JPS59165284A - Electronic device - Google Patents

Abstract

PURPOSE:To prevent contents of a memory card from being destroyed because of unstable contact at the attaching and detaching of the memory card by designing the electronic device that the memory card is attached and detached after the power supply to the electronic device is turned off completely in the electronic device where the memory card is attached and detached freely. CONSTITUTION:In Fig. (a), the memory card is held and a switch projection 22 presses a leaf contact piece 25, through which the power supply is applied. In removing the card, when a knob 15 is slided along a frame 16, then the state as shown in Fig. (b) is obtained, a projection 12 keeps engagement with a convexed part 11 of a cover as before and the card 9 is held to the main body 1. A slide piece 20 and a switch projection 23 are slided by the knob 15 into a slide frame 17, then the leaf contact 25 is detached from a contact piece 26 by its own elasticity so as to turn off the power supply. In sliding the knob 15 along a slot 16 in the lengthwise direction of a storage section 3 from this state, the slide frame 17 is parted from the storge section 13 together with the slide piece 20, the projection 17a is also moved and not projected in the storage section 3. Then, the card and the card cover are removed from the main body 1. In case of the mounting, the procedures are converse as those mentioned above.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to electronic equipment, and more particularly to electronic equipment that has a program function and can be removably attached to a memory card as an external storage device that supplies programs or data from the outside. It is related to

PRIOR ART Conventionally, electronic calculators, etc. having a program V-1 gram function
Electronic devices are designed to expand the functions of the electronic device by attaching a memory card that stores predetermined programs or data to the device as necessary. This is extremely useful as it allows the user of the electronic device to avoid the troublesome operations of creating complex programs and inputting data by operating keys provided on the electronic device itself.

By the way, as a means of inserting a memory card into an electronic device and sending and receiving stored programs and data,
A method of obtaining electrical connection by providing a plurality of connection patterns on the surface of a memory card and press-contacting the connection patterns to a pressure-contact type connector having a plurality of contacts provided in advance on the main body of an electronic device. has been adopted. However, if you insert or remove the memory card into the device while the power is on, the press-contact connector will act as a spring and the memory card will flip up, resulting in multiple instantaneous fishing operations (compromised or illegal). By causing contact instability such as reversing the contact, there is a risk of destroying the program or take recorded in the memory card, or even destroying the arithmetic circuit within the device itself. In the case of many electronic devices, a power switch is provided in conjunction with the operation of inserting and removing a memory card.

1 to 3 show an example of a conventional memory card attachment/detachment groove of this type of electronic equipment.

In FIGS. 1 and 2, 1 (a main body of a key electronic device) has a concave storage section 3 formed in a part thereof for storing a memory card 2 in the form of a flat housing. A press-contact type connector 5 having a plurality of contact pieces 4 is provided on the bottom surface of the storage portion 3, and is attached so that the contact pieces 4 protrude slightly from the bottom surface of the storage portion 3.

In addition, two rectangular holes 6 are provided on the side surface opposite to the press-contact type connector 5 in the longitudinal direction of the storage section 3, and a lock lever for locking a power switch and a memory card is provided on the main body 1 on the side facing the holes. A switch which also serves as a - is housed inside, and its slide knob 7 protrudes from a hole 1a made in the main body 1. In FIGS. 1 and 2, reference numeral 2 is a memory card that forms a housing, and on one side, a plurality of contact patterns 8 are connected to the pressure connector 5 provided on the bottom surface of the storage section 3 of the main body 1. It is provided so as to be read in close contact with piece 4.

11. In FIG. 2, reference numeral 9 denotes a lid, which is plate-shaped, and has a convex portion 10 protruding in the longitudinal direction on one side of the lid, and a side surface of the storage portion 3 of the main body 1. It can be assembled into the rectangular hole 6 provided in the hole. Also,
A convex portion 11 is provided on the other side of the lid so as to protrude downward, and a rectangular hole 11a is provided at the center of the convex portion 11 to receive the convex portion from the fixed switch built into the main body 1. It is provided.

