JPS63296994A - Portable memory medium - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a portable storage medium such as a memory card.

(Prior Art) A conventional portable storage medium will be described using a memory card as an example, with reference to FIGS. 12 and 13. In a memory card, one storage medium 21 made of ROM or RAM is mounted on a thin printed circuit board 22 and embedded in a plastic card base 23, and one end of the storage medium 21 is mounted on a thin printed circuit board 22 and embedded in a plastic card base 23.
A plurality of external terminals 24 are provided.

A storage medium 21 equipped with a ROM has the function of simply storing information, and is used, for example, as a prepaid telephone card, and a storage medium 21 equipped with a RAM can rewrite the stored information. It is used as an external storage medium in external devices such as personal computers and word processors.

(Problem to be Solved by the Invention) By the way, portable storage media not only have the function of storing information processed by external devices, but also have a wide variety of functions that take advantage of the convenience of portability. There is a growing demand for products that can be used for various purposes.

However, in conventional memory cards, only one storage medium 21 is built into the card base 23 and only information processed by an external device is stored, so the range of use is extremely narrow. The problem was that it was limited to.

The present invention has been made based on the above circumstances, and an object of the present invention is to provide a portable storage medium that can further expand the range of use.

[Structure of the Invention] (Means for Solving the Problems) In order to solve the above problems, the present invention provides a plurality of storage media built into a card base and each having a different role, and a plurality of storage media each having a different role. The gist is that the device has an external terminal for transmitting and receiving information to and from a connected external device.

(Function) Among the plurality of built-in storage media, a required storage medium can store a program according to a required purpose and function as a program storage medium. It can function as a data storage medium that stores information processed by the program. Therefore, the applications can be expanded to a wide variety depending on the purpose of use.

(Example) Hereinafter, an example of the present invention will be described based on the drawings. This embodiment is applied to a memory card.

1 to 4 are diagrams showing a first embodiment of the present invention.

First, to explain the structure of the memory card 10 which is a portable storage medium, a program memory 1 as a first storage medium is mounted on a thin printed circuit board 3 and placed on one end side of a plastic card base 7. It is embedded, and a plurality of external terminals 4 connected to the program memory 1 are provided on the surface of one end thereof. Further, a data memory 2 as a second storage medium is mounted on another printed circuit board 5 and embedded in the other end side of the card base 7, and a plurality of data memories connected to the data memory 2 are provided on the back side of the other end. external terminals 6 are provided. In this way, two storage media having the respective roles of program memory 1 and data memory 2 are symmetrically arranged and embedded on one end side and the other end side of one card base 7. .

FIG. 3 shows the connection relationship between the program memory 1 and the external terminal 4 and the connection relationship between the data memory 2 and the external terminal 6, and each memory 1.2 is connected to the power supply terminal V.
CC, address terminal AOO~A14, data terminal Do-
D7, a write voltage m terminal Vpp, etc. are provided.

Next, the operation of the memory card 10 configured as described above will be explained using the flowchart shown in FIG.

First, the external terminal 4 side of the memory card 10 is inserted into an external device (not shown) such as a reader/writer or a personal computer, and the program memory 1 is connected to the external device (step 1). Then, a program corresponding to the required purpose stored in the program memory 1 is read out, and the required processing is performed by this program (step 2). Next, the external terminal 6 side of the memory card 10 is replaced with an external device, the data memory 2 is connected to the external device, and the information processed in step 2 is written to the data memory 2 (step 3).

In this way, information is processed by a program according to each purpose of use and stored in the memory card 10.

If a large number of memory cards 10 each storing programs corresponding to various purposes of use are prepared, and a program corresponding to the purpose of processing is selected by selecting the memory card 10, the scope of use can be further expanded.

FIG. 5 shows a modification of the external terminal section in the first embodiment described above. In this modification, the external terminals 4a, 6a protrude outward from an intermediate portion in the thickness direction of the card base 7, depending on the shape of the insertion port of the external device. In this way, the memory cards 10 are prepared with different external shapes such as external terminal portions depending on the external devices to be used.

Next, FIGS. 6 and 7 show a second embodiment of the present invention. In FIGS. 6 and 7 and FIGS. 8 to 11 described below, the same or equivalent components as those in FIGS. 1 and 2 are designated by the same reference numerals. and omit redundant explanations.

In the memory card 20 of this embodiment, the printed circuit board 3 on which the program memory 1 is mounted and the printed circuit board 5 on which the data memory 2 is mounted are arranged at one end of the card base 7, facing upwardly and downwardly in the thickness direction. The external terminal 4.6 is
They are arranged facing each other on the front and back sides of the card base 7.

According to this embodiment, when changing the connection between the program memory 1 and the data memory 2 to an external device, it is only necessary to turn over the card base 7 and replace the card base 7, so that easy replacement can be achieved.

FIG. 8 shows a modification of the external terminal section in the second embodiment, and corresponds to the modification of FIG. 5 in the first embodiment. That is, in this modification, a program memory 1 and a data memory 2 are mounted facing each other on the front and back sides of a common double-sided printed circuit board 1, and an external terminal 4
a and 6a project outward from the middle portion of the card base 7 in the thickness direction. In this manner, in this embodiment as well, similar to the first embodiment, external terminal portions with different external shapes are prepared depending on the external device to be used.

9 to 11 show a third embodiment of the present invention. In this embodiment, a program memory 1 and a data memory 2 are mounted side by side on the same side of a common printed circuit board 13, and an external terminal 14 for these memories 1.2 is installed.
are arranged on the same side at one end of the card base 7. The external terminal 14 is the same as that of the first embodiment (FIG. 1).
This includes external terminals 4.6 at .

FIG. 11 shows an example of how the third embodiment configured as described above is used. In this embodiment, the program memory 1 and data memory 2 built into the memory card 30 are simultaneously connected to an external device. 15. In this embodiment, the program memory 1 is stored by the external device 15.
The required program stored in the data memory 2 is read out, the data already stored in the data memory 2 is read out, the data is subjected to the required processing, and then the new processed data is transferred to the data memory 2. be remembered.

Therefore, according to this embodiment, functions are provided appropriately depending on the type of external device used.

In each of the above-mentioned embodiments, one program memory and one data memory are built into the card base as storage media having different roles, but three or more storage media having various roles may be incorporated. It can also be built-in.

[Effects of the Invention] As explained above, according to the present invention, a plurality of storage media each having a different role are built into the card base. For example, the storage medium can be made to function as a program storage medium by storing a program according to a required purpose, and the other storage medium can be made to function as a data storage medium to store information processed by the program, It has the advantage that it can be used in a variety of ways depending on the purpose of use.

[Brief explanation of drawings]

1 to 4 show a first embodiment of a portable storage medium according to the present invention, in which FIG. 1 is a plan view, FIG. 2 is a vertical sectional view, and FIG. FIG. 4 is a block diagram showing connection relationships with terminals, FIG. 4 is a flowchart for explaining the operation, FIG. 5 is a vertical sectional view showing a modification of the external terminal section in the first embodiment, and FIG. 7 is a longitudinal sectional view of the second embodiment, FIG. 8 is a longitudinal sectional view showing a modification of the external terminal portion in the second embodiment, and FIG. 9 is a longitudinal sectional view of the second embodiment. FIG. 10 is a plan view showing a third embodiment of the present invention; FIG. 10 is a vertical sectional view of the third embodiment;
The figure is a block diagram for explaining the operation of the third embodiment, FIG. 12 is a plan view of a conventional portable storage medium, and FIG. 13 is a plan view of a conventional portable storage medium.
The figure is a longitudinal sectional view of the conventional example same as above. 1 Niprogram memory (storage medium), 2: Data memory (storage medium), 4.6.4a, 6a, 14: External terminal, 7: Card base, 15: External device.

Claims (4)

[Claims] (1) It is characterized by having a plurality of storage media built into the card base and each having a different role, and an external terminal connected to each of the storage media for transmitting and receiving information to and from an external device. portable storage medium. (2) The mobile phone according to claim 1, wherein each of the separate roles is a role for storing a required program and a role for storing data processed by an external device according to the program. Possible storage medium. (3) an external terminal of the storage medium having one role;
The external terminals of the storage medium having the other role are disposed on the front and back sides of both ends of the card base or the front and back sides of one end of the card base, and are used to connect the storage medium having one role and the other role. Claims 1 or 2, characterized in that the storage medium having a storage medium is one that is separately connected to the external device by replacement.
Portable storage medium as described in Section. (4) an external terminal of the storage medium having one role;
The external terminal of the storage medium having the other role is disposed on the same side of one end of the card base, and the storage medium having one role and the storage medium having the other role are connected to the external device. 3. The portable storage medium according to claim 1, wherein the portable storage medium is connected simultaneously.