Data exchange between an electronic payment terminal and a maintenance tool over a usb connection

The invention relates to an electronic payment terminal (30) comprising a first USB connection port (13) comprising at least one first wire (D+″) for data transfer. The payment terminal comprises, furthermore, a first resistor (24) linking the first wire to a first source (VDD) of a first potential...

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Bibliographic Details
Main Authors ROLIN, CHRISTIAN, TESTU, DOMINIQUE
Format Patent
LanguageChinese
English
Published 01.08.2014
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention relates to an electronic payment terminal (30) comprising a first USB connection port (13) comprising at least one first wire (D+″) for data transfer. The payment terminal comprises, furthermore, a first resistor (24) linking the first wire to a first source (VDD) of a first potential and a switch (38) between the first wire and the first resistor or between the first resistor and the first source.
Bibliography:Application Number: TW200897137101