Further, FIG. 3 is an exaggerated drawing of FIG. 1 A-, in which the same parts as in FIGS.

The hole 11 is engaged with the hole 11 and is in two states. Further, reference numeral 13 is formed integrally with the slide knob 7 from a conductive material, or a contact piece is provided inside the main body 1. i
r, it is in contact with the contact pattern of the printed circuit board 14 on which the entire arithmetic processing circuit pattern is formed.

Conventional devices are constructed in this way. When the memory card 2 is installed in the main body 1, the memory card 2 is stored in the storage part 3 of the main body 1, and the card cover 9 is integrally provided with a protrusion. The memory card 2 is inserted into the hole 6 provided in the storage part 3, and the cart lid 9 is rotated around the connecting part of the above-mentioned convex part 10 and the hole 6, and the memory card 2 is pushed onto the bottom surface of the storage part 3. In fact, a protrusion 110 provided on the card cover 9 has a protrusion integrated with the aforementioned slide knob 7 in the lock hole.
By engaging the card cover 7 and holding the card cover 7 against the main body 1, the contact pattern 8 of the memory card 2 can be pressed into contact with the contact piece 4 of the pressure contact type connector 5.

Next; (When removing the memory card 2 from the main body 1, slide the slide knob 7 in the direction away from the hole 1+a to release the engagement between the lock hole of the protrusion 11 of the card cover 9 and the protrusion of the slide knob 7. Accordingly, the pressure welding connector 5
Due to the elastic force of the contact piece 4, the memory card 2 is pushed upward, and by pushing up the lid 9 and pulling out the protrusion 10 of the M9 from the hole 6 of the storage section 3, the lid 9 and the memory card 2 are removed.
can be removed by machining the main body.

Here, when inserting or removing the memory card 2 into the main body 1,
If this is done while the power is on, the contact pattern 8 of the memory card 2 and the contact piece 4 of the press-fit connector 5 may repeatedly make contact and non-contact multiple times, and an abnormal signal may be generated at this time. Doing so may damage the programs and data stored in the memory card 2, or damage the electronic circuitry of the main unit 1. When attaching or detaching the device, be sure to turn off the power first. This is explained in Fig. 3. When removing the card cover 9, that is, when removing the memory cart 2, the engagement relationship between the protrusion 12 of the slide knob 7 and the hole 11°1 of the protrusion 11 of the cover 9 is explained. When the slide knob 7 is slid to release it, the leaf contact piece 13 provided integrally with the slide knob 7 also slides. By forming the memory card 2, it is possible to take out the memory card 2 even when the power is off.2,'f:, When installing the memory card 2 into the main body 1, store the memory card 2 in the storage section 3, To take the lid 9 of the cart, slide the slide knob 7 and engage the hole Ha of the protrusion 11 of the card lid 9 with the projection 12 of the slide knob 7. Place the card lid 9 on the main body 1. At the same time, by forming a pattern on the printed circuit board 14 so that the power of the main body 1 is turned on by sliding the leaf contact piece 13, the power of the main body 1 can be turned on while the memory card 2 is securely attached to the main body 1. enters.

As a result, according to the conventional method as described above, when removing the memory card 2 from the main body 1, if the slide knob 7 is quickly slid, the power of the main body 1 is turned off and the contact pattern 8 of the memory cart 2 is removed. Pressure welding connector 5
An unstable contact state of the contact piece 4 occurs, and the operating iron in the main body 1 -
If there is a power storage device such as a condenser in the power supply circuit of the circuit, even if the power is turned off using the slide knob 7, there will be a time delay before the power is actually turned off. There is also a drawback that programs and data in the memory card may be destroyed due to unstable contact of the contact piece 4 of the pressure contact ring 5.

Purpose The present invention has been made in order to improve the conventional drawbacks as described above, and provides an electronic device configured such that a memory cart serving as an external storage device for supplying programs or data from the outside can be attached and detached. is intended to provide.

EXAMPLES Hereinafter, the present invention will be explained in detail based on examples shown in the drawings.

Figures 4 to 10 illustrate one embodiment of the present invention, and in each figure, the same or corresponding parts as in Figures 1 to 3 are denoted by the same reference numerals, and their explanation will be omitted. .

No. 41￥1 is an external perspective view including the main body 1 of this embodiment,
In the figure, reference numeral 15 indicates a knob, and a groove is formed in the main body 1 in the longitudinal direction, continuing along the direction of the main body 1, along which the knob 15 can slide.

Figure 7 is an exploded perspective view of the switch mechanism.
The slide frame shown is basically a frame surrounded by rectangular plates on all sides. Reference numeral 17a denotes a protrusion that engages with the hole 11a of the protrusion 11 of the card lid 9, and is integrally formed with the slide frame 17 on the widthwise side surface of the slide frame 17. 23 indicates the sliding hole and slide frame 1
7 is a round hole provided on one side of the longitudinal side. A resilient convex click protrusion 19 is provided on the outside of the side surface facing the sliding hole 23.

Reference numeral 20 denotes a slide piece, which is basically a rectangular solid and has a shape that fits into the slide frame 17 and is slidable in the longitudinal direction thereof. The aforementioned knob 16 is a cylindrical projection integrally formed on one surface of the slide piece 2o. Reference numeral 22 denotes a switch projection, which is a cylindrical projection provided on one side of the west side, excluding the surface where the knob 16 is formed and the opposite side thereof, and is fitted into the sliding hole 23. 2
1, a compression spring 24 that presses the slide piece 20 is a power supply putter force 5°26 provided on the printed circuit board 14.
is a contact piece connected to the power supply pattern 24.

Next, we will show how to assemble the switch mechanism configured as described above. The slide frame 17 is placed on the printed circuit board 14, is surrounded by the main body 1 from above, is stable from above and below, and is mounted on the printed circuit board 14. The slide frame 17 is assembled into a frame integrally formed with the main body 1 so that it is free only in the longitudinal direction of the storage portion 3, but is free in the plane 14. The slide piece 20 is placed within the frame of this slide frame 17, and the switch protrusion 2
Insert the compression spring 2 so that it faces the side where the slide hole 23 formed in the slide frame 17 is located, and install the compression spring 2 on the side of the slide frame 17 where the switch protrusion 22 of the slide piece 20 is not provided.
1 is installed, and the switch protrusion 22 passes through the slide hole 23 and projects to the outside of the slide frame 17 in such a state that the slide piece 20 is elastically pressed against the side of the slide frame 17 where the slide hole 23 is located. There is. Cut leaf section (A) 2
5. The leaf section B) is connected to the power supply pattern 24 with a slight gap between them, facing each other, and the switch protrusion 22 protrudes to press the leaf contact piece 25. The leaf contact piece 26 is connected and read, and the electronic device is configured and assembled so that the power is turned on.

In addition, on the side of the main body frame where the click hole is not provided,
A hole 27 is provided to communicate the sliding hole 23 provided in the slide frame 17, to bring the switch protrusion 22 out of the main body frame, and to press the first contact piece 25.

Next, the method and operation of the first embodiment assembled as described above will be explained.

Figures 5, 8, and 10 are side views of the switch mechanism. In the figures, 18 is a click hole sunk into the frame of the main body.
Click protrusions 19 and 2 integrally formed on the slide frame 17
Two are provided to engage in stages.

In FIG. 5, the protrusion 17a protrudes into the storage part 3 and holds the memory card 2 and the card cover 9, and the switch protrusion 22 presses the leaf contact piece to turn on the power to the main body.

