US 11,915,578 B2
Beacon device, positioning system, beacon signal transmission method
Fumiaki Miyake, Yokohama (JP)
Assigned to JVCKENWOOD Corporation, Yokohama (JP)
Filed by JVCKENWOOD Corporation, Yokohama (JP)
Filed on Sep. 16, 2022, as Appl. No. 17/932,718.
Claims priority of application No. 2021-205999 (JP), filed on Dec. 20, 2021; and application No. 2021-206000 (JP), filed on Dec. 20, 2021.
Prior Publication US 2023/0196902 A1, Jun. 22, 2023
Int. Cl. G08B 25/10 (2006.01); H04W 4/029 (2018.01); G08B 25/14 (2006.01)
CPC G08B 25/10 (2013.01) [G08B 25/14 (2013.01); H04W 4/029 (2018.02)] 10 Claims
OG exemplary drawing
 
1. A beacon device comprising:
a transmitter that transmits a beacon signal;
a receiver that is capable of receiving an emergency signal from a wireless device;
an analyzer that analyzes the emergency signal when the receiver receives the emergency signal; and
a controller that controls the transmission of a beacon signal from the transmitter based on the result of the analysis, wherein
the controller switches at least one of a beacon signal transmission interval and a beacon signal transmission power based on the result of the analysis from the analyzer.