Smoke detector with sound quality enhancement chamber

Details Smoke detector with sound quality enhancement chamber Smoke detector with sound quality enhancement chamber

2006-06-27

2006-06-27

Tweel, Jr., John (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S692000

Reexamination Certificate

active

07068176

ABSTRACT:
A smoke detector having a sound quality enhancement chamber for increasing the sound quality of alarms produced by a sound producing device in the smoke detector. In at least one embodiment, the sound quality enhancement chamber is formed by a housing and a plate such that the chamber is in communication with a sound producing device, which may be a speaker, for producing sounds, such as a human voice, with enhanced quality. The sound quality enhancement chamber acts as a spring and increases the quality of the sounds produced by the sound producing device of the smoke detector. In at least one embodiment, the sound quality enhancement chamber enables a smoke detector to emit a parent's voice that is clear and easily understandable.

REFERENCES:
patent: 4075614 (1978-02-01), White
patent: 4297538 (1981-10-01), Massa
patent: 4328486 (1982-05-01), Burnstein et al.
patent: 4963855 (1990-10-01), Kojima
patent: 5349338 (1994-09-01), Routman et al.
patent: 5396221 (1995-03-01), Bridges

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