GB432640A - Improvements in or relating to record-card controlled calculating machines - Google Patents

Improvements in or relating to record-card controlled calculating machines

Info

Publication number
GB432640A
GB432640A GB3211/34A GB321134A GB432640A GB 432640 A GB432640 A GB 432640A GB 3211/34 A GB3211/34 A GB 3211/34A GB 321134 A GB321134 A GB 321134A GB 432640 A GB432640 A GB 432640A
Authority
GB
United Kingdom
Prior art keywords
expression
terms
card
switches
counter
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
GB3211/34A
Other languages
English (en)
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
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 British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Publication of GB432640A publication Critical patent/GB432640A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/46—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators
    • G06F7/462—Multiplying; dividing
    • G06F7/465—Multiplying; dividing by partial product forming (with electric multiplication table)

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Credit Cards Or The Like (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
GB3211/34A 1933-02-01 1934-01-31 Improvements in or relating to record-card controlled calculating machines Expired GB432640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US654619A US2120228A (en) 1933-02-01 1933-02-01 Accounting machine

Publications (1)

Publication Number Publication Date
GB432640A true GB432640A (en) 1935-07-31

Family

ID=24625587

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3211/34A Expired GB432640A (en) 1933-02-01 1934-01-31 Improvements in or relating to record-card controlled calculating machines

Country Status (5)

Country Link
US (1) US2120228A (enExample)
DE (1) DE658176C (enExample)
FR (1) FR796108A (enExample)
GB (1) GB432640A (enExample)
NL (1) NL51358C (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484462A (en) * 1944-05-25 1949-10-11 Gen Railway Signal Co Airway traffic control system
US2490362A (en) * 1945-12-21 1949-12-06 Ibm Record controlled calculating machine
FR2472121A1 (fr) * 1979-12-19 1981-06-26 Retel J R Dispositif hydraulique de transmission rotative a limitation de couple
US6090056A (en) * 1997-08-27 2000-07-18 Emergency Medical Systems, Inc. Resuscitation and alert system

Also Published As

Publication number Publication date
DE658176C (de) 1938-03-30
FR796108A (fr) 1936-03-30
US2120228A (en) 1938-06-14
NL51358C (enExample)

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