US3226648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clock system for electronic computers
Assignee: Unisys Corp
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Filing: 1962-01-29
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Granted: 1965-12-28
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 James C Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:38
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/04; G06F1/12; H; H03; H03K; H03K5/00; H03K5/13; H03K5/135
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
128 words
A CLOCK SYSTEM COMPRISING: A PLURALITY OF CONTINUOUSLY CYCLING OSCILLATORS FOR GENERATING PULSE SIGNALS OF DIFFERENT REPETITION FREQUENCIES; A PULSE FORMING CIRCUIT FOR GENERATING A PULSE IN RESPONSE TO AN INPUT SIGNAL PULSE; MEANS FOR GATING AN OUTPUT SIGNAL FROM ANY SELECTED ONE OF SAID OSCILLATORS TO THE PULSE FORMING CIRCUIT INCLUDING MEANS FOR SWITCHING FROM ONE OSCIALLATOR OUTPUT SIGNAL TO ANOTHER AT ANY RANDOM TIME IN RELATION TO THE PULSE SIGNALS GENERATED BY THE OSCILLATORS IN RESPONSE TO APPLIED SELECTION SIGNALS; AND MEANS RESPONSIVE TO THE OUTPUT PULSES FROM THE PULSE FORMING CIRCUIT FOR INHIBITING OPERATION OF THE PULSE FORMING CIRCUIT FOLLOWING THE GENERATION OF EACH OUTPUT THEREFROM DURING A TIME INTERVAL ONLY SLIGHTLY LESS THAN THE SHORTEST PERIOD BETWEEN OUTPUT PULSES OF ANY OF SAID OSICLLATORS.
References Cited (Backward Citations)
US3029389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |