FR1030552A - Improvements to calculating machines - Google Patents
Improvements to calculating machinesInfo
- Publication number
- FR1030552A FR1030552A FR1030552DA FR1030552A FR 1030552 A FR1030552 A FR 1030552A FR 1030552D A FR1030552D A FR 1030552DA FR 1030552 A FR1030552 A FR 1030552A
- Authority
- FR
- France
- Prior art keywords
- calculating machines
- machines
- calculating
- 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
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
- G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
- G06F7/44—Multiplying; Dividing
- G06F7/446—Multiplying; Dividing by partial product forming (with electric multiplication table)
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Analysis (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US636526A US2490362A (en) | 1945-12-21 | 1945-12-21 | Record controlled calculating machine |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1030552A true FR1030552A (en) | 1953-06-15 |
Family
ID=24552277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1030552D Expired FR1030552A (en) | 1945-12-21 | 1946-12-19 | Improvements to calculating machines |
Country Status (3)
Country | Link |
---|---|
US (1) | US2490362A (en) |
DE (1) | DE973157C (en) |
FR (1) | FR1030552A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2608348A (en) * | 1948-08-30 | 1952-08-26 | Comm Engineering Pty Ltd | Registering arrangement for article dispensing systems |
NO84202A (en) * | 1948-10-08 | |||
US2719670A (en) * | 1949-10-18 | 1955-10-04 | Jacobs | Electrical and electronic digital computers |
US2814442A (en) * | 1953-07-14 | 1957-11-26 | Ibm | Counter for shaft position indicator |
DE1051030B (en) * | 1954-01-15 | 1959-02-19 | IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Württ.) | Electronic multiplication machine |
US2829827A (en) * | 1954-03-01 | 1958-04-08 | Ibm | Electronic multiplying machine |
BE538906A (en) * | 1954-06-11 | |||
US2814443A (en) * | 1955-12-27 | 1957-11-26 | Ibm | Shaft position indicator |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE439515C (en) * | 1924-06-24 | 1927-01-11 | Siemens Ag | Crystal detector with needle contact |
US2165298A (en) * | 1929-02-28 | 1939-07-11 | Ibm | Automatically controlled calculating mechanism |
GB358105A (en) * | 1929-07-05 | 1931-10-05 | British Tabulating Mach Co Ltd | Improvements in or relating to record-card controlled calculating machines |
FR782457A (en) * | 1932-11-19 | 1935-06-24 | ||
NL51358C (en) * | 1933-02-01 | |||
US2176933A (en) * | 1933-03-30 | 1939-10-24 | Addressograph Multigraph | Calculating and accounting machine |
US2126666A (en) * | 1935-11-14 | 1938-08-09 | Ibm | Multiplying machine |
GB483578A (en) * | 1936-10-21 | 1938-04-21 | Ibm | Improvements in or relating to record-controlled multiplying machines |
US2228330A (en) * | 1937-06-09 | 1941-01-14 | Ibm | Calculating machine |
US2350499A (en) * | 1940-12-24 | 1944-06-06 | Ibm | Multiplying machine |
-
1945
- 1945-12-21 US US636526A patent/US2490362A/en not_active Expired - Lifetime
-
1946
- 1946-12-19 FR FR1030552D patent/FR1030552A/en not_active Expired
-
1950
- 1950-09-24 DE DEI2125A patent/DE973157C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE973157C (en) | 1959-12-10 |
US2490362A (en) | 1949-12-06 |
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