ELECTRONICALLY CONTROLLED SIREN
An electronically controlled motor driven siren. The siren is electronically controlled to generate different sound profiles, while having advantages of a motor driven mechanical siren. In some embodiments, the siren is part of a system of multiple sirens. The phases of the rotors of the sirens of t...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
13.07.2023
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Subjects | |
Online Access | Get full text |
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