Watermark communication and control systems

a technology of applied in the field of watermark communication and control system, can solve problems such as the inability to find widespread acceptance of technology

Inactive Publication Date: 2010-12-23
RODRIGUEZ TONY F
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To date, the technology has not found widespread acceptance.
In part, this has been due to incompatibilities between television systems, such as NTSC and PAL.

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0010]One emerging standard used in advanced television systems (and certain set top boxes) is known as ATVEF (Advanced Television Enhancement Forum—see the web site at the world wide web domain atvef.com; excerpts from this site were published in US 2002-0066111 A1). Through this standard, video content can produced once (using a variety of different tools), and can thereafter be distributed and displayed in a variety of environments (e.g., analog & digital, cable, satellite, distribution; display using STBs, digital TVs, analog TVs, PCs, PDAs, etc.). ATVEF is built on a number of other standards, including HTML 4.0, EcmaScript 1.1, and Multicast IP. In more technical jargon, ATVEF is a declarative content specification with scripting.

[0011]Several familiar broadcast programs already employ this technology, including Wheel of Fortune, and Jeopardy, to enhance the viewer experience. The recently-introduced AOL-TV is based on ATVEF-compliant technology.

[0012]At the consumer premises,...

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PUM

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Abstract

An enhanced television system (e.g., ATVEF-based) conveys enhancement data using an in-band, video watermark, channel. The system desirably is implemented using a layered architecture, so that the watermark nature of the communications channel is transparent to other layers that employ the enhancement data. Due to the in-picture nature of the communications channel, systems employing the detailed technology are not subject to some of the compatibility issues that are present with prior art techniques.

Description

RELATED APPLICATION DATA[0001]This patent application is a continuation of U.S. patent application Ser. No. 10 / 002,225, filed Nov. 20, 2001 (published as US 2002-0066111 A1), which claims priority to U.S. Provisional Patent Application No. 60 / 252,939, filed Nov. 22, 2000. The above patent documents are hereby incorporated by reference in their entirety.FIELD OF THE INVENTION[0002]The present invention relates to use of watermarks to convey data to electronic systems, and is particularly illustrated in the context of enhanced television systems.BACKGROUND AND SUMMARY OF THE INVENTION[0003]Interactive television—a convergence between television and computers—has been heralded for a decade or more. To date, the technology has not found widespread acceptance. In part, this has been due to incompatibilities between television systems, such as NTSC and PAL.[0004]One key component of interactive TV systems is a data channel to accompany the video. Numerous techniques have been proposed—the...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06K9/00G06T1/00H04N7/08H04N7/24H04N7/26H04N21/2389H04N21/443H04N21/8358H04N21/858
CPCG06T1/0085H04N7/08H04N21/23892H04N19/467H04N21/8358H04N21/858H04N21/443
Inventor RODRIGUEZ, TONY F.
Owner RODRIGUEZ TONY F
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