US2977048A - Automatic calculator - Google Patents

Automatic calculator Download PDF

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Publication number
US2977048A
US2977048A US716680A US71668046A US2977048A US 2977048 A US2977048 A US 2977048A US 716680 A US716680 A US 716680A US 71668046 A US71668046 A US 71668046A US 2977048 A US2977048 A US 2977048A
Authority
US
United States
Prior art keywords
automatic calculator
calculator
automatic
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
Application number
US716680A
Inventor
Ernest G Andrews
Edward L Vibbard
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.)
AT&T Corp
Original Assignee
Bell Telephone Laboratories Inc
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
Application filed by Bell Telephone Laboratories Inc filed Critical Bell Telephone Laboratories Inc
Priority to US716680A priority Critical patent/US2977048A/en
Application granted granted Critical
Publication of US2977048A publication Critical patent/US2977048A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR 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. electromagnetic relay
    • G06F7/44Multiplying; Dividing
    • G06F7/446Multiplying; Dividing by partial product forming (with electric multiplication table)

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
US716680A 1946-12-17 1946-12-17 Automatic calculator Expired - Lifetime US2977048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US716680A US2977048A (en) 1946-12-17 1946-12-17 Automatic calculator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US716680A US2977048A (en) 1946-12-17 1946-12-17 Automatic calculator

Publications (1)

Publication Number Publication Date
US2977048A true US2977048A (en) 1961-03-28

Family

ID=24878984

Family Applications (1)

Application Number Title Priority Date Filing Date
US716680A Expired - Lifetime US2977048A (en) 1946-12-17 1946-12-17 Automatic calculator

Country Status (1)

Country Link
US (1) US2977048A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210256491A1 (en) * 2010-03-02 2021-08-19 Lightspeed Commerce USA. Inc. System and method for remote management of sale transaction data

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1694009A (en) * 1919-08-11 1928-12-04 Ncr Co Auditing machine
US1761662A (en) * 1923-02-26 1930-06-03 Ncr Co Auditing machine
US1874184A (en) * 1926-09-07 1932-08-30 Ncr Co Auditing machine
US2019704A (en) * 1930-03-11 1935-11-05 Ncr Co Electrical calculating machine
US2244241A (en) * 1937-10-01 1941-06-03 Ibm Cross-adding accounting machine and programing means therefor
US2262235A (en) * 1938-07-21 1941-11-11 Ncr Co Electric calculating machine
US2271249A (en) * 1929-07-05 1942-01-27 Ibm Multiplying and accounting machine
US2318591A (en) * 1936-03-27 1943-05-11 Couffignal Pierre Louis Apparatus calling for a material representation of numbers
US2332755A (en) * 1940-04-27 1943-10-26 Ncr Co Accounting machine
US2343273A (en) * 1938-07-20 1944-03-07 Marchant Calculating Machine Calculating machine
US2344885A (en) * 1938-10-21 1944-03-21 Int Standard Electric Corp Electrical calculating equipment
US2425549A (en) * 1944-08-31 1947-08-12 Ibm Calculation checking device
GB600896A (en) * 1945-02-08 1948-04-21 British Tabulating Mach Co Ltd Improvements in or relating to calculating machines

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1694009A (en) * 1919-08-11 1928-12-04 Ncr Co Auditing machine
US1761662A (en) * 1923-02-26 1930-06-03 Ncr Co Auditing machine
US1874184A (en) * 1926-09-07 1932-08-30 Ncr Co Auditing machine
US2271249A (en) * 1929-07-05 1942-01-27 Ibm Multiplying and accounting machine
US2019704A (en) * 1930-03-11 1935-11-05 Ncr Co Electrical calculating machine
US2318591A (en) * 1936-03-27 1943-05-11 Couffignal Pierre Louis Apparatus calling for a material representation of numbers
US2244241A (en) * 1937-10-01 1941-06-03 Ibm Cross-adding accounting machine and programing means therefor
US2343273A (en) * 1938-07-20 1944-03-07 Marchant Calculating Machine Calculating machine
US2262235A (en) * 1938-07-21 1941-11-11 Ncr Co Electric calculating machine
US2344885A (en) * 1938-10-21 1944-03-21 Int Standard Electric Corp Electrical calculating equipment
US2332755A (en) * 1940-04-27 1943-10-26 Ncr Co Accounting machine
US2425549A (en) * 1944-08-31 1947-08-12 Ibm Calculation checking device
GB600896A (en) * 1945-02-08 1948-04-21 British Tabulating Mach Co Ltd Improvements in or relating to calculating machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210256491A1 (en) * 2010-03-02 2021-08-19 Lightspeed Commerce USA. Inc. System and method for remote management of sale transaction data

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