FR779705A - Improvements to heat detection mechanisms intended to control signaling devices or warning devices - Google Patents

Improvements to heat detection mechanisms intended to control signaling devices or warning devices

Info

Publication number
FR779705A
FR779705A FR779705DA FR779705A FR 779705 A FR779705 A FR 779705A FR 779705D A FR779705D A FR 779705DA FR 779705 A FR779705 A FR 779705A
Authority
FR
France
Prior art keywords
devices
control signaling
detection mechanisms
heat detection
mechanisms intended
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
Other languages
French (fr)
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.)
Gamewell Corp
Original Assignee
Gamewell Corp
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 Gamewell Corp filed Critical Gamewell Corp
Application granted granted Critical
Publication of FR779705A publication Critical patent/FR779705A/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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
FR779705D 1933-09-05 1934-08-23 Improvements to heat detection mechanisms intended to control signaling devices or warning devices Expired FR779705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US688183A US2056345A (en) 1933-09-05 1933-09-05 Automatic fire alarm system

Publications (1)

Publication Number Publication Date
FR779705A true FR779705A (en) 1935-04-11

Family

ID=24763449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779705D Expired FR779705A (en) 1933-09-05 1934-08-23 Improvements to heat detection mechanisms intended to control signaling devices or warning devices

Country Status (2)

Country Link
US (1) US2056345A (en)
FR (1) FR779705A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511236A (en) * 1948-08-02 1950-06-13 Edwin C Bartz Heat responsive switch

Also Published As

Publication number Publication date
US2056345A (en) 1936-10-06

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