US 12,375,748 B2
Video processing system for demultiplexing received compressed and non-compressed video signals and transmitting demultiplexed signals
Nobuaki Kabuto, Kunitachi (JP); Akira Shibata, Fujisawa (JP); and Yoshiaki Mizuhashi, Yokohama (JP)
Assigned to Maxell, Ltd., Kyoto (JP)
Filed by Maxell, Ltd., Kyoto (JP)
Filed on Nov. 14, 2023, as Appl. No. 18/389,248.
Application 14/248,691 is a division of application No. 13/400,746, filed on Feb. 21, 2012, abandoned.
Application 18/389,248 is a continuation of application No. 17/682,236, filed on Feb. 28, 2022, granted, now 11,863,812.
Application 17/682,236 is a continuation of application No. 16/926,812, filed on Jul. 13, 2020, granted, now 11,297,375, issued on Apr. 5, 2022.
Application 16/926,812 is a continuation of application No. 15/873,256, filed on Jan. 17, 2018, granted, now 10,750,227, issued on Aug. 18, 2020.
Application 15/873,256 is a continuation of application No. 15/179,154, filed on Jun. 10, 2016, granted, now 9,906,828, issued on Feb. 27, 2018.
Application 15/179,154 is a continuation of application No. 14/248,691, filed on Apr. 9, 2014, granted, now 9,392,321, issued on Jul. 12, 2016.
Application 13/400,746 is a continuation of application No. 11/475,137, filed on Jun. 27, 2006, granted, now 8,130,794, issued on Mar. 6, 2012.
Claims priority of application No. 2005-185925 (JP), filed on Jun. 27, 2005.
Prior Publication US 2024/0080513 A1, Mar. 7, 2024
Int. Cl. H04N 5/765 (2006.01); H04N 7/088 (2006.01); H04N 21/41 (2011.01); H04N 21/4147 (2011.01); H04N 21/426 (2011.01); H04N 21/43 (2011.01); H04N 21/432 (2011.01); H04N 21/433 (2011.01); H04N 21/434 (2011.01); H04N 21/436 (2011.01); H04N 21/437 (2011.01); H04N 21/4385 (2011.01)
CPC H04N 21/42615 (2013.01) [H04N 7/088 (2013.01); H04N 21/4104 (2013.01); H04N 21/411 (2020.08); H04N 21/4122 (2013.01); H04N 21/4147 (2013.01); H04N 21/42623 (2013.01); H04N 21/4263 (2013.01); H04N 21/4307 (2013.01); H04N 21/43074 (2020.08); H04N 21/4325 (2013.01); H04N 21/4332 (2013.01); H04N 21/4334 (2013.01); H04N 21/4344 (2013.01); H04N 21/4347 (2013.01); H04N 21/4348 (2013.01); H04N 21/43615 (2013.01); H04N 21/437 (2013.01); H04N 21/4385 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a video receiver configured to receive digital video signals from an external video signal source;
a tuner configured to receive a digital broadcast signal; and
a display configured to display a video,
wherein:
the display apparatus has at least a first display mode, a second display mode, and a third display mode;
in the first display mode, the video receiver receives a first digital video signal encrypted by a first encryption scheme from the external video signal source, decrypts the received first digital video signal encrypted by the first encryption scheme, and the display (unit) displays a video based on the decrypted first digital video signal;
in the second display mode, the video receiver receives the second digital video signal encrypted by a second encryption scheme from the external video signal source, decrypts the received second digital video signal encrypted by the second encryption scheme, and the display (unit) displays a video based on the decrypted second digital video signal;
in the third display mode, the display displays a video based on the digital broadcast signal received by the tuner; and
wherein the first digital video signal is an uncompressed digital video signal, and the second digital video signal is a compressed digital video signal.