System for downloading computer software programs

Details System for downloading computer software programs System for downloading computer software programs

1996-01-22

1998-08-04

Trammell, James P.

Multiplex communications

Wide area network

Packet switching

3952003, 370464, 348 7, 348461, 455 62, G06F 1516

Patent

active

057907536

ABSTRACT:
In a video-on-demand system, a disk-less set-top box is configured to download software programs from a video server via a network. The set-top box includes a read-only memory storing a boot program, a control protocol stack, and a video protocol stack. The control protocol stack is connected to a bidirectional control channel of a circuit of the network, and the video protocol stack is connected to a unidirectional video channel of the circuit. Using a handheld remote controller, a consumer makes a request for a software program from the video server. The request is made via the control protocol stack and the control channel. The video server transmits the software program as an encoded video transport stream, which is received via the video channel and the video protocol stack. The transport stream is decoded to reconstruct the requested program in a dynamic random access memory of the set-up box from where the program can be executed in a processor of the set-top box.

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patent: 5630757 (1997-05-01), Gagin et al.
patent: 5635979 (1997-06-01), Kostreski et al.
patent: 5640453 (1997-06-01), Schuchman et al.
"Final Text for ISO/IEC DIS 13818-1: Information Technology -Generic Coding of Moving Pictures and Associated Audio Information: Systems Attachment: Standards Organization accredited by JISC!), Date: 1994-06-13.

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