US3444522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error correcting decoder
Assignee: Lockheed Martin Corp
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Filing: 1965-09-24
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Granted: 1969-05-13
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Expires: 1985-09-24
Abstract
No abstract record available.
Inventors
- 👤 John T Polhemus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:10
CPC Classifications
H; H03; H03M; H03M13/00; H03M13/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A CORE MATRIC DECORDER OF THE TYPE HAVING SEPARATE OUTPUT SENSE LINES, THREADING DIFFERENT COMBINATIONS OF THE CORES IN SAID MATRIX, FOR SEVERAL INTERNAL CODE WORDS RESPECTIVELY, THE IMPROVEMENTS COMPRISING, A FIRST ADDITIONAL CORE THREADED TO INDUCE A DESIRED POLARITY PULSE IN A LEAST ONE OF SAID SENSE LINES, AND N ERROR CORRECTING CORES THREADED BY AT LEAST ONE SENSE LINE FOR NEGLECTING N ERRORS IN A COMPARISON OF THE COMMAND INPUT WORD AND THE CODE WORD
Claim 2
Dependent Claim
77 words
A CORE MATRIC DECORDER OF THE TYPE HAVING SEPARATE OUTPUT SENSE LINES, THREADING DIFFERENT COMBINATIONS OF THE CORES IN SAID MATRIX, FOR SEVERAL INTERNAL CODE WORDS RESPECTIVELY, THE IMPROVEMENTS COMPRISING, A FIRST ADDITIONAL CORE THREADED TO INDUCE A DESIRED POLARITY PULSE IN A LEAST ONE OF SAID SENSE LINES, AND N ERROR CORRECTING CORES THREADED BY AT LEAST ONE SENSE LINE FOR NEGLECTING N ERRORS IN A COMPARISON OF THE COMMAND INPUT WORD AND THE CODE WORD
References Cited (Backward Citations)
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Cited
US3221158A
Cited
US3289180A
Cited
US3284775A
Cited
US3267431A
Cited
US3346844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |