Proximity detection system with approach zone

US9761143B2 · kind B2 · utility

Assignee

• Strata Safety Products, LLC · US

Inventors

• Tom Michaud · Sandy Springs, US
• Michael Berube · Marietta, US
• Brian Dunkin · Sandy Springs, US
• David Hakins · Aldie, US
• Dwayne Towery · Sandy Springs, US
• Gary Herda · Decatur, US

Key dates

• Filing date: Aug 31, 2015
• Grant date: Sep 12, 2017
• Expiry date: Oct 9, 2035

Classification

• Technology area (CPC G): Physics
• CPC primary: G08G1/165
• WIPO field: Control
• WIPO sector: Instruments

Abstract

Collision avoidance systems and methods. In some embodiments the collision avoidance systems may include a magnetic field generator for generating a low frequency oscillating magnetic field, and a magnetic field detector, wherein the system is configured to determine a relative speed between the magnetic field generator and the detector using magnetic speed pings generated by the magnetic field generator. In other embodiments, the methods may include generating a low frequency oscillating magnetic field from a magnetic field generator, detecting the magnetic field from a magnetic field detector, and determining a relative speed between the magnetic field generator and the detector using magnetic speed pings generated by the magnetic field generator.