The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 05, 2006

Filed:

Jun. 16, 2000
Applicants:

Eric C. Hannah, Pebble Beach, CA (US);

Benjamin M. Cahill, Iii, Ringoes, NJ (US);

Inventors:

Eric C. Hannah, Pebble Beach, CA (US);

Benjamin M. Cahill, III, Ringoes, NJ (US);

Assignee:

Intel California, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2006.01); H04N 9/45 (2006.01);
U.S. Cl.
CPC ...
Abstract

A digitally encrypted audio signal may be transmitted with an analog television signal. Access to the analog television video signal may be controlled by using graphics overlay techniques. The use of digital encryption techniques on the audio channel prevents improper interception.


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