JPH0124782Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a magnetic recording and reproducing device that records and reproduces information using a cartridge containing a recording medium, such as a floppy disk device.

Configuration of conventional example and its problems Figure 1A shows a conventional cartridge storage body, in which 1 is a storage case for storing cartridges;
Reference numeral 2 denotes a protrusion provided on the storage case 1 to prevent incorrect insertion. FIG. 1B is a diagram showing the cartridge. 3 is a cartridge case;
A recordable and reproducible recording medium is rotatably housed in the case 3 of this cartridge. 4
is a window formed in the case 3, and a magnetic head is inserted through this window 4 for recording and reproduction. The case 3 of this cartridge is square as a whole, and a U-shaped groove 5 is formed in a part of the outer periphery of the case 3, and an inclined surface 6 is formed in one corner of the case 3. Figure 1C is the first
This figure shows the cartridge shown in FIG. 1 being stored in the cartridge storage body shown in FIG. A.
When the cartridge case 3 is stored in the storage case 1 as shown in FIG. inserted.

The storage state of the cartridge case 3 and storage case 1 will be explained with reference to FIGS. 2A to 2C. 2A to 2C are views cut along the line aa' of FIG. 1C and viewed from above. FIG. 2A is a sectional view when the cartridge case 3 is stored in the storage case 1 in the correct direction, and the U-shaped groove 5 of the cartridge case 3 is inserted into the protrusion 2 of the storage case 1.

FIG. 2B is a sectional view when the cartridge case 3 is inverted and stored. In this case, the U-shaped groove 5 and the protruding piece 2 do not match, and the front edge of the cartridge case 3 comes into contact with the protruding piece 2, making it impossible to store the cartridge in its proper position.

Further, FIG. 2C is a sectional view of the cartridge when the case 3 of the cartridge is stored with the front and back of the case 3 in the insertion direction incorrectly aligned. In this case, the U-shaped groove 5 and the protruding piece 2 do not match, and the rear end edge of the cartridge case 3 comes into contact with the protruding piece 2, making it impossible to store the cartridge in its proper position.

Next, a cartridge having an auto-shutter mechanism will be explained with reference to FIGS. 3A and 3B. FIG. 3A shows the state of the cartridge equipped with an autoshutter before it is inserted into the storage case. Reference numeral 7 denotes an auto shutter, which is slidably supported by the case 3 of the cartridge, and a groove 8 is formed in the auto shutter 7. Normally, the auto shutter 7 is biased in the direction of arrow b by a spring 10. In this case, the hole 9 of the auto shutter and the window 4 of the cartridge case 3 itself do not match, so
The recording medium built into the cartridge case 3 is hidden by the auto shutter 7. Therefore, this recording medium is protected by the auto shutter 7. Figure 3B shows the auto shutter 7
FIG. 3 is a diagram showing that a force in the c direction is applied to the groove 8 of the auto shutter and the auto shutter moves. Here, hole 9 of auto shutter 7 and cartridge case 3
When the window 4 of the cartridge is aligned with the cartridge itself, information can be recorded and reproduced on the recording medium built in the case 3 of the cartridge.

FIG. 4 shows a storage body for storing a cartridge with an automatic shutter, FIG. 4A is a front view of the storage body, and FIG. 4B is a sectional view taken along line d-d'. In FIGS. 4A and 4B, 11 is a storage case, and 12 is an arm. This arm 12 rotates about a center point 13, and is normally biased counterclockwise by a spring 14.

FIG. 5 is a diagram showing the process of inserting the cartridge case 3 into the storage case 11. Fifth
Figure A shows a cross-sectional view of the beginning of the contact of the arm 12 with the case 3 of the cartridge, the arm 12 engaging in the groove 8 of the autoshutter 7 of the case 3 of the cartridge. When the cartridge case 3 is further inserted into the storage case 11, the arm 12 rotates clockwise against the bias of the spring 14, causing the auto shutter 7 to slide. When the cartridge case 3 is completely stored in the storage case 11, it will look as shown in Figure 5B, and the hole 9 of the auto shutter 7 will match the window 4 of the cartridge case 3, making it possible to record on and play back from the recording medium. It is what it is.

However, when a cartridge equipped with an autoshutter as shown in FIG. 3 is inserted into a conventional magnetic recording/reproducing apparatus as shown in FIG. This conventional magnetic recording/reproducing device cannot be used because the magnetic disk cannot be stored in the correct position.

As described above, conventional magnetic recording and reproducing devices have the following drawbacks.

(1) In the conventional magnetic recording/reproducing device as shown in Fig. 1, there is a U on the front edge of the cartridge to prevent incorrect insertion.
Cartridges without grooves cannot be used.

(2) When using a cartridge with an auto-shutter in the conventional magnetic recording/reproducing device shown in Figure 1, it is possible to prevent incorrect insertion by aligning the U-shaped groove of the auto-shutter with the protrusion. It is possible, but the shutter cannot be opened or closed.

(3) As shown in Figure 1, in a conventional magnetic recording/reproducing device in which the protrusion is placed toward the back of the storage case, the device user must insert the cartridge all the way into the storage case to determine if it has been inserted incorrectly. Can not do it.

(4) When using a cartridge with an auto shutter in the storage case shown in Figure 4, even if the position of the U-shaped groove of the auto shutter matches the position of the tip of the rotating arm of the storage case. However, the rotating arm rotates whether the insertion is normal or incorrect, and it is impossible to determine whether the insertion is incorrect or normal.

