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
  • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
  • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
  • G08B29/12—Checking intermittently signalling or alarm systems
  • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
  • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B17/00—Fire alarms; Alarms responsive to explosion
  • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
  • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
  • G08B17/113—Constructional details

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Analytical Chemistry (AREA)
• Business, Economics & Management (AREA)
• Emergency Management (AREA)
• Engineering & Computer Science (AREA)
• Computer Security & Cryptography (AREA)
• Fire-Detection Mechanisms (AREA)
• Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=22840457

Family Applications (1)

Country Status (6)

Families Citing this family (3)

Family Cites Families (1)

• 1982
  • 1982-01-07 CH CH67/82A patent/CH657222A5/de not_active IP Right Cessation
  • 1982-01-11 CA CA000393916A patent/CA1182592A/en not_active Expired
  • 1982-01-11 ES ES508630A patent/ES8307060A1/es not_active Expired
  • 1982-01-12 JP JP57003242A patent/JPS57164398A/ja active Pending
  • 1982-01-12 DE DE19823200620 patent/DE3200620A1/de not_active Ceased
  • 1982-01-12 GB GB8200748A patent/GB2091485B/en not_active Expired

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