US3229078A
Expired / Lapsed
US
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Assignee: International Business Machines Corp
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Filing: 1962-06-29
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Granted: 1966-01-11
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Boland
- 👤 Keslin Robert
- 👤 Gerald H Ottaway
- 👤 William V Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:25
CPC Classifications
H; H03; H03M; H03M7/00; H03M7/02; H03M7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
CODE CONVERTER MECHANISM FOR CONVERTING A NUMBERVALUE EXPRESSED AS A SEQUENCE OF ORDERED BYTES IN A FIRST CODE INTO AN EQUAL NUMBER-VALUE EXPRESSED AS A SEQUENCE OF ORDERED DIGITS IN A SECOND CODE, USING PARTIAL RESULTS ACCUMULATION TECHNIQUES ACCORDING T THE ALGORITHM. MULITPLY THE PARTIAL RESULT ACCUMULATION BY THE FIRST CODE RADIX AND ADD THE NEXT LOWER BYTE TO FORM A NEW PARTIAL RESULT ACCUMULATION (PERFORMING OPERATIONS IN THE SECOND CODE) COMPRISING: PROGRAM MEANS PROVIDING A SEQUENCE OF OPERATION CONTROL SIGNALS DEFINING A SEQUENCE OF MINOR CYCLES AND A SEQUENCE OF MAJOR CYCLES, EACH MAJOR CYCLE INCLUDING AN INITIAL MINOR CYCLE AND A GIVEN NUMBER OF SECONDARY MINOR CYCLES; A BYTE DISTRIBUTOR RESPONSIVE TO MAJOR CYCLE CONTROL SIGNALS FROM SAID PROGRAM MEANS TO ACCESS BYTE POSITIONS IN DESCENDING ORDER UPON SUCCESSIVE MAJOR CYCLES; A DIGIT DISTRIBUTOR RESPONSIVE TO MINOR CYCLE CONTROL SIGNALS FROM SAID PROGRAM MEANS TO ACCESS THE LOW ORDER DIGIT POSITION ON INITIAL MINOR CYCLES AND TO ACCESS SUCCESSIVE ASCENDING ORDER DIGIT POSITIONS UPON SUCCESSIVE SECONDARY MINOR CYCLES; TABLE LOOKUP MEANS CONNECTED TO SAID DIGIT DISTRIBUTOR REGISTER IN SUCH MANNER THAT THE ACCESSED DIGIT REFERENCES A TABLE OUTPUT INCLUDING ITS "TIMES THE RADIX" MUTIPLE VALUE IN MIXED NUMBER FORM WITH THE HIGH
Claim 2
Dependent Claim
204 words
CODE CONVERTER MECHANISM FOR CONVERTING A NUMBERVALUE EXPRESSED AS A SEQUENCE OF ORDERED BYTES IN A FIRST CODE INTO AN EQUAL NUMBER-VALUE EXPRESSED AS A SEQUENCE OF ORDERED DIGITS IN A SECOND CODE, USING PARTIAL RESULTS ACCUMULATION TECHNIQUES ACCORDING T THE ALGORITHM. MULITPLY THE PARTIAL RESULT ACCUMULATION BY THE FIRST CODE RADIX AND ADD THE NEXT LOWER BYTE TO FORM A NEW PARTIAL RESULT ACCUMULATION (PERFORMING OPERATIONS IN THE SECOND CODE) COMPRISING: PROGRAM MEANS PROVIDING A SEQUENCE OF OPERATION CONTROL SIGNALS DEFINING A SEQUENCE OF MINOR CYCLES AND A SEQUENCE OF MAJOR CYCLES, EACH MAJOR CYCLE INCLUDING AN INITIAL MINOR CYCLE AND A GIVEN NUMBER OF SECONDARY MINOR CYCLES; A BYTE DISTRIBUTOR RESPONSIVE TO MAJOR CYCLE CONTROL SIGNALS FROM SAID PROGRAM MEANS TO ACCESS BYTE POSITIONS IN DESCENDING ORDER UPON SUCCESSIVE MAJOR CYCLES; A DIGIT DISTRIBUTOR RESPONSIVE TO MINOR CYCLE CONTROL SIGNALS FROM SAID PROGRAM MEANS TO ACCESS THE LOW ORDER DIGIT POSITION ON INITIAL MINOR CYCLES AND TO ACCESS SUCCESSIVE ASCENDING ORDER DIGIT POSITIONS UPON SUCCESSIVE SECONDARY MINOR CYCLES; TABLE LOOKUP MEANS CONNECTED TO SAID DIGIT DISTRIBUTOR REGISTER IN SUCH MANNER THAT THE ACCESSED DIGIT REFERENCES A TABLE OUTPUT INCLUDING ITS "TIMES THE RADIX" MUTIPLE VALUE IN MIXED NUMBER FORM WITH THE HIGH
References Cited (Backward Citations)
US3018959A
Cited
US3031650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |