BE528222A - - Google Patents
Info
- Publication number
- BE528222A BE528222A BE528222DA BE528222A BE 528222 A BE528222 A BE 528222A BE 528222D A BE528222D A BE 528222DA BE 528222 A BE528222 A BE 528222A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/52—Multiplying; Dividing
- G06F7/523—Multiplying only
- G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
- G06F7/5334—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Logic Circuits (AREA)
- Complex Calculations (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB327350X | 1953-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE528222A true BE528222A (xx) |
Family
ID=10343227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE528222D BE528222A (xx) | 1953-04-20 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2856126A (xx) |
| BE (1) | BE528222A (xx) |
| CH (1) | CH327350A (xx) |
| DE (1) | DE1046917B (xx) |
| FR (1) | FR1104050A (xx) |
| GB (1) | GB788927A (xx) |
| NL (2) | NL106122C (xx) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL202210A (xx) * | 1954-11-22 | |||
| DE1051031B (de) * | 1954-11-23 | 1959-02-19 | IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Württ.) | Teilproduktbildner |
| US3016195A (en) * | 1954-12-30 | 1962-01-09 | Ibm | Binary multiplier |
| US3021062A (en) * | 1955-08-08 | 1962-02-13 | Digital Control Systems Inc | Methods and apparatus for differentiating difunction signl trains |
| DE1203024B (de) * | 1956-01-17 | 1965-10-14 | Fuji Tsushinki Seizo Kabushiki | Schaltungsanordnung fuer einen aus einer Kombination von Vervielfachungsstromkreisenaufgebauten Multiplikator |
| US3201762A (en) * | 1957-01-25 | 1965-08-17 | Honeywell Inc | Electrical data processing apparatus |
| US3069085A (en) * | 1958-04-15 | 1962-12-18 | Ibm | Binary digital multiplier |
| US3123707A (en) * | 1960-03-18 | 1964-03-03 | Computing machines | |
| NL260164A (xx) * | 1960-03-30 | |||
| US3185825A (en) * | 1961-05-23 | 1965-05-25 | Ibm | Method and apparatus for translating decimal numbers to equivalent binary numbers |
| US3221158A (en) * | 1961-06-28 | 1965-11-30 | Ibm | Combinatorial word analyzer |
| NL282621A (xx) * | 1961-08-30 | |||
| US3115574A (en) * | 1961-11-29 | 1963-12-24 | Ibm | High-speed multiplier |
| US3192367A (en) * | 1962-05-09 | 1965-06-29 | Sperry Rand Corp | Fast multiply system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2166928A (en) * | 1934-05-10 | 1939-07-25 | Ibm | Multiplying machine |
| US2332304A (en) * | 1936-10-27 | 1943-10-19 | Addressograph Multigraph | Printing and calculating machine |
| BE437366A (xx) * | 1938-10-21 | |||
| US2304495A (en) * | 1941-05-17 | 1942-12-08 | Ibm | Multiplying machine |
| US2604262A (en) * | 1949-01-19 | 1952-07-22 | Ibm | Multiplying and dividing means |
-
0
- NL NLAANVRAGE7807146,A patent/NL186882B/xx unknown
- NL NL106122D patent/NL106122C/xx active
- BE BE528222D patent/BE528222A/xx unknown
-
1953
- 1953-04-20 GB GB10798/53A patent/GB788927A/en not_active Expired
-
1954
- 1954-04-13 US US422886A patent/US2856126A/en not_active Expired - Lifetime
- 1954-04-20 DE DEN8779A patent/DE1046917B/de active Pending
- 1954-04-20 FR FR1104050D patent/FR1104050A/fr not_active Expired
- 1954-04-20 CH CH327350D patent/CH327350A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2856126A (en) | 1958-10-14 |
| DE1046917B (de) | 1958-12-18 |
| FR1104050A (fr) | 1955-11-15 |
| NL186882B (nl) | |
| CH327350A (fr) | 1958-01-31 |
| GB788927A (en) | 1958-01-08 |
| NL106122C (xx) |