NL265773A - - Google Patents

Info

Publication number
NL265773A
NL265773A NL265773DA NL265773A NL 265773 A NL265773 A NL 265773A NL 265773D A NL265773D A NL 265773DA NL 265773 A NL265773 A NL 265773A
Authority
NL
Netherlands
Application number
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.)
Publication date
Publication of NL265773A publication Critical patent/NL265773A/xx

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
    • 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
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • 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
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
NL265773D 1960-06-09 NL265773A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2025360 1960-06-09
GB4239160 1960-12-09

Publications (1)

Publication Number Publication Date
NL265773A true NL265773A (enrdf_load_stackoverflow) 1900-01-01

Family

ID=26254557

Family Applications (1)

Application Number Title Priority Date Filing Date
NL265773D NL265773A (enrdf_load_stackoverflow) 1960-06-09

Country Status (5)

Country Link
BE (1) BE604675A (enrdf_load_stackoverflow)
CH (1) CH376808A (enrdf_load_stackoverflow)
DE (1) DE1247180B (enrdf_load_stackoverflow)
NL (1) NL265773A (enrdf_load_stackoverflow)
SE (1) SE312089B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149167B (en) * 1983-11-04 1987-04-08 Graviner Ltd Electrical circuit arrangements in fire alarms

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944111C (de) * 1953-04-03 1956-06-07 Anders Mathisen Temperaturwechselmelder
DE960320C (de) * 1954-05-07 1957-03-21 Graviner Manufacturing Co Temperaturfuehler, sowie Verfahren und Vorrichtungen zu ihrer Herstellung
NL213762A (enrdf_load_stackoverflow) * 1956-01-17

Also Published As

Publication number Publication date
DE1247180B (de) 1967-08-10
SE312089B (enrdf_load_stackoverflow) 1969-06-30
BE604675A (fr) 1961-10-02
CH376808A (fr) 1964-04-15

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