US3252140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character recognition device employing pattern feature correlation
Assignee: Individual
•
Filing: 1962-12-26
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Granted: 1966-05-17
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Lemay Christopher Archi Gordon
- 👤 Ingham William Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:13
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/88; G06V10/89; G06V10/893; G06V10/895
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A PATTERN RECOGNITION DEVICE COMPRISING SENSING MEANS FOR PRODUCING FROM A PATTERN AREA A SERIES OF PATTERN FEATURE CORRELATION SIGNALS WHICH REPRESENT RESPECTIVELY THE DEGREE OF CORRELATION OF A PATTERN IN SAID AREA WITH A SERIES OF PATTERN FEATURES, MEANS FOR PRODUCING THE EFFECT OF DISPLACEMENT OF THE PATTERN AREA REALTIVE TO EACH OF SAID SERIES OF FEATURES, COMPARISON DEVICES FOR COMBINING SAID CORRELATION SIGNALS IS DIFFERENT COMBINATIONS TO PRODUCE CORRESPONDING COMPARISON SIGNALS, COUPLING MEANS FOR APPLYING THE PATTERN FEATURE CORRELATION SIGNALS TO THE SAID COMPARISON DEVICES AND OUTPUT FOR DETECTING WHICH COMBINATION OF PATTERN FEATURE CORRELATION SIGNALS HAS PRODUCED THE EXTREME VALUE OF SAID COMPARISON SIGNALS AFTER A PREDETERMINED AMOUNT OF RELATIVE DISPLACEMENT THEREBY TO INDICATE WHICH COMBINATION OF SAID PATTERN FEATURES IS MOST NEARLY EXHIBITED BY THE PATTERN IN SAID AREA IN DIFFERENT POSITIONS THEREOF RELATIVE TO SAID FEATURES.
Claim 2
Dependent Claim
141 words
A PATTERN RECOGNITION DEVICE COMPRISING SENSING MEANS FOR PRODUCING FROM A PATTERN AREA A SERIES OF PATTERN FEATURE CORRELATION SIGNALS WHICH REPRESENT RESPECTIVELY THE DEGREE OF CORRELATION OF A PATTERN IN SAID AREA WITH A SERIES OF PATTERN FEATURES, MEANS FOR PRODUCING THE EFFECT OF DISPLACEMENT OF THE PATTERN AREA REALTIVE TO EACH OF SAID SERIES OF FEATURES, COMPARISON DEVICES FOR COMBINING SAID CORRELATION SIGNALS IS DIFFERENT COMBINATIONS TO PRODUCE CORRESPONDING COMPARISON SIGNALS, COUPLING MEANS FOR APPLYING THE PATTERN FEATURE CORRELATION SIGNALS TO THE SAID COMPARISON DEVICES AND OUTPUT FOR DETECTING WHICH COMBINATION OF PATTERN FEATURE CORRELATION SIGNALS HAS PRODUCED THE EXTREME VALUE OF SAID COMPARISON SIGNALS AFTER A PREDETERMINED AMOUNT OF RELATIVE DISPLACEMENT THEREBY TO INDICATE WHICH COMBINATION OF SAID PATTERN FEATURES IS MOST NEARLY EXHIBITED BY THE PATTERN IN SAID AREA IN DIFFERENT POSITIONS THEREOF RELATIVE TO SAID FEATURES.
References Cited (Backward Citations)
US3085227A
Cited
US3104369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |