JPS60212890A - Cassette type magnetic bubble memory device - Google Patents

Abstract

PURPOSE:To prevent a cassette type magnetic bubble memory device from malfunction with a simple constitution by generating ON and OFF signals through a douser according with a slider interlocking with the opening/closing of a lid. CONSTITUTION:When a cassette is inserted incompletely and the lid 10 of a cassette insertion port is not closed, the slider 45 to be locked by a projection 10b of the lid 10 is slided, a lever 48 is oscillated by a pin 46 and the ON/OFF state of an electric signal from a photosensor 39 is switched through the douser 47 fitted to the leading end of the lever 48. Therefore, power is not supplied to the cassette type magnetic bubble memory device until the cassette is completely loaded and the lid 10 is completely closed, so that the memory device is prevented from malfunction with a simple constitution.

Description

[Detailed Description of the Invention] tal Technical Field of the Invention Does the present invention control magnetic bubbles? 11, a magnetic bubble device for storing and transferring information is configured as a removable cassette, and this magnetic bubble cassette (hereinafter referred to as cassette) is inserted into the cassette via a connector.

The present invention relates to a cassette-type magnetic bubble memory device that is attached to a holder (hereinafter abbreviated as holder).

Background of Technique +41 Recently, EfJ bubble devices have been rubbed with a cassette configuration, but in such a cassette-type magnetic bubble memory device, for example, a signal indicating completion of preparation for cassette extraction or a signal indicating completion of cassette insertion is transmitted. If the cassette is not output reliably and in a timely manner, the stored information in the cassette may be destroyed due to the cassette being removed from the operating state or being energized at an insufficiently connected portion.

To this end, countermeasures have been taken, such as providing a lid large enough to close the cassette insertion port of the cassette storage chamber and generating an electrical signal by detecting the open/closed state of the lid, but these measures are not always sufficient.

fc) Prior Art and Problems First, a conventional cassette type magnetic bubble memory device will be explained. FIGS. 1 and 2 are perspective views of the cassette, with FIG. 1 showing the lid closed and FIG. 2 showing the lid open. The magnetic bubble device is housed inside an upper cover 18 and a lower cover 1b, and is provided with a rotatable lid 2 on the front, and when the lid 2 is opened, a connector 3 is exposed as shown in FIG.

Two relief grooves 8 are formed in parallel on the earthen wall of the cassette.
Two claws 9 of the lid 2 are rotatably inserted and supported at the tip thereof, and the lid 2 is normally closed by the spring force of a torsion spring (not shown).

Figure 3 and the following are examples of the holder, the third being a plan view, Figure 4 being a left side view, Figure 5 being a right side view, Figure 6 being a front view of the holder with the lid open, and Figure 7 being a front view of the holder. FIG. 8 is a partially cutaway right side view, and FIG. 9 is a bottom view.

The holder is provided with a lid 10 on the front, and its support shaft 11 is attached to the upper end of the holder as shown in FIGS. 4, 5, and 8. A toggle bar 212 for the lid is attached between the lid lO and the holder as shown in FIG. 7, and when the lid 10 is closed, the toggle bar 12 biases the lid 10 in the closing direction. When the lid 10 is opened by hooking a finger on the handle 13, the toggle spring 12 passes through the support shaft 11 and moves rearward, thereby biasing the lid 10 in the opening direction.

When the lid 10 is opened as shown in FIG. 6, a cassette storage chamber 14 is exposed. This storage chamber 14 is as shown in FIG. 7 when viewed from the side, and a connector 16 is fixed to the holder main body 15 at the innermost part. The cassette C is inserted into this storage chamber 14 with the lid 10 open, and the internal connector 16
and the connector 3 of the cassette C are connected. The lid 2 of the cassette is normally closed, but two protrusions 18 are provided on the inner surface of the ceiling plate 17 of the storage chamber 14 in the insertion direction of the cassette, so that when the cassette is inserted into the storage chamber 14. The claw 9 of the cassette C hits the protrusion 18 and is pushed down, and the connectors 16 and 3 are opened just before they are connected.

Insertion of the cassette is performed by manually pushing the cassette into the storage chamber 14, and ejection is performed by pressing the eject button 20. A slider 22 is stacked on the inner surface of the bottom plate 21 of the storage chamber 14, and an abutment plate 23 that stands up vertically is integrally provided at the end of the slider 22 on the connector side. When the cassette is inserted, the cassette C is placed on this slider 22. As shown in FIGS. 7 and 9, a slot 24 is formed in the bottom plate 21 in the direction of insertion of the cassette, and two rollers 25.2 attached to the slider 22 are inserted into the slot 24.
6 are inserted at intervals.

