US 12,169,989 B2
Job site security system and method of use therefor
Hei Man Raymond Lee, Kwai Chung (CN); and Ngai Cheung, Kwai Chung (CN)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed on Oct. 23, 2023, as Appl. No. 18/492,160.
Application 18/492,160 is a continuation of application No. 18/167,205, filed on Feb. 10, 2023, granted, now 11,798,336.
Application 18/167,205 is a continuation of application No. 17/703,431, filed on Mar. 24, 2022, granted, now 11,580,804, issued on Feb. 14, 2023.
Application 17/703,431 is a continuation of application No. 16/964,370, granted, now 11,302,127, issued on Apr. 12, 2022, previously published as PCT/CN2018/074354, filed on Jan. 26, 2018.
Prior Publication US 2024/0054832 A1, Feb. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G07C 9/00 (2020.01); H04W 84/18 (2009.01)
CPC G07C 9/00896 (2013.01) [G07C 9/00571 (2013.01); G07C 2009/00769 (2013.01); H04W 84/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A job site security system comprising:
a device including a first controller operatively connected to a first wireless transceiver, the device assigned to an operable location; and
a wireless communication node including a second controller and a second wireless transceiver, the wireless communication node corresponding to the operable location, the second controller configured to:
transmit an unlocking signal to the device in response to the device being in wireless communication with the wireless communication node.