FR849907A - Procédés et dispositifs de calcul électrique automatique - Google Patents

Procédés et dispositifs de calcul électrique automatique

Info

Publication number
FR849907A
FR849907A FR849907DA FR849907A FR 849907 A FR849907 A FR 849907A FR 849907D A FR849907D A FR 849907DA FR 849907 A FR849907 A FR 849907A
Authority
FR
France
Prior art keywords
devices
calculation methods
automatic electrical
electrical calculation
automatic
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
Marcel Demontvignier
Maurice Lorfeuvre
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.)
HEWITTIC SA
Original Assignee
HEWITTIC 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 HEWITTIC SA filed Critical HEWITTIC SA
Application granted granted Critical
Publication of FR849907A publication Critical patent/FR849907A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/80—Analogue computers for specific processes, systems or devices, e.g. simulators for gunlaying; for bomb aiming; for guiding missiles
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 specially adapted therefor
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor 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)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
FR849907D 1938-08-10 1938-08-10 Procédés et dispositifs de calcul électrique automatique Expired FR849907A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR849907T 1938-08-10

Publications (1)

Publication Number Publication Date
FR849907A true FR849907A (fr) 1939-12-05

Family

ID=9314933

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849907D Expired FR849907A (fr) 1938-08-10 1938-08-10 Procédés et dispositifs de calcul électrique automatique

Country Status (1)

Country Link
FR (1) FR849907A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695750A (en) * 1945-12-07 1954-11-30 Carl F Kayan Method and apparatus for analyzing flow networks
US2698134A (en) * 1940-08-27 1954-12-28 Bosch Arma Corp Electric computer

Cited By (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
US2695750A (en) * 1945-12-07 1954-11-30 Carl F Kayan Method and apparatus for analyzing flow networks

Similar Documents

Publication Publication Date Title
FR861267A (fr) Appareil électro-acoustique
FR853257A (fr) Hygromètre électrique
FR845402A (fr) Perfectionnement aux dispositifs de transmission électriques
FR835576A (fr) Dispositif amplificateur électrique
FR864551A (fr) Dispositif électrique de régulation
FR849907A (fr) Procédés et dispositifs de calcul électrique automatique
FR848183A (fr) Appareil télé-imprimeur
FR841077A (fr) Appareil cinématographique avec posomètre électrique
CH212584A (de) Elektrisches Rechengerät.
FR882137A (fr) Dispositif calculateur électrique
FR971722A (fr) Dispositif téléindicateur électrique
FR845398A (fr) Dispositif électrique de calcul
FR860550A (fr) Dispositif de branchement électrique
FR843680A (fr) Appareil radio et phono-électrique
FR862049A (fr) Appareils indicateurs électriques et analogues
FR845021A (fr) Dispositif de connexion électrique
FR834216A (fr) Appareil chargeur-déchargeur automatique
FR864367A (fr) Appareil filtre-mesureur
FR852184A (fr) Connexion électrique
FR870665A (fr) Dispositifs de raccordement électrique
FR867756A (fr) Dispositif de jonction électrique
FR860162A (fr) Contact électrique
FR835150A (fr) Dispositif avertisseur à contact électrique
FR950832A (fr) Appareil de décharge électrique
ES150842A3 (es) Un dispòsitivo intercomunicador telemegáfono