On the other hand, as shown in FIGS. 8 and 9, the bottom plate 21 is provided with a slit 27 parallel to the slit 24 in the forward and backward movement direction of the eject button 20, and therein two slits 27 attached to the eject button shaft 28. rollers 29 and 30 are inserted. Further, a lever 32 is rotatably attached to the bottom plate 21 with a support shaft 31, one end 32a of the lever is sandwiched between rollers 29 and 30 of the eject button shaft, and the other end 32a is sandwiched between rollers 29 and 30 of the eject button shaft.
b is located between the slider side rollers 25 and 26. The lever 32 is moved by the return spring 33 and the roller 29.3.
0 and the eject button 20 is biased toward the return side. A discharge spring 35 consisting of a torsion spring is attached between a pin 34 implanted in a portion of the slider 22 exposed in the slit 24 and a pin 36 implanted in the bottom plate 21, and the slider 22 is attached in the cassette ejection direction. It is now possible to

That is, the illustrated state is a state in which the slider 22 has moved to the end of the stroke on the inner deep side, and when the eject button 20 is operated, the slider 22 retreats by the stroke St to the position shown by the chain line by the spring force of the ejection spring 35, and the ejection spring 35 is also in the state shown by the chain line.

When the cassette is inserted into the storage chamber 14, the front end of the cassette comes into contact with the opposite side 23 of the slider 22. Slider 22
The spring force of the discharge spring 35 is acting on the slider 22. When pushed against this spring force, the slider 22 moves forward together with the cassette from the position indicated by the chain line in FIG. 9, and returns to the state shown by the solid line in FIGS. Become. At this time, when the pin 34 of the ejection spring 35 passes through the fixing pin 36 of the ejection spring 35 on the bottom plate 21, a snap action is activated, generating a force that urges the slider 22 toward the connector 16, and the cassette is installed. It's easy to do. Since the lever 32 is biased by the return spring 33, it is positioned in the direction in which the eject button 20 is returned unless the eject button 20 is pushed in.

In order to take out the case/) mounted in the storage chamber 14 in this way, press the eject button 2 against the return spring 33.
Just press 0. Then, the right end 32a of the lever moves downward from the state of FIG. At this time, when the pin 34 of the ejection spring 35 moves from the position indicated by the 9th solid line and the ejection spring attachment passes the pin 36, the slider 22 and the cassette above it are ejected to the cassette insertion port 14i by the snap action of the ejection spring. Ru.

The eject button 20 is disposed adjacent to the cassette insertion slot 14i, and the lid 10 is large enough to hide both the cassette insertion slot 141 and the eject button 20.
is provided in the cassette insertion slot 14i, so that the lid 10 must be opened when inserting or removing the cassette C or when operating the eject button 20. As shown in FIG. Operation pin 37 on the opposite side of the lid lO
In addition, a lever 38 having a light-shielding plate at one end and signal generating means such as a photosensor 39 consisting of a light emitting diode and a phototransistor are attached to the holder body 15. When the lid is opened, the operating pin 37 moves to the lever 38. is pressed to lift the light shielding plate interposed between the light emitting diode of the photosensor 39 and the phototransistor, and a signal indicating that the lid 10 is opened is generated and notified to the control section.

Figure 1O is a schematic left side view showing the state in which the cassette C is inserted into the cassette storage chamber. Figure 10(a) shows the state in which the cassette is not fully inserted, and No. 107 tb+ shows the state in which the cassette is inserted securely. It is in a state of being When the cassette C is securely inserted as shown in Figure 10+b+, the
The hook 3 is securely connected to the connector 16 on the holder side, and the roller 41 of the lever 40 is fitted into the recess 7 provided at the bottom of the cassette. However, if the cassette is not inserted securely and a gap G is created between the cassette C and the connector 16 as shown in FIG. . The lever 40 is attached to the holder body with a support shaft 42, and the roller 41 is attached to one end of the lever 40, and the I
It extends near the bottom end of FIO. And twist hafu 44
The roller 41 is urged in the direction of fitting into the recess 7. On the other hand, the lid 10 is provided with a protrusion 10a that comes into contact with the other end 43 of the lever when the cassette is not inserted securely and the roller 41 cannot fit into the recess 7 as shown in FIG. 10 ta+. When the cassette is securely inserted and the roller 41 fits into the recess 7 as shown in FIG.
0 can be closed without being obstructed by the other end 43 of the lever. However, the cassette was not fully inserted and the roller 41 was stuck in the recess 7.
If it cannot be inserted into the lid 1, the other end of the lever 43 will rise and the lid 1 will
0, the lid 10 cannot be reliably closed.

However, even if the lid 10 is not closed securely, if the lever 38 pressed by the operating pin 37 is restored and the signal indicating that the lid 10 is opened stops, the control unit mistakenly recognizes this as the completion of loading the cassette. There is a risk that the device may start writing or reading information.

+d+ OBJECT OF THE INVENTION An object of the present invention is to make it possible to prevent erroneous operations caused by using a cassette type magnetic bubble memory device with a simple structure.

(e) Structure and purpose of the invention is to incorporate a magnetic bubble device consisting of a magnetic hub chip, a drive coil, a bias magnet, etc. in an insulating case, and to connect a 6ff bubble cassette equipped with a connector with the connector. an eject mechanism for holding and ejecting the magnetic hub cassette/) from the cassette storage chamber of the cassette holder, and an eject button for operating the ejection mechanism; In the cassette type magnetic hub memory H'll, which has a lid on the front of the cassette insertion slot and detects the open/closed state of the lid and generates an electric signal, there is a slider that slides as the lid opens and closes, and a light shielding plate at one end. This is achieved by providing a lever that has a plate and is operated by the slider, and a photosensor that is turned on and off by the movement of the AHA light plate.

