Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-10-16
2007-10-16
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S629000, C700S258000, C348S143000
Reexamination Certificate
active
11029360
ABSTRACT:
A fire alarm spreading system includes a robot cleaner for generating fire alarm data when smoke is detected while patrolling a specific area and transmitting the fire alarm data; and a wireless communication base station for receiving the fire alarm data transmitted from the robot cleaner and transmitting the received fire alarm data to a pre-set fire center. When a fire breaks out in a specific space (e.g., in a house), the mobile robot such as the robot cleaner detects the fire (smoke) and generates a fire alarm tone. Thus, the fire can be quickly detected and people can evacuate from the fire-generated area, reducing casualty.
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Fan Hongmin
Greenblum & Bernstein P.L.C.
Hofsass Jeffery
LG Electronics Inc.
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