Patent US3328569A successfully refreshed from Google Patents.
US3328569A
Expired / Lapsed
US
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Square root extracting network
Assignee: Elsag Bailey Inc
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Filing: 1963-11-14
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Granted: 1967-06-27
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Jerome B Brewster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:35
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/20; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/363
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A SQUARE ROOT EXTRACTING NETWORK HAVING AN INPUT TERMINAL AND AN OUTPUT TERMINAL, INPUT SIGNAL COMPENSATING MEANS, A DIFFERENCE AMPLIFIER HAVING TWO INPUT TERMINALS AND AN OUTPUT TERMINAL, AMPLIFIER MEANS COUPLED TO THE OUTPUT TERMINAL OF SAID DIFFERENCE AMPLIFIER AND HAVING AN OUTPUT TERMINAL COUPLED TO SAID NETWORK OUTPUT TERMINAL, AND A SQUARING CIRCUIT; SAID COMPENSATING MEANS COMPRISING A POTENTIAL MULTIPLIER STAGE AND A POTENTIAL ADDING STAGE CONNECTED BETWEEN SAID NETWORK INPUT TERMINAL AND ONE OF THE INPUT TERMINALS OF SAID DIFFERENTIAL AMPLIFIER AND SAID SQUARING CIRCUIT COMPRISING AN AUCTIONEER CIRCUIT HAVING A PAIR OF PNP TRANSISTORS, EACH HAVING AN INPUT TERMINAL AND EACH CONNECTED TO A COM-
Claim 2
Dependent Claim
108 words
A SQUARE ROOT EXTRACTING NETWORK HAVING AN INPUT TERMINAL AND AN OUTPUT TERMINAL, INPUT SIGNAL COMPENSATING MEANS, A DIFFERENCE AMPLIFIER HAVING TWO INPUT TERMINALS AND AN OUTPUT TERMINAL, AMPLIFIER MEANS COUPLED TO THE OUTPUT TERMINAL OF SAID DIFFERENCE AMPLIFIER AND HAVING AN OUTPUT TERMINAL COUPLED TO SAID NETWORK OUTPUT TERMINAL, AND A SQUARING CIRCUIT; SAID COMPENSATING MEANS COMPRISING A POTENTIAL MULTIPLIER STAGE AND A POTENTIAL ADDING STAGE CONNECTED BETWEEN SAID NETWORK INPUT TERMINAL AND ONE OF THE INPUT TERMINALS OF SAID DIFFERENTIAL AMPLIFIER AND SAID SQUARING CIRCUIT COMPRISING AN AUCTIONEER CIRCUIT HAVING A PAIR OF PNP TRANSISTORS, EACH HAVING AN INPUT TERMINAL AND EACH CONNECTED TO A COM-
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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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |