Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-06-20
1996-05-28
Peng, John K.
Communications: electrical
Condition responsive indicating system
Specific condition
340654, 340687, 324133, 3241581, G08B 2100
Patent
active
055215866
ABSTRACT:
The present invention provides an electronic apparatus to be detachably loaded with an IC card. The apparatus comprises a loading operation detecting unit for detecting a loading operation of the IC card; an unloading operation detecting unit for detecting a unloading operation of the IC card; and an IC card controlling portion for controlling an input/output of the IC card based on a result detected by one of the loading operation detecting unit and the unloading operation detecting unit. The loading operation detecting unit and the unloading operation detecting unit each includes an elastic conductor member for detecting a contacting thereof with a frame ground terminal plate disposed on an outer portion of the IC card. The elastic conductor member of the loading operation detecting unit is positioned so as to be in contact with the terminal plate before a lead of the IC card is in contact with a connecter of the electronic apparatus on loading operation of the IC card, and to keep a contacted state while being in loading state of the IC card. And the elastic conductor member of the unloading operation detecting unit is positioned so as to keep the contacted state thereof with the terminal plate while being in the loading state of the IC card, and to shut off the contacted state with the terminal plate while the lead of the IC card is in contact with the connecter of the electronic apparatus, when the IC card is unloaded.
REFERENCES:
patent: 4507697 (1985-03-01), Ozil et al.
patent: 4949035 (1990-08-01), Palmer, II
patent: 5304987 (1994-04-01), Brunson et al.
patent: 5347265 (1994-09-01), Shimura
Peng John K.
Ricoh & Company, Ltd.
Wu Daniel J.
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