Smartcard for use with a receiver of encrypted broadcast...

Details Smartcard for use with a receiver of encrypted broadcast... Smartcard for use with a receiver of encrypted broadcast...

2006-05-09

2006-05-09

Zand, Kambiz (Department: 2132)

Cryptography

Video cryptography

Video electric signal modification

C380S201000, C380S205000, C380S210000, C380S217000, C380S233000, C380S239000, C380S037000, C713S163000, C713S167000, C713S172000

Reexamination Certificate

active

07043020

ABSTRACT:
A smartcard for use with a receiver of encrypted broadcast signals comprises a microprocessor for enabling or controlling decryption of said signals. A memory is coupled to the microprocessor. The microprocessor is adapted to enable or control the individual decryption of a plurality of such signals from respective broadcast suppliers of such signals by means of respective dynamically created zones in the memory, the dynamically created zones each being arranged to store decryption data associated with a respective one of said broadcast suppliers.

REFERENCES:
patent: 4833710 (1989-05-01), Hirashima
patent: 5144663 (1992-09-01), Kudelski et al.
patent: 0 679 029 (1995-10-01), None
patent: WO 96 06504 (1996-02-01), None
Copy of International Search Report from PCT Appl. No. PCT/EP97/02107, completed Nov. 12, 1997, 3 pages.
Taskett, J., “Smart Cards as a Replaceable Security Element for Television Delivery Access Control,”Proceedings from Eleven Technical Sessions of the Annual Convention and Exposition of the National Cable Television Association, San Francisco, CA, Jun. 6-9, 1993, vol. No. 42, Jun. 6, 1993, pp. 128-132.
Vigarie, J.P., “A Device for Real-Time Modification of Access Conditions in a D2-MAC/Packet Eurocrypt Signal: The Transcontroller,”Cable TV Sessions, Montreux, Switzerland, Jun. 10-15, 1993, vol. No. 18, Jun. 11, 1993,Fostes; Telephones at Telegraphes Suisses, pp. 761-769.

Affiliated with

Also associated with

Rating

Smartcard for use with a receiver of encrypted broadcast... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Smartcard for use with a receiver of encrypted broadcast..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Smartcard for use with a receiver of encrypted broadcast... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3646425