US 12,169,234 B2
Safety device for providing output to an individual associated with a hazardous environment
Clinton Sean Fleming, Cranberry Township, PA (US); Jason Paul Eaton, Hunker, PA (US); and Alec Cantor, Pittsburgh, PA (US)
Assigned to MSA Technology, LLC, Cranberry Township, PA (US)
Filed by MSA Technology, LLC, Cranberry Township, PA (US)
Filed on Apr. 26, 2022, as Appl. No. 17/729,665.
Application 17/729,665 is a continuation of application No. 16/818,124, filed on Mar. 13, 2020, granted, now 11,346,938.
Claims priority of provisional application 62/818,831, filed on Mar. 15, 2019.
Prior Publication US 2022/0260704 A1, Aug. 18, 2022
Int. Cl. G01S 13/89 (2006.01); H01Q 3/26 (2006.01); H01Q 21/20 (2006.01); H04B 10/112 (2013.01)
CPC G01S 13/89 (2013.01) [H01Q 3/2605 (2013.01); H01Q 21/205 (2013.01); H04B 10/1123 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A device, comprising:
at least one directional antenna;
at least one processor programmed or configured to:
receive a plurality of messages from a transmitting device configured to transmit messages at different power levels comprising:
a first message received at a first power level, the first message comprising data associated with a power level at which the first message was transmitted by the transmitting device, and
a second message received at a second power level, the second message comprising data associated with a power level at which the second message was transmitted by the transmitting device, the second message being transmitted by the transmitting device at a different power level than the first message;
determine a heading toward the transmitting device based on the first power level of the first message and the second power level of the second message; and
output, based on the determined heading, data associated with an indication of an alignment of the at least one directional antenna toward the transmitting device.