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.
Patent No.:
Date of Patent:
Jun. 09, 2026
Filed:
Aug. 28, 2020
Ford Global Technologies, Llc, Dearborn, MI (US);
Sathyanaraya Chary Palakonda, Novi, MI (US);
Krishna Bandi, Farmington Hills, MI (US);
Allen R. Murray, Lake Orion, MI (US);
Ivan Vukovic, Birmingham, MI (US);
Syed Amaar Ahmad, Canton, MI (US);
Jovan Milivoje Zagajac, Ann Arbor, MI (US);
FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US);
Abstract
A toll advertisement message (TAM) broadcast from a roadside unit of a roadway is received. The TAM may include a public key of a toll charger cloud. Responsive to receipt of the TAM, a tolling usage message (TUM) is sent. The TUM may include information encrypted with a public key of a toll service provider, information encrypted with the public key of the toll charger cloud, and a public key of the telematics control unit. Responsive to broadcast of the TUM, a toll usage message acknowledgement (TUM-ACK message. A toll receipt message (TRM) is also received. The TRM is encrypted with the public key of the telematics control unit. The TRM is decrypted using a private key of the telematics control unit corresponding to the public key of the telematics control unit.