Patent US3213675A successfully refreshed from Google Patents.
US3213675A
Expired / Lapsed
US
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Pulsed ultrasonic image converter
Assignee: General Electric Co
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Filing: 1961-04-21
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Granted: 1965-10-26
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Expires: 1981-04-21
Abstract
No abstract record available.
Inventors
- 👤 Richard G Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:57
CPC Classifications
G; G01; G01H; G01H3/00; G01H3/10; G01H3/12; G01H3/125; H; H01; H01J; H01J31/00; H01J31/08; H01J31/495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD OF ULTRASONIC TESTING WHICH COMPRISES, PERIODICALLY PASSING PERIODIC PULSES OF ULTRASONIC PRESSURE ENERGY IN A GIVEN DIRECTION THROUGH THE OBJECT TO BE TESTED, AND CONVERTING THE ULTRASONIC ENERGY PASSED THROUGH SAID OBJECT TO AN ELECTRICAL CHARGE WHICH IS CONTINUOUS OVER AN AREA PERPENDICULAR TO SAID DIRECTION TO PROVIDE AN INDICATION OF THE ULTRASONIC ENERGY PASSING THROUGH SAID OBJECT, DIRECTING A FLOOD OF ELECTRONS AT SUBSTANTIALLY ZERO VELOCITY AT AND CO-EXTENSIVE WITH SAID AREA, DIRECTING A FLOW OF ELECTRONS AT SAID AREA AND DETECTING THE ELECTRONS REFLECTED THEREFRON TO PROVIDE AN INDICATION OF THE ULTRASONIC ENERGY PASSING THROUGH SAID OBJECT.
Claim 2
Independent Claim
101 words
THE METHOD OF ULTRASONIC TESTING WHICH COMPRISES, PERIODICALLY PASSING PERIODIC PULSES OF ULTRASONIC PRESSURE ENERGY IN A GIVEN DIRECTION THROUGH THE OBJECT TO BE TESTED, AND CONVERTING THE ULTRASONIC ENERGY PASSED THROUGH SAID OBJECT TO AN ELECTRICAL CHARGE WHICH IS CONTINUOUS OVER AN AREA PERPENDICULAR TO SAID DIRECTION TO PROVIDE AN INDICATION OF THE ULTRASONIC ENERGY PASSING THROUGH SAID OBJECT, DIRECTING A FLOOD OF ELECTRONS AT SUBSTANTIALLY ZERO VELOCITY AT AND CO-EXTENSIVE WITH SAID AREA, DIRECTING A FLOW OF ELECTRONS AT SAID AREA AND DETECTING THE ELECTRONS REFLECTED THEREFRON TO PROVIDE AN INDICATION OF THE ULTRASONIC ENERGY PASSING THROUGH SAID OBJECT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |