JPS622702Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention is a card equipped with a semiconductor circuit including a data storage memory, and a signal processing circuit that reads data stored in the memory and processes signals when this card is installed. The present invention relates to an improvement of a card-type data processing device comprising a processing device.

In such a data processing device, the card is provided with a plurality of connection terminals, and the card processing device is also provided with a corresponding plurality of connection terminals, and by inserting the card into the insertion hole of the card processing device, , a semiconductor circuit including a data storage memory of the card is connected to a signal processing circuit of the card processing device. In this way, power supply voltage is supplied from the signal processing circuit to the semiconductor circuit of this card, and the stored contents of the memory are read out and supplied to the signal processing circuit, and various data are processed according to the read data. Signal processing is performed.

By the way, in a card-type data processing device, when the card is installed in the card processing device, if the power supply voltage from the signal processing circuit is supplied before connecting the other signal connection terminals, the card's There is a risk of damaging the semiconductor circuit. Further, when the card is removed from the card processing device, if some of the signal connection terminals are separated before the supply of power supply voltage is cut off, there is a risk that the same trouble as described above will occur.

In view of this, in the present invention, when a card is inserted into or removed from a card processing device, the power supply voltage input and output connection terminals are connected after the remaining connection terminals are connected, and the power supply voltage input and output connection terminals are connected. The purpose of the present invention is to propose a card type data processing device in which the remaining connection terminals are disconnected after the connection terminals for use and output are disconnected.

The present invention relates to a card having a semiconductor circuit including a data storage memory and a first plurality of connection terminals connected to the semiconductor circuit, and a card configured to be connected to the first plurality of connection terminals of the card. A card-type data processing device comprising a second plurality of connection terminals provided in the second plurality of connection terminals and a card processing device having a signal processing circuit connected to the second plurality of connection terminals. The connection terminal includes a power supply voltage input connection terminal, the second plurality of connection terminals include a power supply voltage output connection terminal, and the power supply voltage input and output connection terminals are connected to the first and second plurality of connection terminals. It is arranged so that the connection start time is delayed compared to the remaining connection terminals.

An embodiment of the present invention will be described below with reference to FIG. 1 represents a card, and 2 represents a card processing device. The card 1 has a first plurality of, for example five, connection terminals T ₁₁ to _{T 15} arranged on one side thereof. A semiconductor circuit consisting of a central processing unit and a memory is embedded in the card 1. The card processing device 2 is provided with a second plurality of connection terminals T ₂₁ to T ₂₅ so as to correspond to the first plurality of connection terminals T ₁₁ to T ₁₅ and can be connected thereto. These second plurality of connection terminals T ₂₁ to _{T 25} have a cross-section in the shape of a “h” as shown in FIG. 2, which is a sectional view of FIG. 1, and have elasticity in the vertical direction in the figure. There is.

In this case, connection terminals T ₁₅ and T ₂₅ are power supply voltage input and output connection terminals, respectively. The tips of the second plurality of connection terminals T ₂₁ to _{T 25} are aligned in a line. First plurality of connection terminals T ₁₁ ~
T ₁₄ has its tips aligned in a row, but the connection terminals
Only T ₁₅ has its tip set back compared to the rest of the connection terminals.

By doing so, when the card 1 is inserted into the slit (card insertion part) of the card processing device 2, the connection terminals _T11 to _T14 are first connected to the corresponding terminals _T21 to _T24 . After that, connection between the connection terminals T ₁₅ to T ₂₅ is made.
Conversely, when the card 1 is removed from the slit (card insertion part) of the card processing device 2, the connection terminals _T15 and _T25 are first disconnected, and then the connection terminals _T11 to _T14 and _{T21 are} disconnected. ~T ₂₄ is disconnected.

FIG. 3 shows another embodiment of the present invention, in which the tips of the first plurality of connection terminals T ₁₁ to _{T 15} are aligned in a row, but the tips of the second plurality of connection terminals T ₂₁
Among the connecting terminals _T25 , the leading end of the connecting terminal _T25 is set back compared to the remaining connecting terminals. Fourth
The figure is a sectional view of FIG. 3. In this case as well, the operation is similar to the embodiments of FIGS. 1 and 2.

FIG. 5 shows another example of the above-mentioned card 1, which will be explained below. Reference numeral 3 denotes a semiconductor circuit including a data storage memory, which also includes a central processing unit, and is constructed entirely of a one-chip IC, and is embedded in the card 1. A plurality of first connection terminals T ₁₁ to _{T 15} are connected to this semiconductor circuit 3 via lead wires. 4 is a display portion formed by embossing. 5 is card 1
It is a memo section made of paper, plastic, etc. pasted on the top surface of the device. Reference numeral 6 denotes a hole provided in the card 1, through which it can be hung on, for example, a key chain. 7 is an arrow indicating the direction in which the card 1 is inserted.
8 is a protective projecting frame arranged around the first plurality of connection terminals T ₁₁ to _{T 15} to prevent them from being peeled off due to external mechanical impact, and is formed by stamping. .

Next, the circuit of the card 1 and the signal processing circuit 2A of the card processing device 2 will be explained with reference to FIG. 3 indicates the above-mentioned semiconductor circuit of card 1,
As described above, it has at least the memory 9 and the central processing unit 10. The signal processing circuit 2A is a circuit built into the card processing device (for example, a card reading device) 2, and supplies the power supply voltage to the semiconductor circuit 3 via the above-mentioned power output and input connection terminals _T25 and _T15 . At the same time, it controls the central processing unit 10 to read data from the memory 9 and perform signal processing on the data. In this case, for example, T ₁₁ and T ₂₁ are common (ground) connection terminals. Any number of other connection terminals can be provided,
It can be used as a connection terminal for a data bus, address bus, control bus, etc.

This card processing device is not limited to a card reading device that reads data from a card, but can also be a card writing device that writes data to a card.

Next, with reference to Figures 7 to 9, card 1 is displayed again.
The specific configuration will be explained. Furthermore, Figures 7 and 8
Figures 9 and 9 are on the -' line of Figure 5, respectively.
FIG. 3 is a cross-sectional view taken along the line -' and the line taken along the line -'. This card 1 is constructed by bonding card substrates 1A and 1B together using an adhesive. These card boards 1A and 1B have conductive layers 13 and 14 formed on the upper surface of the card board 1B made of a plastic sheet such as polyvinyl chloride and polyvinyl chloride acetate, in the same manner as a printed circuit board, and a semiconductor circuit 3.
are connected to the conductive layers 13 and 14 via solder bumps or the like. Reference numeral 11 denotes a protection plate for protecting the semiconductor circuit 3, and is bonded onto the semiconductor circuit 3. This protective plate 11 is made of epoxy resin, glass epoxy resin, or the like. The semiconductor circuit 3 and the protection plate 11 are placed in a hole 15 made in the card substrate 1A, and the hole 15 is filled with resin to embed the semiconductor circuit 3 and the protection plate 11 therein. Reference numeral 16 denotes a through conductor, which is formed in the card substrate 1A so as to connect between a connection terminal (for example, a connection terminal T ₁₃ is shown as a representative) and the conductive layer 14.

In FIG. 8, the connection terminals T ₁₁ , T ₁₂ , T ₁₃ are connected to the conductive layer 17 on the card board 1B via the through conductor 16.
18 and 19.

Further, the memo section 5 is attached to the card board 1 as shown in FIG.
The periphery of the memo portion 5 is inserted between the card substrates 1A and 1B through the slit provided at A, so that the memo portion 5 does not easily come off.

According to the present invention described above, when a card is inserted, the power supply voltage input and output connection terminals of the card and the card processing device, respectively, are compared to the remaining connection terminals among the first and second plurality of connection terminals. However, the connection start point is delayed, and when the card is removed, the connection end point is earlier. In this way, there is no possibility that the semiconductor circuit of the card will be damaged when the card is inserted into and removed from the card processing device.

[Brief explanation of the drawing]

Figure 1 is a layout diagram showing one embodiment of the present invention;
The figures are a sectional view of Fig. 1, Fig. 3 is a layout of another embodiment of the present invention, Fig. 4 is a sectional view of Fig. 3, and Fig. 5 is another example of the card used in the present invention. FIG. 6 is a block diagram showing the circuit section of the device of the present invention, and FIGS. 7, 8, and 9 are views of the card shown in FIG.
FIG. 1 is a card, 2 is a card processing device, 2A is its signal processing device, T ₁₁ to _{T 15} are first plural connection terminals, T ₂₁ to _{T 25} are second plural connection terminals, of which T ₁₅ is a power supply Connection terminal for voltage input, T ₂₅ is connection terminal for power supply voltage output.

Claims (1)

[Scope of utility model registration request] A card comprising a semiconductor circuit including a data storage memory and a first plurality of connection terminals connected to the semiconductor circuit; and a card correspondingly provided to be connected to the first plurality of connection terminals of the card. and a card processing device comprising a second plurality of connection terminals connected to the second plurality of connection terminals and a signal processing circuit connected to the second plurality of connection terminals. The connection terminals include power supply voltage input connection terminals, the second plurality of connection terminals include power supply voltage output connection terminals, and the power supply voltage input and output connection terminals include the first and second plurality of connection terminals. A card-type data processing device in which the connection terminals are arranged so that the connection start time is delayed compared to the remaining connection terminals.