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US3204221A Expired / Lapsed US ⏱️ 0.0 years remaining

Character comparators

Assignee: International Business Machines Corp
•
Filing: 1959-07-24
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Granted: 1965-08-31
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Expires: 1979-07-24
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Abstract

No abstract record available.

Inventors

  • 👤 Huberto M Sierra

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:32
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/22; G06F7/24; G06F7/02; G06F7/026

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 231 words
A SYSTEM FOR SORTING INPUT CHARACTERS COMPRISING MEANS FOR PROVIDING THE INPUT CHARACTERS IN BINARY CODED DECIMAL FORM, FIRST AND SECOND BINARY CODED DECIMAL TO THE MODIFIED CODE CONVERTERS FOR PROVIDING INDIVIDUAL SIGNALS ON DIFFERENT LINES REPRESENTATIVE OF SPECIAL AND ZONE CHARACTERS, A FIRST MAGNETIC CORE PLANE INCLUDING A PLURALITY OF MAGNETIC CORE ELEMENTS, EACH OF WHICH ELEMENTS IS THREADED BY LINES FROM EACH OF THE FIRST AND SECOND CONVERTERS AND COINCIDENTLY OPERATED THEREBY, A FIRST GROUP OF SENSING CIRCUITS COUPLED IN SELECTED PATTERNS TO THE MAGNETIC CORE ELEMENTS OF THE FIRST PLANE FOR PROVIDING DIFFERENT PRIORITY INDICATIONS FROM THE MAGNETIC CORES WHICH HAVE BEEN OPERATED, FIRST AND SECOND BINARY TO DECIMAL CONVERTER CIRCUITS, EACH RESPONSIVE TO A BINARY PART OF A DIFFERENT ONE OF THE INPUT CHARACTERS AND PROVIDING DECIMAL INDICATIONS ON ONE OF A NUMBER OF DIFFERENT LINES, A SECOND MAGNETIC CORE PLANE CONSISTING OF A NUMBER OF MAGNETIC CORE ELEMENTS, EACH OF WHICH ELEMENTS IS THREADED BY LINES FROM EACH OF THE BINARY TO DECIMAL CONVERTERS AND COINCIDENTLY OPERATED THEREBY, A SECOND GROUP OF SENSING CIRCUITS COUPLED IN SELECTED PARRTENS TO THE MAGNETIC CORE CLEMENTS IN THE SECOND PLANE FOR PROVIDING DIFFERENT PRIORITY INDICATINS FROM THE MAGNETIC CORES WHICH HAVE BEEN OPERATED, AND DECISION CIRCUITS COUPLED TO THE SENSING CIRCUITS OF THE FIRST AND SECOND PLANES AND PROVIDING SIGNALS INDICATIVE OF THE PRIORITY RELATIONSHIP BETWEEN THE INPUT CHARACTERS.

References Cited (Backward Citations)

US2844309A Cited
US2785856A Cited
US2900620A Cited
US2865567A Cited
US2843838A Cited
US3008129A Cited
US2914748A Cited
US2920310A Cited
US2973508A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-30 1969-03-01 1969-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-30 1973-03-01 1973-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-30 1977-03-01 1977-08-31 $7700.00 Window Closed / Lapsed

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