The procedure for removing the memory card 2 and card 9 from the main body 1 will be described below. From the state shown in FIG.
The memory card 2 and the card lid 9 remain held in the main body 1 because they are held in place with the hole ++a of the protrusion 11 at 9 on the cart lid. Slide 20□, 8 (from A, 7.
b)' -7! Switch protrusion 2 integrally formed with 7°
When 3 also slides and enters the slide frame 17, the leaf contact piece 25 is no longer pressed, and the leaf contact piece 25 is separated from the leaf contact piece 26 due to its own nature, and the power to the device is turned off. It is in a state of nine. From this state, when the knob 15 is slid in the longitudinal direction of the storage section 3 along the L-shaped groove 16 in the direction away from the storage section 3, the slide frame 17 also moves in the direction away from the storage section 3 at the same time as the slide frame 20. Therefore, the protrusion 17. which is integrally formed with the slide frame 17. I has also moved and does not protrude into the storage section 3. At this point, the memory card 2 and card cover 9 can be removed from the main body 1.

This state is shown in FIG. At this time, the click protrusion 19 formed integrally with the slide frame 17 also moves and engages with the click hole 18 that is farther from the storage section 3, so that an appropriate lick feeling can be obtained when the slide frame 17 slides. In this case, of course, the power to the device body 1 is almost cut off.

Next, the operation when installing the memory card 2 into the main body 1
Let's talk about 'C.

To install the memory card 2 into the main body 1, reverse the above procedure, remove the memory card 2, and insert the cover 7 into the main body 1 (with the power turned off as shown in Figure 10). Then, slide the knob 15 along the groove 16 in the longitudinal direction of the storage section 3 so as to approach the storage section, and the state shown in FIG. 8 is achieved, and the protrusion 11 of the card cover 9 is locked The protrusion 12 formed integrally with the hole and the slide frame 17 engages, and the card cover 9 is kept clean on the main body 1, and at the same time, the memory card 2
Also, a sufficient connection with the contact piece 4 of the pressure welding connector 5 is obtained. Furthermore, when the food knob 15 is moved along the L-shaped groove 16 in the width direction of the storage section 3, it becomes as shown in FIG.
The slide piece 20 moves along the slide frame by the pressing force of 1, and the switch protrusion 22 presses the leaf contact piece 25 and comes into contact with the leaf contact piece 26 to turn on the power to the main body 1.

This embodiment is an electronic device configured and operated as described above, in which a memory card as an external storage device for supplying programs or data from the outside can be removably attached, and the power to the electronic device is completely turned off. Since the memory card can be inserted and removed in the same state, it is possible to completely prevent programs stored in the memory cart or cheaters from being damaged due to unstable connections between the electronic device and the memory card, as well as damage to the arithmetic circuits within the device itself. In electronic devices that can be removably attached to a memory cart as an external storage device, the power to the electronic device is completely turned off when the memory card is inserted or removed, so the program or data stored in the memory cart is This has the effect of preventing the arithmetic circuits within the main body from being destroyed.

[Brief explanation of drawings]

1 to 3 are for explaining the conventional structure and the first embodiment. FIG. 4 is a perspective view, FIG. 7 is an exploded perspective view of the switch mechanism, and FIG. Figure 10 illustrates the operation of the switch mechanism.
, and FIG. 6 is a sectional view taken along line B-B in FIG.
The figure is a cross-sectional view taken along line C-C in Figure 8.3, 1...
Device body 2 Memory cart 3/Concave storage section
4...Slice 5 Pressure connector 6...Register 1 hole 7...Slide knob 8...Contact pattern 9/Card cover 1
0... Convex portion 11 ・Convex portion 12... Protrusion 13... Leaf section 14... Print base) lJ
l/15 Knob 16...L-shaped 11q1
7. Slide ＜18. Click? l#19...Click protrusion 20, slide piece 21...Compression spring 2
2...Switch protrusion 23...Sliding hole 24...
Power supply pattern 25 Leaf contact piece 26 Leaf contact piece Figure 1 Fushimi Figure 2 Figure 3 @ Figure 4 Figure 5 Figure 6 Figure 7 Figure 1

Claims (1)

[Claims] In a Nariko device to which a memory card 1 as an external storage device is detachably attached, a lid body for holding the memory card in the electronic device is provided, and a slide frame having a retaining relationship with the lid body is movable. A knob is provided on the slide frame and is movable within the slide frame in a direction perpendicular to the direction of movement of the slide frame. An electronic device characterized by being configured to be controllable.