GB886019A - Improvements in analogue devices for determining the partial derivatives of a function of several variables - Google Patents

Improvements in analogue devices for determining the partial derivatives of a function of several variables

Info

Publication number
GB886019A
GB886019A GB11522/58A GB1152258A GB886019A GB 886019 A GB886019 A GB 886019A GB 11522/58 A GB11522/58 A GB 11522/58A GB 1152258 A GB1152258 A GB 1152258A GB 886019 A GB886019 A GB 886019A
Authority
GB
United Kingdom
Prior art keywords
band
arrangement
computer
network
function
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
GB11522/58A
Other languages
English (en)
Inventor
Jean Borrel
Paul Braffort
Pierre Janot
Jacques Pottier
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB886019A publication Critical patent/GB886019A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C21/00—Systems for transmitting the position of an object with respect to a predetermined reference system, e.g. tele-autographic system
    • 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
    • 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
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/485—Analogue computers for specific processes, systems or devices, e.g. simulators for determining the trajectory of particles, e.g. of electrons

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Software Systems (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Control Of Position Or Direction (AREA)
GB11522/58A 1957-04-12 1958-04-11 Improvements in analogue devices for determining the partial derivatives of a function of several variables Expired GB886019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR736301 1957-04-12

Publications (1)

Publication Number Publication Date
GB886019A true GB886019A (en) 1962-01-03

Family

ID=8704289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11522/58A Expired GB886019A (en) 1957-04-12 1958-04-11 Improvements in analogue devices for determining the partial derivatives of a function of several variables

Country Status (8)

Country Link
US (1) US3014655A (US08197722-20120612-C00042.png)
BE (1) BE566585A (US08197722-20120612-C00042.png)
CH (1) CH347369A (US08197722-20120612-C00042.png)
DE (1) DE1147061B (US08197722-20120612-C00042.png)
FR (1) FR1186961A (US08197722-20120612-C00042.png)
GB (1) GB886019A (US08197722-20120612-C00042.png)
LU (1) LU35972A1 (US08197722-20120612-C00042.png)
NL (1) NL226791A (US08197722-20120612-C00042.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2020604B1 (US08197722-20120612-C00042.png) * 1968-10-14 1973-07-13 Poltegor Ts Osrod

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569646A (en) * 1949-04-26 1951-10-02 Elmer J Wade Electrical simulator
US2661897A (en) * 1949-06-10 1953-12-08 Texas Co Electrical analogue
US2858978A (en) * 1952-09-09 1958-11-04 Sun Oil Co Reservoir analyzer

Also Published As

Publication number Publication date
DE1147061B (de) 1963-04-11
NL226791A (US08197722-20120612-C00042.png)
US3014655A (en) 1961-12-26
CH347369A (fr) 1960-06-30
LU35972A1 (US08197722-20120612-C00042.png)
BE566585A (US08197722-20120612-C00042.png) 1958-10-08
FR1186961A (fr) 1959-09-04

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