EP 1855260 A1 20071114 - FIRE ALARM SYSTEM
Title (en)
FIRE ALARM SYSTEM
Title (de)
FEUERALARMSYSTEM
Title (fr)
SYSTEME D'ALARME INCENDIE
Publication
Application
Priority
- JP 2005016505 W 20050908
- JP 2005168719 A 20050608
Abstract (en)
The fire alarm system of the present invention comprises one receiver and a plurality of fire detectors. Each of the fire detectors and the receiver perform radio communication with each other by using a super frame SF comprising a plurality of frames F1 to F30 each of which includes one down-time slot B for transmission from a receiver side to a fire detector side and a plurality of up-time slots D1 to D99 for transmission from the fire detector side to the receiver side, and the fire detectors are assigned respectively to different ones of the up-time slots for transmission of the radio signal.
IPC 8 full level
G08B 25/10 (2006.01); G08B 17/06 (2006.01)
CPC (source: EP)
G08B 17/00 (2013.01); G08B 25/007 (2013.01); G08B 25/10 (2013.01); G08B 26/007 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1855260 A1 20071114; EP 1855260 A4 20081126; EP 1855260 B1 20100825; AT E479174 T1 20100915; DE 602005023219 D1 20101007; DK 1855260 T3 20101004; JP 2006343983 A 20061221; JP 4396584 B2 20100113; WO 2006131998 A1 20061214
DOCDB simple family (application)
EP 05782278 A 20050908; AT 05782278 T 20050908; DE 602005023219 T 20050908; DK 05782278 T 20050908; JP 2005016505 W 20050908; JP 2005168719 A 20050608