JP2001184662A - Recording/reproducing device for recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording/reproducing device for an easily re-recordable recording medium. SOLUTION: The recording/reproducing device for the recording medium is provided with a recording means 1 recording information on the recording medium, a reproducing means 2 reproducing the information recorded on the recording medium, a control means 6 controlling the whole operation and an erase instruction key 8 instructing an erase function erasing the information recorded in a prescribed area from the recording medium. Further, the recording/reproducing device is provided with an information saving memory 13 saving the information to be erased by the control of the control means 6 when the erase function is operated by the instruction of the erase instruction key 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a recording / reproducing apparatus for a recording medium.

[0002]

2. Description of the Related Art As a conventional recording / reproducing apparatus for a recording medium,
For example, there is an MD player using an MD (mini disc) as a recording medium. FIG. 4 is a block diagram showing a configuration example of an MD player as a conventional recording / reproducing apparatus for a recording medium. In FIG. 4, the MD player includes a writing unit 1 including a writing head or the like, a reading unit 2 including a reading head or the like, an encoder / decoder 3, a memory controller 4, a memory 5, a system controller 6, A display unit 7 and an erasure instruction key 8 are provided.

When a recording function for recording information on an MD is operated,
By operating a recording instruction key (not shown), recording information from a recording source (not shown) is encoded by the encoder / decoder 3 to be a recording signal, and the recording signal is recorded on the MD by the writing unit 1. Further, when the reproducing function for reproducing the information recorded on the MD is operated, the information recorded on the MD is read by the reading section 2 by the operation of a reproduction instruction key (not shown), and the encoder / decoder 3 decodes and reproduces the information. Get the signal.

On the other hand, when an erasing function for erasing information recorded in a predetermined recording area from the MD is operated, a recording area in which information to be erased is recorded, for example, a track number is designated and an erasure instruction key 8 is pressed. Push. As a result, an erasing signal is written to the designated track number by the writing unit 1, and the recorded information is completely erased.

FIG. 5 is a flowchart showing the above-described erasing process. First, the system controller 6 determines whether the erase instruction key 8 has been input (step S3).
1). If the answer is yes, an erase signal is written to the designated recording area of the MD, for example, the designated track number, and the original recorded information is completely erased. On the other hand, if the answer is no, the process ends.

[0006]

However, in the above-described erasing process, when recording information is deleted by mistake, the recording medium on which the deleted recording information is recorded needs to be replaced in order to re-record. There is a problem of doing.

[0007] In view of such problems, an object of the present invention is to provide a recording / reproducing apparatus for a recording medium in which re-recording is easy.

[0008]

In view of the above-mentioned object,
A recording / reproducing apparatus for a recording medium according to the present invention includes: a recording unit that records information on a recording medium; a reproducing unit that reproduces information recorded on the recording medium; a control unit that controls overall operation; An erasure instruction key for instructing an erasure function for erasing information recorded in the recording area, and an information evacuation operation for evacuating information to be erased under the control of the control means when the erasure function is operated by the instruction of the erasure instruction key. It has a memory. As a result, it is possible to immediately call up the recorded contents of the recording medium which has been erased by mistake, and re-recording can be easily performed.

In another aspect of the present invention, in addition to the recording / reproducing apparatus for a recording medium according to the above-described invention, the control means stores the information after saving the information in the information saving memory when the erasure instruction key is input once. The control is performed such that, when the erasure is performed and the erasure instruction key is successively input twice, the information is erased without saving the information in the information save memory. As a result, the normal erasing function and the erasing function with information saving can be designated by one erasing instruction key.

According to another aspect of the present invention, a memory access key, a return information selection key, and a return instruction key are provided in addition to the recording medium recording / reproducing apparatus of the above-described inventions. Then, the control means operates an information restoration function of re-recording the information saved in the information saving memory on the recording medium by inputting the memory access key, and is saved by the information saving memory by inputting the return information selection key. The selected information is selected, and by inputting a return instruction key, control is performed such that the selected information is recorded on a recording medium by the recording means.

According to another aspect of the present invention, in addition to the recording / reproducing apparatus for a recording medium according to each of the above aspects, the memory access key also functions as at least one of a return information selection key and a return instruction key. Thus, the number of additional keys can be reduced, the operation can be simplified, and the size of the device can be reduced.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a recording / reproducing apparatus for a recording medium according to the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing components of a recording / reproducing apparatus for a recording medium according to an embodiment of the present invention. In FIG. 1, the same components as those of the conventional apparatus shown in FIG.

