US 12,243,407 B2
Method and apparatus for social distancing alarm systems
Howard Levin, Austin, TX (US)
Filed by Howard Levin, Austin, TX (US)
Filed on Jun. 29, 2023, as Appl. No. 18/215,889.
Application 18/215,889 is a continuation of application No. 17/713,234, filed on Apr. 5, 2022, granted, now 11,704,990.
Application 17/713,234 is a continuation of application No. 17/233,870, filed on Apr. 19, 2021, granted, now 11,367,335.
Claims priority of provisional application 63/012,442, filed on Apr. 20, 2020.
Prior Publication US 2023/0360512 A1, Nov. 9, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G08B 21/18 (2006.01)
CPC G08B 21/182 (2013.01) 30 Claims
OG exemplary drawing
 
1. A social distancing alarm device (SDAD) comprising:
a sensor adapted to detect a first type of object and a second type of object;
a first variable distance threshold associated with the first type of object;
a second variable distance threshold associated with the second type of object; and
a memory device adapted to store the first and second variable distance thresholds,
wherein the SDAD is adapted to perform a social distancing alarm operation based on at least one of the first or second variable distance thresholds.