US3274582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interdigit interference correction
Assignee: ACF Industries Inc
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Filing: 1961-08-25
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Granted: 1966-09-20
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Expires: 1981-08-25
Abstract
No abstract record available.
Inventors
- 👤 Earl D Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:39
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/03; H04L25/03006; H04L25/03012; H04L25/03114; H04L25/03133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
APPARATUS FOR CONVERTING DITIGAL DATA FROM A FIRST CODE TO A SECOND HAVING A HIGHER RADIX AND COMPENSATING FOR INTERDIGITAL INTERFERENCE, COMPRISING FIRST MEANS FOR SUPPLYING SERIALS DIGITS OF THE FIRST CODE, FIRST AND SECOND SHIFT REGISTERS, SECOND MEANS FOR FEEDING ODD DIGITS FROM SAID FIRST MEANS TO THE FIRST REGISTER AND EVEN DIGITS FROM SAID FIRST MEANS TO THE SECOND SHIFT REGISTER, THIRD MEANS CONNECTED TO SAID SHIFT REGISTERS FOR CAUSING THEM TO SHIFT AFTER EVERY SECOND DIGIT, FOURTH MEANS FOR OBTAINING AN OUTPUT PULSE FROM EACH STAGE OF SAID SHIFT REGISTERS, FIFTH MEANS FOR ADJUSTING THE AMPLITUDES OF THE OUTPUT PULSES OF SAID FIRST REGISTER RELATIVE TO THE OUTPUT PULSES OF THE SECOND REGISTER ACCORDING TO SAID SECOND CODE AND FOR ADJUSTING THE AMPLITUDES OF THE OUTPUT PULSES
Claim 2
Dependent Claim
130 words
APPARATUS FOR CONVERTING DITIGAL DATA FROM A FIRST CODE TO A SECOND HAVING A HIGHER RADIX AND COMPENSATING FOR INTERDIGITAL INTERFERENCE, COMPRISING FIRST MEANS FOR SUPPLYING SERIALS DIGITS OF THE FIRST CODE, FIRST AND SECOND SHIFT REGISTERS, SECOND MEANS FOR FEEDING ODD DIGITS FROM SAID FIRST MEANS TO THE FIRST REGISTER AND EVEN DIGITS FROM SAID FIRST MEANS TO THE SECOND SHIFT REGISTER, THIRD MEANS CONNECTED TO SAID SHIFT REGISTERS FOR CAUSING THEM TO SHIFT AFTER EVERY SECOND DIGIT, FOURTH MEANS FOR OBTAINING AN OUTPUT PULSE FROM EACH STAGE OF SAID SHIFT REGISTERS, FIFTH MEANS FOR ADJUSTING THE AMPLITUDES OF THE OUTPUT PULSES OF SAID FIRST REGISTER RELATIVE TO THE OUTPUT PULSES OF THE SECOND REGISTER ACCORDING TO SAID SECOND CODE AND FOR ADJUSTING THE AMPLITUDES OF THE OUTPUT PULSES
References Cited (Backward Citations)
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US2969912A
Cited
US2857100A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |