Patent US3560931A successfully refreshed from Google Patents.
US3560931A
Expired / Lapsed
US
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Circuitry to improve resolution in character recognition
Assignee: International Business Machines Corp
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Filing: 1969-03-26
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Granted: 1971-02-02
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Expires: 1989-03-26
Abstract
Abstract THIS DISCLOSURE IS DIRECTED TO AN IMPROVED CHARACTER RECOGNITION SYSTEM. IN PARTICULAR, IT UTILIZES A PARALLEL OPERATING MULTI-CHANNEL DIGITAL-TYPE OF DETECTOR SYSTEM WHICH PROVIDES COMPENSATION FOR ANY VARIATIONS IN ALIGNMENT OF THE CHARACTER-TO-SCANNER REGISTRATION. THE SYSTEM OPERATES THROUGH THE USE OF SCANNERS EACH HAVING A QUANTIZER CIRCUIT ASSOCIATED THEREWITH. SUITABLE SYSTEM OPERATES ARRANGED TO RECEIVE AND TRANSMIT TO THE QUANTIZER THE OUTPUT OF ADJACENT SCANNING OPERATIONS WHICH COLLECTIVELY OVERCOME ANY MIS-REGISTRATION CONDITIONS OF ANY CHARACTER RELATIVE TO ANY SCANNING UNITS.
Inventors
- 👤 Richard G Neville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:33
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V30/2253
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |