JP3202055U - Memory card and case - Google Patents

Abstract

A memory card and a case capable of easily and surely removing a claw from a main body and permanently realizing data rewrite prohibition. A memory card in which a claw 11 is provided at a position where it is recognized that data can be rewritten in a main body 10 and a V-shaped, U-shaped or arc-shaped groove 12 is provided at a boundary portion between the claw and the main body. The groove 12 is formed on one or both of the front surface and the back surface. Also, the corner is provided with a recess for inserting the tab 11 of the memory card and folding and removing the tab. [Selection] Figure 3

Description

  The present invention relates to a memory card incorporating a semiconductor element, and more particularly to a memory card and a case that can be easily and surely prohibited from being rewritten.

[Description of Prior Art]
A conventional memory card has a claw formed at a specific position on the main unit, and the data can be rewritten when the claw is at the specific position, and the data can be rewritten when there is no claw at the specific position. Was forbidden.
Specifically, there are conventional memory cards in which a claw is formed integrally with the main body (claw integrated type) and in which a claw slides (claw slide type).

[Nail integrated type]
In a conventional memory card with a claw-integrated type in which the claw is formed integrally with the main body, the claw position is fixed, and the claw is formed at that position, so that data can be rewritten on the memory card. If there is, the data writing device recognizes it.

[Nail slide type]
In addition, the conventional claw slide type memory card that slides the claw is recognized that data can be rewritten by setting the claw to a specific position, and that data rewriting is prohibited by sliding the claw. It is.

In the conventional claw-integrated type memory card, since the claw is fixed to the main body, it is recognized that data can be rewritten at all times.
If it is necessary to remove the claw to prevent data rewriting of the claw-integrated type memory card, it is not configured to fold the claw. There was also a risk of damage.

  In the claw slide type, the claw can be slid to a position where data rewrite is prohibited. However, if the claw is slid back to a position where data can be rewritten, the data can be easily rewritten. It was something that was not a mechanism that could be permanently banned.

  As related prior art, Japanese Patent Application Laid-Open No. 2003-006603 “IC card and information processing apparatus having this IC card” (Toshiba Corporation) [Patent Document 1], Japanese Patent Application Laid-Open No. 2004-252672 “Memory card” Adapter and manufacturing method thereof (Matsushita Electric Works Co., Ltd.) [Patent Document 2].

Japanese Patent Application Laid-Open No. 2004-228561 discloses a structure that allows a bending force applied to a protruding portion to escape when an IC card is mounted on a PC or the like.
Patent Document 2 discloses a structure for connecting a small memory card to a socket for a larger memory card.

JP 2003-006603 A JP 2004-252672 A

  However, some of the conventional memory cards slide the claw to a position where rewriting is prohibited, but the claw can be easily removed so that rewriting of data is permanently prohibited for written data. There was a problem that it was not configured.

  Note that Patent Document 1 and Patent Document 2 do not describe easy removal of a claw that controls data rewritability / rewrite prohibition of a memory card.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a memory card and a case which can easily and surely remove a claw from a main body and can permanently prevent data rewriting.

  The present invention for solving the problems of the above conventional example is a memory card having a main body with a built-in semiconductor element. The main body is provided with a claw at a position where it is recognized that data can be rewritten. A groove for removing the film is formed.

  The present invention is characterized in that in the memory card, the groove is formed on one or both of the front surface and the back surface of the main body.

  The present invention is characterized in that in the memory card, a groove is formed at a boundary portion between the claw and the main body.

  The present invention is characterized in that the groove is V-shaped, U-shaped, or arc-shaped in the memory card.

  The present invention is characterized in that, in the memory card, the groove is formed in a circular shape or an elliptical shape in a central portion of the claw.

  The present invention is a case for storing the above-mentioned memory card, and is characterized in that a recess for inserting and removing the nail of the memory card is provided at the corner.

  The present invention is a case for storing the above-mentioned memory card, and includes a protrusion for setting a claw of the memory card and opening a hole in a circular or elliptical groove of the claw.

  According to the present invention, the main body is provided with a claw at a position where it is recognized that data can be rewritten, and the memory card is formed with a groove for removing the claw from the main body. Thus, there is an effect that the claw provided at the position to be removed can be easily and surely removed from the groove portion and the data rewrite prohibition can be realized permanently.

