GB1273747A - Improvements in or relating to calculating machines - Google Patents

Improvements in or relating to calculating machines

Info

Publication number
GB1273747A
GB1273747A GB8579/69A GB857969A GB1273747A GB 1273747 A GB1273747 A GB 1273747A GB 8579/69 A GB8579/69 A GB 8579/69A GB 857969 A GB857969 A GB 857969A GB 1273747 A GB1273747 A GB 1273747A
Authority
GB
United Kingdom
Prior art keywords
register
relating
calculating machines
digit
accumulator
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
GB8579/69A
Inventor
James John Drage
Norbert Kitz
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.)
Bell Punch Co Ltd
Original Assignee
Bell Punch 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 Bell Punch Co Ltd filed Critical Bell Punch Co Ltd
Priority to GB8579/69A priority Critical patent/GB1273747A/en
Priority to US844931A priority patent/US3612846A/en
Publication of GB1273747A publication Critical patent/GB1273747A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Punching Or Piercing (AREA)
  • Calculators And Similar Devices (AREA)

Abstract

1,273,747. Calculators. BELL PUNCH CO. Ltd. 28 May, 1969 [17 Feb., 1969], No. 8579/69. Heading G4A. A calculating machine includes an input register and an accumulator register, and operation of an "enter" key controls the clearing of a register selected according to the previous operation performed, the input register contents being added into the accumulator register with the sum being transferred seriallyby-digit via a single-digit store into both registers. The disclosure is as in Specification 1,265,582 (referred to).
GB8579/69A 1969-02-17 1969-02-17 Improvements in or relating to calculating machines Expired GB1273747A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8579/69A GB1273747A (en) 1969-02-17 1969-02-17 Improvements in or relating to calculating machines
US844931A US3612846A (en) 1969-02-17 1969-07-25 Calculating machines with control circuits to enter first number

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8579/69A GB1273747A (en) 1969-02-17 1969-02-17 Improvements in or relating to calculating machines

Publications (1)

Publication Number Publication Date
GB1273747A true GB1273747A (en) 1972-05-10

Family

ID=9855194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8579/69A Expired GB1273747A (en) 1969-02-17 1969-02-17 Improvements in or relating to calculating machines

Country Status (2)

Country Link
US (1) US3612846A (en)
GB (1) GB1273747A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS521619B1 (en) * 1971-02-24 1977-01-17

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280315A (en) * 1957-09-06 1966-10-18 Bell Punch Co Ltd Key controlled decimal electronic calculating machine
FR1415849A (en) * 1963-10-07 1965-10-29 Wyle Laboratories Calculator
GB1098853A (en) * 1963-11-12 1968-01-10 Mullard Ltd Computing machine
US3358125A (en) * 1964-03-13 1967-12-12 Ind Machine Elettroniche I M E Circuit for displaying the decimal location in electronic type arithmetical computing devices, particularly in connection with digital data readout devices on decimal indicators
GB1042787A (en) * 1964-03-21 1966-09-14 Bell Punch Co Ltd Improvements in or relating to calculating machines
US3375356A (en) * 1964-06-12 1968-03-26 Wyle Laboratories Calculator decimal point alignment apparatus
US3391391A (en) * 1965-09-24 1968-07-02 Ibm Computation with variable fractional point readout

Also Published As

Publication number Publication date
US3612846A (en) 1971-10-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PLNP Patent lapsed through nonpayment of renewal fees