Measuring and testing – Vibration – Sensing apparatus
Patent
1983-02-22
1984-11-13
Gill, James J.
Measuring and testing
Vibration
Sensing apparatus
73658, 343 177, G01H 900
Patent
active
044818254
ABSTRACT:
A device for measurement of vibrations comprises a microwave generator whose energy is transmitted through an antenna system to an object being investigated, reflected therefrom and fed to a detector through an antenna system, said detector also receiving energy of high-frequency reference oscillations. The antenna system comprises an elliptical mirror, in the first focal point of which, near the mirror, there is mounted a radiator irradiating the entire surface of said mirror, while the object being investigated is located in the immediate vicinity of the second focal point, which is remote from the mirror.
REFERENCES:
patent: 2550700 (1951-05-01), Lancor et al.
patent: 3199103 (1965-08-01), Augustine
"Measurement of Vibrations and Linear Displacements . . . " by Namitokov et al. from Measuring Instruments, No. 5, 1960, Journal of the State Committee for Standards . . . Council of Ministers, USSR.
"Journal of the Acoustic Society of America" vol. 30, No. 7 Jul. 1958, pp. 644-645, "Proposed Massless Remote Vibration Pickup" by Stewart.
Degterev Alexandr P.
Demidov Vladimir V.
Filimonov, deceased Anatoly N.
Kljuev Vladimir V.
Kozlov Valery P.
Gill James J.
Nauchno-Issledovatelsky Institut Introskopii
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