US2658681A - Electronic calculator - Google Patents
Electronic calculator Download PDFInfo
- Publication number
- US2658681A US2658681A US38078A US3807848A US2658681A US 2658681 A US2658681 A US 2658681A US 38078 A US38078 A US 38078A US 3807848 A US3807848 A US 3807848A US 2658681 A US2658681 A US 2658681A
- Authority
- US
- United States
- Prior art keywords
- electronic calculator
- calculator
- electronic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- G06F7/491—Computations with decimal numbers radix 12 or 20.
- G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
- G06F7/4983—Multiplying; Dividing
- G06F7/4985—Multiplying; Dividing by successive additions or subtractions
Landscapes
- Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electrotherapy Devices (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE490003D BE490003A (en) | 1948-07-09 | ||
NL214607D NL214607A (en) | 1948-07-09 | ||
IT454514D IT454514A (en) | 1948-07-09 | ||
US38078A US2658681A (en) | 1948-07-09 | 1948-07-09 | Electronic calculator |
CH291687D CH291687A (en) | 1948-07-09 | 1949-07-05 | Electronic device. |
FR1051750D FR1051750A (en) | 1948-07-09 | 1949-07-07 | Electronic calculator |
GB18102/49A GB673759A (en) | 1948-07-09 | 1949-07-08 | Improvements in calculating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38078A US2658681A (en) | 1948-07-09 | 1948-07-09 | Electronic calculator |
Publications (1)
Publication Number | Publication Date |
---|---|
US2658681A true US2658681A (en) | 1953-11-10 |
Family
ID=21897977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US38078A Expired - Lifetime US2658681A (en) | 1948-07-09 | 1948-07-09 | Electronic calculator |
Country Status (7)
Country | Link |
---|---|
US (1) | US2658681A (en) |
BE (1) | BE490003A (en) |
CH (1) | CH291687A (en) |
FR (1) | FR1051750A (en) |
GB (1) | GB673759A (en) |
IT (1) | IT454514A (en) |
NL (1) | NL214607A (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2886239A (en) * | 1954-02-16 | 1959-05-12 | Willem Hendrik Theodorus Helmi | Check symbol computer |
US2905383A (en) * | 1956-11-29 | 1959-09-22 | Ibm | Register zero test |
US2923469A (en) * | 1954-01-15 | 1960-02-02 | Ibm | Electronic calculator |
US2942780A (en) * | 1954-07-01 | 1960-06-28 | Ibm | Multiplier-divider employing transistors |
US2954926A (en) * | 1953-01-13 | 1960-10-04 | Sperry Rand Corp | Electronic data processing system |
US2957626A (en) * | 1955-11-21 | 1960-10-25 | Ibm | High-speed electronic calculator |
US2965297A (en) * | 1957-08-08 | 1960-12-20 | Burroughs Corp | Floating point arithmetic comparison circuit |
US2973901A (en) * | 1953-03-17 | 1961-03-07 | Ibm | Digital computing engines |
US2982472A (en) * | 1955-05-02 | 1961-05-02 | Harry D Huskey | Binary digital computer with magnetic drum storage |
US2986333A (en) * | 1955-06-08 | 1961-05-30 | Albert G Thomas | Portable electronic computer |
US3012722A (en) * | 1956-08-31 | 1961-12-12 | Minneanolis Honeywell Regulato | Checking circutiry for data processing apparatus |
US3021066A (en) * | 1956-12-17 | 1962-02-13 | Kienzle Apparate Gmbh | Electronic calculator |
US3037700A (en) * | 1956-11-29 | 1962-06-05 | Ibm | Indexing registers for calculators |
US3039690A (en) * | 1955-11-16 | 1962-06-19 | Int Computers & Tabulators Ltd | Computing machines |
US3061192A (en) * | 1958-08-18 | 1962-10-30 | Sylvania Electric Prod | Data processing system |
US3079082A (en) * | 1958-06-30 | 1963-02-26 | Electrologica Nv | Electronic computer with interrupt feature |
US3112394A (en) * | 1959-12-15 | 1963-11-26 | Ncr Co | Electronic computing machine |
US3138702A (en) * | 1959-10-02 | 1964-06-23 | Tally Register Corp | Automatic sequence controlled computer |
US3157862A (en) * | 1959-09-30 | 1964-11-17 | Honeywell Inc | Controller for a computer apparatus |
US3214573A (en) * | 1961-08-10 | 1965-10-26 | Gen Time Corp | Digital storage and readout device |
US3291040A (en) * | 1959-12-15 | 1966-12-13 | Ncr Co | Print read-out in computer systems using stored programs |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2056403A (en) * | 1932-01-06 | 1936-10-06 | Ibm | Accumulating device |
US2176933A (en) * | 1933-03-30 | 1939-10-24 | Addressograph Multigraph | Calculating and accounting machine |
US2209434A (en) * | 1935-02-27 | 1940-07-30 | Ibm | Record controlled machine |
US2224774A (en) * | 1936-06-24 | 1940-12-10 | Ibm | Tabulating machine |
US2328610A (en) * | 1938-06-10 | 1943-09-07 | Ibm | Multiplying and dividing machine |
US2359631A (en) * | 1941-04-15 | 1944-10-03 | Ibm | Dividing machine |
US2402988A (en) * | 1941-05-23 | 1946-07-02 | Ibm | Accounting apparatus |
