Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for authentication, by an outside medium, of a portable object connected to that medium via a transmission line and system for carrying out the process

Process for authentication, by an outside medium, of a portable object connected to that medium via a transmission line and system for carrying out the process

US Patent 5253295 · Granted Oct 12, 1993

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and system for writing information in a data carrier making it possible t1998
Method for checking the integrity of a program or data, and apparatus for implem1995
Method and apparatus for transmission of digital data1989
Process and apparatus for authenticating the signature of a signed message1987
Coding, detecting or correcting transmission error system1986
Method for certifying the origin of at least one item of information stored in t1985