FR1086969A - Perfectionnements aux machines mathématiques - Google Patents

Perfectionnements aux machines mathématiques

Info

Publication number
FR1086969A
FR1086969A FR1086969DA FR1086969A FR 1086969 A FR1086969 A FR 1086969A FR 1086969D A FR1086969D A FR 1086969DA FR 1086969 A FR1086969 A FR 1086969A
Authority
FR
France
Prior art keywords
mathematical
machines
mathematical machines
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 FR1086969A publication Critical patent/FR1086969A/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
    • G06G7/32—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices
    • G06G7/38—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations
    • G06G7/40—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations of partial differential equations of field or wave equations
    • G06G7/46—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations of partial differential equations of field or wave equations using discontinuous medium, e.g. resistance network

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Algebra (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Adjustable Resistors (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
FR1086969D 1952-08-28 1953-08-28 Perfectionnements aux machines mathématiques Expired FR1086969A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB21658/52A GB754113A (en) 1952-08-28 1952-08-28 Improvements relating to analogue computing apparatus
GB24741/52A GB754114A (en) 1952-08-28 1952-10-02 Improvements relating to electrical analogue-computing apparatus
GB24740/52A GB757783A (en) 1952-08-28 1952-10-02 Improvements relating to electrical analogue-computing apparatus

Publications (1)

Publication Number Publication Date
FR1086969A true FR1086969A (fr) 1955-02-17

Family

ID=27258025

Family Applications (2)

Application Number Title Priority Date Filing Date
FR66028D Active FR66028E (fr) 1952-08-28
FR1086969D Expired FR1086969A (fr) 1952-08-28 1953-08-28 Perfectionnements aux machines mathématiques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR66028D Active FR66028E (fr) 1952-08-28

Country Status (4)

Country Link
US (3) US2846141A (fr)
DE (2) DE1079865B (fr)
FR (2) FR1086969A (fr)
GB (3) GB754113A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191016A (en) * 1959-01-13 1965-06-22 Scott Paper Co Analog computer
US3093731A (en) * 1959-09-10 1963-06-11 Walter J Karplus Transient field simulator
US5579255A (en) * 1995-05-24 1996-11-26 Sakata Denki Co., Ltd. Analog arithmetic circuit with electric resistor networks and numerical solution method of fourth-order partial differential equation by the use of the circuit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB476164A (en) * 1936-05-27 1937-11-29 Electrical Improvements Ltd Improvements in or relating to electrical calculating machines
US2439891A (en) * 1943-10-18 1948-04-20 Bailey Meter Co Measuring and controlling system
GB605822A (en) * 1946-01-07 1948-07-30 Boulton Aircraft Ltd Improvements in and relating to apparatus for solving physical problems
US2461738A (en) * 1946-06-10 1949-02-15 Walter C Johnson Device for solving equations
US2601382A (en) * 1947-01-15 1952-06-24 Eugene G Fubini System for designing mechanical structures
US2501058A (en) * 1947-03-13 1950-03-21 Klasek Viktor Connection for solving the relation of several variables
US2569646A (en) * 1949-04-26 1951-10-02 Elmer J Wade Electrical simulator
US2639089A (en) * 1949-06-03 1953-05-19 Gleyzal Andre Noel Electrical calculator
GB684989A (en) * 1950-07-25 1952-12-31 Ass Elect Ind Improvements relating to electric circuit arrangements for performing mathematical operations
US2734682A (en) * 1954-08-19 1956-02-14 mayes

Also Published As

Publication number Publication date
GB754113A (en) 1956-08-01
FR66028E (fr)
GB754114A (en) 1956-08-01
US2857099A (en) 1958-10-21
US2884193A (en) 1959-04-28
GB757783A (en) 1956-09-26
DE1079866B (de) 1960-04-14
DE1079865B (de) 1960-04-14
US2846141A (en) 1958-08-05

Similar Documents

Publication Publication Date Title
FR1137565A (fr) Perfectionnement aux seringues-ampoules
FR1064265A (fr) Perfectionnement aux suspensions
FR1078796A (fr) Perfectionnement aux boumerange
FR1062775A (fr) Perfectionnement aux remorques surbaissées
FR1074212A (fr) Perfectionnement aux paliers pare-chocs
FR1086969A (fr) Perfectionnements aux machines mathématiques
FR1101665A (fr) Perfectionnements relatifs aux mécanismes hydrauliques
FR1072573A (fr) Perfectionnement aux frontofocomètres
FR1118908A (fr) Perfectionnement aux agrès
FR1060728A (fr) Perfectionnements aux capacités variométriques
FR1053549A (fr) Perfectionnement aux ascenseurs
FR1073761A (fr) Perfectionnement aux séchoirs
FR1073282A (fr) Perfectionnement aux télé-skis
FR62425E (fr) Perfectionnements aux aciers spéciaux
FR1120620A (fr) Perfectionnement aux turbo-moteurs
FR1123872A (fr) Perfectionnement aux alèzes
FR1111564A (fr) Perfectionnement aux turbo-coupleurs hydrauliques
FR1058281A (fr) Perfectionnement aux scellés
FR1055549A (fr) Perfectionnement aux ébulliomètres
FR1071509A (fr) Perfectionnement aux mules-jennys
FR1130607A (fr) Perfectionnement aux électrophones
FR1046745A (fr) Perfectionnements aux machines mathématiques
FR1058574A (fr) Perfectionnements aux machines à affûter
FR1066666A (fr) Perfectionnement aux incubateurs
FR1058339A (fr) Perfectionnement aux déchaumeuses portées