US3196394A
Expired / Lapsed
US
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Specimen identification techniques employing non-linear functions of autocorrelation functions
Assignee: International Business Machines Corp
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Filing: 1961-03-03
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Granted: 1965-07-20
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
- 👤 Lawrence P Horwitz
- 👤 Jr Glenmore L Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/40; G06V10/42; G06V10/20; G06V10/70; G06V10/74; G06V10/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A SPECIMEN IDENTIFICATION APPARATUS COMPRISING, IN COMBINATION MEANS FOR GENERATING A NON-LINEAR FUNCTION OF AN AUTOCORRELATION FUNCTION OF SPECIMEN DATA LOCATED THROUGHOUT THE SPECIMEN, AND MEANS FOR COMPARING SAID FUNCTION WITH NON-LINEAR FUNCTIONS OF AUTOCORRELATION FUNCTIONS OF REFERENCE PATTERNS, FOR IDENTIFYING THE SPECIMEN.
Claim 2
Dependent Claim
43 words
A SPECIMEN IDENTIFICATION APPARATUS COMPRISING, IN COMBINATION MEANS FOR GENERATING A NON-LINEAR FUNCTION OF AN AUTOCORRELATION FUNCTION OF SPECIMEN DATA LOCATED THROUGHOUT THE SPECIMEN, AND MEANS FOR COMPARING SAID FUNCTION WITH NON-LINEAR FUNCTIONS OF AUTOCORRELATION FUNCTIONS OF REFERENCE PATTERNS, FOR IDENTIFYING THE SPECIMEN.
References Cited (Backward Citations)
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US2978675A
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US2985298A
Cited
US3064519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |