CA1031833A - Linear period thermistor temperature oscillator - Google Patents

Linear period thermistor temperature oscillator

Info

Publication number
CA1031833A
CA1031833A CA226,201A CA226201A CA1031833A CA 1031833 A CA1031833 A CA 1031833A CA 226201 A CA226201 A CA 226201A CA 1031833 A CA1031833 A CA 1031833A
Authority
CA
Canada
Prior art keywords
thermistor temperature
temperature oscillator
linear period
linear
period
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
CA226,201A
Other languages
English (en)
French (fr)
Inventor
Lawrence C. Murdock
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1031833A publication Critical patent/CA1031833A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
    • G01K7/245—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit in an oscillator circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/06—Frequency or rate modulation, i.e. PFM or PRM

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
CA226,201A 1974-06-14 1975-05-05 Linear period thermistor temperature oscillator Expired CA1031833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US479390A US3906391A (en) 1974-06-14 1974-06-14 Linear period thermistor temperature oscillator

Publications (1)

Publication Number Publication Date
CA1031833A true CA1031833A (en) 1978-05-23

Family

ID=23903816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA226,201A Expired CA1031833A (en) 1974-06-14 1975-05-05 Linear period thermistor temperature oscillator

Country Status (4)

Country Link
US (1) US3906391A (ja)
JP (1) JPS5111352A (ja)
CA (1) CA1031833A (ja)
GB (1) GB1476842A (ja)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986393A (en) * 1975-03-07 1976-10-19 Hawley Jack S Precision measuring system for down-hole production logging oil tools
US4024495A (en) * 1975-12-29 1977-05-17 Brien Frank J O Remote temperature change warning system
US4060715A (en) * 1976-07-16 1977-11-29 The Perkin-Elmer Corporation Linearized bridge circuitry
US4122722A (en) * 1976-09-28 1978-10-31 The Boeing Company Anemometer compensator linearizer
DE2648597C3 (de) * 1976-10-27 1979-05-31 Hewlett-Packard Gmbh, 7030 Boeblingen Verfahren und Vorrichtung zum LJnearisieren der Ausgangsgröße eines elektronischen Bauelementes
US4202203A (en) * 1977-08-24 1980-05-13 Potter Bronson M Oscillator detector
US4206648A (en) * 1979-02-26 1980-06-10 Rca Corporation Impedance measuring circuit
US4296632A (en) * 1980-02-14 1981-10-27 General Electric Company Temperature-to-frequency conversion apparatus
US4359285A (en) * 1980-04-16 1982-11-16 The Sippican Corporation Temperature measurement system
US4467182A (en) * 1981-09-16 1984-08-21 Nordson Corporation Control circuit
US4667171A (en) * 1985-02-01 1987-05-19 Honeywell Inc. Voltage controlled oscillator with temperature compensation
US4631501A (en) * 1985-02-01 1986-12-23 Honeywell Inc. Voltage controlled oscillator
DE3529245A1 (de) * 1985-08-16 1987-02-19 Philips Patentverwaltung Harmonischer messoszillator zur temperaturerfassung
JPH0810816B2 (ja) * 1986-06-18 1996-01-31 日本電装株式会社 発振回路
DE3642861A1 (de) * 1986-12-16 1988-06-30 Diehl Gmbh & Co Schaltungsanordnung
US5161893A (en) * 1987-10-13 1992-11-10 Respiratory Support Products, Inc. Temperature measurement
US5161892A (en) * 1987-10-13 1992-11-10 Respiratory Support Products, Inc. Temperature measurement in R.F. locations
US5066140A (en) * 1987-10-13 1991-11-19 Respiratory Support Products, Inc. Temperature measurement
DE68921922T2 (de) * 1988-05-31 1995-12-07 Yamaha Corp Temperaturkompensationsschaltung in einem Verstärker zum Treiben einer negativen Impedanz.
US5073034A (en) * 1990-06-12 1991-12-17 Beran Anthony V Single thermistor/analog converter substitute for a dual thermistor network
US5255975A (en) * 1991-11-26 1993-10-26 Honeywell Inc. Low cost calibration system for frequency varying temperature sensing means for a thermostat
US5277495A (en) * 1992-04-24 1994-01-11 Halliburton Company Temperature to frequency converter
US5744973A (en) * 1995-07-21 1998-04-28 Honeywell Inc. Resistance to frequency circuit for measuring ambient temperature on a thermostat
US5735605A (en) * 1996-10-02 1998-04-07 Deroyal Industries, Inc. Thermocouple temperature probe adapter
US5913158A (en) * 1997-01-17 1999-06-15 Sullivan; William B. Dynamic temperature measurement
JP2000091890A (ja) * 1998-09-11 2000-03-31 Oki Electric Ind Co Ltd 発振回路
US6390672B1 (en) 2000-01-20 2002-05-21 Harris Corporation Space vehicle with temperature sensitive oscillator and associated method of sensing temperature in space
JP4756300B2 (ja) * 2001-08-23 2011-08-24 株式会社一宮電機 連続巻線装置
JP2004146866A (ja) * 2002-10-21 2004-05-20 Denso Corp 発振回路
ES2525774B1 (es) * 2012-10-18 2015-10-13 Consejo Superior De Investigaciones Científicas (Csic) Convertidor temperatura-a-digital de alta precisión con bajo consumo de potencia

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360746A (en) * 1963-11-19 1967-12-26 Datacom Inc Crystal controlled frequency modulated oscillator
US3656066A (en) * 1970-05-27 1972-04-11 Systronics Inc Information format converter-oscillator
DE2120458A1 (de) * 1971-04-26 1972-11-02 Daimler-Benz Ag, 7000 Stuttgart Schaltungsanordnung zur genauen Einstellung elektromagnetischer Stellglieder als Funktion einer Gleichspannung
US3713046A (en) * 1972-02-22 1973-01-23 Northern Electric Co Waveform generator with accurate mark to space ratio

Also Published As

Publication number Publication date
JPS5111352A (ja) 1976-01-29
GB1476842A (en) 1977-06-16
US3906391A (en) 1975-09-16

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