US3293604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character recognition system utilizing asynchronous zoning of characters
Assignee: RCA Corp
•
Filing: 1963-01-25
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Granted: 1966-12-20
•
Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Klein Seymour
- 👤 John P Beltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:09
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/20; G06V10/24; G06V10/40; G06V10/42; G06V10/421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN AN OPTICAL CHARACTER READING SYSTEM FOR READING CHARACTERS FROM A DOCUMENT, SAID CHARACTERS BEING FORMED OF ONE OR MORE DISTINCTIVE FEATURES, ONE OF SAID FEATURES COMPRISING VERTICAL STROKES, SAID SYSTEM INCLUDING MEANS FOR SCANNING SUCCESSIVE ONES OF SAID CHARACTERS TO DERIVE SIGNALS REPRESENTING THE FEATURES OF SAID CHARACTERS, THE COMBINATION COMPRISING A STROKE DETECTOR COUPLED TO SAID SCANNING MEANS TO DETECT THE OCCURRENCE OF SAID VERTICAL STROKES IN SAID CHARACTERS, A PLURALITY OF STORAGE DEVICES FOR STORING VERTICAL STROKE FEATURE SIGNALS AND OTHER FEATURE SIGNALS, STORAGE CONTROL SWITCH MEANS COUPLED TO SAID SCANNING MEANS FOR DIRECTING SAID FEATURE SIGNALS INTO ONE STORAGE DEVICE AT A TIME,
Claim 2
Dependent Claim
107 words
IN AN OPTICAL CHARACTER READING SYSTEM FOR READING CHARACTERS FROM A DOCUMENT, SAID CHARACTERS BEING FORMED OF ONE OR MORE DISTINCTIVE FEATURES, ONE OF SAID FEATURES COMPRISING VERTICAL STROKES, SAID SYSTEM INCLUDING MEANS FOR SCANNING SUCCESSIVE ONES OF SAID CHARACTERS TO DERIVE SIGNALS REPRESENTING THE FEATURES OF SAID CHARACTERS, THE COMBINATION COMPRISING A STROKE DETECTOR COUPLED TO SAID SCANNING MEANS TO DETECT THE OCCURRENCE OF SAID VERTICAL STROKES IN SAID CHARACTERS, A PLURALITY OF STORAGE DEVICES FOR STORING VERTICAL STROKE FEATURE SIGNALS AND OTHER FEATURE SIGNALS, STORAGE CONTROL SWITCH MEANS COUPLED TO SAID SCANNING MEANS FOR DIRECTING SAID FEATURE SIGNALS INTO ONE STORAGE DEVICE AT A TIME,
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |