Impact detectors

Details Impact detectors Impact detectors

1989-04-10

1990-06-12

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310321, 310324, 340674, H01L 4108

Patent

active

049335898

ABSTRACT:
An impact detector for use with a grain loss monitor of a harvesting machine includes a damped detector plate member and a transducer associated with a surface of said detector plate member. The detector plate member is provided with signal damping means only around its periphery, whereby a substantial area of the detector plate member is delimited which is void of any signal damping means.

REFERENCES:
patent: 3808364 (1974-04-01), Veith
patent: 4004289 (1977-01-01), Kirk
patent: 4048454 (1977-09-01), Barcus et al.
patent: 4061934 (1977-12-01), Rowe
patent: 4079362 (1978-03-01), Grimm et al.
patent: 4401909 (1983-08-01), Gorsek
patent: 4527105 (1985-07-01), Shiraishi
patent: 4705981 (1987-11-01), Inoue et al.
patent: 4835435 (1989-05-01), Yeung et al.

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