US3379829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flaw detection apparatus
Assignee: TDK Micronas GmbH
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Filing: 1964-12-11
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Granted: 1968-04-23
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Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Vernon C Gambrell
- 👤 Robert H Lawburgh
- 👤 Louis E Wuellner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/06; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
APPARATUS FOR DETECTING FLAWS IN AN OBJECT COMPRISING: FIRST MEANS FOR ILLUMINATING AND RECEIVING AN OPTICAL IMAGE OF SAID OBJECT IN WHICH FLAWS ARE TO BE DETECTED AND INCLUDING FIRST DEFLECTION MEANS FOR PROVIDING A TIMEBASED VIDEO SIGNAL IN RESPONSE TO SAID IMAGE; A MASK HAVING CONTRASTING AREAS THEREON CORRESPONDING TO AREAS OF SAID OBJECT WHICH WILL PROVIDE WANTED AND UNWANTED VIDEO SIGNALS, RESPECTIVELY; SECOND MEANS FOR ILLUMINATING SAID MASK AND INCLUDING SECOND DEFLECTION MEANS FOR PROVIDING A TIME-BASED BLANKING SIGNAL IN RESPONSE TO THE AREAS CORRESPONDING TO SAID UNWANTED VIDEO SIGNALS; SCAN GENERATING MEANS COUPLED TO BOTH OF SAID DEFLECTION MEANS FOR SIMULTANEOUSLY APPLYING IDENTICAL DEFLECTION SIGNALS THERETO; PROGRAM MEANS COUPLED TO SAID SCAN GENERATING MEANS FOR PROVIDING DIFFERENT PREDETERMINED LINE SCAN SPACING FOR DIFFERENT PREDETERMINED AREAS OF SAID OBJECT AND MASK; AND MEANS FOR BLANKING SAID VIDEO SIGNALS IN RESPONSE TO SAID BLANKING SIGNAL THEREBY TO PROVIDE OUTPUT VIDEO SIGNALS RESPONSIVE TO SAID WANTED VIDEO SIGNALS ONLY.
Claim 2
Dependent Claim
159 words
APPARATUS FOR DETECTING FLAWS IN AN OBJECT COMPRISING: FIRST MEANS FOR ILLUMINATING AND RECEIVING AN OPTICAL IMAGE OF SAID OBJECT IN WHICH FLAWS ARE TO BE DETECTED AND INCLUDING FIRST DEFLECTION MEANS FOR PROVIDING A TIMEBASED VIDEO SIGNAL IN RESPONSE TO SAID IMAGE; A MASK HAVING CONTRASTING AREAS THEREON CORRESPONDING TO AREAS OF SAID OBJECT WHICH WILL PROVIDE WANTED AND UNWANTED VIDEO SIGNALS, RESPECTIVELY; SECOND MEANS FOR ILLUMINATING SAID MASK AND INCLUDING SECOND DEFLECTION MEANS FOR PROVIDING A TIME-BASED BLANKING SIGNAL IN RESPONSE TO THE AREAS CORRESPONDING TO SAID UNWANTED VIDEO SIGNALS; SCAN GENERATING MEANS COUPLED TO BOTH OF SAID DEFLECTION MEANS FOR SIMULTANEOUSLY APPLYING IDENTICAL DEFLECTION SIGNALS THERETO; PROGRAM MEANS COUPLED TO SAID SCAN GENERATING MEANS FOR PROVIDING DIFFERENT PREDETERMINED LINE SCAN SPACING FOR DIFFERENT PREDETERMINED AREAS OF SAID OBJECT AND MASK; AND MEANS FOR BLANKING SAID VIDEO SIGNALS IN RESPONSE TO SAID BLANKING SIGNAL THEREBY TO PROVIDE OUTPUT VIDEO SIGNALS RESPONSIVE TO SAID WANTED VIDEO SIGNALS ONLY.
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |