FR1278159A - Perfectionnements aux systèmes calculateurs - Google Patents

Perfectionnements aux systèmes calculateurs

Info

Publication number
FR1278159A
FR1278159A FR842460A FR842460A FR1278159A FR 1278159 A FR1278159 A FR 1278159A FR 842460 A FR842460 A FR 842460A FR 842460 A FR842460 A FR 842460A FR 1278159 A FR1278159 A FR 1278159A
Authority
FR
France
Prior art keywords
computer systems
systems
computer
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
FR842460A
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 FR1278159A publication Critical patent/FR1278159A/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
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function

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)
FR842460A 1959-10-28 1960-10-28 Perfectionnements aux systèmes calculateurs Expired FR1278159A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US849303A US3182182A (en) 1959-10-28 1959-10-28 Ratio computer

Publications (1)

Publication Number Publication Date
FR1278159A true FR1278159A (fr) 1961-12-01

Family

ID=25305519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842460A Expired FR1278159A (fr) 1959-10-28 1960-10-28 Perfectionnements aux systèmes calculateurs

Country Status (2)

Country Link
US (1) US3182182A (fr)
FR (1) FR1278159A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534401A (en) * 1966-04-20 1970-10-13 Dresser Ind Computer for well logging system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698134A (en) * 1940-08-27 1954-12-28 Bosch Arma Corp Electric computer
US2987255A (en) * 1957-01-04 1961-06-06 Gen Precision Inc Servo multiplier

Also Published As

Publication number Publication date
US3182182A (en) 1965-05-04

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