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US3225181A Expired / Lapsed US ⏱️ 0.0 years remaining

Digital computing system for square roots

Assignee: Giannini Controls Corp
•
Filing: 1962-09-28
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Granted: 1965-12-21
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Expires: 1982-09-28
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Abstract

No abstract record available.

Inventors

  • 👤 Jerry H Styner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 13:16
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/544; G06F7/552; G06F7/5525; G06F7/60; G06F7/62

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 160 words
A SYSTEM RESPONSIVE TO A SERIES OF INPUT SIGNALS WHICH OCCUR AT AN AVERAGE RATE THAT IS INVERSELY PROPORTIONAL TO THE SQUARE OF AN INDEPENDENT VARIABLE, SAID SYSTEM BEING ADAPTED TO COMPUT A NUMBER POROPORTIONAL TO SAID INDEPENDENT VARIABLE AND COMPRSING IN COMBINATION FIRST AND SECOND COUNTING REGISTERS, MEANS FOR INCREASING THE COUNT IN THE FIRST REGISTER AT A PREDETERMINED UNIFORM RATE THAT IS LARGE COMPARED TO THE MAXIMUM RATE OF SAID INPUT SIGNALS, MEANS ACTING TO DEVELOP A CONTROL SIGNAL EACH TIME THAT SAID COUNT INCREASES BY AN AMOUNT EQUAL TO THE COUNT STANDING IN THE SECOND REGISTER, MEANS FOR INCREASING THE COUNT IN THE SECOND REGISTER BY A UNIFORM AMOUNT IN RESPONSE TO EACH SAID CONTROL SIGNAL, MEANS FOR RESETTING THE SECOND REGISTER TO INITIAL CONDITION IN RESPONSE TO EACH INPUT SIGNAL, AND OUTPUT MEANS FOR PRODUCING A PRESENTATION OF SAID NUMBER IN RESPONSE TO THE NUMBER REPRESENTED BY THE SECOND REGISTER IMMEDIATELY PRIOR TO SAID RESETTING THEREOF.

References Cited (Backward Citations)

US2997234A Cited
US3126475A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-20 1969-06-21 1969-12-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-20 1973-06-21 1973-12-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-20 1977-06-21 1977-12-21 $7700.00 Window Closed / Lapsed

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