RESONANCE FREQUENCY SENSING METHOD, RESONANCE FREQUENCY SELECTING METHOD, AND RESONANCE FREQUENCY SENSOR

Details for Australian Patent Application No. 2003289257 (hide)

Owner TOA CORPORATION

Inventors HIGASHIHARA, Daisuke

Pub. Number AU-A-2003289257

PCT Number PCT/JP2003/0157

PCT Pub. Number WO2004/054316

Priority 2002-357124 09.12.02 JP; 2003-021558 30.01.03 JP

Filing date 9 December 2003

Wipo publication date 30 June 2004

International Classifications

H04R 003/02 Circuits for transducers - for preventing acoustic reaction

G01H 017/00 Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass

G10K 015/00 Acoustics not otherwise provided for

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 2002-357124 09.12.02 JP; 2003-021558 30.01.03 JP

5 August 2004 Application Open to Public Inspection

  Published as AU-A-2003289257

25 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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