(fl Embodiment of the Invention If the cassette C is inadvertently ejected while it is in operation, the information in the magnetic bubble memory may be destroyed. Therefore, before ejecting the cassette, If you stop the read/write operation, and after the cassette C is inserted to the specified position and the cassette and holder are securely connected via the screws, the read/write operation of the information in the magnetic bubble memory is not started. There is a risk that the information in the bubble memory may be destroyed.The present invention provides a malfunction prevention mechanism in the mechanism that detects the open/closed state of the lid, and prevents the destruction of information in the magnetic bubble memory due to such malfunction. The present invention will be explained in detail with reference to the drawings.

11 and 12 show an embodiment of the erroneous operation prevention mechanism according to the present invention. FIG. 11 shows a state in which the lid 10 is closed, and FIG. 12 shows a state in which the lid 10 is open. al is a left side view, (bl is a plan view).

In the figure, a protrusion 10b is provided on the lid lO, and the protrusion 10
A slider 45 is slidably held by the holder body 15 at a position facing b, and a light shielding plate is provided at one end of the slider 45 that engages with a pin 46 formed at one end and rotates about a shaft 50. Reno\-48 with 47 is provided. The slider 45 is always urged in the direction of moving toward the front of the holder body 15 by the twisting huff 49, and when the lid 10 is closed as shown in FIG.
The light shielding plate 47 provided at one end of the lever 48 is inserted between the light emitting diode of the photosensor 39 and the phototransistor, but when the lid lO is opened as shown in FIG. The slider 45 moves toward the front of the holder body 15, and the bin 46 operates the lever 48 to remove the light shielding plate 47 at one end of the lens 48 from between the light emitting diode and the phototransistor, and the lid 10
The control unit is configured to generate a signal indicating that the opening has occurred and notify the control unit.

Such an erroneous operation prevention mechanism prevents the lid 10 from opening even slightly.
generates a signal indicating that the cassette C is open, and maintains this state until the cassette is inserted securely and the roller 41 fits into the recess 7, as shown in FIG. 10tb). It is possible to prevent erroneous operations such as being inadvertently ejected into the magnetic bubble memory or starting read/write operations of information in the magnetic bubble memory before the cassette C is inserted to a predetermined position.

tgl Effects of the Invention As described above, according to the present invention, the lid can be opened and closed! Since the device is equipped with means for detecting B and generating electricity No. 18, when ejecting the cassette, the lid is opened in advance and the detection signal is notified to the control unit (2) The operation of the air bubble device is stopped. Also, if the cassette is not inserted into the specified position (
Since the operation of the n-air bubble device is not started, it is possible to prevent the contents of the magnetic bubble memory from being destroyed due to an accident when the cassette is attached or detached.

[Brief explanation of the drawing]

Figures 1 and 2 are perspective views of the cassette, Figures 3 and below are examples of the holder, Figure 3 is a plan view, Figure 4 is a left side view,
Figure 5 is a right side view, Figure 6 is a front view with the holder lid open, Figures 7 and 8 are partially broken right side M, Figure 9 is a bottom view, and 1st OL71 is a cassette storage chamber. A schematic diagram showing the state in which the cassette C is inserted into the cassette C. FIG. Example 11
The figure shows the lid closed, and FIG. 12 shows the lid open. In the figure, C is a cassette, 7 is a recess of the cassette, 10 is a lid, 10a and ]Ob are projections provided on the lid, 15 is a holder body, 39 is a photosensor, 45 is a slider, 46:
A bottle 47 is a light shielding plate formed at one end of the slider.
48 is a lever, 49 is a twister Z, and 50 is a shaft. Rod, 'Figure 4 Grass 2 Figure), r Cn U C・'4 S-k / Fu, small 1 1 寥77 /3 π Wa?・-23 2,"3.' 32? ?'727 Kusa 3 figure no t horn '6'n grass/Zf:EJ rbr

Claims (1)

[Claims] A 6N bubble device consisting of a magnetic bubble chip, a drive coil, a bias magnet, etc. is built into an insulating case, and a magnetic bubble cassette equipped with a connector is held in a connected state, and the magnetic bubble cassette is held in a cassette holder. It is equipped with an eject mechanism for ejecting the cassette from the cassette storage chamber and an eject button for operating the eject mechanism, and the cassette 7) cassette in the storage chamber
In a cassette type magnetic bubble memory device, a lid large enough to close the insertion slot is provided on the front surface of the cassette insertion slot, and an electric signal is generated by detecting the open/closed state of the lid.
A cassette type magnetic bubble memory device comprising a slider that slides as the lid is opened and closed, a lever that has a light shielding plate at one end and is actuated by the slider, and a photosensor that is turned on and off by the movement of the light shielding plate. .