FR1513643A - Convertisseur de signaux à thermo-éléments - Google Patents

Convertisseur de signaux à thermo-éléments

Info

Publication number
FR1513643A
FR1513643A FR92202A FR92202A FR1513643A FR 1513643 A FR1513643 A FR 1513643A FR 92202 A FR92202 A FR 92202A FR 92202 A FR92202 A FR 92202A FR 1513643 A FR1513643 A FR 1513643A
Authority
FR
France
Prior art keywords
thermo
signal converter
element signal
converter
signal
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
FR92202A
Other languages
English (en)
Inventor
Peter L Richman
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.)
Weston Instruments Inc
Original Assignee
Weston Instruments Inc
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 Weston Instruments Inc filed Critical Weston Instruments Inc
Application granted granted Critical
Publication of FR1513643A publication Critical patent/FR1513643A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc
    • G01R19/225—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc by means of thermocouples or other heat sensitive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/261—Amplifier which being suitable for instrumentation applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
FR92202A 1966-01-24 1967-01-24 Convertisseur de signaux à thermo-éléments Expired FR1513643A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52273366A 1966-01-24 1966-01-24

Publications (1)

Publication Number Publication Date
FR1513643A true FR1513643A (fr) 1968-02-16

Family

ID=24082099

Family Applications (1)

Application Number Title Priority Date Filing Date
FR92202A Expired FR1513643A (fr) 1966-01-24 1967-01-24 Convertisseur de signaux à thermo-éléments

Country Status (2)

Country Link
US (1) US3435319A (fr)
FR (1) FR1513643A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576492A (en) * 1969-05-21 1971-04-27 Bell Telephone Labor Inc Mean power detector circuit employing a semiconductor differential amplifier on an integrated circuit chip
US3663833A (en) * 1970-04-02 1972-05-16 Monsanto Co Square root extractor for a process control system
US3668428A (en) * 1970-08-10 1972-06-06 Burr Brown Res Corp Root mean square measuring circuit
US3723845A (en) * 1971-07-16 1973-03-27 Ballantine Labor Inc True rms to dc converters
US3689824A (en) * 1971-08-30 1972-09-05 Guildline Instr Ltd Circuit for conversion from (rms) a.c. to d.c.
GB1425917A (en) * 1972-08-19 1976-02-25 Solartron Electronic Group Rms converter
GB1425966A (en) * 1973-06-29 1976-02-25 Solartron Electronic Group True rms converter
US4901006A (en) * 1984-02-15 1990-02-13 Electro Scientific Industries, Inc. Method and apparatus for AC signal comparison, calibration and measurement
US5378873A (en) * 1992-06-05 1995-01-03 Katzmann; Fred L. Electrothermal conversion elements, apparatus and methods for use in comparing, calibrating and measuring electrical signals
US5783805A (en) * 1992-06-05 1998-07-21 Katzmann; Fred L. Electrothermal conversion elements, apparatus and methods for use in comparing, calibrating and measuring electrical signals
US5376880A (en) * 1993-03-30 1994-12-27 At&T Corp. Method and apparatus for measuring the average power in an electric signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213364A (en) * 1961-02-13 1965-10-19 Fluke Mfg Co John Thermoelectric converter type r. m. s. meter using feedback rebalancing to maintain the converter at constant temperature
US3262055A (en) * 1962-08-20 1966-07-19 Hewlett Packard Co True r.m.s. voltmeter having time-shared stabilizing feedback circuits utilizing a thermocouple input and photoelectric modulator-demodulator amplifier
US3267376A (en) * 1962-12-26 1966-08-16 Electronic Associates Electric measurement apparatus using a pair of oppositely poled thermoelectric junctions in parallel and diode stabilizing means
US3327199A (en) * 1963-08-23 1967-06-20 Westinghouse Electric Corp Transistorized high voltage regulated power supply system with temperature compensating means

Also Published As

Publication number Publication date
US3435319A (en) 1969-03-25

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