Method for sending computer network data as part of vertical bla

Details Method for sending computer network data as part of vertical bla Method for sending computer network data as part of vertical bla

1996-10-07

2000-03-14

Kostak, Victor R.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

348478, 39520049, H04N 7173

Patent

active

060379324

ABSTRACT:
A method for encoding a network data packet, such as an Internet Protocol (IP) data packet, into a format for transmission as part of the Vertical Blanking Interval (VBI) of a broadcast video signal is described. The method includes receiving a network data packet from a data network. The network data packet has a data block and header information. The network data packet is then encoded into a variable-length data group packet having a variable-length data block and header information. The network data packet is inserted in its entirety into the data block of the data group packet. In one implementation, the header information for the data group packet includes a 2-byte type header indicating a type of network data contained in the data block of the data group packet and a 6-byte reserved space header that is reserved for future definition by the developer. One potential use of the reserved space header is for a MAC address. In a second implementation, the header information for the data group packet consists of a conventional NABTS-defined record header. The variable-length data group packet is then encoded into one or more fixed-length VBI-compatible packets. Each VBI-compatible packet has the potential to store up to 28 bytes of data. The data group packet is partitioned and placed into the data blocks.

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