IMPEDANCE MEASURING CIRCUIT AND CAPACITANCE MEASURING CIRCUIT

Details for Australian Patent Application No. 2002332151 (hide)

Owner SUMITOMO METAL INDUSTRIES, LTD. HOKUTO ELECTRONICS, INC.

Inventors YAKABE, Masami; MATSUMOTO, Toshiyuki; NAKANO, Koichi; IKEUCHI, Naoki

Pub. Number AU-A-2002332151

PCT Number PCT/JP02/09136

PCT Pub. Number WO2003/023419

Priority 2001-269991 06.09.01 JP

Filing date 6 September 2002

Wipo publication date 24 March 2003

International Classifications

H04R 003/06 Circuits for transducers

G01N 027/22 Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means - by investigating capacitance

G01D 005/24 Mechanical means for transferring the output of a sensing member

G01R 027/26 Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom - Measuring inductance or capacitance

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 2001-269991 06.09.01 JP

19 June 2003 Application Open to Public Inspection

  Published as AU-A-2002332151

10 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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