US3309655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic diagnostic vibration transducer
Assignee: Transformatoren und Roentgenwerk GmbH
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Filing: 1965-08-25
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Granted: 1967-03-14
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Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Ardenne Manfred Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/004; A; A61; A61B; A61B8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN A DIAGNOSTIC TESTING APPARATUS, THE COMBINATION COMPRISING A CONVERGENCE-TYPE TRANSDUCER ADAPTED TO EMIT AND RECEIVE ULTRASONIC PULSES AND HAVING A FOCAL POINT, A GASEOUS MEDIUM ADJACENT THE CONVEX SURFACE OF SAID TRANSDUCER AND A LIQUID MEDIUM ADJACENT THE CONCAVE SURFACE THEREOF, A CONVERGENCE-TYPE LENS SPACED APART FROM SAID TRANSDUCER, ADAPTED TO PASS SAID ULTRASONIC PULSES IN EITHER DIRECTION AND ALSO HAVING A FOCAL POINT, AND A DIAPHRAGM SUBSTANTIALLY MIDWAY BETWEEN SAID TRANSDUCER AND SAID LENS, AND HAVING AN APERTURE COINCIDING WITH SAID FOCAL POINT OF THE TRANSDUCER, SAID LENS BEING ADAPTED BOTH TO PROJECT SAID APERTURE ONTO A PREDETERMINED OBJECT AREA TO BE DIAGNOSED AT ITS FOCAL POINT, AND TO RETURN ECHOES OF SAID ULTRASONIC PULSES TO SAID DIAPHARGM AND TO AID TRANSDUCER, WHICH ARE REFLECTED FROM SAID FOCAL POINT OF THE LENS, AN ELONGATED, SUBSTANTIALLY CYLINDRICAL HOUSING, AN ANNULAR HOLDING MEMBER CLOSED TO ONE END OF SAID HOUSING FOR MOUNTING SAID TRANSDUCER, AND MEANS ATTACHED TO SAID HOLDING MEMBER FOR MOUNTING SAID DIAPHRAGM AND SAID LENS WITH FREEDOM OF INDIVIDUAL ADJUSTMENT WITH RESPECT TO SAID TRANSDUCER.
Claim 2
Dependent Claim
178 words
IN A DIAGNOSTIC TESTING APPARATUS, THE COMBINATION COMPRISING A CONVERGENCE-TYPE TRANSDUCER ADAPTED TO EMIT AND RECEIVE ULTRASONIC PULSES AND HAVING A FOCAL POINT, A GASEOUS MEDIUM ADJACENT THE CONVEX SURFACE OF SAID TRANSDUCER AND A LIQUID MEDIUM ADJACENT THE CONCAVE SURFACE THEREOF, A CONVERGENCE-TYPE LENS SPACED APART FROM SAID TRANSDUCER, ADAPTED TO PASS SAID ULTRASONIC PULSES IN EITHER DIRECTION AND ALSO HAVING A FOCAL POINT, AND A DIAPHRAGM SUBSTANTIALLY MIDWAY BETWEEN SAID TRANSDUCER AND SAID LENS, AND HAVING AN APERTURE COINCIDING WITH SAID FOCAL POINT OF THE TRANSDUCER, SAID LENS BEING ADAPTED BOTH TO PROJECT SAID APERTURE ONTO A PREDETERMINED OBJECT AREA TO BE DIAGNOSED AT ITS FOCAL POINT, AND TO RETURN ECHOES OF SAID ULTRASONIC PULSES TO SAID DIAPHARGM AND TO AID TRANSDUCER, WHICH ARE REFLECTED FROM SAID FOCAL POINT OF THE LENS, AN ELONGATED, SUBSTANTIALLY CYLINDRICAL HOUSING, AN ANNULAR HOLDING MEMBER CLOSED TO ONE END OF SAID HOUSING FOR MOUNTING SAID TRANSDUCER, AND MEANS ATTACHED TO SAID HOLDING MEMBER FOR MOUNTING SAID DIAPHRAGM AND SAID LENS WITH FREEDOM OF INDIVIDUAL ADJUSTMENT WITH RESPECT TO SAID TRANSDUCER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |