WELL ACOUSTIC TRANSDUCER Russian patent published in 1994 - IPC

Abstract RU 2012020 C1

FIELD: geophysical testing. SUBSTANCE: piezoceramic element made in form of longitudinal-polarized tube has signal electrode disposed in oscillation nodal point. Casing is filled with liquid. Length of the casing is equal to wavelength at lowest frequency of the signal to be received or it is more than quarter of the wavelength. EFFECT: precision. 2 dwg

Similar patents RU2012020C1

Title	Year	Author	Number
SONIC ENERGY ROD TRANSDUCER	2002	Kalinin O.B. Nosov V.N. Rodzjanko E.D.	RU2230615C1
ACOUSTIC TRANSDUCER	0	Nosov Vladimir Nikolaevich	SU1402991A1
ACOUSTIC RADIATOR	0	Nosov Vladimir Nikolaevich Vinogradov Viktor Alekseevich	SU1170395A1
ACOUSTIC CONVERTER	0	Nosov Vladimir Nikolaevich	SU1045189A1
ACOUSTIC TRANSDUCER	0	Nosov Vladimir Nikolaevich	SU1376054A1
ACOUSTIC CONVERTER	0	Nosov Vladimir Nikolaevich Makarov Vladimir Nikolaevich Vinogradov Viktor Alekseevich Safin Vil Goteevich	SU873183A1
DEEP-WELL SOUND RECEIVER	0	Nosov Vladimir Nikolaevich Yamshchikov Valerij Sergeevich Shkuratnik Vladimir Lazarevich Vigdorchik Mikhail Darevich	SU819337A1
PIEZOELECTRIC TRANSDUCER	1998	Orentlikherman I.A. Rejner V.V. Ljubimov V.A.	RU2134436C1
GROUND-SURFACE SEISMOPROFILOGRAPH	0	Nosov Vladimir Nikolaevich	SU1396110A1
ELECTROMECHANICAL CONVERTER FOR ACOUSTIC COMMUNICATION CHANNEL	2004	Beljakov Nikolaj Viktorovich Kodanev Valerij Prokof'Evich Sizov Ivan Ivanovich	RU2276725C2

RU 2 012 020 C1

Authors

Nosov V.N.

Nosova Z.P.

Kolesnichenko A.T.

Dates

1994-04-30—Published

1990-11-29—Filed