Time authentication device, time authentication method, computer program, recording medium, integrated circuit, and time authentication system

A time authentication device capable of selecting only a correct timepiece whose way of time advancement measured by a timepiece of another device is within an allowable range determined with a timepiece of the time authentication device as the standard. In a distribution device (11) as a time authe...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	FUTA YUICHI,MATSUZAKI NATSUME,YAMAUCHI HIROKI,NAKANO TOSHIHISA
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CALCULATING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS SEALS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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