1
Hiroharu Hirata: IC card reader/writer having a short-circuit detection capability. Oki Electric, Spencer & Frank, July 23, 1991: US05034599 (11 worldwide citation)

An IC card reader/writer has a short-circuit detector for determining, when an IC card is inserted in the reader/writer, whether or not any of connecting terminals for feeding a current to the IC card is short-circuited, and producing a resultant signal representative of the result of determination. ...


2
Hirata Hiroharu Oki Electric I: Ic card reader/ writer having a short-circuit detection capability.. Oki Electric, April 18, 1990: EP0363871-A2 (11 worldwide citation)

An IC card reader/writer has a short-circuit detecting (54, 56) for determining, when an IC card (40) is inserted in the reader/writer, whether or not any of connecting terminal (51d, 51f) for feeding a current to the IC card (40) is short-circuited, and producing a resultant signal representative o ...


3
Hirata Hiroharu: Lecteur-enregistreur a detection des courts-circuits pour cartes a circuit integre, Ic card reader/writer having a short-circuit detection capability. Oki Electric Industry, FETHERSTONHAUGH & CO, July 6, 1993: CA1319987

ABSTRACT OF THE DISCLOSURE An IC card reader/writer has a short-circuit detector fordetermining, when an IC card is inserted in the reader/writer,whether or not any of connecting terminals for feeding a current tothe IC card is short-circuited, and producing a resultant signalrepresentative of the r ...