Secure access systems and methods utilizing two access cards

Details Secure access systems and methods utilizing two access cards Secure access systems and methods utilizing two access cards

1995-01-20

1997-09-09

Tarcza, Thomas H.

Cryptography

Cryptanalysis

380 16, 380 20, 380 21, 380 25, 395186, 34082531, 235382, H04L 900, H04N 7167, G06F 704

Patent

active

056664125

ABSTRACT:
A CATV system including a CATV network and apparatus for transmitting over the CATV network information to a multiplicity of subscriber units, each including a CATV decoder and an IC card reader and writer coupled to the CATV decoder, the IC card reader and writer includes two separate IC card receptacles, such that IC cards inserted into the two separate IC card receptacles are separately accessed by the IC card reader and writer.

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