NL102029C - - Google Patents

Info

Publication number
NL102029C
NL102029C NL102029DA NL102029C NL 102029 C NL102029 C NL 102029C NL 102029D A NL102029D A NL 102029DA NL 102029 C NL102029 C NL 102029C
Authority
NL
Netherlands
Application number
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.)
Publication of NL102029C publication Critical patent/NL102029C/xx

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)
NL102029D 1958-04-26 NL102029C (is)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL102029C true NL102029C (is)

Family

ID=19751194

Family Applications (2)

Application Number Title Priority Date Filing Date
NL227302D NL227302A (is) 1958-04-26
NL102029D NL102029C (is) 1958-04-26

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL227302D NL227302A (is) 1958-04-26

Country Status (5)

Country Link
US (1) US3237113A (is)
DE (2) DE1159013B (is)
FR (1) FR1222305A (is)
GB (1) GB917311A (is)
NL (2) NL102029C (is)

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
US3237113A (en) 1966-02-22
DE1184375B (de) 1964-12-31
NL227302A (is)
DE1159013C2 (is) 1964-06-18
DE1159013B (de) 1963-12-12
FR1222305A (fr) 1960-06-09
GB917311A (en) 1963-02-06

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