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US3588818A Expired / Lapsed US ⏱️ 0.0 years remaining

Character recognition system employing continuity detection and registration means

Assignee: NCR Voyix Corp
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Filing: 1967-07-07
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Granted: 1971-06-28
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Expires: 1987-07-07
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Abstract

Abstract A CHARACTER RECOGNITION SYSTEM WHICH DETECTS AND REGISTERS A CHARACTER BASED ON A MEASURE OF THE CONTINUITY OR CONNECTIVITY OF CHARACTER PORTIONS DURING THE SCANNING OF A CHARACTER. EACH CHARACTER IS OPTICALLY SCANNED, CONVERTED INTO ELECTRICAL FORM, AND THEN SERIALLY ENTERED INTO AN ELECTRONIC FLIP-FLOP MATRIX. A PARTICULAR GROUP OF MATRIX FLIP-FLOPS ARE CHOSEN TO SERVE AS A "WINDOW" AND THESE FLIP-FLOPS OPERATE IN CONJUNCTION WITH RESPECTIVE LOGICAL CIRCUITS FOR DETERMINING CHARACTER CONTINUITY FOR EACH PORTION OF A CHARACTER AS IT PROGRESSES THROUGH THE MATRIX. VARYING PRINTING CONTRACTS ARE AUTOMATICALLY HANDLED BY PROVIDING FOR APPROPRIATE MODIFICATION OF THE LOGICAL CIRCUITS WHICH DETERMINE CONTINUITY IN RESPONSE TO THE EXISTING PRINTING CONTRAST.

Inventors

  • 👤 David B Congleton
  • 👤 Sydney Glazer
  • 👤 Melvin S Armstrong

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:11
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/20; G06V30/00; G06V30/10; G06V30/14; G06V30/146; G06V30/16; G06V30/164; G06V30/168

Claims Analysis

Total Claims: 0
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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) 1974-06-27 1974-12-27 1975-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-27 1978-12-27 1979-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-27 1982-12-27 1983-06-28 $7700.00 Window Closed / Lapsed

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