US3303333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error detection and correction system for convolutional codes
Assignee: Motorola Solutions Inc
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Filing: 1962-07-25
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Granted: 1967-02-07
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Expires: 1982-07-25
Abstract
No abstract record available.
Inventors
- 👤 Massey James Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:40
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L1/0056; H04L1/0057; H03; H03M; H03M13/00; H03M13/37; H03M13/43; H04L1/0045; H04L1/12; H04L1/16; H04L1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
237 words
AN APPARATUS FOR DECODING AN INFORMATION SIGNAL FROM AN ENCODED DIGITAL BINARY MESSAGE, THE MESSAGE HAVING BEEN EXPOSED TO ERROR CONDITIONS SO THAT EACH SIGNAL IN THE MESSAGE COMPRISES IN EFFECT THE MODULO 2 SUM OF A MESSAGE COMPONENT, AND AN ERROR COMPONENT THAT IS "0" WHEN NO ERROR OCCURS AND "1" WHEN AN ERROR OCCURS, THE MESSAGE HAVING BEEN ENCODED BY A BINARY CONVOLUTIONAL CODE SO THAT THE MESSAGE COMPRISES INFORMATION SIGNALS AND RELATED REDUNDANCY SIGNALS, THE MESSAGE COMPONENT OF EACH INFORMATION SIGNAL COMPRISING AN INFORMATION COMPONENT, THE MESSAGE COMPONENT OF EACH REDUNDANCY SIGNAL COMPRISING A REDUNDANCY COMPONENT FORMED AS THE MODULO 2 SUM OF SELECTED INFORMATION COMPONENTS, EACH INFORMATION COMPONENT BEING A TERM IN A MULTIPLICITY OF SUCH REDUNDANCY COMPONENTS, THE APPARATUS COMPRISING A MODULO 2 ADDER SUBSOLUTION MEANS FOR FORMING BY MODULO 2 ADDITION, A SET OF ORTHOGONAL SUBSOLUTION SIGNALS FOR THE INFORMATION SIGNAL TO BE DECODED, SAID SET OF ORTHOGONAL SUBSOLUTION SIGNALS COMPRISING MORE THAN TWO DISTINCT BINARY SIGNALS IN WHICH EACH SIGNAL HAS AS A TERM THE SAME ONE OF THE COMPONENTS OF SAID INFORMATION SIGNAL BEING DECODED, WHEREBY EACH SUBSOLUTION SIGNAL CAN INDICATE A SOLUTION FOR THE VALUE OF SAID COMPONENT, NO MORE THAN ONE SIGNAL OF SAID SET HAVING AS A TERM THE OTHER COMPONENT OF SAID INFORMATION SIGNAL BEING DECODED, NO MORE THAN ONE SIGNAL OF SAID SET HAVING AS A TERM THE ERROR COMPONENT OF ANY OTHER MES-
Claim 2
Independent Claim
237 words
AN APPARATUS FOR DECODING AN INFORMATION SIGNAL FROM AN ENCODED DIGITAL BINARY MESSAGE, THE MESSAGE HAVING BEEN EXPOSED TO ERROR CONDITIONS SO THAT EACH SIGNAL IN THE MESSAGE COMPRISES IN EFFECT THE MODULO 2 SUM OF A MESSAGE COMPONENT, AND AN ERROR COMPONENT THAT IS "0" WHEN NO ERROR OCCURS AND "1" WHEN AN ERROR OCCURS, THE MESSAGE HAVING BEEN ENCODED BY A BINARY CONVOLUTIONAL CODE SO THAT THE MESSAGE COMPRISES INFORMATION SIGNALS AND RELATED REDUNDANCY SIGNALS, THE MESSAGE COMPONENT OF EACH INFORMATION SIGNAL COMPRISING AN INFORMATION COMPONENT, THE MESSAGE COMPONENT OF EACH REDUNDANCY SIGNAL COMPRISING A REDUNDANCY COMPONENT FORMED AS THE MODULO 2 SUM OF SELECTED INFORMATION COMPONENTS, EACH INFORMATION COMPONENT BEING A TERM IN A MULTIPLICITY OF SUCH REDUNDANCY COMPONENTS, THE APPARATUS COMPRISING A MODULO 2 ADDER SUBSOLUTION MEANS FOR FORMING BY MODULO 2 ADDITION, A SET OF ORTHOGONAL SUBSOLUTION SIGNALS FOR THE INFORMATION SIGNAL TO BE DECODED, SAID SET OF ORTHOGONAL SUBSOLUTION SIGNALS COMPRISING MORE THAN TWO DISTINCT BINARY SIGNALS IN WHICH EACH SIGNAL HAS AS A TERM THE SAME ONE OF THE COMPONENTS OF SAID INFORMATION SIGNAL BEING DECODED, WHEREBY EACH SUBSOLUTION SIGNAL CAN INDICATE A SOLUTION FOR THE VALUE OF SAID COMPONENT, NO MORE THAN ONE SIGNAL OF SAID SET HAVING AS A TERM THE OTHER COMPONENT OF SAID INFORMATION SIGNAL BEING DECODED, NO MORE THAN ONE SIGNAL OF SAID SET HAVING AS A TERM THE ERROR COMPONENT OF ANY OTHER MES-
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |