JPH0567257A - Information card - Google Patents

Abstract

PURPOSE:To visually confirm a normal connection when an IC card is inserted into and connected to an information processing terminal unit. CONSTITUTION:When the IC card 1 is connected to the information processing terminal unit, first and second card connection terminals 2 and 3 are connected to first and second card connected terminals 6 and 7. Current is supplied from a power line 4 to a light emitting diode 21 through a resistance 5, and the light emitting diode 21 is lighted. When the light emitting diode 21 is lighted, it becomes normal connection. Thus, normal connection can visually and easily be confirmed and an IC card system with high reliability can be obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information card system, and more particularly to an information card which can confirm normal connection between an information card such as an IC card and an information processing terminal side.

[0002]

2. Description of the Related Art IC in a conventional IC card system
The card and the information processing terminal are shown in FIG. In FIG. 3, 1 is an IC card, 2 is a first card connection terminal, 3 is a second card connection terminal, 6 is a first card connected terminal,
7 is a second card connected terminal, 9 is a voltage comparator, 10 is a voltage comparator input, 11 is a voltage comparator output, 30 is a power supply line, 31 is a resistance, and 32 is ground. Next, I in FIG.
The operation of the C card system will be described. In the case where the IC card 1 on the IC card side is not connected to the information processing terminal side and the power line 30 is supplied with, for example, 5 V, the voltage comparator input 10 of the voltage comparator 9 becomes the “H” level. The voltage comparator output 11 also becomes the "H" level. On the other hand, when the IC card 1 is connected to the information processing terminal side, the first card connected terminal 6 and the first card connected terminal 2 are connected, and the second card connected terminal 7 is the second terminal. It is connected to the card connection terminal 3. As a result, the 5V power supply line 30 is grounded to the ground 32 via the resistor 31, the voltage comparator input 10 becomes "L" level, and the voltage comparator output 1
1 also becomes "L" level. Then, the voltage comparator output 11
The information processing terminal device starts its operation in response to the "L" level signal.

[0003]

The IC card in the conventional IC card system is configured as described above, and when the operator inserts the IC card into the information processing terminal side, the IC card is physically inserted. Since it is not possible to visually check whether or not they match, if the insertion force of the IC card is weak, there is a problem that malfunction may occur due to poor contact. It was

The present invention has been made to solve the above problems, and an object thereof is to provide an information card capable of visually confirming a normal connection of an IC card to an information processing terminal.

[0005]

As shown in FIG. 1, an information card according to the present invention has a first and a second information processing terminals.
Power supply circuit 1 for setting voltage between second card connected terminals
2 is provided, and a light-emitting device (light-emitting diode 21) that emits light based on voltage detection is provided between the first and second card connection terminals.

[0006]

In the information card according to the present invention, the first and second card connection terminals of the information card are connected to the first and second card connected terminals on the side of the information processing terminal, and the information is transferred from the information card to the above. When being read by the information processing terminal, a current is supplied from the power supply circuit to the light emitter to cause the light emitter to emit light. The user confirms the normal connection of the card by visually checking the light emission of the light emitter.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a circuit diagram showing an embodiment of the present invention.
FIG. 2 is a perspective view of the IC card of FIG. In FIG. 1, reference numeral 1 denotes an IC equipped with a memory IC as an information card.
Card 2, 2 is a first card connection terminal, 3 is a second card connection terminal, 4 is a power line, 5 is a resistor, 6 is a first card connected terminal, 7 is a second card connected terminal, 8 Is earth,
Reference numeral 9 is a voltage comparator, 10 is a voltage comparator input, 11 is a voltage comparator output, 12 is a power supply circuit, and 21 is a light emitting diode as a light emitting device. The same functions as those of the conventional example are designated by the same reference numerals, and the description of the following configuration will be omitted.

On the side of the information processing terminal, the power supply circuit 12 comprises a power supply line 4, a resistor 5 and a ground 8,
The power supply line 4 is connected to one end of the resistor 5, the other end of the resistor 5 is connected to the first card connected terminal 6 and the voltage comparator input 10 of the voltage comparator 9, and the voltage comparator output 11 is an internal circuit. Connected with. The second card connected terminal 7 is connected to the ground 8. On the other hand, on the IC card side, I
The first card connection terminal 2 of the C card 1 is connected to one end of the light emitting diode 21, and the other end of the light emitting diode 21 is connected to the second card connection terminal 3. Further, as shown in FIG. 2, the light emitting diode 21 is an IC that can be confirmed when an IC card is inserted into an information processing terminal and fitted.
It is provided at the card position.

When the IC card 1 is not connected to the information processing terminal side, no current flows through the light emitting diode 21, so that no current flows through the light emitting diode 21.
Do not light. When information is read from the IC card 1 to the information processing terminal side, information processing is performed on the first and second card connection terminals 2 and 3 together with a connection terminal for reading information (not shown) of the IC card 1. Corresponding first and second on the terminal side
It is electrically connected to the card connected terminals 6 and 7. When connected, a current is supplied from the power supply line 4 of the power supply circuit 12 to the light emitting diode 21 via the resistor 5, the first card connected terminal 6, and the first card connecting terminal 2, and the current is further supplied to the second It flows to the ground 8 through the card connection terminal 3 and the second card connected terminal 7. As a result, the light emitting diode 2
1 lights up. The operator can confirm the normal connection of the IC card 1 to the information processing terminal by confirming the lighting. By this connection, the voltage comparator input 10 changes from "H" level to "L" level, and the voltage comparator output 11 also changes from "H" level to "L" level. Then, the connection of the IC card 1 is transmitted to the information processing terminal side.

In this embodiment, the IC card system has been described as an example, but the present invention is not limited to the IC card, but can be applied to other types as long as it is of a type that can be connected and read out information.

[0011]

As described above, according to the present invention, when the information card is connected to the information processing terminal side, a current can be supplied from the power source on the information processing terminal side to the light emitter on the information card side. With such a configuration, the operator can visually confirm that the information card is normally inserted in the information processing terminal side, and an effect that a highly reliable information card system without operator's erroneous operation or malfunction can be realized is there.

[Brief description of drawings]

FIG. 1 is a circuit diagram showing an embodiment of the present invention.

FIG. 2 is a perspective view of the IC card of FIG.

FIG. 3 is a circuit diagram showing an example of a conventional technique.

[Explanation of symbols]

 2 1st card connection terminal 3 2nd card connection terminal 6 1st card connected terminal 7 2nd card connected terminal 21 Light emitting diode

Continuation of front page (51) Int.Cl. ⁵ Identification number Office reference number FI technical display location 7832-5B G06F 1/00 333 D

Claims (1)

[Claims] 1. A first and a second card connection terminal removably connected to first and second card connection terminals of an information processing terminal, wherein the first and second card connection terminals are provided. In the information card in which information is read out by the information processing terminal device when connected to the first and second card connected terminals, the first and second card connected devices are connected to the information processing terminal device side. An information card, characterized in that a power supply circuit for setting a voltage is provided between terminals, and a light emitter that emits light based on voltage detection is provided between the first and second card connection terminals.