Patent US3331079A successfully refreshed from Google Patents.
US3331079A
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Apparatus for inhibiting non-significant pulse signals
Assignee: Unisys Corp
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Filing: 1962-12-05
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Granted: 1967-07-11
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Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Reader Trevor Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:24
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10; G11B20/14; G11B20/1403; G11B20/1423; G11B20/1488; G11B20/1492
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
IN A SYSTEM FOR RECORDING A BIT OF INFORMATION EACH DIGIT PERIOD, A CIRCUIT FOR RECORDING BITS OF INFORMATION IN THE FORM OF POSITIVE AND NEGATIVE PULSES, MEANS FOR COMPARING TWO CONSECUTIVE BITS OF INFORMATION PRIOR TO RECORDING, MEANS FOR GENERATING AND RECORDING AN ADDITIONAL PULSE SIGNAL WHENEVER SAID TWO CONSECUTIVE SIGNALS ARE OF THE SAME TYPE, AND MEANS FOR RECORDING SAID ADDITIONAL PULSE SIGNAL AT A TIME PERIOD SUBSTANTIALLY LESS THAN ONEHALF OF A DIGIT PERIOD SIGNAL AFTER THE RECORDING OF THE FIRST OF SAID TWO CONSECUTIVE SIGNALS.
References Cited (Backward Citations)
US2734186A
Cited
US2917726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |