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:
Jan. 28, 2025
Filed:
Feb. 08, 2021
Inventio Ag, Hergiswil, CH;
Claudio Colombano, Beckenried, CH;
INVENTIO AG, Hergiswil, CH;
Abstract
A method of operating a computer-controlled first device for establishing a secure data communication with a computer-controlled second device in a passenger transportation arrangement distributed control system includes: generating an encryption key including a public and private key pair; creating credentials (e.g. X.509 certificate) based on the generated encryption key; preparing a certificate signing request CSR and dispatching the CSR via a secured data communication path to a certificate authority CA that is based on a public key infrastructure PKI operated by the passenger transportation arrangement operator; receiving the certificate from the CA with a signature using a private key held secret by the operator; establishing the secure data communication with the second device by transmitting the credentials to the second device, wherein the second device accepts establishing the secure data communication upon verification of the signature of the credentials executed using a public key of the operator.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile