Patent · US Expired

Clock frequency control method and electronic apparatus

US7228445B2 · kind B2 · utility

2Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 2003
Grant dateJun 5, 2007
Priority date
Expiry dateNov 30, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D10/00
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An electronic apparatus includes a clock oscillator which supplies a clock signal, a processor which generates an internal clock on the basis of the clock signal supplied from the clock oscillator, and a control unit which controls a frequency of the internal clock in accordance with a ratio of an executable instruction count per unit time to a clock count per unit time of the internal clock generated by the processor.

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