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AU478116B2 - Improvements in or relating to electro-pneumatic fire alarms - Google Patents
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AU478116B2 - Improvements in or relating to electro-pneumatic fire alarms - Google Patents

Improvements in or relating to electro-pneumatic fire alarms

Info

Publication number
AU478116B2
AU478116B2 AU66955/74A AU6695574A AU478116B2 AU 478116 B2 AU478116 B2 AU 478116B2 AU 66955/74 A AU66955/74 A AU 66955/74A AU 6695574 A AU6695574 A AU 6695574A AU 478116 B2 AU478116 B2 AU 478116B2
Authority
AU
Australia
Prior art keywords
electro
relating
fire alarms
pneumatic fire
pneumatic
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
AU66955/74A
Other versions
AU6695574A (en
Inventor
Frederick Campbell Close John Newton Hool Roy Arnold Williams John
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.)
Unisearch Ltd
Original Assignee
Unisearch 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 Unisearch Ltd filed Critical Unisearch Ltd
Priority to AU66955/74A priority Critical patent/AU478116B2/en
Application granted granted Critical
Publication of AU6695574A publication Critical patent/AU6695574A/en
Publication of AU478116B2 publication Critical patent/AU478116B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/04—Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
AU66955/74A 1973-03-21 1973-03-21 Improvements in or relating to electro-pneumatic fire alarms Expired AU478116B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU66955/74A AU478116B2 (en) 1973-03-21 1973-03-21 Improvements in or relating to electro-pneumatic fire alarms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU66955/74A AU478116B2 (en) 1973-03-21 1973-03-21 Improvements in or relating to electro-pneumatic fire alarms

Publications (2)

Publication Number Publication Date
AU6695574A AU6695574A (en) 1975-09-25
AU478116B2 true AU478116B2 (en) 1975-09-25

Family

ID=3751336

Family Applications (1)

Application Number Title Priority Date Filing Date
AU66955/74A Expired AU478116B2 (en) 1973-03-21 1973-03-21 Improvements in or relating to electro-pneumatic fire alarms

Country Status (1)

Country Link
AU (1) AU478116B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3018642A1 (en) * 2014-11-10 2016-05-11 Kidde Technologies, Inc. Pneumatic pressure detector for a fire alarm system and method of insulating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3018642A1 (en) * 2014-11-10 2016-05-11 Kidde Technologies, Inc. Pneumatic pressure detector for a fire alarm system and method of insulating
US9396636B2 (en) 2014-11-10 2016-07-19 Kidde Technologies, Inc. Pneumatic pressure detector for a fire alarm system and method of insulating

Also Published As

Publication number Publication date
AU6695574A (en) 1975-09-25

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