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2 089 897

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C1

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IPC

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Application

94042353/28, 1994-11-29

(22)

Actual filing date

1994-11-29

(45)

Published

1997-09-10

(72)

Inventor

Morozov S.A.Kovtun S.N.Uralets A.Ju.Smirnov V.V.Jarovikov V.I.

(73)

Holder

Filial Aktsionernogol Obshchestva

PIEZOELECTRIC CONVERTER OF ACOUSTIC EMISSION Russian patent published in 1997 - IPC

Abstract RU 2089897 C1

FIELD: nondestructive testing. SUBSTANCE: object 10 sends mechanical waves passing through base 2 and causing deformation of piezoelement 5. Electric signal picked off of electrodes of piezoelement 5 is transmitted through matching transformer 7 which matches output impedance of piezoelement 5 to input impedance of cable 9. Transformer 8 is used to match impedance of cable 9 to input resistance of amplifying- converting equipment. EFFECT: improved functional reliability of converter. 7 cl, 2 dwg

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RU 2 089 897 C1

Authors

Morozov S.A.

Kovtun S.N.

Uralets A.Ju.

Smirnov V.V.

Jarovikov V.I.

Dates

1997-09-10—Published

1994-11-29—Filed

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