In FIG. 1, a recording / reproducing apparatus for a recording medium is, for example, an MD player, and includes a writing unit 1 as recording means, a reading unit 2 as reproduction means, an encoder / decoder 3, a memory controller 4, A memory 5, a system controller 6 as control means,
Display unit 7, erase instruction key 8, memory access key 9
, A return information selection key 10, a return instruction key 11, a memory controller 12, and an information save memory 13. The writing unit 1 includes a writing head. The reading unit 2 includes a reading head.

In the above configuration, the operation of the present invention will be summarized. During the operation of the erasing function for erasing the information recorded on the MD, it is possible to select whether to erase the recorded information to be erased after being saved in the information saving memory 13 or to erase without saving the information. When the information is saved in the information save memory 13, the erased record information is stored in the information save memory 13.
, And information recovery processing for re-recording in the MD can be performed.

Further, the above operation will be described in detail. When erasing is performed during the operation of the erasing function, a recording area where information to be erased is recorded, for example, a track number,
Is specified and the delete instruction key 8 is pressed.

When the erasure instruction key 8 is input only once, under the control of the system controller 6, the recording information of the designated track number is read by the reading unit 2, and the encoder / decoder 3 and the memory controller 1 are read.
2 to the information save memory 13. Save of the record information can be performed once or plural times according to the recording capacity of the information save memory 13. Next, under the control of the memory controller 6, an erasure signal is written to the track number specified by the writing section 1, and the recorded information is completely erased.

The input of the erasure instruction key 8 is continuously
If the recording is performed twice, the record information of the designated track number is not saved in the information save memory 13. And
An erase signal is written to the track number designated by the writing unit 1 under the control of the system controller 6, and the recorded information is completely erased.

Next, when the record information to be erased is saved in the information save memory 13, the memory access key 9, the restore information selection key 10 and the restore instruction key 11 are input.
An information restoration process for re-recording on the MD can be performed. That is, first, when the memory access key 9 is input, the information save memory 1 is controlled by the system controller 6.
The information saved in 3 is displayed on the display unit 7 and becomes selectable. The display of information on the display unit 7 is, for example,
The title may be the title of the erased record information.
When there are a plurality of pieces of erasure information, all the information may be displayed at the same time, or only the information to be restored may be scroll-displayed.

Next, by inputting the return information selection key 10 while looking at the display on the display unit 7, information to be restored is selected from all the information saved in the information save memory 13. When the return instruction key 11 is input after selecting the information to be restored, the selected information is called from the information save memory 13 under the control of the system controller 6. The called information is recorded in the designated recording area of the MD in the writing unit 1 via the memory controller 12 and the encoder / decoder 3. In this way, the information once erased is re-recorded on the MD.

On the other hand, after the return information is selected, the erase instruction key 8
When is pressed, the information is also erased from the information save memory 13 under the control of the system controller 6. Therefore, in this case, the information is erased from the MD and also from the information save memory 13, so that the information is completely erased.

FIG. 2 is a flowchart showing the above-described erasing process. First, the system controller 6 determines whether or not the delete instruction key 8 has been input (Step S
1). If the answer is no, the process ends. On the other hand, if the answer is yes, the system controller 6 determines whether the erase instruction key 8 has been pressed twice (step S2).

If the answer to step S2 is NO (that is, if the erase instruction key 8 has been pressed only once),
The information to be erased from the recording medium (that is, the MD) is read from the recording area (for example, the track number) by the reading unit 2 and moved to the information save memory 13 via the encoder / decoder 3 and the memory controller 12 (step S3). ). Then, the erasure information is written to the track number designated by the writing unit 1 under the control of the system controller 6, the recorded information is completely erased, and then the processing is terminated.

On the other hand, if the answer to step S2 is yes,
The information to be erased is not saved in the information save memory 13, but an erase signal is written in a recording area (for example, a track number) in which the information to be erased is recorded, and the original recorded information is completely erased (step S4). With such a series of steps, the erasing process ends.

Next, FIG. 3 is a flowchart showing the above-described information restoration process. First, the system controller 6
Determines whether the information save memory 13 is being accessed (step S11). If the answer is no, the system controller 6 determines whether the memory access key 9 has been input (step S12). If the answer is no, the process ends.

