US3209327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error detecting and correcting circuit
Assignee: International Business Machines Corp
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Filing: 1960-02-23
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Granted: 1965-09-28
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Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 William E Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
H; H03; H03M; H03M13/00; H03M13/03; H03M13/05; H03M13/13; H03M13/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN AN ERROR DETECTING AND CORRECTING SYSTEM, APPARATUS COMPRISING, IN COMBINATION, A DATA STORAGE DEVICE HAVING A PLURALITY OF STAGES CAPABLE OF ASSUMING ONE OF TWO STABLE STATES INDICATIVE OF INFORMATION, OUTPUT MEANS CONNECTED TO SAID STORAGE DEVICE, AN ERROR DETECTOR RESPONSIVE TO SAID OUTPUT MEANS FOR RECEIVING MANIFESTATIONS THE INFORMATION CONTAINED IN SAID STORAGE DEVICE, SAID DETECTOR INCLUDING MEANS RESPONSIVE TO SAID MANFESTATIONS FOR PRODUCING A PLURALITY OF SIGNALS IN RESPONSE THERETO, AT LEAST ONE OF SAID SIGNALS INDICATING THAT ONLY ONE OF SAID STAGES HAS ASSUMED AN INCORRECT STABLE STATE, ONE OF SAID STAGES HAS ASSUMED AN INCORRECT STABLE STATE, MEANS CONNECTED TO SAID OUTPUT MEANS, RESPONSIVE TO APPLIED PULSES, FOR CAUSING THE MANIFESTATIONS OF THE INREAD OUT TO SAID ERROR DETECTOR, SAID READOUT MEANS ALSO
Claim 2
Dependent Claim
128 words
IN AN ERROR DETECTING AND CORRECTING SYSTEM, APPARATUS COMPRISING, IN COMBINATION, A DATA STORAGE DEVICE HAVING A PLURALITY OF STAGES CAPABLE OF ASSUMING ONE OF TWO STABLE STATES INDICATIVE OF INFORMATION, OUTPUT MEANS CONNECTED TO SAID STORAGE DEVICE, AN ERROR DETECTOR RESPONSIVE TO SAID OUTPUT MEANS FOR RECEIVING MANIFESTATIONS THE INFORMATION CONTAINED IN SAID STORAGE DEVICE, SAID DETECTOR INCLUDING MEANS RESPONSIVE TO SAID MANFESTATIONS FOR PRODUCING A PLURALITY OF SIGNALS IN RESPONSE THERETO, AT LEAST ONE OF SAID SIGNALS INDICATING THAT ONLY ONE OF SAID STAGES HAS ASSUMED AN INCORRECT STABLE STATE, ONE OF SAID STAGES HAS ASSUMED AN INCORRECT STABLE STATE, MEANS CONNECTED TO SAID OUTPUT MEANS, RESPONSIVE TO APPLIED PULSES, FOR CAUSING THE MANIFESTATIONS OF THE INREAD OUT TO SAID ERROR DETECTOR, SAID READOUT MEANS ALSO
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |