AU478432B2 - Improvements in temperature monitoring equipment - Google Patents

Improvements in temperature monitoring equipment

Info

Publication number
AU478432B2
AU478432B2 AU62552/73A AU6255273A AU478432B2 AU 478432 B2 AU478432 B2 AU 478432B2 AU 62552/73 A AU62552/73 A AU 62552/73A AU 6255273 A AU6255273 A AU 6255273A AU 478432 B2 AU478432 B2 AU 478432B2
Authority
AU
Australia
Prior art keywords
monitoring equipment
temperature monitoring
equipment
temperature
monitoring
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
AU62552/73A
Other versions
AU6255273A (en
Inventor
Leslie Redfern Denis
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.)
Wormald International Ltd
Original Assignee
Wormald International Ltd
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 Wormald International Ltd filed Critical Wormald International Ltd
Priority to AU62552/73A priority Critical patent/AU478432B2/en
Application granted granted Critical
Publication of AU6255273A publication Critical patent/AU6255273A/en
Publication of AU478432B2 publication Critical patent/AU478432B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1917—Control of temperature characterised by the use of electric means using digital means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
AU62552/73A 1972-12-01 1972-12-01 Improvements in temperature monitoring equipment Expired AU478432B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU62552/73A AU478432B2 (en) 1972-12-01 1972-12-01 Improvements in temperature monitoring equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU62552/73A AU478432B2 (en) 1972-12-01 1972-12-01 Improvements in temperature monitoring equipment

Publications (2)

Publication Number Publication Date
AU6255273A AU6255273A (en) 1975-05-15
AU478432B2 true AU478432B2 (en) 1975-05-15

Family

ID=3747491

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62552/73A Expired AU478432B2 (en) 1972-12-01 1972-12-01 Improvements in temperature monitoring equipment

Country Status (1)

Country Link
AU (1) AU478432B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425076A1 (en) * 1978-05-01 1979-11-30 Anglo Amer Corp South Africa METHOD AND APPARATUS FOR DETECTION OF THE VARIATION SPEED OF AN ELECTRIC SIGNAL
AU621306B2 (en) * 1987-08-26 1992-03-12 Hochiki Corporation Fire discriminating apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3231887B2 (en) * 1993-03-31 2001-11-26 能美防災株式会社 Heat detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425076A1 (en) * 1978-05-01 1979-11-30 Anglo Amer Corp South Africa METHOD AND APPARATUS FOR DETECTION OF THE VARIATION SPEED OF AN ELECTRIC SIGNAL
AU621306B2 (en) * 1987-08-26 1992-03-12 Hochiki Corporation Fire discriminating apparatus

Also Published As

Publication number Publication date
AU6255273A (en) 1975-05-15

Similar Documents

Publication Publication Date Title
AU476232B2 (en) Alarm apparatus
CA982841A (en) Monitoring device
AU1384470A (en) Monitoring apparatus
AU468636B2 (en) Alarm device
CA984062A (en) Ice detection equipment
ZA734531B (en) Monitoring device
AU478432B2 (en) Improvements in temperature monitoring equipment
AU475282B2 (en) Temperature indicators
AU5719473A (en) Diphenylmethane derivatives
CA911765A (en) Continuous gas monitoring
AU490836B1 (en) Orientation indicating apparatus
CA890021A (en) Monitoring apparatus
CA953531A (en) Temperature detector
CA904928A (en) Low temperature apparatus
CA961113A (en) Monitoring station
GB1446328A (en) Temperature monitoring
CA912964A (en) Thermal indicator
AU465359B2 (en) Thermal indicator
CA896989A (en) Temperature indicating means
CA898365A (en) Monitoring system
AU454771B2 (en) Electric buzzer
CA912924A (en) Temperature indicators
CA917442A (en) Temperature measurement
CA905152A (en) Temperature measuring apparatus
CA899167A (en) Time-temperature indicator