Fluid testing by acoustic wave energy
First Claim
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1. APPARATUS FOR TESTING LIQUID, SAID APPARATUS COMPRISING, A MEMBER HAVING A CAVITY FOR ENCLOSING SAID LIQUID;
- A FIRST TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE TO AN INPUT SIGNAL APPLIED TO SAID FIRST TRANSDUCER TO CREATE ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING SAID ACTIVE SURFACE;
A SECOND TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE IN ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING THE LAST SAID ACTIVE SURFACE TO CAUSE SAID SECOND TRANSDUCER TO PRODUCE AN OUTPUT SIGNAL REPRESENTATIVE OF THE LAST SAID ACOUSTICAL WAVE ENERGY;
SAID FIRST TRANSDUCER BEING MOUNTED WITH ITS SAID ACTIVE SURFACE IN CONTACT WITH SAID MEMBER, SUCH CONTACT BEING CONFINED TO A SUBSTANTIALLY ZERO-AREA, SUBSTANTIALLY RECTILINEAR REGION OF SAID MEMBER OUTSIDE OF SAID CAVITY;
SAID SECOND TRANSDUCER BEING MOUNTED WITH ITS SAID ACTIVE SURFACE IN CONTACT WITH SAID MEMBER;
MEANS FOR SUPPLYING SAID FIRST TRANSDUCER WITH SAID INPUT SIGNAL AT A FREQUENCY SUCH AS TO CREATE ACOUS-
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1 Claim
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1. APPARATUS FOR TESTING LIQUID, SAID APPARATUS COMPRISING, A MEMBER HAVING A CAVITY FOR ENCLOSING SAID LIQUID;
- A FIRST TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE TO AN INPUT SIGNAL APPLIED TO SAID FIRST TRANSDUCER TO CREATE ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING SAID ACTIVE SURFACE;
A SECOND TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE IN ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING THE LAST SAID ACTIVE SURFACE TO CAUSE SAID SECOND TRANSDUCER TO PRODUCE AN OUTPUT SIGNAL REPRESENTATIVE OF THE LAST SAID ACOUSTICAL WAVE ENERGY;
SAID FIRST TRANSDUCER BEING MOUNTED WITH ITS SAID ACTIVE SURFACE IN CONTACT WITH SAID MEMBER, SUCH CONTACT BEING CONFINED TO A SUBSTANTIALLY ZERO-AREA, SUBSTANTIALLY RECTILINEAR REGION OF SAID MEMBER OUTSIDE OF SAID CAVITY;
SAID SECOND TRANSDUCER BEING MOUNTED WITH ITS SAID ACTIVE SURFACE IN CONTACT WITH SAID MEMBER;
MEANS FOR SUPPLYING SAID FIRST TRANSDUCER WITH SAID INPUT SIGNAL AT A FREQUENCY SUCH AS TO CREATE ACOUS-
- A FIRST TRANSDUCER HAVING AN ACTIVE SURFACE RESPONSIVE TO AN INPUT SIGNAL APPLIED TO SAID FIRST TRANSDUCER TO CREATE ACOUSTICAL WAVE ENERGY IN MATTER CONTACTING SAID ACTIVE SURFACE;
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Current AssigneeCombustion Engineering Incorporated (ABB Limited)
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Original AssigneeCharles G. Heisig, Richard L. Mitchell
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InventorsHeisig, Charles G., Mitchell, Richard L.
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Application NumberUS04/295,496Time in Patent Office1,211 DaysField of SearchUS Class Current73/19.1CPC Class CodesG01N 29/032 by measuring attenuation of...
