Digital television translator with PSIP update
0 Assignments
0 Petitions
Accused Products
Abstract
A digital television translator includes a digital television receiver for receiving a first digital television signal at a first frequency and generating a digital transport stream from the first digital television signal. The digital transport stream can include original Program and System Information (PSIP) data having RX channel data that is indicative of the first frequency, the first major channel number, and/or the first minor channel number. The digital television translator also includes a PSIP update module for updating the original PSIP data in the digital transport stream by replacing the RX channel data with TX channel data. The TX data is indicative of a second frequency, a second major channel number, and/or a second minor channel number. The digital television translator further includes a digital television modulator for converting the digital transport stream having the updated PSIP data into a second digital television signal at the second frequency, where the second frequency can be the same or different from the first frequency.
-
Citations
76 Claims
-
1-50. -50. (canceled).
-
51. A digital television translator, comprising:
-
a digital television receiver for receiving a first digital television signal and generating a digital transport stream from the first digital television signal, the digital transport stream including original PSIP data having RX channel data, the RX channel data being associated with the first digital television signal and including a VCT;
a PSIP update module for updating the original PSIP data in the digital transport stream by replacing the RX channel data with TX channel data, the TX channel data being associated with a second digital television signal and including an updated VCT; and
a digital television modulator for converting the digital transport stream having the updated PSIP data into the second digital television signal. - View Dependent Claims (52, 53, 54, 55, 56, 57)
-
-
58. An information distribution network using digital television transmission, the information distribution network comprising:
a plurality of digital television transmission nodes including a main digital television signal source for generating a main digital television signal; and
a plurality of digital television translators receiving a digital television signal from one of the plurality of digital television nodes, at least one of said plurality of digital television translators including a digital television receiver for receiving the digital television signal from one of the plurality of digital television nodes and generating a digital transport stream from the received digital television signal, the digital transport stream including original ancillary data and original PSIP data having RX data, the RX channel data being associated with the received digital television signal and including a VCT, a data update module for updating the original PSIP data in the digital transport stream by replacing the RX channel data with TX channel data and for replacing the original ancillary data in the digital transport stream with new ancillary data, the TX channel data being associated with a transmitted digital television signal and including an updated VCT, and a digital television modulator for converting the digital transport stream having the new ancillary data and the updated PSIP data into the transmitted digital television signal, wherein at least two of the plurality of digital television transmission nodes transmit at the same frequency and the total ancillary data of the information distribution network includes the new ancillary data from multiple digital television translators of the plurality of digital television translators. - View Dependent Claims (59, 60, 61, 62, 63)
-
64. A method of translating a digital television signal, comprising the steps of:
-
receiving a first digital television signal and generating a digital transport stream from the first digital television signal, the digital transport stream including original PSIP data having RX channel data, the RX channel data being associated with the first digital television signal and including a VCT;
updating the original PSIP data in the digital transport stream by replacing the RX channel data with TX channel data, the TX channel data being associated with a second digital television signal and including an updated VCT; and
converting the digital transport stream having the updated PSIP data into the second digital television signal. - View Dependent Claims (65, 66, 67, 68, 69, 70)
-
-
71. An information distribution method using digital television transmission and increasing data capacity through frequency re-use, comprising the steps of:
generating a plurality of digital television signals each from one of a plurality of digital television transmission nodes, further comprising the steps of generating a main digital television signal by one of the plurality of digital television transmission nodes; and
generating a plurality of translated digital television signals by the plurality of digital television transmission nodes, the generation of at least one of the plurality of translated digital television signals further comprising the steps of receiving a digital television signal from at least one of the digital television transmission nodes and generating a digital transport stream from the received digital television signal, the digital transport stream including original ancillary data and original PSIP data having RX channel data, the RX channel data being associated with the received digital television signal and including a VCT, updating the original PSIP data in the digital transport stream by replacing the RX channel data with TX channel data, the TX channel data being associated with a transmitted digital television signal and including an updated VCT, replacing the original ancillary data in the digital transport stream with new ancillary data, and converting the digital transport stream having the new ancillary data and the updated PSIP data into a transmitted digital television signal, wherein at least two of the plurality of translated digital television signals are transmitted at a same frequency and the total ancillary data of the information distribution network includes new ancillary data from multiple digital television translators of the plurality of digital television translators. - View Dependent Claims (72, 73, 74, 75, 76)
Specification