On the other hand, if the answer in step S11 is yes or if the answer in step S12 is yes, the information currently selected in the information saving memory 1 is displayed on the display unit 7 (step S13). Next, the system controller 6 determines whether or not the return information selection key 14 has been input (step S14). If the answer is no, the process proceeds to step S16. On the other hand, if the answer is yes, return information is selected (step S15), and then step S16
Proceed to.

Next, the system controller 6 determines whether the return instruction key 11 has been input (step S).
16). If the answer is yes, the selected information is transferred from the save memory 13 to the memory controller 12, the encoder /
After moving to the recording medium via the decoder 3 and the writing unit, the data is written to the original recording area (step S1).
7).

On the other hand, if the answer to step S16 is NO, the system controller 6 determines whether the erase instruction key 8 has been input (step S18). If the answer is no, the process ends. On the other hand, if the answer is yes, the selected information is deleted from the save memory 13 (step S19). With such a series of steps, the information restoration process ends.

As described above, the embodiments of the present invention have been described. However, the present invention is not limited thereto, and various modifications and applications are possible.

For example, the memory access key 9 and the return information selection key 10 may be one key, and may also have a function. Similarly, the memory access key 9 and the return instruction key 11 can be made one key, and the function can be shared. Further, the memory access key 9, the return information selection key 10, and the return instruction key 11 can be made one key, and the functions can be shared.

Further, as another embodiment, when information is recorded on a recording medium, the information is also recorded in the information save memory 13 so that the erased contents can be restored by the above-described information restoration processing. good. In this case, the record contents that can be restored are limited according to the record capacity of the information save memory 13.

In the above-described embodiment, an MD player has been described as an example of a recording / reproducing apparatus for a recording medium. However, a CD-RW may be used. The information to be erased or saved may be a video signal in addition to music information.

It is also possible to send information from the information save memory 13 to a new recording medium different from the first and record it.

[0034]

According to the present invention, since the information save memory is provided, it is possible to immediately call up the recorded contents which have been deleted accidentally, and the re-recording can be easily performed. Further, the information saved in the information save memory can be moved to another recording medium without using the reproduction software.

[Brief description of the drawings]

FIG. 1 is a block diagram showing components of an embodiment of a recording / reproducing apparatus for a recording medium according to the present invention. .

FIG. 2 is a flowchart showing an erasing process for erasing information recorded on an MD in the block diagram of FIG. 1;

FIG. 3 is a flowchart showing an information restoration process for re-recording erased information in the block diagram of FIG. 1;

FIG. 4 is a block diagram showing components of an MD player as a conventional recording / reproducing apparatus for a recording medium.

FIG. 5 is a flowchart showing an operation of erasing information recorded on the MD in the block diagram of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Writing part (recording means) 2 Reading part (reproduction means) 6 System controller (control means) 8 Erase instruction key 9 Memory access key 10 Return information selection key 11 Return instruction key 13 Information save memory

Claims (4)

[Claims] Recording means for recording information on a recording medium;
Reproducing means for reproducing information recorded on the recording medium;
A recording / reproducing apparatus for a recording medium, comprising: control means for controlling an entire operation; and an erasure instruction key for instructing an erasure function for erasing information recorded in a predetermined recording area from the recording medium. A recording / reproducing apparatus for a recording medium, comprising: an information save memory for saving the information under the control of the control means when an erase function is operated by a key instruction. 2. The control means according to claim 1, wherein, when said erase instruction key is input once, said information is erased after saving said information in said information save memory, and said erase instruction key is continuously input twice. 2. The recording / reproducing apparatus for a recording medium according to claim 1, wherein when input, the information is erased without saving the information in the information saving memory. 3. A storage medium comprising a memory access key, a return information selection key, and a return instruction key, wherein said control means stores said information saved in said information save memory by inputting said memory access key to said recording medium. Operating the information return function of re-recording the information, selecting the information saved in the information save memory by inputting the return information selection key, and selecting the information by inputting the return instruction key. 3. The recording / reproducing apparatus for a recording medium according to claim 1, wherein the recording means controls recording on the recording medium. 4. The memory access key according to claim 1, wherein said memory access key also functions as at least one of said return information selection key and said return instruction key.
4. The recording / reproducing apparatus for a recording medium according to any one of claims 1 to 3.