Patent · US Expired

Driving control apparatus and driving control method

US6545389B1 · kind B1 · utility

5Cited by
10References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 2, 1998
Grant dateApr 8, 2003
Priority date
Expiry dateJun 2, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02N2/101
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A driving apparatus having a driving pulse generator including a high-speed electrifying circuit and a low-speed electrifying circuit connected to a transducer; and a controller which sets a low-speed electrification time to a first specified time, sets a time from a low-speed electrification start time to a high-speed electrification start time to a second specified time, makes the low-speed charging duration shorter than the first specified time during low-speed driving and makes a time period from a low-speed charging start time to a high-speed discharging start time shorter than the second specified time.

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