Patent US3076901A successfully refreshed from Google Patents.
US3076901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit for separately indicating voltage magnitude and polarity of analog input signal
Assignee: ELECTRIC ASSOCIATES Inc
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Filing: 1960-01-11
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Granted: 1963-02-05
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur I Rubin
- 👤 Landauer Jay Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:50
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN AN ELECTRONIC SWITCHING APPARATUS, THE COMBINATION COMPRISING A FIRST AMPLIFYING MEANS HAVING AN OUTPUT TERMINAL AND HAVING AN INPUT TERMINAL CONNECTED TO AN INPUT SIGNAL SOURCE, DEGENERATIVE FEEDBACK CIRCUIT MEANS CONNECTED BETWEEN SAID INPUT AND OUTPUT TERMINALS AND INCLUDING A PAIR OF ASYMMETRICALLY-CONDUCTING ELEMENTS CONNECTED IN A PARALLEL BUT OPPOSED SENSE, ALGEBRAIC SUMMING MEANS INCLUDING A SECOND AMPLIFYING MEANS CONNECTED TO THE OUTPUT TERMINALS OF SAID PAIR OF ELEMENTS FOR PRODUCING OUTPUT SIGNALS OF ONLY ONE POLARITY, AND POLARITY INDICATING MEANS CONNECTED TO THE OUTPUT TERMINALS OF SAID FIRST AMPLIFYING MEANS AND TRIGGERED BETWEEN CONDITIONS OF CONDUCTION AND NONCONDUCTION IN RESPONSE TO THE OUTPUT SIGNALS THEREFROM.
Claim 2
Dependent Claim
107 words
IN AN ELECTRONIC SWITCHING APPARATUS, THE COMBINATION COMPRISING A FIRST AMPLIFYING MEANS HAVING AN OUTPUT TERMINAL AND HAVING AN INPUT TERMINAL CONNECTED TO AN INPUT SIGNAL SOURCE, DEGENERATIVE FEEDBACK CIRCUIT MEANS CONNECTED BETWEEN SAID INPUT AND OUTPUT TERMINALS AND INCLUDING A PAIR OF ASYMMETRICALLY-CONDUCTING ELEMENTS CONNECTED IN A PARALLEL BUT OPPOSED SENSE, ALGEBRAIC SUMMING MEANS INCLUDING A SECOND AMPLIFYING MEANS CONNECTED TO THE OUTPUT TERMINALS OF SAID PAIR OF ELEMENTS FOR PRODUCING OUTPUT SIGNALS OF ONLY ONE POLARITY, AND POLARITY INDICATING MEANS CONNECTED TO THE OUTPUT TERMINALS OF SAID FIRST AMPLIFYING MEANS AND TRIGGERED BETWEEN CONDITIONS OF CONDUCTION AND NONCONDUCTION IN RESPONSE TO THE OUTPUT SIGNALS THEREFROM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |