Patent US3564448A successfully refreshed from Google Patents.
US3564448A
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US
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Redundant oscillator system
Assignee: Westinghouse Electric Corp
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Filing: 1968-11-13
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Granted: 1971-02-16
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Expires: 1988-11-13
Abstract
Abstract A REDUNTANT OSCILLATOR SYSTEM WHEREIN A PLURALITY OF PULSE GENERATORS EACH GENERATE FIRST PULSES IN RESPONSE TO RESET INPUTS. EACH OF THE PULSE GENERATORS SUPPLIES FIRST PULSES TO AN ASSOCIATED ONE OF A PLURALITY OF GATE CIRCUITS EACH OF WHICH ALSO RECEIVES FIRST PULSES FROM A NONASSOCIATED ONE OF THE GENERATORS AND SUPPLIES SECOND PULSES IN RESPONSE THERETO. A RESET CIRCUIT IS PROVIDED TO TRANSLATE THE SECOND PULSES FROM EACH OF THE GATING CIRCUITS TO THE NONASSOCIATED ONES OF THE PLURALITY OF PULSE GENERATORS WITH OUTPUT PULSES OF A PREDETERMINED FREQUENCY BEING PROVIDED FROM THE SYSTEM IN RESPONSE TO THE SECOND PULSES.
Inventors
- 👤 Kenneth M Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:57
CPC Classifications
H; H04; H04L; H04L7/00; H03; H03K; H03K19/00; H03K19/003; H03K19/00392; H03K5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |