GB693424A - Improvements in and relating to electronic digital computing apparatus - Google Patents

Improvements in and relating to electronic digital computing apparatus

Info

Publication number
GB693424A
GB693424A GB26640/48A GB2664048A GB693424A GB 693424 A GB693424 A GB 693424A GB 26640/48 A GB26640/48 A GB 26640/48A GB 2664048 A GB2664048 A GB 2664048A GB 693424 A GB693424 A GB 693424A
Authority
GB
United Kingdom
Prior art keywords
pulse
circuit
digit
screen
sent
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
GB26640/48A
Other languages
English (en)
Inventor
Frederic Calland Williams
Tom Kilburn
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NL696901497A priority Critical patent/NL149331B/xx
Priority to BE491594D priority patent/BE491594A/xx
Priority to NL84065D priority patent/NL84065C/xx
Application filed by NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Priority to GB26640/48A priority patent/GB693424A/en
Priority to US119306A priority patent/US2671607A/en
Priority to FR997062D priority patent/FR997062A/fr
Priority to CH282771D priority patent/CH282771A/de
Priority to DEM97A priority patent/DE971386C/de
Publication of GB693424A publication Critical patent/GB693424A/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
    • G06F7/50—Adding; Subtracting
    • G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/23—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using electrostatic storage on a common layer, e.g. Forrester-Haeff tubes or William tubes
    • 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
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/48—Indexing scheme relating to groups G06F7/48 - G06F7/575
    • G06F2207/4802—Special implementations
    • G06F2207/4818—Threshold devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • X-Ray Techniques (AREA)
GB26640/48A 1948-10-13 1948-10-13 Improvements in and relating to electronic digital computing apparatus Expired GB693424A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL696901497A NL149331B (nl) 1948-10-13 Werkwijze voor het vervaardigen van een brandstofcelelektrode, alsmede aldus verkregen brandstofcelelektrode.
BE491594D BE491594A (forum.php) 1948-10-13
NL84065D NL84065C (forum.php) 1948-10-13
GB26640/48A GB693424A (en) 1948-10-13 1948-10-13 Improvements in and relating to electronic digital computing apparatus
US119306A US2671607A (en) 1948-10-13 1949-10-03 Electronic digital computing apparatus
FR997062D FR997062A (fr) 1948-10-13 1949-10-08 Machine à calculer électronique
CH282771D CH282771A (de) 1948-10-13 1949-10-12 Digitale elektronische Rechenvorrichtung.
DEM97A DE971386C (de) 1948-10-13 1949-10-14 Elektronische Ziffer-Rechenvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26640/48A GB693424A (en) 1948-10-13 1948-10-13 Improvements in and relating to electronic digital computing apparatus

Publications (1)

Publication Number Publication Date
GB693424A true GB693424A (en) 1953-07-01

Family

ID=10246832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26640/48A Expired GB693424A (en) 1948-10-13 1948-10-13 Improvements in and relating to electronic digital computing apparatus

Country Status (7)

Country Link
US (1) US2671607A (forum.php)
BE (1) BE491594A (forum.php)
CH (1) CH282771A (forum.php)
DE (1) DE971386C (forum.php)
FR (1) FR997062A (forum.php)
GB (1) GB693424A (forum.php)
NL (2) NL149331B (forum.php)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810092A (en) * 1947-10-02 1957-10-15 Ibm Electrical apparatus for information storage
US2810516A (en) * 1949-06-03 1957-10-22 Nat Res Dev Electronic digital computing devices
GB705513A (en) * 1951-02-26 1954-03-17 Nat Res Dev Improvements in and relating to the electrostatic storage of digital information
NL220663A (forum.php) * 1951-05-23
GB721215A (en) * 1951-07-30 1955-01-05 Nat Res Dev Improvements in electrostatic storage of digital information
BE513438A (forum.php) * 1951-08-15
US2802967A (en) * 1951-09-04 1957-08-13 Rca Corp Electrical signal storage
NL97815C (forum.php) * 1951-09-24 1900-01-01
GB719397A (en) * 1951-12-03 1954-12-01 Nat Res Dev Improvements in or relating to electronic apparatus for the storage of digital information
FR1084147A (forum.php) * 1952-03-31 1955-01-17
US2853649A (en) * 1952-11-26 1958-09-23 William W Davis Williams memory system using a double-intensity beam
US2770756A (en) * 1953-06-16 1956-11-13 Rudolph J Klein Automatic beam stabilization
GB786771A (en) * 1953-12-11 1957-11-27 Nat Res Dev Improvements in and relating to electrostatic information storage
NL195088A (forum.php) * 1954-02-26
US2950465A (en) * 1954-03-22 1960-08-23 Ibm Electronic data processing machine
IT532932A (forum.php) * 1954-04-09
US2934270A (en) * 1954-12-31 1960-04-26 Ibm Binary counter unit using weighted winding logic elements
US3053450A (en) * 1958-12-02 1962-09-11 Ibm Photoelectric digital adder circuit
DE1227273B (de) * 1964-09-25 1966-10-20 Telefunken Patent Bildwiederholungsspeicher fuer ein zeichenschreibendes Sichtgeraet
US3728531A (en) * 1971-07-16 1973-04-17 Honeywell Inf Systems Binary arithmetic using analog comparators

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2080100A (en) * 1933-03-10 1937-05-11 Tauschek Gustav Method and means for storing and selecting records

Also Published As

Publication number Publication date
DE971386C (de) 1959-01-22
US2671607A (en) 1954-03-09
NL149331B (nl)
BE491594A (forum.php)
CH282771A (de) 1952-05-15
FR997062A (fr) 1951-12-31
NL84065C (forum.php)

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