Patent US3148334A successfully refreshed from Google Patents.
US3148334A
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US
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Pulse sequence verifier circuit with digital logic gates for detecting errors in magnetic recording circuits
Assignee: AT&T Inc
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Filing: 1962-01-23
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Granted: 1964-09-08
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Danielsen Daniel
- 👤 Stephen B Judlowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:13
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/16; G06F11/1608; G06F11/1612; G11; G11B; G11B20/00; G11B20/10; G11B20/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN COMBINATION, SOURCE MEANS INCLUDING FIRST AND SECOND OUTPUT TERMINALS FOR RESPECTIVELY SUPPLYING THERETO A FIRST PLURALITY OF PULSES AND A SECOND PLURALITY OF PULSES IN ONE-TO-ONE CORRESPONDENCE WITH SAID FIRST PULSE PLURALITY AND DELAYED THEREFROM, AND AND LOGIC GATE INCLUDING AN OUTPUT TERMINAL AND TWO INPUT TERMINALS, SAID FIRST TERMINAL OF SAID SOURCE MEANS CONNECTED TO A FIRST INPUT OF SAID AND LOGIC GATE, A BISTABLE FLIP-FLOP INCLUDING ONE INPUT TERMINAL AND AN OUTPUT TERMINAL WHICH ALTERNATES BETWEEN A RELATIVELY HIGH AND A RELATIVELY LOW POTENTIAL CONDITION RESPONSIVE TO CONSECUTIVE ENERGIZATION OF SAID INPUT
Claim 2
Dependent Claim
95 words
IN COMBINATION, SOURCE MEANS INCLUDING FIRST AND SECOND OUTPUT TERMINALS FOR RESPECTIVELY SUPPLYING THERETO A FIRST PLURALITY OF PULSES AND A SECOND PLURALITY OF PULSES IN ONE-TO-ONE CORRESPONDENCE WITH SAID FIRST PULSE PLURALITY AND DELAYED THEREFROM, AND AND LOGIC GATE INCLUDING AN OUTPUT TERMINAL AND TWO INPUT TERMINALS, SAID FIRST TERMINAL OF SAID SOURCE MEANS CONNECTED TO A FIRST INPUT OF SAID AND LOGIC GATE, A BISTABLE FLIP-FLOP INCLUDING ONE INPUT TERMINAL AND AN OUTPUT TERMINAL WHICH ALTERNATES BETWEEN A RELATIVELY HIGH AND A RELATIVELY LOW POTENTIAL CONDITION RESPONSIVE TO CONSECUTIVE ENERGIZATION OF SAID INPUT
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |