Security system and danger sensor for monitoring danger...

Communications: electrical – Condition responsive indicating system

Reexamination Certificate

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Details

C340S539100, C340S506000, C340S511000, C340S528000, C340S693500, C340S568100

Reexamination Certificate

active

07091844

ABSTRACT:
A security system utilizes danger sensors (3) and a central unit connected wirelessly to the danger sensors (3). The danger sensors (3) have a communication module (8) which has the same dimensions and same shape for all sensor types, and which is intended to attach the danger sensor (3) to a mounting plate (2). In addition to the communication module (8), the danger sensor (3) contains a detection module (9) where the communication module (8) has a mechanical and electrical/electronic interface with the detection module (9).

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patent: 5155469 (1992-10-01), Hartmann et al.
patent: 6114955 (2000-09-01), Brunius et al.
patent: 6420973 (2002-07-01), Acevedo
patent: 3910514 (1990-10-01), None
patent: 0707293 (1996-04-01), None
patent: 0834847 (1996-04-01), None
patent: 0786751 (1997-07-01), None
patent: 0803850 (1997-10-01), None
patent: 1227452 (2002-07-01), None
patent: 9524087 (1995-09-01), None

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