Communications: electrical – Systems – Plural
Reexamination Certificate
2007-01-30
2007-01-30
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Systems
Plural
C340S870030, C340S288000, C340S577000, C381S059000, C381S082000, C381S079000
Reexamination Certificate
active
10873027
ABSTRACT:
An addressable smart speaker for use in a fire alarm system connects to and receives messages over a network, has plural taps for selecting audio power. In response to a command, a selector in an addressed smart speaker selects a tap to select a particular audio power.
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American Security Equipment Company, Product Specification for Select-A-Horn Series HW-24 Horn.
Simplex Product Datasheet for TrueAlert Addressable Notification Appliances published Jul. 2002 by SimplexGrinnell's Marketing Dept.
Lai Anne V.
SimplexGrinnell LP
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