  According to the present invention, since the memory card is provided with the concave portion for inserting and removing the nail of the memory card and the nail is folded and removed at the corner portion, the case is provided at a position where it is recognized that data can be rewritten. There is an effect that the claw can be easily and reliably removed from the groove portion, more safely, and the memory card can be permanently prohibited from rewriting data.

  According to the present invention, since the memory card is provided with a protrusion for setting a claw of the memory card and making a hole in the circular or elliptical groove of the claw, it is recognized that data can be rewritten. The effect that the memory card can be permanently prohibited from rewriting data by removing the claw provided in the groove position easily and securely in the groove and removing the claw more safely. There is.

It is a general view which shows the outline of the surface of this memory card. It is a general view which shows the outline of the back surface of this memory card. (A) is a detailed view of the front surface, and (b) is a detailed view of the back surface. (A) is sectional explanatory drawing in which the groove | channel was formed in both surfaces, (b) is sectional explanatory drawing in which the groove | channel was formed in the single side | surface. (A) is a detailed view of the front surface, and (b) is a detailed view of the back surface. (A) is sectional explanatory drawing which shows the structure by which the groove | channel was formed in the nail | claw part, (b) is sectional explanatory drawing which shows the special structure inside the main body of a nail | claw part. (A) is the plane detailed drawing in which the elliptical groove | channel was formed, (b) is sectional explanatory drawing in which the elliptical groove | channel was formed. (A) is explanatory drawing which inserted the nail | claw into the recessed part of the case, (b) is explanatory drawing for making a hole in a circular or elliptical groove | channel, (c) is a partial cross section of the case which has a projection part It is explanatory drawing.

Embodiments of the present invention will be described with reference to the drawings.
[Outline of the embodiment]
The memory card according to the embodiment of the present invention is such that a groove for removing a claw from a main body is provided in a claw provided at a position where data rewritability is recognized in the main body, and the data can be rewritten. The claw provided at the recognized position can be easily and reliably removed, and data rewriting can be permanently prohibited.

  In addition, the case of the memory card according to the embodiment of the present invention is provided with a concave portion for inserting and removing the claw of the memory card and folding the claw, and it is recognized that data can be rewritten. The claw provided at a certain position can be easily and reliably removed more safely, and the memory card can be permanently prohibited from rewriting data.

  In addition, the memory card case according to the embodiment of the present invention is provided with a protrusion for setting a claw of the memory card, making a hole in the claw, and removing a part of the claw. A part of the claw provided at a position recognized as rewritable can be easily and reliably removed more safely, and the memory card can be permanently prohibited from rewriting data.

[Configuration of Memory Card: FIGS. 1 and 2]
Next, a memory card (present memory card) according to an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an overall view showing an outline of the front surface of the memory card, and FIG. 2 is an overall view showing an outline of the back surface of the memory card.
As shown in FIGS. 1 and 2, this memory card is provided with a claw 11 for controlling rewriting and prohibiting rewriting on the upper surface on the left side of the main body 10 on the front surface and on the upper right surface of the main body 10 on the back surface.

  The position of the claw 11 shown in FIGS. 1 and 2 is provided with a claw 11 at a position where it is recognized that rewriting is possible. In FIGS. 1 and 2, the claw 11 is not slid but is formed integrally with the main body 10, and the claw 11 is removed from the main body 10 by being removed to recognize that rewriting is prohibited.

In this memory card, a groove 12 is formed at the boundary between the claw 11 and the main body 10 as a characteristic part.
The groove 12 is formed in order to easily remove the claw 11 by folding the claw 11 from the main body 10.
A specific configuration will be described later.

[Detailed structure of tab of this memory card: Fig. 3]
Next, a detailed configuration of the tab portion of the memory card will be described with reference to FIG. 3A is a detailed view of the front surface, and FIG. 3B is a detailed view of the back surface. The structure of the claw shown in FIG. 3 is referred to as a “first claw”.

As shown in FIG. 3A and FIG. 3B, the groove 12 is formed at the boundary portion between the main body 10 and the claw 11 by scraping the front surface and the back surface. By forming the grooves 12 on both sides, the claw 11 can be easily folded off from the main body 10 when the outer end of the claw 11 is moved in the front and depth directions in FIG. It can be carried out.
In FIG. 3, the grooves 12 are formed on the front and back of the main body 10, but may be formed only on one surface.

[Configuration of groove: Fig. 4]
Next, the configuration of the grooves formed in the memory card will be described with reference to FIG. 4A is a cross-sectional explanatory view in which grooves are formed on both sides, and FIG. 4B is an explanatory cross-sectional view in which grooves are formed on one side.
As shown in FIG. 4A, the grooves 12 are formed on the front and back surfaces of the main body 10 and the claws 11. Here, the groove 12 has a V-shaped cross section. The groove 12 may have a U-shaped cross section or an arc shape.

Further, as shown in FIG. 4B, the groove 12 may be formed on only one surface. In this case, the groove can be deeper than the groove 12 shown in FIG. The groove 12 provided on one surface may also be V-shaped, U-shaped, or arc-shaped.
Note that the formation of the groove 12 only on one surface can reduce the number of manufacturing steps compared to the case where the groove is formed on both surfaces.

[Second claw: FIG. 5]
Next, a detailed configuration of another tab portion in the memory card will be described with reference to FIG. 5A is a detailed view of the front surface, and FIG. 5B is a detailed view of the back surface. The structure of the claw shown in FIG. 5 is referred to as a “second claw”.
As shown in FIGS. 5A and 5B, the groove 12 is provided between the main body 10 and the claw 11 and penetrates between the front surface and the back surface.

A groove is not formed in a part of the groove in FIG. 3 (central part in FIG. 5), and other grooves are penetrated.
In FIG. 5, a groove is not formed in the central portion of the groove in FIG. 3, but a groove that does not penetrate may be formed in that portion. In this case, the claw 11 can be easily folded from the main body 10.

[Shape of sliding claw part: Fig. 6]
So far, the structure in which the claw 11 is formed integrally with the main body 10 of the memory card has been described. However, in FIG. 6, the claw portion 11 ′ is separated from the main body 10 and the claw portion 11 ′ slides. A typical shape will be described. 6A is a cross-sectional explanatory view showing a configuration in which a groove is formed in the claw portion, and FIG. 6B is a cross-sectional explanatory view showing a special configuration inside the main body of the claw portion.

As shown in FIG. 6 (a), the claw portion 11 ′ is composed of an external part that protrudes and slides outside the main body 10, and an internal part having an L-shaped cross section incorporated in the main body 10. A groove 12 is formed in a claw portion 11 ′ at the end of the main body 10.
By forming the groove 12 on the front and back of the claw portion 11 ′, the external part can be removed from the internal part by folding.

  Further, as shown in FIG. 6B, the internal parts of the claw part 11 ′ are not L-shaped in cross section, and the claw part 11 ′ is not naturally removed from the main body 10. A tapered portion 11a having a thickness increasing toward the back direction (right direction in FIG. 6B) is formed. Due to the shape of the tapered portion 11a, the claw portion 11 ′ does not come out naturally.

However, if it is the structure of the claw part 11 'of FIG.6 (b), the edge part of the main body 10 will deform | transform by pulling an external component, and claw part 11' can be easily extracted from the main body 10. FIG.
Then, due to the shape of the tapered portion 11a in the internal part of the claw part 11 ′, the internal part of the claw part 11 ′ is inserted and returned to the opening part in which the claw part 11 ′ at the end of the main body 10 has been inserted. However, since the tip of the internal part is tapered, it cannot be inserted and cannot be restored. Therefore, the data write prohibition can be retained permanently.

[Third memory card: FIG. 7]
In the third memory card, a circular or elliptical groove is formed at a position where it is recognized that data can be rewritten. Instead of folding the claw, a hole is formed in the claw so that writing is prohibited. 7A is a detailed plan view in which an elliptical groove is formed, and FIG. 7B is a cross-sectional explanatory view in which an elliptical groove is formed.

  As shown in FIGS. 7A and 7B, an elliptical groove 13 is formed in a claw 11 formed at a position (rewritable area) where rewritability is recognized. The groove 13 is formed on both the front surface and the back surface of the claw 11 and does not penetrate therethrough. That is, the elliptical groove 13 is formed in a concave shape in the central portion of the claw 11.

When the oval groove 13 is pressed by the tip of a ballpoint pen, the tip of a driver, or the like, a hole is formed in the groove 13. By opening the hole in the claw 11, a memory card reading / writing device is formed. However, it comes to recognize that rewriting is prohibited.
Here, although the elliptical shape is shown in FIG. 7, it may be a circular shape. Moreover, you may make it form circular shape or ellipse shape only in one surface.

