System for detecting failures in a loudspeaker assembly

Details System for detecting failures in a loudspeaker assembly System for detecting failures in a loudspeaker assembly

2006-05-09

2006-05-09

Pendleton, Brian T. (Department: 2644)

Electrical audio signal processing systems and devices

Monitoring/measuring of audio devices

C381S300000, C381S306000, C381S307000

Reexamination Certificate

active

07043027

ABSTRACT:
This invention is directed to a system and method for isolating a failure in a speaker system. This is accomplished by providing diagnostic processing circuitry, which directs specific test signal(s) to the speakers of a speaker system. The test signals may be designed to allow a user to directionally localize a sound source to determine if a particular speaker is functional. The test signals also may be designed so a user or listener may distinguish sound emanating from a low frequency driver such as a subwoofer versus other speakers. The diagnostic processing circuitry may be located in any of the individual speakers or other common components of a speaker system.

REFERENCES:
patent: 4852176 (1989-07-01), Truhe, Jr.
patent: 6052275 (2000-04-01), Joseph
patent: 6169806 (2001-01-01), Kimura et al.
patent: 2002/0193896 (2002-12-01), Bull

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