Personal date/time notary device

A personal data/time notary device is embodied in a token device such as a "smart card". The portable notary device includes an input/output (I/O) port, which is coupled to a single integrated circuit chip. The I/O port may be coupled to a conventional smart card reading device which in tu...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	Fischer, Addison M
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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