US Pat. No. 10,922,955

BATTERY INTERCONNECTED SMOKE DETECTOR SYSTEM

Vireo Tech, LLC, Gilbert...

1. A rechargeable battery interconnected smoke detector system comprising:a plurality of smoke detectors to electrically couple to a dedicated circuit;
a rechargeable battery located inside a case of one of the plurality of smoke detectors; and
a first relay to directly electrically couple to the dedicated circuit, an alternating current source, and the rechargeable battery,
wherein the first relay is to selectively conduct an alternating current from the alternating current source to the dedicated circuit to power the plurality of smoke detectors under a condition wherein the alternating current source is present and selectively conduct a direct current from the rechargeable battery to the dedicated circuit to power the plurality of smoke detectors under a condition wherein the alternating current source is not present.

US Pat. No. 10,431,055

BATTERY INTERCONNECTED ALERT DEVICE SYSTEM WITH VIBRATIONAL ALERT

Vireo Tech, LLC, Gilbert...

1. An alert device system comprising:an alert device comprising:
a vibration source coupled to a back plate of the alert device, wherein the back plate is adapted to mount to an electrical junction box on a wall or ceiling of a building structure; and
at least one circuit to transfer power to activate the vibration source, wherein activation of the vibration source causes vibration of the wall, the ceiling, and a floor of the building structure.