NL276777A - - Google Patents
Info
- Publication number
- NL276777A NL276777A NL276777DA NL276777A NL 276777 A NL276777 A NL 276777A NL 276777D A NL276777D A NL 276777DA NL 276777 A NL276777 A NL 276777A
- Authority
- NL
- Netherlands
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
- G06F7/50—Adding; Subtracting
- G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
- G06F7/502—Half adders; Full adders consisting of two cascaded half adders
-
- 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
- G06F7/491—Computations with decimal numbers radix 12 or 20.
- G06F7/492—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination
- G06F7/493—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination the representation being the natural binary coded representation, i.e. 8421-code
- G06F7/494—Adding; Subtracting
-
- 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
- G06F7/50—Adding; Subtracting
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/492—Indexing scheme relating to groups G06F7/492 - G06F7/496
- G06F2207/4924—Digit-parallel adding or subtracting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Optimization (AREA)
- General Engineering & Computer Science (AREA)
- Logic Circuits (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US100735A US3189735A (en) | 1961-04-04 | 1961-04-04 | Parallel coded digit adder |
Publications (1)
Publication Number | Publication Date |
---|---|
NL276777A true NL276777A (de) |
Family
ID=22281260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL276777D NL276777A (de) | 1961-04-04 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3189735A (de) |
CH (1) | CH382476A (de) |
DE (1) | DE1162602B (de) |
GB (1) | GB925392A (de) |
NL (1) | NL276777A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3509328A (en) * | 1965-03-15 | 1970-04-28 | Bell Telephone Labor Inc | Code conversion |
US4558411A (en) * | 1969-05-19 | 1985-12-10 | Burroughs Corp. | Polymorphic programmable units employing plural levels of sub-instruction sets |
DE2352686B2 (de) * | 1973-10-20 | 1978-05-11 | Vereinigte Flugtechnische Werke- Fokker Gmbh, 2800 Bremen | Dezimaler Parallel-Addierer/Substrahierer |
DE2460897C3 (de) * | 1974-12-21 | 1978-10-05 | Olympia Werke Ag, 2940 Wilhelmshaven | Parallel-Rechenwerk für Addition und Subtraktion |
US4528641A (en) * | 1982-11-16 | 1985-07-09 | The United States Of America As Represented By The Secretary Of The Air Force | Variable radix processor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2928601A (en) * | 1952-03-25 | 1960-03-15 | Hughes Aircraft Co | Arithmetic units for decimal coded binary computers |
US2705108A (en) * | 1952-08-14 | 1955-03-29 | Jr Joseph J Stone | Electronic adder-accumulator |
US2886241A (en) * | 1952-08-26 | 1959-05-12 | Rca Corp | Code converter |
US2799450A (en) * | 1953-12-30 | 1957-07-16 | Hughes Aircraft Co | Electronic circuits for complementing binary-coded decimal numbers |
GB767694A (en) * | 1954-06-14 | 1957-02-06 | British Tabulating Mach Co Ltd | Improvements in or relating to electronic summing devices |
NL222924A (de) * | 1956-12-03 | |||
NL133891C (de) * | 1957-04-02 | |||
US2981471A (en) * | 1957-12-09 | 1961-04-25 | Honeywell Regulator Co | Information manipulating apparatus |
US3074639A (en) * | 1958-08-12 | 1963-01-22 | Philips Corp | Fast-operating adder circuits |
US3100836A (en) * | 1960-02-24 | 1963-08-13 | Ibm | Add one adder |
-
0
- NL NL276777D patent/NL276777A/xx unknown
-
1961
- 1961-04-04 US US100735A patent/US3189735A/en not_active Expired - Lifetime
-
1962
- 1962-03-01 GB GB7986/62A patent/GB925392A/en not_active Expired
- 1962-03-31 DE DEN21407A patent/DE1162602B/de active Pending
- 1962-04-06 CH CH420762A patent/CH382476A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE1162602B (de) | 1964-02-06 |
GB925392A (en) | 1963-05-08 |
CH382476A (fr) | 1964-09-30 |
US3189735A (en) | 1965-06-15 |