Response timing

• US 20040006773A1
• Filed: 03/07/2003
• Published: 01/08/2004
• Est. Priority Date: 03/07/2002
• Status: Active Grant

• Current Assignee: UPC Broadband Operations BV
• Original Assignee: Chello Broadband NV
• Inventors: Van Noetsele, Robert
• Granted Patent: US 9,003,471 B2
• Time in Patent Office: Days
• US Class Current: 725/136
• CPC Class Codes: H04N 7/163 by receiver means only

Abstract

A method for transmitting a message in an interactive television system, comprising receiving at a receiver unit a video stream including video data and a timing stream indicative of the timing of the video data; receiving at the receiver unit an instruction from a user to transmit a message from the receiver unit and in response to the instruction forming the message so as to include a timing indication based on current data from the timing stream; and transmitting the message from the receiver unit.

Claims