CA1109562A - Voltage to rate converter circuit - Google Patents

Voltage to rate converter circuit

Info

Publication number
CA1109562A
CA1109562A CA278,349A CA278349A CA1109562A CA 1109562 A CA1109562 A CA 1109562A CA 278349 A CA278349 A CA 278349A CA 1109562 A CA1109562 A CA 1109562A
Authority
CA
Canada
Prior art keywords
circuit
input
signal
comparator
output
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
CA278,349A
Other languages
English (en)
French (fr)
Inventor
Robert B. Turner
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.)
Johnson and Johnson
Original Assignee
Johnson and Johnson
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 Johnson and Johnson filed Critical Johnson and Johnson
Application granted granted Critical
Publication of CA1109562A publication Critical patent/CA1109562A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/028Means for indicating or recording specially adapted for thermometers arrangements for numerical indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • G01K13/20Clinical contact thermometers for use with humans or animals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16Measuring 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
    • G01K7/22Measuring 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
    • G01K7/24Measuring 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/60Analogue/digital converters with intermediate conversion to frequency of pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CA278,349A 1977-01-12 1977-05-13 Voltage to rate converter circuit Expired CA1109562A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75861977A 1977-01-12 1977-01-12
US758,619 1977-01-12

Publications (1)

Publication Number Publication Date
CA1109562A true CA1109562A (en) 1981-09-22

Family

ID=25052435

Family Applications (1)

Application Number Title Priority Date Filing Date
CA278,349A Expired CA1109562A (en) 1977-01-12 1977-05-13 Voltage to rate converter circuit

Country Status (10)

Country Link
JP (1) JPS5388559A (es)
BE (1) BE861070A (es)
BR (1) BR7800148A (es)
CA (1) CA1109562A (es)
ES (1) ES460206A1 (es)
FR (1) FR2377730A1 (es)
GB (1) GB1566064A (es)
LU (1) LU78851A1 (es)
NL (1) NL7713678A (es)
SE (1) SE7708807L (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3321862A1 (de) * 1983-06-16 1984-12-20 Siemens AG, 1000 Berlin und 8000 München Messeinrichtung zur erfassung einer temperaturdifferenz
CH665027A5 (de) * 1984-09-06 1988-04-15 Mettler Instrumente Ag Verfahren zur messung und digitalisierung eines widerstandes und schaltung zur durchfuehrung des verfahrens.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599203A (en) * 1969-07-30 1971-08-10 Gen Electric Asynchronous analog to logic level signal converter

Also Published As

Publication number Publication date
GB1566064A (en) 1980-04-30
NL7713678A (nl) 1978-07-14
JPS5388559A (en) 1978-08-04
SE7708807L (sv) 1978-07-13
BR7800148A (pt) 1978-12-05
ES460206A1 (es) 1978-09-01
BE861070A (fr) 1978-05-22
FR2377730A1 (fr) 1978-08-11
LU78851A1 (fr) 1978-06-09

Similar Documents

Publication Publication Date Title
US3942123A (en) Electronic measurement system
US4069452A (en) Apparatus for automatically detecting values of periodically time varying signals
US4347740A (en) Capacitive level sensing device
US4429236A (en) Apparatus for generating pulses upon decreases in supply voltage
US4206648A (en) Impedance measuring circuit
US3875501A (en) Pulse width modulation type resistance deviation measuring apparatus
US3614892A (en) Flowmeter temperature compensation system and method
GB1562260A (en) Electronic thermometer system
US3541457A (en) Peak occurrence detector circuit
US4864513A (en) Potentiometer setting detection by measuring the ratio of RC time constants
US3267458A (en) Digital voltmeters
US3972237A (en) Electronic thermometer
CA1109562A (en) Voltage to rate converter circuit
GB1425599A (en) Detector system responsive to a variable capacitance
US4143549A (en) Temperature measuring system
US4050309A (en) Method and apparatus for measuring temperature
US4148220A (en) Linearization means and method for a thermistor temperature sensing system
US3277395A (en) Pluse width modulator
US4196419A (en) Analog to digital converter
US4074260A (en) Analog-to-digital converter
US4625197A (en) Logarithmic analog to digital converter
US4736155A (en) Transducer temperature control circuit and method
US3689754A (en) Function generator
US4214234A (en) Range tracking analog to digital converter for use with a bridge
CA1224879A (en) Voltage-to-frequency and analog-to-digital converter circuit

Legal Events

Date Code Title Description
MKEX Expiry