JPH029051A - Magnetic recording and reproducing device - Google Patents

Abstract

PURPOSE:To enable the magnetic recording and reproducing with good operability by inserting simultaneously two cassettes and recording or reproducing them continuously. CONSTITUTION:A 1st turning arm 23 is turned counterclockwise around a 1st driving shaft 25 to push a lever switch 27 in a position as shown with a chain line to be stopped in standby position. Then, the 1st turning arm 23 is turned counterclockwise by the 1st driving shaft 25, so that a 1st cassette holder 16 housed with the 1st cassette 18 is moved along L-shaped guide grooves 22a and 22b from the standby position as shown with the chain line to a position as shown with a broken line to be load into a tape driving device. Under this condition, the cassette 18 is recorded or reproduced. Then, on completion of recording or reproducing the cassette 18, the holder 16 is moved from the broken lined position to a continuous lined position without stopping in the standby position as opposed to the operation hitherto performed, so that the cassette 18 can be taken out of a 1st inserting hole 14.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a magnetic recording and reproducing apparatus that uses magnetic tape as a recording medium.

(Conventional technology) As a conventional technique, for example, Machine Design, Vol. 28.

12 (November 1984 issue), page 140, there is a magnetic recording and reproducing apparatus equipped with a front-loading type cassette loading device.

This type of conventional magnetic recording/reproducing device will be explained with reference to FIG.

This figure is a side view of a main part of a front-loading type cassette loading device included in a magnetic recording and reproducing device. A cassette insertion slot 1 is provided on the front side of the magnetic recording/reproducing device.

The cassette loading device has the above cassette insertion slot I.
The tape drive device (
(not shown), an L-shaped rack 3b is formed on the side plate 3a, and the cassette holder 3 has two guide rollers 3c and 3d implanted therein, and the above-mentioned guide rollers 3c and 3d. a vertical support plate 4 provided with L-shaped guide grooves 4a and 4b into which the racks 3 are fitted;
and a reduction gear that drives a small gear 5 that meshes with the gear 5.

Note that a guide groove 4c into which a guide roller (not shown) fits is formed in the rear vertical support plate.

The speed reduction device described above is composed of a worm wheel 8 that is directly connected to the rotating shaft of a vertical electric motor 6 and meshes with a worm 7, and a large gear 10 that meshes with a small gear 9 formed integrally with the worm wheel 8. The large gear 10 successively meshes with the small gear 5 through the two idle gears 11 and 12, and transmits the rotational force of the vertical motor 60 to the small gear 5 that meshes with the L-shaped rack 3b of the cassette holder 3.

The operation of the conventional cassette loading device configured as described above will be explained.

First, the cassette 2 is inserted into the cassette holder 3 at position A in FIG. 4 through the cassette insertion opening 1. Next, the vertical electric motor 6 rotates, and the rotation is caused by the worm wheel 8. The signal is transmitted from the small gear 9 to the J1 gear 5 via the large gear 10 and two idle gears 11 and 12. Since this pinion 5 meshes with an L-shaped rack 3b formed on the side plate 3a of the cassette holder 3, the rotation of the pinion 5 causes the cassette holder 3 to move between the guide grooves 4a and 4b.
and 4c to move to position B shown in the figure, and mount the tape 1 drive device (not shown) and cassette 2.

When the cassette 2 is to be removed from the magnetic recording/reproducing apparatus, the vertical motor 6 is rotated in the opposite direction, and the cassette 2 is removed by performing a reverse operation to that described above.

(Problems to be Solved by the Invention) However, with the above configuration, only one cassette 2 can be inserted into the magnetic recording/reproducing apparatus.

When recording or playing back on two cassettes consecutively,
There was a problem in that the cassette 2 had to be replaced, and this work was time consuming and troublesome.

The present invention solves the above-mentioned problems. Two cassettes can be inserted into a magnetic recording/reproducing device at the same time, recording or reproducing can be performed continuously, and both cassettes can be completely magnetically recorded. The present invention provides a magnetic recording and reproducing device that can be housed within a reproducing device.

(Means for Solving the Problems) In order to solve the above problems, the present invention provides a first insertion port into which a first cassette is inserted, a second insertion port into which a second cassette is inserted, and a first insertion port into which a second cassette is inserted. the first of the inserted first cassette
a first moving device that moves the second cassette inserted from the second insertion slot to the second position from the third position to the second position where the second cassette is inserted from the second insertion slot; It consists of a mobile device.

(Function) With the above configuration, two cassettes can be inserted into the magnetic recording/reproducing device at the same time, and since there is an independent transfer device for loading each cassette into the tape drive device,
One recording or playback can be performed continuously on two cassettes, and there is no need to exchange cassettes. Therefore, in advance 2
If a book cassette 1- is inserted, recording or playback is automatically performed continuously, greatly improving operability.

(Example) An example of the present invention will be described with reference to FIGS. 1 to 3.

FIG. 1 is a perspective view of a magnetic recording and reproducing apparatus according to the present invention, and FIG.
3 and 3 are a side view and a plan view of a main part of a cassette loading device according to the present invention.

In FIG. 1, the magnetic recording/reproducing device has a front panel 13.
A first insertion port 14 and a second insertion port 15 are provided. In FIG. 2, the first
and a first one inside the second insertion openings 14 and 15, respectively.
A cassette holder I6 and a second cassette holder 17 are arranged to accommodate and hold a first cassette 18 inserted from the first insertion port 14 and a second cassette 1-19 inserted from the second insertion port 15, respectively.

On the other hand, the tape drive device includes a head cylinder 21 arranged on a base 20 that records on or plays back a magnetic tape (not shown), a capstan (not shown) that sends the magnetic tape at a constant speed, and a winding unit for the magnetic tape. A pick-up device (not shown) is arranged. A pair of vertical support plates 22 are fixed on both sides of the base 20, and include L-shaped guide grooves 22a and 22b for the cassette holder 16, and L-shaped guide grooves 22c and 22b for the second cassette holder 17. 22d is formed. Two guide pins 16a, 16b and 17a, 17b are implanted on the side plates of the first cassette holder 16 and the second cassette holder 17, respectively, on the negative side, and L-shaped guide grooves 22a, 22b and 22c, respectively. ,
22d. In addition, the first cassette holder 1
The guide pin 16a of No. 6 is connected to the drive groove 23 of the first rotating arm 23.
a, ``Also, the guide pin 17 of the second cassette holder 17
a are engaged with drive grooves 24a of the second rotating arm 24, respectively.

The first and second cassette holders 16 and 17 are connected to first and second drive shafts 25 and 26 to which first and second rotation arms 23 and 24 are respectively fixed.
Due to the rotation of the L-shaped guide grooves 22a, 22b and 22
c and 22d, respectively. Vertical support plate 22
The lever switch 27 installed at the upper end of the.

This detects that the first cassette holder 16 has moved to the standby position, and the first cassette holder 16 has moved to the left in FIG. It is placed in a position where it is housed within the device.

In FIG. 3, the first pivot arm 23 for sliding the first cassette holder 16 is located outside the vertical support plate 22, and
The second rotating arm 2 that slides the second cassette holder 17
4 are arranged inside the vertical support plate 22, respectively.

The operation of the cassette loading device configured as above will be explained.

In FIG. 2, two first and second cassettes 18 and 19 are inserted from the first insertion port 14 and the second insertion port 15, respectively, into the position shown by the solid line and the position shown by the two-dot chain line. The first rotating arm 23 rotates counterclockwise around the first drive shaft 25, presses the lever switch 27 at the position indicated by the - dotted chain line, and stops at the standby position.

Next, the second rotating arm 24 is rotated counterclockwise by the second drive shaft 26 to move the second cassette holder 17 containing the second cassette 19 from the position shown by the two-dot chain line to the position shown by the broken line. It moves along the L-shaped guide grooves 22c and 22d and is attached to the tape drive device.

In this state, recording or reproduction of the first cassette 19 is performed.

When the recording or playback of the second cassette 1-19 is completed, the second rotating arm 24 rotates clockwise from the position shown by the dashed line to the position shown by the two-dot chain line by an operation opposite to the above-mentioned operation. As a result, the second cassette holder 17 accommodating the second cassette 19 moves from the position indicated by the broken line to the position indicated by the two-dot chain line, so that the second cassette 19 is inserted into the second insertion slot 15.
Take it out.

