Wireless communication with non-networked controllers
US11171777B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2019 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Dec 22, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/069
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A computer-implemented method and system for controlling remote access to a computer system is disclosed. A method includes generating a secret value at a first computer system; sharing the secret value with associated computer systems; choosing a time length for validity; computing a derived key based on the secret value; and controlling remote access to the computer system based on the derived key and a unique identifier associated with the first computer system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.