Electrically-energized horn
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United States of America Patent
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-
Jan 12, 1982
Grant Date -
N/A
app pub date -
Jan 15, 1980
filing date -
Jan 15, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrically-energized horn is provided which is particularly suited for use in fire alarm and burglar alarm systems, and which includes a built-in solid state electronic drive circuit including a timer network for de-energizing the horn a predetermined time after it has been activated.
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Cited Art Landscape
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