FR1167550A - Perfectionnements aux machines à calculer - Google Patents

Perfectionnements aux machines à calculer

Info

Publication number
FR1167550A
FR1167550A FR1167550DA FR1167550A FR 1167550 A FR1167550 A FR 1167550A FR 1167550D A FR1167550D A FR 1167550DA FR 1167550 A FR1167550 A FR 1167550A
Authority
FR
France
Prior art keywords
calculating machines
machines
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1167550A publication Critical patent/FR1167550A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
FR1167550D 1954-12-29 1955-12-29 Perfectionnements aux machines à calculer Expired FR1167550A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US478453A US2995304A (en) 1954-12-29 1954-12-29 Electrical multiplying circuit

Publications (1)

Publication Number Publication Date
FR1167550A true FR1167550A (fr) 1958-11-26

Family

ID=23900003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1167550D Expired FR1167550A (fr) 1954-12-29 1955-12-29 Perfectionnements aux machines à calculer

Country Status (3)

Country Link
US (1) US2995304A (fr)
FR (1) FR1167550A (fr)
GB (1) GB790578A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206619A (en) * 1960-10-28 1965-09-14 Westinghouse Electric Corp Monolithic transistor and diode structure
FR1602858A (fr) * 1961-04-06 1971-02-08
US3253135A (en) * 1962-02-20 1966-05-24 Systron Donner Corp Quarter square analog multiplier
US3407291A (en) * 1962-11-30 1968-10-22 Canadian Patents Dev Computer for evaluating integrals using a statistical computing process
US10649732B2 (en) * 2018-07-31 2020-05-12 Cirrus Logic, Inc. Processing circuitry

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674409A (en) * 1950-07-12 1954-04-06 Bell Telephone Labor Inc Electrical generator of products and functions

Also Published As

Publication number Publication date
US2995304A (en) 1961-08-08
GB790578A (en) 1958-02-12

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