Patent · US Expired

USB hub power management

US6541879B1 · kind B1 · utility

63Cited by
26References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 23, 2001
Grant dateApr 1, 2003
Priority date
Expiry dateMar 23, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J1/102
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An apparatus including a controller, a voltage supply circuit and a power management circuit. The controller may include one or more ports. The voltage supply circuit may be configured to generate an unregulated voltage supply. The power management circuit may be configured to receive the unregulated voltage supply and present a regulated power supply voltage to each of the one or more ports. In one example, the apparatus may be implemented in a Universal Serial Bus (USB) hub.

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