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.
Patent No.:
Date of Patent:
Aug. 25, 2009
Filed:
Apr. 04, 2003
Mauri Kangas, Paimio, FI;
Mauri Kangas, Paimio, FI;
Nokia Corporation, Espoo, FI;
Abstract
A digital video broadcasting receiver comprising a first input for receiving a first transport stream of data (TS#) and a second input for receiving a second transport stream of data (TS#), each transport stream comprising a plurality of packets and each packets having a header including a packet identifier PID. A de-scrambling device () receives packets of a transport stream for de-scrambling. A router () is arranged to pass packets alternately from the first TS#and the second TS#transport streams to the de-scrambling deviceand to pass packets alternately to a first a second output, so restoring the first and second transport streams of data in a descrambled form.