US3245036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character recognition by contour following
Assignee: International Standard Electric Corp
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Filing: 1961-09-27
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Granted: 1966-04-05
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Grottrup Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:41
CPC Classifications
G; G06; G06K; G06K11/00; G06K11/02; G06K11/04; G06F; G06F18/00; G06F18/20; G06F18/24; G06F18/243; G06F18/24323; G06V; G06V30/00; G06V30/10; G06V30/14; G06V30/144; G06V30/148; G06V30/15; G06V30/18; G06V30/1801; G06V30/18076; G06V30/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
APPARATUS FOR PERFORMING THE AUTOMATIC SCANNING OF CHARACTERS, IN PARTICULAR OF PRINTED CHARACTERS, IN WHICH THE SCANNING IS EFFECTED ALONG THE CHARACTERS, AND FOR EVALUATING THE SCANNING RESULTS IN ORDER TO IDENTIFY THE SCANNED CHARACTERS, COMPRISING: MEANS FOR SCANNING THE CHARACTER ALONG A PATH FROM A FIXED STARTING POINT ON THE CHARACTER ALONG THE CONTOURS OF THE CHARACTER; MEANS FOR DETECTING A BRANCHING POINT; MEANS RESPONSIVE TO THE DETECTION OF SAID BRANCHING POINT TO CAUSE THE SCANNING TO CONTINUE ALONG THE NEXT SUCCESSIVE SHAPE ELEMENT OF THE CHARACTER IN ACCORDANCE WITH THE PREVIOUSLY FIXED SELECTABLE ORDER OF SUCCESSION UNTIL THE WHOLE CHARACTER IS SCANNED; MEANS RESPONSIVE TO THE SCANNING OPERATION FOR PRODUCING ELECTRICAL SIGNALS RESPECTIVELY CHARACTERIZING THE ORDER OF THE BRANCHING POINT, THE DIRECTION AT THE BEGINNING OF EVERY SHAPE ELMENT, AND THE CURVATURE OF THE SAID SHAPED ELEMENTS; AND MEANS FOR UTILIZING AT LEAST TWO OF THE ABOVE PROPERTIES FOR IDENTIFYING THE SCANNED CHARACTER.
Claim 2
Dependent Claim
155 words
APPARATUS FOR PERFORMING THE AUTOMATIC SCANNING OF CHARACTERS, IN PARTICULAR OF PRINTED CHARACTERS, IN WHICH THE SCANNING IS EFFECTED ALONG THE CHARACTERS, AND FOR EVALUATING THE SCANNING RESULTS IN ORDER TO IDENTIFY THE SCANNED CHARACTERS, COMPRISING: MEANS FOR SCANNING THE CHARACTER ALONG A PATH FROM A FIXED STARTING POINT ON THE CHARACTER ALONG THE CONTOURS OF THE CHARACTER; MEANS FOR DETECTING A BRANCHING POINT; MEANS RESPONSIVE TO THE DETECTION OF SAID BRANCHING POINT TO CAUSE THE SCANNING TO CONTINUE ALONG THE NEXT SUCCESSIVE SHAPE ELEMENT OF THE CHARACTER IN ACCORDANCE WITH THE PREVIOUSLY FIXED SELECTABLE ORDER OF SUCCESSION UNTIL THE WHOLE CHARACTER IS SCANNED; MEANS RESPONSIVE TO THE SCANNING OPERATION FOR PRODUCING ELECTRICAL SIGNALS RESPECTIVELY CHARACTERIZING THE ORDER OF THE BRANCHING POINT, THE DIRECTION AT THE BEGINNING OF EVERY SHAPE ELMENT, AND THE CURVATURE OF THE SAID SHAPED ELEMENTS; AND MEANS FOR UTILIZING AT LEAST TWO OF THE ABOVE PROPERTIES FOR IDENTIFYING THE SCANNED CHARACTER.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |