US3196399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Specimen identification techniques employing selected functions of autocorrelation functions
Assignee: International Business Machines Corp
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Filing: 1962-10-01
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Granted: 1965-07-20
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Louis A Kamentsky
- 👤 Liu Chao-Ning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:38
CPC Classifications
G; G06; G06F; G06F18/00; G06F18/20; G06F18/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN APPARATUS FOR IDENTIFYING A SPECIMEN LOCATED IN A DOCUMENT AREA COMPRISING, IN COMBINATION: MEANS FOR GENERATING A MULTI-VALUED DATA REPRESENTATION OF THE DOCUMENT AREA, WHERE EACH ELEMENT OF DATA CORRESPONDS TO A PREDETERMINED LOCATION IN THE DOCUMENT AND WHERE THE VALUE OF EACH ELEMENT IS DETERMINED BY THE RELATIVE ITENSITY OF THE DOCUMENT AT THIS LOCATION; MEANS FOR GENERATING A FUNCTION OF A GENERALIZED NTH ORDER AUTOCORRELATION FUNCTION OF THE MUTLI-VALUED REPRESENTATION, WHERE N IS A POSITIVE INTEGER, WHERE EACH ELEMENT OF THE GENERATED FUNCTION IS A FUNCTION OF THE EXISTENCE IN N+1 POINT COMBINATION OF DATA ELEMENTS WITH PREDETERMINED AREA, AND WHERE THE GENERATED FUNCTION IS DEPENDENT UPON AT LEAST TWO VALUES OF DATA ELEMENTS; AND MEANS FOR ANALYZING THE GENERATED FUNCTION TO PROVIDE AN INDICATION OF THE IDENTITY OF THE SPECIMEN.
Claim 2
Independent Claim
134 words
AN APPARATUS FOR IDENTIFYING A SPECIMEN LOCATED IN A DOCUMENT AREA COMPRISING, IN COMBINATION: MEANS FOR GENERATING A MULTI-VALUED DATA REPRESENTATION OF THE DOCUMENT AREA, WHERE EACH ELEMENT OF DATA CORRESPONDS TO A PREDETERMINED LOCATION IN THE DOCUMENT AND WHERE THE VALUE OF EACH ELEMENT IS DETERMINED BY THE RELATIVE ITENSITY OF THE DOCUMENT AT THIS LOCATION; MEANS FOR GENERATING A FUNCTION OF A GENERALIZED NTH ORDER AUTOCORRELATION FUNCTION OF THE MUTLI-VALUED REPRESENTATION, WHERE N IS A POSITIVE INTEGER, WHERE EACH ELEMENT OF THE GENERATED FUNCTION IS A FUNCTION OF THE EXISTENCE IN N+1 POINT COMBINATION OF DATA ELEMENTS WITH PREDETERMINED AREA, AND WHERE THE GENERATED FUNCTION IS DEPENDENT UPON AT LEAST TWO VALUES OF DATA ELEMENTS; AND MEANS FOR ANALYZING THE GENERATED FUNCTION TO PROVIDE AN INDICATION OF THE IDENTITY OF THE SPECIMEN.
References Cited (Backward Citations)
US2978675A
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 |