JPH0743757B2 - IC card reader / writer - Google Patents

Description

TECHNICAL FIELD The present invention relates to a read / write device for reading information stored in an IC card or writing information in the IC card.

2. Description of the Related Art FIG. 2 and FIG. 3 show an IC card read / write device which has been conventionally studied, showing an IC card insertion state. First, the operation sequence will be described. When the IC card 1 is inserted through the IC card insertion opening 2a of the body panel 2, the tip of the IC card 1 contacts the L-shaped portion 3a of the first slider 3, and the IC card 1
When the spindle 5 inserted into the first slider 3 reaches the front end of the elongated hole 4a formed in the second slider 4, the second slider 4 is also pushed. That is, the first and second sliders 3 and 4 are vertically stacked, and the moving distance of the first slider 3 until the second slider 4 starts to move by the support shaft 5 is the length provided on the second slider 4. Hole 4a
Is determined by the length of. By further inserting the IC card 1, the second slider 4 moves, and when the hook portion 7a at one end of the lever 7 falls into the notch 4a, the second slider 4 is locked. Also in this way the second
Due to the movement of the slider 4 until the slider 4 is locked, the lever 10 connected to the second slider 4 and the support shaft 9 rotates about the support shaft 11. Then the hook part of lever 10
The rear end of the inserted IC card 1 is locked by 10a, and the IC card 1 is positioned. The electrodes of the IC card 1 are also positioned by the locked state of the IC card 1. The first slider 3 before that is
When moved by the IC card 1, the contact part holding plate 14 which is rotatably supported by the support shaft 12 and has the contact 13 is rotatively moved upward by the cam part 3b provided on the first slider 3.
Conducts electricity with the electrodes on the bottom surface of the IC card 1.

When the IC card 1 is ejected, the L bent portion 7b provided on the other end of the lever 7 is pressed by the ejection button tip 15a by operating the ejection button 15. Then, the lever 7 rotationally moves, the lock of the second slider 4 by the hook portion 7a of the lever 7 is released, and the lever 7 moves leftward in FIG. As a result, the lever 10 also rotates, the lock of the IC card 1 by the hook portion 10a is released, and the IC card 1 is returned by the spring 16 holding the first slider 3 and the spring 17 holding the second slider 4. The rear end of the IC card 1 is discharged from the IC card insertion slot 2a, and the contact holding plate 14 is also rotated by the spring 18 slightly before that, and the contact is released from the electrode of the IC card 1. 6 is a spring, 8 is a support shaft, 19 is a spring for returning the discharge button, 20
Is a flexible pattern film for drawing out contacts.

4 and 5 are enlarged views of the lock portion of the IC card 1 in the conventional example.

Problems to be Solved by the Invention Although the conventional example has been described above, in the configuration according to the conventional example, as shown in FIGS. 4 and 5, the hook portion 10a of the lever 10 and the curved corner portions on both sides of the rear end of the IC card 1 are formed. Since the point contact is made at the lock position as shown in Fig. 4, it is difficult to lock at the fixed position, and the lock strength varies, which is the most important IC.
There is a problem that the contact position between the electrode of the card 1 and the contact 13 of the read / write device varies, and proper read / write cannot be performed.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an IC card read / write device that improves the problems seen in the conventional example and has stable read / write performance.

Means for Solving the Problems In order to achieve the above object, the IC card read / write device of the present invention has an IC card lock at least at one of curved corners provided on both sides of the rear end of the IC card. The lock lever is configured to be in contact with the lock lever, and the contact portion of the lock lever with the curved corner of the IC card is curved.

Operation With the above configuration, the contact between the IC card and the lock lever will be close to surface contact and will be stable.
The contact position between the card terminal and the contact becomes appropriate as set, and as a result, the read / write performance becomes stable.

Embodiment One embodiment of the present invention will be described below with reference to the drawings. First
The figure shows an embodiment according to the present invention and shows a locked state of an IC card.

The configuration other than that shown in FIG. 1 is the same as that of the conventional example, and the operation is as described.

In the configuration according to the embodiment, the lever 21 that locks the IC card 1
Since the hook portion 21a of the IC card has a curved surface, the contact with the curved corners on both sides of the rear end of the IC card 1 is close to surface contact.

FIG. 7 shows another embodiment, in which two lock levers 21 of the IC card 1 are used and a solenoid 22 is used to eject the IC card 1.

As described above, the IC card read / write device of the present invention is
The card is locked by contacting the lock lever with at least one of the curved corners provided on both sides of the rear end of the IC card, and the lock lever is fixed to the curved corner of the IC card. The contact is a curved surface.

And with the above configuration, the contact between the IC card and the lock lever will be close to surface contact and stable, so the contact position between the IC card terminal and the contact will be appropriate as set, As a result, the read / write performance becomes stable.

[Brief description of drawings]

FIG. 1 is a top view showing an essential part of an embodiment of the present invention, and FIG.
Fig. 3 and Fig. 3 are a top sectional view and a longitudinal sectional view of the conventional study product, and Fig. 4
5 and 5 are an enlarged top view and an enlarged front view of the IC card lock part of the conventionally studied product, FIG. 6 is an enlarged top view showing the lever position after card ejection of the conventionally studied product, and FIG. It is a partial notch upper surface sectional view which shows other Examples. 1 …… IC card, 3,4 …… First and second sliders, 21…
… Lever (lock lever), 21a …… Hook part (contact part).

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomihiro Kishigami 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-59-149576 (JP, A) JP-A-60-167067 (JP, A)

Claims (1)

[Claims] 1. An insertion opening for inserting an IC card, a slider which is pushed and moved by the tip of the IC card inserted through the insertion opening, a locking device which interlocks with the slider and locks the IC card, With a holding plate that holds a contact point that contacts the terminal of the inserted IC card in conjunction with the slider, the locking device of the IC card has a curved corner portion provided on both sides of the rear end side of the IC card. An IC card read / write device having a structure in which a lock lever is brought into contact with at least one location, and a contact portion of the lock lever with a curved corner of the IC card is a curved surface.