JPS61120960U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a front view showing an embodiment of the present invention, Fig. 2 is a right side view of the same as above, Fig. 3 is a sectional view of the fixed plate and its surroundings in the above embodiment, and Fig. 4 is a leaf spring in the above embodiment. and a front view of the contact terminal, FIG. 5 is a front view showing an example of the cleaning current path in the above embodiment, FIG. 6 is a waveform diagram showing an example of the same cleaning current, and FIG. 7 is a cleaning diagram that can be used in the present invention. A circuit diagram showing an example of a current supply source and an information signal circuit portion, FIG. 8 is a front view showing another example of the arrangement of conductive plates in the present invention, FIG. 9 is a partially sectional side view of the same, and FIG. Front view showing still another example of arrangement of conductive plates in the present invention, No. 11
This figure is a partially sectional side view of the same as above, and FIG. 12 is a front view showing another example of the cleaning current supply path in the present invention. 1...IC card, 5a...contact, 12...contact terminal, 30, 37, 38, 39...conductive plate, C...capacitor as a cleaning current supply source.

Amendment March 26, 1980 The scope of claims for utility model registration is amended as follows.

[Scope of Utility Model Registration Claim] In an IC card reader in which a contact terminal is brought into contact with a contact point provided on an IC card to exchange information signals with the IC card, a position where the contact terminal can be contacted . An IC card reader characterized in that a conductive member is disposed in the IC card reader, the contact terminal is brought into contact with the conductive member, and the contact terminal is cleaned by flowing an electric current through the contact terminal .

Claims (1)

[Scope of utility model registration request] In an IC card reader in which a contact terminal is brought into contact with a contact point provided on an IC card to exchange information signals with the IC card, a conductive plate is arranged at a position where the contact terminal can come into contact with the IC card, and , an IC characterized in that a cleaning current supply source for flowing a cleaning current to the contact terminal is provided under the conductive plate.
card reader.