CA1031833A - Oscillateur thermometrique a variation lineaire de frequences - Google Patents
Oscillateur thermometrique a variation lineaire de frequencesInfo
- 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
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)
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 (fr) | 1978-05-23 |
Family
ID=23903816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA226,201A Expired CA1031833A (fr) | 1974-06-14 | 1975-05-05 | Oscillateur thermometrique a variation lineaire de frequences |
Country Status (4)
Country | Link |
---|---|
US (1) | US3906391A (fr) |
JP (1) | JPS5111352A (fr) |
CA (1) | CA1031833A (fr) |
GB (1) | GB1476842A (fr) |
Families Citing this family (30)
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 |
US4631501A (en) * | 1985-02-01 | 1986-12-23 | Honeywell Inc. | Voltage controlled oscillator |
US4667171A (en) * | 1985-02-01 | 1987-05-19 | Honeywell Inc. | Voltage controlled oscillator with temperature compensation |
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 |
US5066140A (en) * | 1987-10-13 | 1991-11-19 | Respiratory Support Products, Inc. | Temperature measurement |
US5161892A (en) * | 1987-10-13 | 1992-11-10 | Respiratory Support Products, Inc. | Temperature measurement in R.F. locations |
US5161893A (en) * | 1987-10-13 | 1992-11-10 | Respiratory Support Products, Inc. | Temperature measurement |
EP0344545B1 (fr) * | 1988-05-31 | 1995-03-29 | Yamaha Corporation | Circuit de compensation de température dans amplificateur d'impédance négative |
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)
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 |
-
1974
- 1974-06-14 US US479390A patent/US3906391A/en not_active Expired - Lifetime
-
1975
- 1975-05-05 CA CA226,201A patent/CA1031833A/fr not_active Expired
- 1975-05-19 GB GB2115575A patent/GB1476842A/en not_active Expired
- 1975-06-13 JP JP50071008A patent/JPS5111352A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3906391A (en) | 1975-09-16 |
GB1476842A (en) | 1977-06-16 |
JPS5111352A (fr) | 1976-01-29 |
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