Title:
FORCE OR LOAD SENSORS
Document Type and Number:
WIPO Patent Application WO/1993/010428
Kind Code:
A1
Abstract:
A force or load sensor (21) having a vibratory beam (22) whose frquency of vibration varies in accordance with stress induced by an applied load. The sensor (21) includes end portions (24) for mounting the sensor (21) so as to accept the load, the end portions (24) having regions (26) which are fully clamped adjacent the beam (22) to prevent resonance beyond the beam (22). The sensor (21) may incorporate additional beams (27) to carry a proportion of the applied load.
Inventors:
GOODIER PETER THOMAS (AU)
Application Number:
PCT/AU1992/000607
Publication Date:
May 27, 1993
Filing Date:
November 12, 1992
Export Citation:
Assignee:
MASSTECH SCIENT PTY LTD (AU)
International Classes:
G01L1/10; (IPC1-7): G01L1/10
Domestic Patent References:
| WO1990003557A1 | 1990-04-05 | |||
| WO1990011499A1 | 1990-10-04 | |||
| WO1988000334A1 | 1988-01-14 |
Foreign References:
| US4658174A | 1987-04-14 | |||
| US4901586A | 1990-02-20 | |||
| US4656383A | 1987-04-07 | |||
| EP0052318A1 | 1982-05-26 | |||
| EP0030741A2 | 1981-06-24 | |||
| EP0316217A1 | 1989-05-17 | |||
| GB2141231A | 1984-12-12 | |||
| GB2128329A | 1984-04-26 | |||
| DE3142165A1 | 1982-07-29 |
Other References:
PATENT ABSTRACTS OF JAPAN, P-902, page 141; & JP,A,1 091 029 (SIEKO ELECTRONIC COMPONENTS LTD), 10 April 1989.
Attorney, Agent or Firm:
Gardner, John R. G. (Mudgeeraba, QLD 4213, AU)
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