NL40237C - Electrische brandmelder. - Google Patents

Electrische brandmelder.

Info

Publication number
NL40237C
NL40237C NL70182A NL70182A NL40237C NL 40237 C NL40237 C NL 40237C NL 70182 A NL70182 A NL 70182A NL 70182 A NL70182 A NL 70182A NL 40237 C NL40237 C NL 40237C
Authority
NL
Netherlands
Prior art keywords
fire detector
electric fire
electric
detector
fire
Prior art date
Application number
NL70182A
Other languages
English (en)
Original Assignee
Bloch Franz Georg
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 Bloch Franz Georg filed Critical Bloch Franz Georg
Application granted granted Critical
Publication of NL40237C publication Critical patent/NL40237C/nl

Links

Classifications

    • 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
    • G01K3/12—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 based upon expansion or contraction of materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
NL70182A 1933-07-21 1934-07-20 Electrische brandmelder. NL40237C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2006434X 1933-07-21

Publications (1)

Publication Number Publication Date
NL40237C true NL40237C (nl) 1937-03-15

Family

ID=3427185

Family Applications (1)

Application Number Title Priority Date Filing Date
NL70182A NL40237C (nl) 1933-07-21 1934-07-20 Electrische brandmelder.

Country Status (5)

Country Link
US (1) US2006434A (nl)
CH (1) CH179901A (nl)
FR (2) FR762914A (nl)
GB (1) GB412797A (nl)
NL (1) NL40237C (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE934635C (de) * 1951-03-02 1955-10-27 Paul Baertl Temperaturgradientanzeiger
US2713265A (en) * 1951-05-11 1955-07-19 Weston Electrical Instr Corp Thermometer
DE957554C (de) * 1953-09-13 1957-02-07 Otto Ramstetter Dipl Ing Temperatur-UEberwachungsgeraet

Also Published As

Publication number Publication date
FR776221A (fr) 1935-01-21
US2006434A (en) 1935-07-02
FR762914A (fr) 1934-04-20
GB412797A (en) 1934-07-05
CH179901A (de) 1935-09-30

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