FR1030552A - Improvements to calculating machines - Google Patents

Improvements to calculating machines

Info

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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to US636526A priority Critical patent/US2490362A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1030552A publication Critical patent/FR1030552A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/40Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact- making devices, e.g. electro- magnetic relay
    • G06F7/44Multiplying; Dividing
    • G06F7/446Multiplying; Dividing by partial product forming (with electric multiplication table)
FR1030552D 1945-12-21 1946-12-19 Improvements to calculating machines Expired FR1030552A (en)

Priority Applications (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)

* Cited by examiner, † Cited by third party
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
US2829827A (en) * 1954-03-01 1958-04-08 Ibm Electronic multiplying machine
NL264857A (en) * 1954-06-11
US2814443A (en) * 1955-12-27 1957-11-26 Ibm Shaft position indicator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE973157C (en) 1959-12-10
US2490362A (en) 1949-12-06

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FR1030552A (en) Improvements to calculating machines