METHODS FOR CONTROLLING APPARATUSES HAVING AN EMERGENCY ALERT FUNCTION

Title:

METHODS FOR CONTROLLING APPARATUSES HAVING AN EMERGENCY ALERT FUNCTION

Document Type and Number:

WIPO Patent Application WO2004092929

Kind Code:

A3

Abstract:

An apparatus (20) such as a television signal receiver, radio or other device provides an emergency alert function. According to an exemplary embodiment, the apparatus (20) includes a processor (27) operative to detect a first condition wherein signal strength on a selected channel frequency associated with the emergency alert function exceeds a predetermined threshold, and to detect a second condition wherein a broadcast test associated with said emergency alert function is passed. A visual indicator (30) is operative to provide a predetermined output if the first and second conditions are detected.

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Inventors:

KENDALL SCOTT ALLAN (US)
MERRELL JOHN DOUGLAS (US)
LINEBERRY ROGER LEE (US)
TULLY TIMOTHY JOSEPH (US)
SCHAFFER BRUCE WAYNE (US)
JOHNSTON GAVIN LEE (US)
SAHASRABUDHE RAJEEV MADHUKAR (US)

Application Number:

PCT/US2004/009712

Publication Date:

June 30, 2005

Filing Date:

March 30, 2004

Export Citation:

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Assignee:

THOMSON LICENSING SA (FR)
KENDALL SCOTT ALLAN (US)
MERRELL JOHN DOUGLAS (US)
LINEBERRY ROGER LEE (US)
TULLY TIMOTHY JOSEPH (US)
SCHAFFER BRUCE WAYNE (US)
JOHNSTON GAVIN LEE (US)
SAHASRABUDHE RAJEEV MADHUKAR (US)

International Classes:

G08B27/00; H04H20/59; H04H40/27; (IPC1-7): H04N7/025; H04N7/10

Foreign References:

US20030093789A1	2003-05-15
US20010016943A1	2001-08-23
US6543051B1	2003-04-01
US6498627B1	2002-12-24
US5760820A	1998-06-02

Other References: