US3223831A
Expired / Lapsed
US
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Binary division apparatus
Assignee: International Business Machines Corp
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Filing: 1961-12-27
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Granted: 1965-12-14
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Charles R Holleran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:30
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/52; G06F7/535; G06F2207/00; G06F2207/535; G06F2207/5352
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
149 words
APPARATUS FOR PERFORMING BINARY DIVISION IN STEPS, INCLUDING: A REGISTER OPERABLE TO INITIALLY STORE A BINARY DIVIDEND AND SUBSEQUENTLY DURING SUCCESSIVE STEPS TO STORE BINARY PARTIAL DIVIDENDS; MEANS CONNECTED TO SAID REGISTER OPERABLE TO SHIFT THE SOTRED QUANTITY A FIXED NUMBER OF BINARY ORDERS DURING EACH STEP; SOURCE MEANS FOR SUPPLYING A PLURALITY OF MULTIPLES OF A BINARY DIVISOR; SELECTION MEANS CONNECTED TO SAID SOURCE AND TO SAID REGISTER OPERABLE TO SELECT, FOR EACH STEP, A DIVISOR MULTIPLE IN ACCORDANCE WITH THE BINARY VALUE OF PRESELECTED ORDERS OF THE DIVISOR AND THE DIVIDEND INITIALLY AND THE DIVISOR AND THE PARTIAL DIVIDEND DURING SUBSEQUENT STEPS; AN ADDER CONNECTED TO SAID SELECTION MEANS AND TO SAID REGISTER OPERABLE, DURING EACH STEP, TO REPLACE THE QUANTITY STORED IN THE REGISTER WITH THE SUM OF THE DIVISOR SELECTED FOR THE STEP AND THE QUANTITY STORED; QUOTIENT GENERATION MEANS, CONNECTED TO THE ADDER AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |