US3079597A
Expired / Lapsed
US
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Assignee: International Business Machines Corp
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Filing: 1959-01-02
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Granted: 1963-02-26
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Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Wild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:06
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE COMBINATION WITH A BYTE CONVERTER FOR RECEIVING INPUT BYTES CONSISTING OF ONE NUMBER OF BITS AND TRANSMITTING OUTPUT BYTES CONSISTING OF A DIFFERENT NUMBER OF BITS, OF A CHECK CIRCUIT COMPRISING MEANS FOR PROVIDING AN INPUT EVEN PARITY CHECK-BIT FOR EACH INPUT BYTE, AN EVEN PARITY CHECK-BIT FOR EACH OUTPUT BYTE, COUNTER MEANS EVEN PARITY CHECK-BIT FOR EACH OUTPUT BYTE, COUNTER MEANS FOR RECEIVING SAID INPUT AND OUTPUT CHECK-BITES, MEANS FOR SAMPLING SAID COUNTER MEANS ONLY WHEN A GROUP OF INPUT CHECK-BITS AND A GROUP OF OUTPUT CHECK-BITS BOTH RELATE TO THE SAME SELECTED SUCCESSIVE BITS, AND MEANS RESPONSIVE TO SAID COUNTER MEANS FOR PROVIDING AN ERROR INDICATION WHEN THE COUNT IS ODD.
Claim 2
Dependent Claim
114 words
THE COMBINATION WITH A BYTE CONVERTER FOR RECEIVING INPUT BYTES CONSISTING OF ONE NUMBER OF BITS AND TRANSMITTING OUTPUT BYTES CONSISTING OF A DIFFERENT NUMBER OF BITS, OF A CHECK CIRCUIT COMPRISING MEANS FOR PROVIDING AN INPUT EVEN PARITY CHECK-BIT FOR EACH INPUT BYTE, AN EVEN PARITY CHECK-BIT FOR EACH OUTPUT BYTE, COUNTER MEANS EVEN PARITY CHECK-BIT FOR EACH OUTPUT BYTE, COUNTER MEANS FOR RECEIVING SAID INPUT AND OUTPUT CHECK-BITES, MEANS FOR SAMPLING SAID COUNTER MEANS ONLY WHEN A GROUP OF INPUT CHECK-BITS AND A GROUP OF OUTPUT CHECK-BITS BOTH RELATE TO THE SAME SELECTED SUCCESSIVE BITS, AND MEANS RESPONSIVE TO SAID COUNTER MEANS FOR PROVIDING AN ERROR INDICATION WHEN THE COUNT IS ODD.
References Cited (Backward Citations)
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |