Patent US3074642A successfully refreshed from Google Patents.
US3074642A
Expired / Lapsed
US
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Analog accumulator
Assignee: Electronic Associates Inc
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Filing: 1960-08-26
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Granted: 1963-01-22
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Expires: 1980-08-26
Abstract
No abstract record available.
Inventors
- 👤 James W Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:12
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/14; G06G7/18; H; H03; H03M; H03M1/00; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
IN A DEVICE FOR ACCUMULATING AND PRESENTING IN ANALOG FORM THE SUM OF DIGITAL SIGNALS FROM A SOURCE, THE COMBINATION COMPRISING FIRST SIGNAL INVERTING MEANS HAVING INPUT TERMINALS CONNECTED TO THE SOURCE, SECOND SIGNAL INVERTING MEANS INCLUDING A PAIR OF INTEGRATORS CONNECTED BETWEEN THE OUTPUT AND INPUT TERMINALS OF SAID FIRST SIGNAL INVERTING MEANS FOR CANCELING THE DIGITAL INPUT SIGNAL THERETO, A DIODE ELEMENT DISPOSED WITHIN THE INPUT CIRCUIT OF EACH SAID INTEGRATOR, SAID DIODE ELEMENTS BEING OPPOSITELY POLED WITH RESPECT TO ONE ANOTHER WHEREBY ONE OF SAID PAIR OF INTEGRATORS IS RESPONSIVE TO ONE POLARITY OF INPUT SIGNAL WHILE THE OTHER OF SAID INTEGRATORS IS RESPONSIVE TO AN OPPOSITE POLARITY OF INPUT SIGNAL.
References Cited (Backward Citations)
US2962217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |