PULSE WIDTH MODULATION TYPE AUDIO AMPLIFIER HAVING VARIABLE AVERAGE SWITCHING FREQUENCY

Details for Australian Patent Application No. 2002324350 (hide)

Owner PULSUS TECHNOLOGIES

Inventors CHO, Yong-Hun; KIM, Boon-Joo

Pub. Number AU-A-2002324350

PCT Number PCT/KR02/01556

PCT Pub. Number WO2003/017469

Priority 2001/49661 17.08.01 KR

Filing date 16 August 2002

Wipo publication date 3 March 2003

International Classifications

H03F 003/217 Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements

H02P 007/00 Arrangements for regulating or controlling the speed or torque of electric dc-motors

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 2001/49661 17.08.01 KR

29 May 2003 Application Open to Public Inspection

  Published as AU-A-2002324350

6 May 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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