Title:
TELEPHONE SET
Document Type and Number:
Japanese Patent JP3813194
Kind Code:
B2
Abstract:
PURPOSE: To provide a public telephone set in which leakage of an electric signal to an external device or input from the external device is prevented.
CONSTITUTION: A telephone set 1 in the IC card utilizing system where an IC card 110 is inserted into a card insertion slot 106 of the telephone set 1 and terminals of the IC card and contact pins 105 of the telephone set are brought into contact with each other for the utilizing is provided with a confirmation means 103 intercrossing an IC card passing face orthogonally between the IC card insert port section and the inserted IC card to confirm mechanically the presence of incorrect wiring.
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Inventors:
Wakamatsu Masaki
Application Number:
JP29605594A
Publication Date:
August 23, 2006
Filing Date:
November 07, 1994
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
G06K17/00; H04M17/00; H04M1/02; H04M17/02; (IPC1-7): H04M17/00; G06K17/00; H04M1/02; H04M17/02
Domestic Patent References:
| JP5143786A |
Attorney, Agent or Firm:
Satoshi Kanayama