Purpose of the invention The present invention eliminates the above-mentioned conventional problems. It can clearly detect incorrect insertion without any special measures to prevent incorrect insertion of the cartridge, and it can also be used with cartridges equipped with an automatic shutter. The purpose of this invention is to provide a magnetic recording/reproducing device that can perform the following steps.

Structure of the invention The present invention utilizes the sloped surface at one corner of the rectangle formed in any type of cartridge, so that when the cartridge is inserted normally,
This is intended to prevent erroneous insertion of the cartridge by pushing aside a pin that is biased against the storage case and inserting the cartridge, and in case of erroneous insertion, the pin prevents the cartridge from being inserted halfway.

DESCRIPTION OF EMBODIMENTS The configuration of an embodiment of the present invention will be described below with reference to the drawings. FIG. 6 shows a perspective view of a magnetic recording/reproducing apparatus according to an embodiment of the present invention.
In FIG. 6, reference numeral 15 denotes a storage case for the cartridges of the same device, and this storage case 15 has an overall rectangular external shape, and includes an upper plate 16 and a right side surface 17 provided perpendicularly to the upper plate 16. , top plate 16
a left side plate 18 provided perpendicularly to the left side plate 18 and a lower right plate 19 provided parallel to the upper plate 16 at the other end of the right side plate 17.
and a lower left plate 20 provided at the other end of the left side plate 18 in parallel with the upper plate 16 are integrally formed. The upper plate 16, the right side plate 17, and the lower right plate 19 have U
A U-shaped groove 21 is formed, and the pin 23 is inserted into this U-shaped groove 21.
The cartridge can be moved inside perpendicularly to the direction in which the cartridge is inserted. 22 is a protrusion provided on the upper plate 16. 24 is a spring, and this spring 24 connects the protrusion 22 and the pin 23, and connects the pin 23 to the protrusion 2.
It biases in two directions. In addition, this pin 2
3 is normally located inside the device by the right side 17.

Next, the operation of the above embodiment will be explained. 7th
Figure A is a right side view of Figure 6, and ee' indicates the cutting line. FIG. 7B shows the cartridge case 3 having a rectangular corner with an inclined surface 6 starting to be inserted into the storage case 15 in the correct direction. As shown in FIG. 7B, the case 3 of the cartridge is formed with an inclined surface at the right corner facing the insertion direction, so when the inclined surface 6 and the pin 23 come into contact, The force pushes this pin 23 toward the outside of the storage case 15. When the cartridge case 3 is removed from the storage case 15, the pin 23 is attached to the spring 24.
7B, the pin 23 comes to the inside of the right side plate 17 of the storage case 15 as shown in FIG. 7B.

FIG. 7D is a sectional view when the case 3 of the cartridge is inserted in the wrong direction. In this case, since there is no inclined surface 6 at the corner of the cartridge, the pin 23 does not generate any force directed outward from the storage case 15, so that the pin 23 prevents the cartridge from being inserted into the case 3.

The device of this embodiment can similarly prevent erroneous insertion when inserting the auto shutter 7 shown in FIG.

In this way, according to this embodiment, the sloped surface at one corner of all cartridges, such as cartridges without a U-shaped groove for preventing incorrect insertion and cartridges with an auto shutter, is used to prevent incorrect insertion. It can be prevented.

Effects of the invention The present invention has the above-mentioned configuration, and according to the invention, the following effects can be obtained.

(1) The sloped surface at one corner of all cartridges is used to prevent incorrect insertion.
Misinsertion of the cartridge can be prevented without providing a groove for preventing incorrect insertion of the cartridge.

(2) For the same reason as (1), incorrect insertion of a cartridge with an auto shutter can also be prevented.

(3) Since the pin of the storage case is provided near the entrance, incorrect insertion can be detected immediately after the cartridge is inserted.

[Brief explanation of the drawing]

FIG. 1A is a front view of the main parts of a conventional magnetic recording and reproducing device, FIG. 1B is a top view of a conventional cartridge used in the conventional magnetic recording and reproducing device, and FIG. 1C is a conventional magnetic recording and reproducing device. 2A to 2C are cross-sectional views showing the insertion state of the cartridge in FIG. 1, and FIGS. 3A and 3B are top views of the cartridge with an autoshutter. , Figures 4A and 4B are front views and dd' sectional views of a conventional storage case that stores cartridges with autoshutters, and Figures 5A and 5B are sectional views showing the inserted state of cartridges with automatic shutters. 6 is a perspective view of a main part of a magnetic recording/reproducing device according to an embodiment of the present invention, and FIGS. 7A to 7D are sectional views showing a state in which a cartridge is inserted into the device. 3...Cartridge case, 7...Auto shutter, 12...Arm, 15...Storage case, 21...
U-shaped groove, 22... protrusion, 23... pin, 24... spring.

Claims (1)

[Scope of utility model registration request] A cartridge rotatably containing a recordable/playable recording medium in a rectangular case having an inclined surface at one corner, a storage case into which the cartridge is inserted, and a groove provided on the side surface near the entrance of the storage case. and a pin slidably held in the groove perpendicular to the insertion direction of the cartridge, and a magnetic body comprising an elastic body such as a spring that urges the pin toward the center of the storage case. Recording and playback device.