Patent Number: 9,803,474

Title: Systems and methods for alert and advisory broadcast

Abstract: Methods, radios, components thereof, and other terminals for broadcasting alert and advisory. A radio signal at a current radio frequency is obtained. The current radio signal comprises a plurality of identifiers, numbers, and commands that collectively represent an advisory signal. Each receiving terminal in the plurality of receiving terminals corresponds to a portion of the broadcast area. The current radio signal is compared with a predetermined group number, a terminal number, and a physical address. Each receiving terminal in the plurality of reference receiving terminals is associated with a group number, a terminal number, and a physical address. When the comparing identifies a unique match between the current radio signal and a reference receiving terminal in the plurality of reference receiving terminals, the advisory signal is deemed to be targeted to the physical address associated with the receiving terminal.

Inventors: Tong; Gar Lung Bethune (Hong Kong, HK)

Assignee:

International Classification: G01V 3/00 (20060101); E21B 47/12 (20120101)

Expiration Date: 2021-10-31 0:00:00