GB542927A - Improvements in or relating to calculating and statistical machines - Google Patents

Improvements in or relating to calculating and statistical machines

Info

Publication number
GB542927A
GB542927A GB1207540A GB1207540A GB542927A GB 542927 A GB542927 A GB 542927A GB 1207540 A GB1207540 A GB 1207540A GB 1207540 A GB1207540 A GB 1207540A GB 542927 A GB542927 A GB 542927A
Authority
GB
United Kingdom
Prior art keywords
point
valve
potential
pulse
grid
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
GB1207540A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 NL69924D priority Critical patent/NL69924C/xx
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB1207540A priority patent/GB542927A/en
Publication of GB542927A publication Critical patent/GB542927A/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
    • G06F7/48—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.
    • G06F7/4912—Adding; Subtracting
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2207/491—Indexing scheme relating to groups G06F7/491 - G06F7/4917
    • G06F2207/49195—Using pure decimal representation, e.g. 10-valued voltage signal, 1-out-of-10 code

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Flow Control (AREA)
  • Feedback Control In General (AREA)
  • Electrotherapy Devices (AREA)
GB1207540A 1940-07-23 1940-07-23 Improvements in or relating to calculating and statistical machines Expired GB542927A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL69924D NL69924C (enrdf_load_stackoverflow) 1940-07-23
GB1207540A GB542927A (en) 1940-07-23 1940-07-23 Improvements in or relating to calculating and statistical machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1207540A GB542927A (en) 1940-07-23 1940-07-23 Improvements in or relating to calculating and statistical machines

Publications (1)

Publication Number Publication Date
GB542927A true GB542927A (en) 1942-02-03

Family

ID=9997968

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1207540A Expired GB542927A (en) 1940-07-23 1940-07-23 Improvements in or relating to calculating and statistical machines

Country Status (2)

Country Link
GB (1) GB542927A (enrdf_load_stackoverflow)
NL (1) NL69924C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2461412A (en) * 1943-12-27 1949-02-08 Ibm Accounting apparatus
US2502360A (en) * 1947-03-14 1950-03-28 Bell Telephone Labor Inc Electronic computer
US2817477A (en) * 1947-03-14 1957-12-24 Bell Telephone Labor Inc Electronic computer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2461412A (en) * 1943-12-27 1949-02-08 Ibm Accounting apparatus
US2502360A (en) * 1947-03-14 1950-03-28 Bell Telephone Labor Inc Electronic computer
US2817477A (en) * 1947-03-14 1957-12-24 Bell Telephone Labor Inc Electronic computer

Also Published As

Publication number Publication date
NL69924C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2114016A (en) Electrical counting system
GB674210A (en) Improvements in or relating to circuits for electronic computing and storage devices
US2761968A (en) Electronic analogue-to-digital converters
US2411648A (en) Method and apparatus for generating impulses
US2854590A (en) Counting circuits employing ferroelectric capacitors
GB704860A (en) Improvements in or relating to electro-magnetic relay circuits
GB673759A (en) Improvements in calculating apparatus
US2757286A (en) Transistor multivibrator
GB542927A (en) Improvements in or relating to calculating and statistical machines
US2729812A (en) Apparatus for converting digital information to an analog voltage
US2528100A (en) Electronic calculator
US2472542A (en) Electronic totalizing system
US2555999A (en) Reset circuit for eccles-jordan triggered multivibrator circuits
US2850649A (en) Detector circuit
US2487510A (en) Current integrating network
US2856526A (en) Gating circuits
US2939081A (en) Information storage system
US2626752A (en) Carry device for electronic calculators
US2567410A (en) Multiphase generator
GB767236A (en) Digital electrical computer
GB756908A (en) Improvements in counters
US2730655A (en) Gas tube counter
US2690303A (en) Counter
GB679993A (en) Improvements in or relating to electronic calculating or accounting apparatus
US2835848A (en) Multi-electrode tube pulse memory circuit