Electronically controlled siren

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12240375
APP PUB NO 20230219492A1
SERIAL NO

18145268

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Abstract

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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 the system can be electronically controlled to generate different multi-siren combined sound profiles.

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Patent Owner(s)

  • FEDERAL SIGNAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fleszewski, Vincent S Crown Point, US 8 36
Hartke, Robert J Beecher, US 4 10
Loftus, Jeffery M Tinley Park, US 6 21
Radzik, Christopher New Lenox, US 6 18

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