Patent · US Expired

System for switching between a plurality of clock sources upon detection of phase alignment thereof and disabling all other clock sources

US5381542A · kind A · utility

20Cited by
8References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 29, 1991
Grant dateJan 10, 1995
Priority date
Expiry dateJul 29, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L7/0083
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Systems allowing smooth, trouble-free, "transparent" switchover from a "Primary clock" to a "Secondary clock", with no loss of clock or essential pulse-width, and where the "Secondary clock" may be completely separate from, and independent of, the "Primary clock."

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