Next, the first rotating arm 23 is rotated counterclockwise by the first drive shaft 25, and the first cassette holder 16 that accommodates the first cassette 18 is moved from the standby position indicated by the dashed line described above to the standby position indicated by the dashed line. L-shaped guide grooves 22a and 22b to the position shown.
and attach it to the tape drive. In this state, recording or reproduction of the first cassette 18 is performed.

Next, when recording or playback of the first cassette 18 is completed, the first cassette holder 16 moves from the position indicated by the broken line to the position indicated by the solid line by an operation opposite to that described above without remaining in the standby position. Insert the first cassette 18 into the first insertion slot 1
It can be extracted from 4.

Note that in this embodiment, the first and second cassette holders 1
Although the movements of 6 and 17 are performed by the first and second rotating arms 23 and z4, the present invention is not limited thereto.

Insert the second cassette 19 first, then insert the first cassette 1-
18, the first cassette 18 is pulled in to the standby position where the lever switch 27 operates, and then the first cassette 18 is inserted into the tape drive after recording or playback of the second cassette 19 is finished. 1st and 2nd
The control circuit for controlling the rotating arms 23 and 24 can be made of a very simple known control circuit, and therefore its explanation will be omitted.

Furthermore, as can be seen from the above description, the second and first cassettes 19 and 18, which have been recorded or played back, are sequentially partially inserted into the second and first insertion slots 15 and 14, as shown in FIG. Since it is taken outside, it is easy to visually determine when recording or playback has finished.

(Effects of the Invention) As explained above, according to the present invention, two cassettes can be inserted at the same time and recorded or played back consecutively, resulting in improved operability without the trouble of changing cassettes midway. A good magnetic recording/reproducing device can be obtained.

In addition, when inserting a cassette, two cassettes are housed in the device, and a part of the cassette is exposed from the insertion slot in the order in which recording or playback is completed to signal the end of the work, making the magnetic recording and reproducing device easy to handle. .

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the external appearance of a magnetic recording/reproducing device according to the present invention, FIGS. 2 and 3 are a side view and a plan view of a main part of the cassette loading device, and FIG. 4 is a diagram of a conventional magnetic recording/reproducing device. FIG. 2 is a side view of main parts of the cassette loading device. 1...When inserting a cassette, 2...Cassette. ;3...Cassette 1 to holder, 3a...side plate, 3
b... L-shaped rack, 3c, 3d... Guide roller, 4, 22.=Vertical support plate, 4a, 4b,
4c. 22a, 22b, 22c, 22d - L-shaped guide groove, 5.9... Small gear, 6... Vertical electric motor, 7... Worm, 8... Worm wheel,
10...Large gear, 11.12...Idle gear, 1
3...Front panel, 14...First insertion slot, 15...
-Second insertion port, 16...first cassette holder, 17
...Second cassette holder, 18...First cassette, 19...Second cassette, 20...Base. 21... Head cylinder, 23... First rotating arm,
23a, 24a... Drive groove, 24... Second rotation arm, 25... First drive shaft, 26... Second drive shaft,
27... Lever switch. Figure 1

Claims (1)

[Claims] a first insertion slot into which the first cassette is inserted; a second insertion slot into which the second cassette is inserted; a tape drive device which sequentially drives the magnetic tapes stored in the first and second cassettes; a first moving device that moves the first cassette from a first position where the first cassette is inserted through the first insertion port to a second position where the second cassette is mounted on the tape drive device via a standby position; The 3rd one inserted from the 2nd insertion port
a second moving device for moving the first cassette from the first position to the second position to be attached to the tape drive device; and a second moving device for moving the first cassette from the first position to the standby position; After moving and loading the second cassette from the third position to the second position, and returning the second cassette after recording or playback from the second position to the third position of the second insertion slot, Move the cassette to the second position and install it, and then move the first cassette that has finished recording or playing back to the second position.
1. A magnetic recording and reproducing device comprising a control circuit for returning the position from the position to the first position of the first insertion port.