GB683601A - Improvements in or relating to calculating machines - Google Patents

Improvements in or relating to calculating machines

Info

Publication number
GB683601A
GB683601A GB8644/47A GB864447A GB683601A GB 683601 A GB683601 A GB 683601A GB 8644/47 A GB8644/47 A GB 8644/47A GB 864447 A GB864447 A GB 864447A GB 683601 A GB683601 A GB 683601A
Authority
GB
United Kingdom
Prior art keywords
chain
denomination
carry
digits
units
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
GB8644/47A
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.)
Individual
Original Assignee
Individual
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 NL77681D priority Critical patent/NL77681C/xx
Priority to BE484587D priority patent/BE484587A/xx
Application filed by Individual filed Critical Individual
Priority to GB8644/47A priority patent/GB683601A/en
Priority to CH283812D priority patent/CH283812A/fr
Priority to FR1054753D priority patent/FR1054753A/fr
Publication of GB683601A publication Critical patent/GB683601A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
    • 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.
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
    • H03M7/04—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word the radix thereof being two
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Calculators And Similar Devices (AREA)
GB8644/47A 1947-03-31 1947-03-31 Improvements in or relating to calculating machines Expired GB683601A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL77681D NL77681C (de) 1947-03-31
BE484587D BE484587A (de) 1947-03-31
GB8644/47A GB683601A (en) 1947-03-31 1947-03-31 Improvements in or relating to calculating machines
CH283812D CH283812A (fr) 1947-03-31 1948-08-25 Dispositif pour transposer un nombre binaire en un nombre d'une autre notation à base paire.
FR1054753D FR1054753A (fr) 1947-03-31 1948-09-10 Dispositif pour transposer un nombre binaire en nombre d'une autre notation à base entière

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8644/47A GB683601A (en) 1947-03-31 1947-03-31 Improvements in or relating to calculating machines

Publications (1)

Publication Number Publication Date
GB683601A true GB683601A (en) 1952-12-03

Family

ID=9856454

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8644/47A Expired GB683601A (en) 1947-03-31 1947-03-31 Improvements in or relating to calculating machines

Country Status (5)

Country Link
BE (1) BE484587A (de)
CH (1) CH283812A (de)
FR (1) FR1054753A (de)
GB (1) GB683601A (de)
NL (1) NL77681C (de)

Also Published As

Publication number Publication date
CH283812A (fr) 1952-06-30
BE484587A (de)
NL77681C (de)
FR1054753A (fr) 1954-02-12

Similar Documents

Publication Publication Date Title
US3715746A (en) Keyboard input device
GB593792A (en) Improvements in or relating to calculating apparatus
GB777286A (en) Calculating means
GB683601A (en) Improvements in or relating to calculating machines
US2394925A (en) Electrical calculating machine
GB836234A (en) Electrical comparator network
US3523184A (en) Operational keyboard system
US2872114A (en) Selecting circuit
US2841748A (en) Relay circuit
US2907019A (en) Code translator
GB685441A (en) Improvements in or relating to calculating machines
GB630559A (en) Improvements in or relating to electrical computing apparatus
US3741475A (en) Summing arrangements
GB836237A (en) Electrical comparator network
GB203236A (en) Improvements in calculating machines
GB792342A (en) Improvements in or relating to electrical calculators
US3084860A (en) Decimal to binary number translating device
GB685218A (en) Improvements in or relating to electronic digital computing devices
US3328567A (en) Digital adding and subtracting device
GB700245A (en) Electrical multiplying arrangements
US2919439A (en) Electrical code translator
US3594561A (en) Decimal data-handling equipment
GB817837A (en) Notation conversion machine
GB977404A (en) Photologic circuits
GB794876A (en) Counter