Communications: electrical – Condition responsive indicating system – With particular coupling link
Reexamination Certificate
2007-09-18
2007-09-18
La, Anh V. (Department: 2612)
Communications: electrical
Condition responsive indicating system
With particular coupling link
C340S539100, C340S522000, C340S573100, C340S573400
Reexamination Certificate
active
11113719
ABSTRACT:
A two-way emergency alert system comprising two devices in communication for a minimum of 1500 feet apart, each device featuring a sequential button for on, audio alarm, vibratory alarm, and off, each device further comprising a low battery indicator, alarm activation button, and a reset, each device further comprising a distance meter for gauging distances between the two devices, and a GPS instrument for locating one device with respect to the other. The devices are offered both in necklace form and bracelet form and each includes an internal antenna connected to a transmitter and a receiver.
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Crossley Mark A.
Crossley Patent Law
La Anh V.
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