GB577895A - Improvements in or relating to electrically operated calculating equipment - Google Patents

Improvements in or relating to electrically operated calculating equipment

Info

Publication number
GB577895A
GB577895A GB7169/41A GB716941A GB577895A GB 577895 A GB577895 A GB 577895A GB 7169/41 A GB7169/41 A GB 7169/41A GB 716941 A GB716941 A GB 716941A GB 577895 A GB577895 A GB 577895A
Authority
GB
United Kingdom
Prior art keywords
relays
radix
digit
equivalent
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
GB7169/41A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB577895A publication Critical patent/GB577895A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B19/00Oxazine dyes
    • C09B19/02Bisoxazines prepared from aminoquinones
    • GPHYSICS
    • G06COMPUTING OR 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. electromagnetic relay

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)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Input From Keyboards Or The Like (AREA)
GB7169/41A 1941-06-06 1941-06-06 Improvements in or relating to electrically operated calculating equipment Expired GB577895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB275850X 1941-06-06

Publications (1)

Publication Number Publication Date
GB577895A true GB577895A (en) 1946-06-05

Family

ID=10262023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7169/41A Expired GB577895A (en) 1941-06-06 1941-06-06 Improvements in or relating to electrically operated calculating equipment

Country Status (4)

Country Link
BE (1) BE476927A (enrdf_load_stackoverflow)
CH (1) CH275850A (enrdf_load_stackoverflow)
FR (1) FR939237A (enrdf_load_stackoverflow)
GB (1) GB577895A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH275850A (fr) 1951-06-15
BE476927A (enrdf_load_stackoverflow)
FR939237A (fr) 1948-11-08

Similar Documents

Publication Publication Date Title
GB577940A (en) Improvements in or relating to electrically operated calculating apparatus
GB525396A (en) Improvements in or relating to electrically-operated calculator equipment
GB688049A (en) Improvements in or relating to electric data-comparing circuits
GB777286A (en) Calculating means
GB716486A (en) Improvements in apparatus for electrically performing the mathematical operation of converting a number from one scale of notation into another
GB769726A (en) Improvements relating to digital calculating apparatus
GB577893A (en) Improvements in or relating to electrically operated calculating equipment
GB577895A (en) Improvements in or relating to electrically operated calculating equipment
GB583973A (en) Improvements in or relating to accounting machines
US2563102A (en) Digit indicator
GB571270A (en) Electrical calculating apparatus
US2856597A (en) Matrix translator
GB815545A (en) Improvements in or relating to code translators
GB630559A (en) Improvements in or relating to electrical computing apparatus
GB957088A (en) Electric switches for weak or medium currents, actuated by a removable key
SE309053B (enrdf_load_stackoverflow)
US2362702A (en) Calculating machine
GB1105728A (en) Key-operated electric circuit controller
US3084860A (en) Decimal to binary number translating device
GB792342A (en) Improvements in or relating to electrical calculators
GB531991A (en) Multiple push-button switch
GB748331A (en) Improvements in apparatus for converting numbers from one system of enumeration to another
GB560467A (en) Improvements in multiple press buttons, particularly applicable to electric switches
GB893221A (en) Apparatus for entering and processing decimal numbers in calculating machines
GB203236A (en) Improvements in calculating machines