FR1222305A - Dispositif pour la production d'une tension dépendant d'une autre tension suivant une fonction déterminée - Google Patents

Dispositif pour la production d'une tension dépendant d'une autre tension suivant une fonction déterminée

Info

Publication number
FR1222305A
FR1222305A FR793135A FR793135A FR1222305A FR 1222305 A FR1222305 A FR 1222305A FR 793135 A FR793135 A FR 793135A FR 793135 A FR793135 A FR 793135A FR 1222305 A FR1222305 A FR 1222305A
Authority
FR
France
Prior art keywords
production
determined function
voltage
dependent
another
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
FR793135A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1222305A publication Critical patent/FR1222305A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
    • 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
    • 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
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
    • 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
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
    • 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
    • G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
FR793135A 1958-04-26 1959-04-24 Dispositif pour la production d'une tension dépendant d'une autre tension suivant une fonction déterminée Expired FR1222305A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL227302 1958-04-26

Publications (1)

Publication Number Publication Date
FR1222305A true FR1222305A (fr) 1960-06-09

Family

ID=19751194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793135A Expired FR1222305A (fr) 1958-04-26 1959-04-24 Dispositif pour la production d'une tension dépendant d'une autre tension suivant une fonction déterminée

Country Status (5)

Country Link
US (1) US3237113A (fr)
DE (2) DE1184375B (fr)
FR (1) FR1222305A (fr)
GB (1) GB917311A (fr)
NL (2) NL227302A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403327A (en) * 1965-09-08 1968-09-24 Schlumberger Technology Corp Methods and apparatus for processing well logging measurements using time domain computation to obtain the reciprocal function of the measurements
US3396330A (en) * 1965-12-15 1968-08-06 Schlumberger Technology Corp Methods and apparatus for taking the logarithm of well logging measurements utilizing a time domain technique
US3553492A (en) * 1967-09-05 1971-01-05 Sierra Research Corp Voltage sampling and follower amplifier
US3701144A (en) * 1970-10-28 1972-10-24 Us Navy High frequency analog-to-digital converter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2864000A (en) * 1958-12-09 Apparatus for comparing the instan-
DE599585C (de) * 1932-05-02 1934-07-05 Telefunken Gmbh Anordnung zur Erzeugung von Wechselspannungen dreieckiger Kurvenform
US2703203A (en) * 1946-02-21 1955-03-01 Amasa S Bishop Computer
US2480201A (en) * 1946-05-08 1949-08-30 Us Sec War Apparatus for compressing the amplitude range of signals
US2598491A (en) * 1948-12-29 1952-05-27 Ibm Peaked pulse generator
US2727682A (en) * 1949-11-30 1955-12-20 Sun Oil Co Analog computer or analyzer
GB696213A (en) * 1950-01-25 1953-08-26 Emi Ltd Improvements relating to means for indicating the logarithmic value of a magnitude
US2860241A (en) * 1954-10-29 1958-11-11 Richard F Post Ratio computer

Also Published As

Publication number Publication date
DE1159013C2 (fr) 1964-06-18
DE1184375B (de) 1964-12-31
US3237113A (en) 1966-02-22
NL102029C (fr)
GB917311A (en) 1963-02-06
DE1159013B (de) 1963-12-12
NL227302A (fr)

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