Metrology device with programmable smart card
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United States of America Patent
Stats
-
Jul 8, 2003
Grant Date -
N/A
app pub date -
Oct 9, 1998
filing date -
Oct 9, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A metrology device incorporates a programmable smart card. The smart card may be a Java programmable smart card and allows the metrology device to access Java applications and resources while still retaining independent control over its metrological functions. A smart card interface allows the smart card and metrological device to communicate with each other using the ISO 7816 protocol. The smart card may be external to the metrology device, or it may be fixedly installed in the metrology device. Java applications may be pre-loaded or downloaded on the smart card. The metrological device may select which applications to be run on the smart card. The smart card may have an enhanced operating system that includes various metrological functions as native functions. Alternatively, the metrological functions may be included as part of a Java class library which may be accessed by the operating system or Java applications.
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