Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specified electrical sensor or system
Patent
1979-12-20
1981-06-30
Ruehl, Charles A.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specified electrical sensor or system
33125A, 356 32, G01B 1116
Patent
active
042755999
ABSTRACT:
A sensor for measuring dynamic variations in axial strain in a cable wherein a light source is positioned intermediate a pair of light detectors. The sensor is capable of sensing the effects of dynamic axial tensile and compressive forces in the cable over a wide range of frequencies.
REFERENCES:
patent: 3229511 (1966-01-01), Rossire
patent: 3662596 (1972-05-01), Siefert
patent: 3850035 (1974-11-01), Seabury, Jr.
patent: 3864953 (1975-02-01), Fletcher et al.
patent: 3871217 (1975-03-01), Miley
patent: 3913563 (1975-10-01), Ball
patent: 4158962 (1979-06-01), Conoval
Chang George Q.
Estrada John A.
Kirkpatrick Craig G.
Kohlenberger Charles W.
Friedman Gilbert H.
Hamann H. Fredrick
Rockwell International Corporation
Ruehl Charles A.
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