US3234510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spiral error detection circuit for telegraph systems
Assignee: AT&T Teletype Corp
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Filing: 1962-04-25
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Granted: 1966-02-08
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Expires: 1982-04-25
Abstract
No abstract record available.
Inventors
- 👤 Richard D Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:30
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; H; H04; H04L; H04L1/00; H04L1/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
APPARATUS FOR REGISTERING AN ODD-EVEN SPRIAL COUNT OF THE CODE ELEMENTS OF ONE BINARY CONDITION OVER A PLURALITY OF PERMUTATIVE CODE COMBINATIONS, SAID COUNT BEING REGISTERED IN A PLURALITY OF ODD-EVEN REGISTERS, ONE REGISTER FOR EACH LEVEL OF THE CODE COMBINATION, SAID APPARATUS COMPRISING MEANS FOR DETERMINING THE BINARY CONDITION OF SAID CODE ELEMENT IN EACH LEVEL, MEANS FOR DETERMINING THE BINARY CONDITION OF THE PREVIOUS COUNT OF THE REGISTER FOR EACH LEVEL AND MEANS FOR CONTROLLING THE COUNT OF EACH OF THE REGISTERS IN ACCORDANCE WITH THE ODD-EVEN SUMMATION OF THE BINARY CONDITIONS OF SAID CODE ELEMENT IN A LEVEL, THE REGISTER FOR THAT LEVEL AND A SECOND ONE OF SAID REGISTERS IN A SINGLE OPERATION.
Claim 2
Dependent Claim
117 words
APPARATUS FOR REGISTERING AN ODD-EVEN SPRIAL COUNT OF THE CODE ELEMENTS OF ONE BINARY CONDITION OVER A PLURALITY OF PERMUTATIVE CODE COMBINATIONS, SAID COUNT BEING REGISTERED IN A PLURALITY OF ODD-EVEN REGISTERS, ONE REGISTER FOR EACH LEVEL OF THE CODE COMBINATION, SAID APPARATUS COMPRISING MEANS FOR DETERMINING THE BINARY CONDITION OF SAID CODE ELEMENT IN EACH LEVEL, MEANS FOR DETERMINING THE BINARY CONDITION OF THE PREVIOUS COUNT OF THE REGISTER FOR EACH LEVEL AND MEANS FOR CONTROLLING THE COUNT OF EACH OF THE REGISTERS IN ACCORDANCE WITH THE ODD-EVEN SUMMATION OF THE BINARY CONDITIONS OF SAID CODE ELEMENT IN A LEVEL, THE REGISTER FOR THAT LEVEL AND A SECOND ONE OF SAID REGISTERS IN A SINGLE OPERATION.
References Cited (Backward Citations)
US3008003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |