thereof. Therefore, when recording continuously input data, the user does not need to worry about the free space of the recording medium, and prevents data loss that occurs when switching the recording medium to which data is to be written. A data recording method capable of recording data can be provided.
[Brief description of the drawings]
FIG. 1 is a diagram showing a hardware configuration of a data recording device according to a first embodiment.
FIG. 2 is a flowchart for explaining a data recording operation of the data recording device according to the first embodiment.
FIG. 3 is a flowchart for explaining a data reconstruction operation of the data recording device according to the first embodiment.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 data recording device 2 data input unit 3 display unit 4 information processing unit 6 recording control unit 7 recording medium 8 recording medium

Claims (7)

A plurality of recording media;
User operation means for designating one of the plurality of recording media by a user operation and instructing the start of a recording operation;
Data input means for inputting data to be recorded according to an instruction of the user operation means,
A predetermined amount of data input by the data input unit is obtained at a time, and it is determined whether or not all of the obtained predetermined amount of data can be recorded on the recording medium specified by the user operation unit. If possible, instruct the recording of the acquired data on the recording medium specified by the user operation means. If recording is not possible, automatically change the specification of the recording medium to another recordable recording medium. And information processing means for instructing to record the acquired data,
Recording control means for switching the recording medium and recording data based on an instruction from the information processing means,
A data recording apparatus, comprising: display means for displaying a recording medium during and / or after recording and a recording state such as a free space thereof. 2. The data recording device according to claim 1, wherein the plurality of recording media are constituted by a recording medium fixed to and detachable from a data recording device main body. 3. The data recording apparatus according to claim 1, further comprising a data reading unit that reads data recorded on the plurality of recording media. 4. The data recording apparatus according to claim 1, wherein said information processing means divides and records a series of data on said plurality of recording media. 5. The data recording apparatus according to claim 4, further comprising means for reading a series of data divided and recorded on the plurality of recording media and reconstructing the series of data as an original series of data. 6. The data recording apparatus according to claim 5, further comprising means for writing data reconstructed as a series of original data on a single recording medium. A user operation step of designating one of the plurality of recording media by a user operation and instructing a start of a recording operation;
A data input step of inputting data to be recorded according to an instruction in the user operation step;
The data input in the data input step is obtained by a predetermined amount at a time, and it is determined whether all of the obtained predetermined amount of data can be recorded on the recording medium specified by the user operation step, and the recording is performed. If possible, instruct the recorded data to be recorded on the recording medium specified in the user operation step. If recording is not possible, automatically specify the recording medium on another recordable recording medium. An information processing step of instructing to change and record the obtained data;
A recording control step of switching the recording medium and recording data based on the instruction in the information processing step;
A data recording method, comprising a display step of displaying a recording state during and / or after recording and a recording medium such as a free space.

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