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:
Jul. 10, 2018

Filed:

Dec. 13, 2017
Applicant:

Dish Technologies L.l.c., Englewood, CO (US);

Inventors:

David Innes, Littleton, CO (US);

William Michael Beals, Englewood, CO (US);

David Kummer, Highlands Ranch, CO (US);

Assignee:

DISH Technologies L.L.C., Englewood, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 21/438 (2011.01); H04N 21/426 (2011.01); H04N 21/4623 (2011.01); H04N 21/418 (2011.01); H04N 21/254 (2011.01); H04N 21/4627 (2011.01); H04N 21/61 (2011.01); H04N 21/6334 (2011.01);
U.S. Cl.
CPC ...
H04N 21/4384 (2013.01); H04N 21/2541 (2013.01); H04N 21/4181 (2013.01); H04N 21/4263 (2013.01); H04N 21/42623 (2013.01); H04N 21/4623 (2013.01); H04N 21/4627 (2013.01); H04N 21/6143 (2013.01); H04N 21/6334 (2013.01);
Abstract

Various arrangements are presented for reducing channel change times. A first tuner of a television receiver may tune to a decryption key transponder stream. The decryption key transponder stream may include a plurality of decryption keys for a plurality of television channels that are transmitted to the television receiver via a plurality of transponder streams. A second tuner of the television receiver may be tuned to a media transponder stream to receive a television channel. Data obtained from the decryption key transponder stream may be used for decoding the television channel.


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