The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 04, 2025

Filed:

Dec. 22, 2022
Applicant:

Federal Signal Corporation, Oak Brook, IL (US);

Inventors:

Vincent S. Fleszewski, Crown Point, IN (US);

Robert J. Hartke, Beecher, IL (US);

Jeffery M. Loftus, Tinley Park, IL (US);

Christopher Radzik, New Lenox, IL (US);

Assignee:

FEDERAL SIGNAL CORPORATION, Downers Grove, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q 1/34 (2006.01); B60Q 1/26 (2006.01);
U.S. Cl.
CPC ...
B60Q 1/346 (2013.01); B60Q 1/2611 (2013.01);
Abstract

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.


Find Patent Forward Citations

Loading…