JP2000242906A - Data reproducing system and data reading system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve an efficiency of reading operation or reproducing operation of data recorded on a magnetic tape. SOLUTION: This system is arranged so that by using a tape cartridge 1 which can be loaded on a loading part of a prescribed magnetic tape driving device 7 in the 1st and 2nd loading directions opposing each other, the tape cartridge, where it is loaded in the 1st loading direction and data are recorded on a magnetic tape 4, is loaded on the loading part in the 2nd loading direction and the recorded data are read from the end of the recording and recorded on a predetermined recording medium.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a data reproducing system and a data reading system. More specifically, the present invention relates to a technology for improving the efficiency of a reproducing operation or a reading operation of data recorded on a magnetic tape.

[0002]

2. Description of the Related Art In a magnetic tape recording apparatus, for example, a tape cartridge used in a video camera, when data is recorded on the magnetic tape, the magnetic tape is sent out from a supply reel of the tape cartridge and is sent out. The taken-up magnetic tape is taken up by a take-up reel and travels.

[0003]

In order to reproduce the data on the magnetic tape which has been recorded by running as described above, it is generally necessary to run the magnetic tape at high speed and rewind it. .

However, this rewinding operation requires a certain amount of operation time, no matter how fast it can be realized. In particular, when considering a recyclable video camera in which some or all of the components that have been increasing in recent years are recyclable, data recorded on a magnetic tape of a tape cartridge used in the video camera is read out. Since it is necessary to perform editing work such as recording on another recording medium, if rewinding work is performed in the editing work, the editing work takes a corresponding amount of time, which hinders the efficiency and speed of the editing work. Will come.

[0005] In addition, there is a problem that the rewinding at a high speed causes damage to the magnetic tape, and the more the rewinding is performed at a higher speed in order to shorten the working time, the greater the damage.

Therefore, it is an object of the present invention to provide a data reproducing system and a data reading system that overcome the above-mentioned problems and improve the efficiency of reading or reproducing data recorded on a magnetic tape.

[0007]

In order to solve the above-mentioned problems, a data reproducing system according to the present invention reads data recorded on a magnetic tape from a recorded end and records the data on a predetermined recording medium. Data recorded on a predetermined recording medium is reproduced in the order recorded on the magnetic tape.

In the data reading system according to the present invention, the first magnetic tape driving device is provided with a first magnetic tape driving device and a first magnetic tape driving device.
A tape cartridge which is mounted in the first mounting direction and data is recorded on the magnetic tape using the tape cartridge which can be mounted in the mounting direction of the magnetic tape drive device in the second mounting direction. It is mounted on a mounting portion, and the recorded data is read from the recorded end side and recorded on a predetermined recording medium.

Therefore, in the data reproducing system and the data reading system of the present invention, it is not necessary to perform the operation of rewinding the magnetic tape before reading or reproducing data.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a data reproducing system and a data reading system according to the present invention will be described below with reference to the accompanying drawings.

In the embodiments described below, the present invention can be applied to data reproduction using a recyclable video camera which can only record signals on a magnetic tape and can recycle some or all of the components. This is applied to a system and a data reading system.

First, a tape cartridge used in the present system will be described (see FIG. 1).

The tape cartridge 1 has a case body 2 and a pair of tape reels 3, 3 rotatably supported by the case body 2, and a magnetic tape 4 is wound between the tape reels 3, 3. .

The case body 2 has a concave portion 2a opened on one side.
Are formed, and the main surfaces facing in opposite directions are the first surfaces, respectively.
And the second reference plane 6. The first reference surface 5 and the second reference surface 6 have positioning holes 5a, 5a,..., Positioning holes 6a, 6a,.
Are formed, and the first of the positioning holes 5a, 5a,.
Forming position with respect to the reference plane 5 and positioning holes 6a, 6a,
Are the same as the formation position with respect to the second reference plane 6. Accordingly, the tape cartridge 1 can be mounted in the first mounting direction in which the first reference surface 5 is opposed to the mounting section of the editing device described later, and the second
Can be mounted in the second mounting direction in which the reference surfaces 6 are opposed to each other.

The tape reels 3 have a substantially cylindrical shape, and are formed with engaging holes 3a, 3a opened on both sides of the case body 2 of the tape cartridge 1. Then, a part of the magnetic tape 4 is pulled out from the case body 2, and the drawn out part is positioned corresponding to the concave portion 2 a of the case body 2.

The tape cartridge 1 is built in a video camera (not shown), that is, a recycle video camera in which some or all of the components are recyclable. Data recording is performed.

The editing device 7 shown in FIGS. 2 and 3 plays a role of reading data recorded on the magnetic tape 4 by the video camera and recording the data on a predetermined recording medium, for example, a hard disk. is there. still,
The tape cartridge 1 used by the video camera and recorded with data, for example, is carried in from a user of the video camera to an editing office via a predetermined dealer, and the tape cartridge 1 is taken out of the video camera at the editing office. The editing device 7 edits the data recorded on the magnetic tape 4.

The editing device 7 has a pair of reel bases 9, 9, tape guides 10, 10,.
... The head drum 11, the capstans 12, 12, the pinch rollers 13, 13 and a tape pull-out mechanism (not shown) are arranged. The capstans 12, 12 and the pinch rollers 13, 13 are respectively disposed on opposite sides of the head drum 11.

When the tape cartridge 1 is mounted on the editing device 7, the magnetic tape 4 is pulled out by a tape pulling mechanism to form a predetermined tape path.

FIG. 2 shows a state in which the tape cartridge 1 is mounted on the editing device 7 in a direction opposite to the mounting direction of the video camera with respect to the mounting portion, and an editing operation is performed. For example, when the tape cartridge 1 is mounted on the mounting portion of the video camera in the first direction, the tape cartridge 1 is mounted on the mounting portion of the editing device 7 in the second direction.

That is, the tape cartridge 1 is turned upside down from the state of being mounted on the video camera and mounted on the editing device 7, and the magnetic tape 4 is moved from the tape reel 3 on the winding side to one of the capstans 12 and the pinch roller. 13 drives in the direction A shown in FIG. At this time, the head provided on the head drum 11 is scanned from the side opposite to the side recorded on the track of the magnetic tape 4 by the video camera, and the recorded data is read from the end side of the recording and is recorded at a predetermined recording level. It is recorded on a medium, for example, a hard disk. The editing device 7 has a predetermined format for reading data from the opposite side as described above.

The tape cartridge 1 is then demagnetized from the recorded data and used as a recycle part to be built in another recycle type video camera.

The data recorded on the predetermined recording medium is recorded again on another recording medium, for example, a magnetic tape of a tape cartridge different from the tape cartridge 1, in the order recorded by the video camera. Handed over and played.

As described above, the recording of the data recorded on the tape cartridge 1 by the video camera on the predetermined recording medium is performed in a state where the tape 4 is turned over from the state where the tape cartridge 1 is mounted on the video camera. Since the operation is performed in a direction opposite to the direction in which the video camera is run, there is no need to rewind the magnetic tape 4, and the editing time is shortened, and the editing operation is made more efficient and faster. it can.

Further, since it is not necessary to rewind the magnetic tape 4, there is no possibility that the magnetic tape 4 is damaged by the rewinding.

FIG. 3 shows the tape cartridge 1 inserted in the same direction as the mounting direction of the video camera with respect to the mounting portion of the video camera.
, And a state in which editing work is being performed.
For example, when the tape cartridge 1 is mounted on the mounting portion of the video camera in the first direction, the tape cartridge 1 is also mounted on the mounting portion of the editing device 7 in the first direction.

