Messaging protocol for interactive delivery system
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United States of America Patent
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Dec 5, 2006
Issued Date -
N/A
app pub date -
Nov 8, 2000
filing date -
Nov 8, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Efficient messaging techniques that facilitate interactive program guide (IPG) delivery and allow a terminal to specifically designate requested items of information from a server. The IPG can be provided via a number of IPG pages, with each page including a number of defined regions. In one method, selection for a particular region of a particular page is received at a terminal and a determination is made whether the selected region is currently received. If the answer is no, a request for the selected region is generated and sent to a server. The request can conform to a particular message format that includes a number of fields, e.g., a region ID field that identifies the selected region, a subtype field that identifies a particular type, a time slot field that identifies a specific time slot, and a page offset field that identifies a specific page from among many.
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