PARAMETRIC LOUDSPEAKER SYSTEM FOR PRE-ENCODED SIGNAL PLAYBACK

Details for Australian Patent Application No. 2002306653 (hide)

Owner AMERICAN TECHNOLOGY CORPORATION

Inventors CROFT, Jmes, J., III; NORRIS, Joseph, O.

Pub. Number AU-A-2002306653

PCT Number PCT/US02/06724

PCT Pub. Number WO2003/079572

Priority 10/091,950 04.03.02 US

Filing date 5 March 2002

Wipo publication date 29 September 2003

International Classifications

H04B 003/00 Line transmission systems

H04R 003/00 Circuits for transducers

G06F 017/00 Digital computing or data processing equipment or methods, specially adapted for specific functions

H04B 011/00 Transmission systems employing ultrasonic, sonic or infrasonic waves

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 10/091,950 04.03.02 US

6 November 2003 Application Open to Public Inspection

  Published as AU-A-2002306653

18 November 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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