DIGITAL PWM INPUT D CLASS AMPLIFIER BY PWM NEGATIVE FEEDBACK

Details for Australian Patent Application No. 2002332357 (hide)

Owner DIGITAL AND ANALOG CO., LTD YI, Seung-Mok

Inventors CHO, Bo-Hyung; PARK, Jong-Hu; JEONG, Jae-Hoon; KIM, Chang-Gyun; CHO, Goog-Chun

Pub. Number AU-A-2002332357

PCT Number PCT/KR02/01817

PCT Pub. Number WO2003/067753

Priority 2002/6417 05.02.02 KR

Filing date 27 September 2002

Wipo publication date 2 September 2003

International Classifications

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

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 2002/6417 05.02.02 KR

25 September 2003 Application Open to Public Inspection

  Published as AU-A-2002332357

21 October 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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