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FR1148585A - Circuits pour calculateurs électroniques - Google Patents

Circuits pour calculateurs électroniques

Info

Publication number
FR1148585A
FR1148585A FR1148585DA FR1148585A FR 1148585 A FR1148585 A FR 1148585A FR 1148585D A FR1148585D A FR 1148585DA FR 1148585 A FR1148585 A FR 1148585A
Authority
FR
France
Prior art keywords
circuits
electronic computers
computers
electronic
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
Other languages
English (en)
Inventor
Willis E Dobbins
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Application granted granted Critical
Publication of FR1148585A publication Critical patent/FR1148585A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04Generating or distributing clock signals or signals derived directly therefrom
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/54Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/01Modifications for accelerating switching
    • H03K19/013Modifications for accelerating switching in bipolar transistor circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/12Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using diode rectifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K21/00Details of pulse counters or frequency dividers
    • H03K21/02Input circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/003Changing the DC level
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01Shaping pulses
    • H03K5/12Shaping pulses by steepening leading or trailing edges

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • X-Ray Techniques (AREA)
  • Logic Circuits (AREA)
  • Manipulation Of Pulses (AREA)
FR1148585D 1955-02-23 1956-02-23 Circuits pour calculateurs électroniques Expired FR1148585A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US490028A US2863054A (en) 1955-02-23 1955-02-23 Logical gate correcting circuit

Publications (1)

Publication Number Publication Date
FR1148585A true FR1148585A (fr) 1957-12-11

Family

ID=23946314

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1148585D Expired FR1148585A (fr) 1955-02-23 1956-02-23 Circuits pour calculateurs électroniques

Country Status (7)

Country Link
US (1) US2863054A (fr)
BE (1) BE545443A (fr)
CH (1) CH335878A (fr)
DE (1) DE1086461B (fr)
FR (1) FR1148585A (fr)
GB (1) GB787939A (fr)
NL (2) NL204777A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058113A (en) * 1959-03-30 1962-10-09 Ampex Noise elimination circuit for pulse duration modulation recording
NL252942A (fr) * 1959-07-01
US2980858A (en) * 1959-12-07 1961-04-18 Collins Radio Co Digital synchronization circuit operating by inserting extra pulses into or delayingpulses from clock pulse train
US3270288A (en) * 1963-09-18 1966-08-30 Ball Brothers Res Corp System for reshaping and retiming a digital signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB705478A (en) * 1949-01-17 1954-03-17 Nat Res Dev Electronic computing circuits
US2570225A (en) * 1950-03-13 1951-10-09 Bell Telephone Labor Inc Series electronic switch
US2762936A (en) * 1952-12-20 1956-09-11 Hughes Aircraft Co Diode, pulse-gating circuits

Also Published As

Publication number Publication date
CH335878A (fr) 1959-01-31
GB787939A (en) 1957-12-18
NL113935C (fr)
US2863054A (en) 1958-12-02
BE545443A (fr)
DE1086461B (de) 1960-08-04
NL204777A (fr)

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