US2404697A (en) * | 1942-03-21 | 1946-07-23 | Ncr Co | Calculating device |
US2404739A (en) * | 1940-07-18 | 1946-07-23 | Ncr Co | Calculating machine |
US2442428A (en) * | 1943-12-27 | 1948-06-01 | Ncr Co | Calculating device |
US2502360A (en) * | 1947-03-14 | 1950-03-28 | Bell Telephone Labor Inc | Electronic computer |
US2516189A (en) * | 1946-01-24 | 1950-07-25 | Gen Motors Corp | Precision aircraft tachometer |
US2528100A (en) * | 1946-05-31 | 1950-10-31 | Bell Telephone Labor Inc | Electronic calculator |
US2587979A (en) * | 1946-10-22 | 1952-03-04 | Ibm | Electronic system |
-
0
- NL NL214607D patent/NL214607A/xx unknown
- BE BE490003D patent/BE490003A/xx unknown
- IT IT454514D patent/IT454514A/it unknown
-
1948
- 1948-07-09 US US38078A patent/US2658681A/en not_active Expired - Lifetime
-
1949
- 1949-07-05 CH CH291687D patent/CH291687A/en unknown
- 1949-07-07 FR FR1051750D patent/FR1051750A/en not_active Expired
- 1949-07-08 GB GB18102/49A patent/GB673759A/en not_active Expired
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2056403A (en) * | 1932-01-06 | 1936-10-06 | Ibm | Accumulating device |
US2176933A (en) * | 1933-03-30 | 1939-10-24 | Addressograph Multigraph | Calculating and accounting machine |
US2209434A (en) * | 1935-02-27 | 1940-07-30 | Ibm | Record controlled machine |
US2224774A (en) * | 1936-06-24 | 1940-12-10 | Ibm | Tabulating machine |
US2328610A (en) * | 1938-06-10 | 1943-09-07 | Ibm | Multiplying and dividing machine |
US2404739A (en) * | 1940-07-18 | 1946-07-23 | Ncr Co | Calculating machine |
US2359631A (en) * | 1941-04-15 | 1944-10-03 | Ibm | Dividing machine |
US2402988A (en) * | 1941-05-23 | 1946-07-02 | Ibm | Accounting apparatus |
US2404697A (en) * | 1942-03-21 | 1946-07-23 | Ncr Co | Calculating device |
US2442428A (en) * | 1943-12-27 | 1948-06-01 | Ncr Co | Calculating device |
US2516189A (en) * | 1946-01-24 | 1950-07-25 | Gen Motors Corp | Precision aircraft tachometer |
US2528100A (en) * | 1946-05-31 | 1950-10-31 | Bell Telephone Labor Inc | Electronic calculator |
US2587979A (en) * | 1946-10-22 | 1952-03-04 | Ibm | Electronic system |
US2502360A (en) * | 1947-03-14 | 1950-03-28 | Bell Telephone Labor Inc | Electronic computer |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2954926A (en) * | 1953-01-13 | 1960-10-04 | Sperry Rand Corp | Electronic data processing system |
US2973901A (en) * | 1953-03-17 | 1961-03-07 | Ibm | Digital computing engines |
US2923469A (en) * | 1954-01-15 | 1960-02-02 | Ibm | Electronic calculator |
US2886239A (en) * | 1954-02-16 | 1959-05-12 | Willem Hendrik Theodorus Helmi | Check symbol computer |
US2942780A (en) * | 1954-07-01 | 1960-06-28 | Ibm | Multiplier-divider employing transistors |
US2982472A (en) * | 1955-05-02 | 1961-05-02 | Harry D Huskey | Binary digital computer with magnetic drum storage |
US2986333A (en) * | 1955-06-08 | 1961-05-30 | Albert G Thomas | Portable electronic computer |
US3039690A (en) * | 1955-11-16 | 1962-06-19 | Int Computers & Tabulators Ltd | Computing machines |
US2957626A (en) * | 1955-11-21 | 1960-10-25 | Ibm | High-speed electronic calculator |
US3012722A (en) * | 1956-08-31 | 1961-12-12 | Minneanolis Honeywell Regulato | Checking circutiry for data processing apparatus |
US3037700A (en) * | 1956-11-29 | 1962-06-05 | Ibm | Indexing registers for calculators |
US2905383A (en) * | 1956-11-29 | 1959-09-22 | Ibm | Register zero test |
US3021066A (en) * | 1956-12-17 | 1962-02-13 | Kienzle Apparate Gmbh | Electronic calculator |
US2965297A (en) * | 1957-08-08 | 1960-12-20 | Burroughs Corp | Floating point arithmetic comparison circuit |
US3079082A (en) * | 1958-06-30 | 1963-02-26 | Electrologica Nv | Electronic computer with interrupt feature |
US3061192A (en) * | 1958-08-18 | 1962-10-30 | Sylvania Electric Prod | Data processing system |
US3157862A (en) * | 1959-09-30 | 1964-11-17 | Honeywell Inc | Controller for a computer apparatus |
US3138702A (en) * | 1959-10-02 | 1964-06-23 | Tally Register Corp | Automatic sequence controlled computer |
US3112394A (en) * | 1959-12-15 | 1963-11-26 | Ncr Co | Electronic computing machine |
US3291040A (en) * | 1959-12-15 | 1966-12-13 | Ncr Co | Print read-out in computer systems using stored programs |
US3214573A (en) * | 1961-08-10 | 1965-10-26 | Gen Time Corp | Digital storage and readout device |
Also Published As
Publication number | Publication date |
---|---|
BE490003A (en) | |
FR1051750A (en) | 1954-01-19 |
CH291687A (en) | 1953-06-30 |
NL214607A (en) | |
IT454514A (en) | |
GB673759A (en) | 1952-06-11 |
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