07106947 is referenced by 111 patents and cites 12 patents.

A digital video recorder (DVR) for use with a monitor and a set top box (STB) is disclosed. The STB demodulates program data by tuning to at least one of a plurality of channels and comprises a DVR interface. The DVR comprises a local memory for storing the program data received from the STB, and a STB interface for communicating with the DVR interface. The DVR further comprises a DVR controller for communicating control data to direct the STB to tune to a selected channel, and for receiving a channel-change event from the STB in connection with the STB changing the tuned channel.

Title
Communicating a channel-change event from a set top box to a digital video recorder
Application Number
9/960196
Publication Number
7106947 (B2)
Application Date
September 20, 2001
Publication Date
September 12, 2006
Inventor
William P Price
Santa Ana
CA, US
William B Boyle
Lake Forest
CA, US
Agent
Howard H Sheerin Esq
Jason T Evans Esq
Assignee
Keen Personal Media
CA, US
IPC
H04N 5/91
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