FR1335074A - Convertisseur logarithmique - Google Patents

Convertisseur logarithmique

Info

Publication number
FR1335074A
FR1335074A FR902837A FR902837A FR1335074A FR 1335074 A FR1335074 A FR 1335074A FR 902837 A FR902837 A FR 902837A FR 902837 A FR902837 A FR 902837A FR 1335074 A FR1335074 A FR 1335074A
Authority
FR
France
Prior art keywords
logarithmic converter
logarithmic
converter
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
FR902837A
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.)
HOUSTON INSTRUMENT CORP
Original Assignee
HOUSTON INSTRUMENT CORP
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 HOUSTON INSTRUMENT CORP filed Critical HOUSTON INSTRUMENT CORP
Application granted granted Critical
Publication of FR1335074A publication Critical patent/FR1335074A/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
    • G06G7/26—Arbitrary function generators
    • 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
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
FR902837A 1961-09-13 1962-07-03 Convertisseur logarithmique Expired FR1335074A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US137913A US3210530A (en) 1961-09-13 1961-09-13 Logarithmic converter

Publications (1)

Publication Number Publication Date
FR1335074A true FR1335074A (fr) 1963-08-16

Family

ID=22479604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR902837A Expired FR1335074A (fr) 1961-09-13 1962-07-03 Convertisseur logarithmique

Country Status (4)

Country Link
US (1) US3210530A (fr)
DE (1) DE1276377B (fr)
FR (1) FR1335074A (fr)
GB (1) GB999855A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436533A (en) * 1965-11-29 1969-04-01 Us Navy Digital log computer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947934A (en) * 1955-08-22 1960-08-02 Collins Radio Co Logarithmic function generator
US2975370A (en) * 1956-10-05 1961-03-14 F L Moseley Co Logarithmic converters
US3024408A (en) * 1959-04-09 1962-03-06 Gulf Research Development Co Automatic gain control circuit

Also Published As

Publication number Publication date
GB999855A (en) 1965-07-28
DE1276377B (de) 1968-08-29
US3210530A (en) 1965-10-05

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