Device and method for secure communication based on quantum cryptography
US12074969B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2021 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Jan 8, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transmitter device for a secure communication based on quantum cryptography, the transmitter device comprises a transmitter optical communication module for transmitting light pulses from the transmitter device to a receiver device, and the transmitter optical communication module enables exchange of a quantum key between the transmitter device and the receiver device. The transmitter device comprises transmitter data communication module for exchanging data between the transmitter device and the receiver device, the data is encrypted by the quantum key thereby ensuring a secure communication between the transmitter device and the receiver device. The transmitter device further contains a status display on a front side of the transmitter device for displaying status of the secure communication between the transmitter device and the receiver device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.