That is, unlike FIG. 2, the tape cartridge 1 is mounted without being turned over to the editing device 7 from the state of being mounted on the video camera, and the magnetic tape 4 is moved from the tape reel 3 on the winding side to the position shown in FIG. It is moved in the direction B shown in FIG. 3 by the other capstan 12 and pinch roller 13 which are different from the case. The data recorded on the magnetic tape 4 is read from the end of the recording and recorded on a predetermined recording medium, for example, a hard disk. The editing device 7 has a predetermined format for reading data from the end side where the data is recorded as described above.

After that, the tape cartridge 1 is demagnetized from the recorded data, and is used as a recycle part and is incorporated in another recycle type video camera.

The data recorded on the predetermined recording medium is recorded again on another recording medium, for example, a magnetic tape of a tape cartridge different from the tape cartridge 1, in the order recorded by the video camera. Handed over and played.

As described above, the data recorded on the tape cartridge 1 by the video camera is recorded on a predetermined recording medium by running the magnetic tape 4 in the direction opposite to the direction in which the magnetic tape 4 was run by the video camera. Therefore, there is no need to rewind the magnetic tape 4, and the editing time can be shortened, and the editing operation can be made more efficient and faster.

Since the magnetic tape 4 does not need to be rewound, damage to the magnetic tape due to rewound does not occur.

It should be noted that the specific shapes and structures of the respective parts shown in the above-described embodiments are merely examples of the embodiment of the present invention, and the present invention is not limited thereto. Should not be construed as limiting the technical scope of the present invention.

[0033]

As is apparent from the above description, the data reproducing system of the present invention reads data recorded on a magnetic tape from the recorded end and records the data on a predetermined recording medium. The data recorded on the recording medium is reproduced in the order recorded on the magnetic tape.

Therefore, there is no need to rewind the magnetic tape, and the time for recording on a predetermined recording medium can be shortened, and the efficiency and speed of the operation can be increased. Can be shortened.

Further, since it is not necessary to rewind the magnetic tape, there is no possibility that the magnetic tape is damaged by the rewinding.

Further, the data reading system of the present invention may be arranged such that the first magnetic tape driving device has first mounting portions opposite to each other.
A tape cartridge which is mounted in the first mounting direction and data is recorded on the magnetic tape using the tape cartridge which can be mounted in the mounting direction of the magnetic tape drive device in the second mounting direction. It is characterized in that it is mounted on a mounting portion, and the recorded data is read from the recorded end side and recorded on a predetermined recording medium.

Accordingly, there is no need to rewind the magnetic tape, and the time for recording on a predetermined recording medium can be shortened, and the efficiency and speed of the operation can be improved.

Further, since there is no need to rewind the magnetic tape, no damage to the magnetic tape due to rewinding occurs.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a data reproducing system and a data reading system of the present invention together with FIG. 2 and FIG. 3, and FIG. 1 is a schematic enlarged plan view of a tape cartridge.

FIG. 2 is a schematic plan view showing a state in which a tape cartridge is mounted on an editing apparatus in a direction opposite to a mounting direction with respect to a video camera to perform an editing operation.

FIG. 3 is a schematic plan view showing a state in which a tape cartridge is mounted on an editing device in the same direction as a mounting direction with respect to a video camera, and an editing operation is performed.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Tape cartridge, 4 ... Magnetic tape, 7 ... Editing device (Magnetic tape drive)

Claims (2)

[Claims] 1. A method for reading data recorded on a magnetic tape from a recorded end and recording the data on a predetermined recording medium, and reproducing the data recorded on the predetermined recording medium in the order recorded on the magnetic tape. A data reproduction system characterized in that: 2. A magnetic tape mounted in a first mounting direction using a tape cartridge mountable in a first mounting direction and a second mounting direction opposite to each other on a mounting portion of a predetermined magnetic tape driving device. The tape cartridge having data recorded thereon is mounted in the mounting portion of the magnetic tape drive in the second mounting direction, and the recorded data is read from the recorded end and recorded on a predetermined recording medium. A data reading system, characterized in that: