GB989655A - Temperature monitoring means - Google Patents

Temperature monitoring means

Info

Publication number
GB989655A
GB989655A GB40078/62A GB4007862A GB989655A GB 989655 A GB989655 A GB 989655A GB 40078/62 A GB40078/62 A GB 40078/62A GB 4007862 A GB4007862 A GB 4007862A GB 989655 A GB989655 A GB 989655A
Authority
GB
United Kingdom
Prior art keywords
voltage
lamp
photo
energized
threshold
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
GB40078/62A
Other languages
English (en)
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.)
Societe dElectricite Mors SA
Original Assignee
Societe dElectricite Mors SA
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 Societe dElectricite Mors SA filed Critical Societe dElectricite Mors SA
Publication of GB989655A publication Critical patent/GB989655A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/005—Circuits arrangements for indicating a predetermined temperature
    • 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
    • G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
    • G01K7/021—Particular circuit arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Fire-Detection Mechanisms (AREA)
GB40078/62A 1961-10-23 1962-10-23 Temperature monitoring means Expired GB989655A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR876701A FR1311287A (fr) 1961-10-23 1961-10-23 Couples thermo-électriques, et circuits d'amplification et de signalisation associés à ce type de couples, notamment destinés aux installations de protection contre l'incendie
FR903130A FR81982E (fr) 1961-10-23 1962-07-06 Couples thermo-électriques, et circuits d'amplification et de signalisation associés à ce type de couples, notamment destinés aux installations de protection contre l'incendie

Publications (1)

Publication Number Publication Date
GB989655A true GB989655A (en) 1965-04-22

Family

ID=26192779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40078/62A Expired GB989655A (en) 1961-10-23 1962-10-23 Temperature monitoring means

Country Status (6)

Country Link
BE (1) BE623628A (fr)
CH (1) CH407819A (fr)
FR (2) FR1311287A (fr)
GB (1) GB989655A (fr)
LU (1) LU42499A1 (fr)
NL (1) NL284528A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107605534A (zh) * 2017-09-28 2018-01-19 中国矿业大学 一种深部巷道温度监测本安型无线传感节点

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107605534A (zh) * 2017-09-28 2018-01-19 中国矿业大学 一种深部巷道温度监测本安型无线传感节点
CN107605534B (zh) * 2017-09-28 2024-04-16 中国矿业大学 一种深部巷道温度监测本安型无线传感节点

Also Published As

Publication number Publication date
LU42499A1 (fr) 1962-12-10
FR81982E (fr) 1963-12-06
CH407819A (fr) 1966-02-15
BE623628A (fr)
NL284528A (fr)
FR1311287A (fr) 1962-12-07

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