FR1045875A - Improvements to calculating machines - Google Patents

Improvements to calculating machines

Info

Publication number
FR1045875A
FR1045875A FR1045875DA FR1045875A FR 1045875 A FR1045875 A FR 1045875A FR 1045875D A FR1045875D A FR 1045875DA FR 1045875 A FR1045875 A FR 1045875A
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
French (fr)
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 FR1045875A publication Critical patent/FR1045875A/en
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
FR1045875D 1950-07-03 1951-07-02 Improvements to calculating machines Expired FR1045875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1655050A GB684512A (en) 1950-07-03 1950-07-03 Improvements relating to calculating apparatus

Publications (1)

Publication Number Publication Date
FR1045875A true FR1045875A (en) 1953-12-01

Family

ID=10079336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1045875D Expired FR1045875A (en) 1950-07-03 1951-07-02 Improvements to calculating machines

Country Status (2)

Country Link
FR (1) FR1045875A (en)
GB (1) GB684512A (en)

Also Published As

Publication number Publication date
GB684512A (en) 1952-12-17

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