TREA

Alarm systems in which substations are interrogated in succession by a central station

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Industry

  • CPC
  • G08B26/00
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Parent Industries

GPHYSICS G08Signaling G08BSIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS

Current Industry

G08B26/00Alarm systems in which substations are interrogated in succession by a central station

Sub Industries

G08B26/001with individual interrogation of substations connected in parallel G08B26/002only replying the state of the sensor G08B26/003replying the identity and the state of the sensor G08B26/004with common interrogation of substations G08B26/005with substations connected in series G08B26/006with substations connected to an individual line G08B26/007Wireless interrogation G08B26/008central annunciator means of the sensed conditions
Industries