Patent US3221544A successfully refreshed from Google Patents.
US3221544A
Expired / Lapsed
US
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Ultrasonic inspection system
Assignee: Southwest Research Institute
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Filing: 1963-06-10
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Granted: 1965-12-07
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Walter A Gunkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:16
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/36; G01N2291/00; G01N2291/04; G01N2291/044; G01N2291/10; G01N2291/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN ULTRASONIC INSPECTION SYSTEM COMPRISING A PLURALITY OF ELECTRO-ACOUSTIC TRANSDUCERS FOR CONVERTING ULTRASONIC ACOUSTIC SIGNALS PASSING FROM AN ARTICLE BEING INSPECTED INTO ELECTRICAL SIGNALS, MEANS FOR PERFORMING A PRIMARY DISCRIMINATION OF THE SIGNALS FROM EACH OF SAID TRANSDUCERS, A PLURALITY OF SIGNAL RESPONSIVE MEANS, MEANS FOR SUPPLYING THE DISCRIMINATED SIGNALS FROM SAID TRANSDUCERS TO RESPECTIVE ONES OF SAID SIGNAL RESPONSIVE MEANS, A SWITCH NETWORK INCLUDING A PLURALITY OF SWITCHES, MEANS CONTROLLED BY RESPECTIVE ONES OF SAID SIGNAL RESPONSIVE MEANS FOR ACTUATING SELECTED ONES OF SAID SWITCHES TO DEFINE AN ELECTRICALLY CONDUCTIVE PATH THROUGH SAID SWITCH NETWORK, MEANS FOR PASSING AN ELECTRICAL SIGNAL THROUGH SAID SWITCH NETWORK ALONG SAID PATH, AND MEANS RESPONSSIVE TO SAID ELECTRICAL SIGNALS FOR INDICATING THE PARTICULAR PATH ALONG WHICH SAID SIGNAL HAS PASSED.
Claim 2
Dependent Claim
127 words
AN ULTRASONIC INSPECTION SYSTEM COMPRISING A PLURALITY OF ELECTRO-ACOUSTIC TRANSDUCERS FOR CONVERTING ULTRASONIC ACOUSTIC SIGNALS PASSING FROM AN ARTICLE BEING INSPECTED INTO ELECTRICAL SIGNALS, MEANS FOR PERFORMING A PRIMARY DISCRIMINATION OF THE SIGNALS FROM EACH OF SAID TRANSDUCERS, A PLURALITY OF SIGNAL RESPONSIVE MEANS, MEANS FOR SUPPLYING THE DISCRIMINATED SIGNALS FROM SAID TRANSDUCERS TO RESPECTIVE ONES OF SAID SIGNAL RESPONSIVE MEANS, A SWITCH NETWORK INCLUDING A PLURALITY OF SWITCHES, MEANS CONTROLLED BY RESPECTIVE ONES OF SAID SIGNAL RESPONSIVE MEANS FOR ACTUATING SELECTED ONES OF SAID SWITCHES TO DEFINE AN ELECTRICALLY CONDUCTIVE PATH THROUGH SAID SWITCH NETWORK, MEANS FOR PASSING AN ELECTRICAL SIGNAL THROUGH SAID SWITCH NETWORK ALONG SAID PATH, AND MEANS RESPONSSIVE TO SAID ELECTRICAL SIGNALS FOR INDICATING THE PARTICULAR PATH ALONG WHICH SAID SIGNAL HAS PASSED.
References Cited (Backward Citations)
US2922893A
Cited
US3052115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |