Driving method and driving apparatus of permanent magnet synchronous motor for extending flux weakening region

Details for Australian Patent Application No. 2003259571 (hide)

Owner Matsushita Electric Industrial Co., Ltd.

Inventors Saha, Subrata; Hamaoka, Koji; Tanaka, Hidehisa; Narazaki, Kazushige; Unehara, Shunsuke

Pub. Number AU-A-2003259571

PCT Number PCT/JP03/11337

PCT Pub. Number WO2005/025050

Filing date 5 September 2003

Wipo publication date 29 March 2005

International Classifications

H02P 006/18 Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position

H02P 008/00 Arrangements for controlling dynamo-electric motors rotating step by step

Event Publications

13 November 2003 Complete Application Filed

25 August 2005 Application Open to Public Inspection

  Published as AU-A-2003259571

25 May 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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