[Memory card case: Fig. 8]
Next, a case of a memory card corresponding to this memory card will be described. FIG. 8A is an explanatory diagram in which the claw is inserted into the recess of the case, FIG. 8B is an explanatory diagram for making a hole in a circular or elliptical groove, and FIG. 8C has a protrusion. It is a partial cross section explanatory view of a case.
The case shown in FIG. 8 is a plastic case that protects the memory card from impact, and it is easier to use a transparent or translucent case for the memory card.

  The case 20 in FIG. 8A has a substantially triangular recess 21 into which a part of the claw 11 is inserted at the corner of the case 20, and the case 20 is illustrated with the claw 11 inserted into the recess 21. The claw 11 can be folded at the groove 12 portion by moving it toward the front or back of 8 (a).

  Accordingly, the recess 21 opens slightly wider than the thickness of the claw 11, but if it is too wide, the claw 11 cannot be pressed down, and therefore the gap may be 1 mm or less in a state where the claw 11 is inserted into the recess 21. desirable.

Further, when the corner portion of the concave portion 21 is the apex of the triangle, the receiving portion of the claw 11 which is the bottom side is also adjusted so that the apex is located at the position of the groove 12 when inserted into the claw 11. .
By folding the claw 11 using the concave portion 21 of the case, it is possible to prevent the fragments of the claw 11 from being scattered, and the apex of the triangle is positioned in the groove 12, so that the portion of the groove 12 can be safely and securely It will break.

A case 20 in FIGS. 8B and 8C is a case for making a hole in an elliptical groove 13 formed in the claw 11.
Protrusions 22 for forming holes are formed at the corners of the case 20. When the claw 11 is sandwiched between the upper lid 20 a and the lower lid 20 b of the case and the elliptical grooves 13 are pressed by the projections 22, the grooves 13 are formed. The part of this is depressed and a hole is opened.

When the oval groove 13 is depressed and a hole is opened, the claw 11 is folded, and the data reading / writing device recognizes the data rewriting prohibited state.
Then, by making a hole in the groove 13 using the upper lid 20a and the lower lid 20b of the case, and further using the protrusions 22, the pieces of the groove 13 are not scattered, and the hole can be safely and reliably opened.

[Effect of the embodiment]
According to this memory card, since the groove 12 is provided at the boundary portion between the claw 11 provided at the position where it is recognized that data can be rewritten in the main body 10 and the main body 10, it is recognized that data can be rewritten. There is an effect that the claw 11 provided at the position can be easily and surely removed from the groove 12 to permanently prevent the data from being rewritten.

  Further, according to the case 20 of the present memory card, since the claw 11 of the memory card is inserted, and the concave portion 21 for folding and removing the claw 11 is provided at the corner, it is recognized that the data can be rewritten. Thus, there is an effect that the claw 11 provided at the position to be removed can be removed from the groove 12 easily, reliably and safely, and the memory card can be permanently prohibited from rewriting data.

  Further, according to the case 20 of the present memory card, the protrusion 22 for setting the claw 11 of the memory card and making a hole in the circular or blade-shaped groove 13 of the claw 11 to remove a part of the claw 11. Therefore, a part of the claw 11 provided at a position where it is recognized that data can be rewritten can be easily and securely removed more safely, and the memory card is permanently prohibited from rewriting data. There is an effect that can be.

  The present invention is suitable for a memory card and a case that can easily and surely remove a claw from a main body and can permanently prevent data from being rewritten.

  10 ... Main body, 11 ... Claw, 11 '... Claw, 11a ... Taper, 12 ... Groove, 13 ... Groove, 20 ... Case, 21 ... Recess , 22 ... Projection

Claims (7)

A memory card having a body containing a semiconductor element,
A memory card, wherein the main body is provided with a claw at a position where it is recognized that data can be rewritten, and a groove for removing the claw from the main body is formed.   2. The memory card according to claim 1, wherein the groove is formed on one surface or both surfaces of the front surface and the back surface of the main body.   3. The memory card according to claim 1, wherein the groove is formed at a boundary portion between the claw and the main body.   4. The memory card according to claim 1, wherein the groove has a V shape, a U shape, or an arc shape.   3. The memory card according to claim 1, wherein the groove is formed in a circular shape or an elliptical shape in a central portion of the claw. A case for storing the memory card according to claim 1,
A case in which a concave portion for inserting and removing a claw of a memory card and folding and removing the claw is provided in a corner portion. A case for storing the memory card according to claim 5,
A case comprising a protrusion for setting a claw of a memory card and opening a hole in a circular or elliptical groove of the claw.

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