Patent · US Active

Hardware clock with built-in accuracy check

US11588609B2 · kind B2 · utility

1Cited by

54References

21Claims

0Family size

Assignee

MELLANOX TECHNOLOGIES, LTD. · IL

Inventors

Liron Mula · Ramat Gan, IL
Dotan David Levi · Kiryat Motzkin, IL
Ariel Almog · Kochav Yair Tzur Yigal, IL

Key dates

Filing date	Jan 14, 2021
Grant date	Feb 21, 2023
Priority date	—
Expiry date	Jan 14, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH04J3/0667
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A network device includes one or more ports for connecting to a communication network, packet processing circuitry and clock circuitry. The packet processing circuitry is configured to communicate packets over the communication network via the ports. The clock circuitry includes a hardware clock configured to indicate a network time used for synchronizing network devices in the communication network, and a built-in accuracy test circuit configured to check an accuracy of the hardware clock.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.