With its big red “HELP” button and associated transmitters including a portable emergency pendant, a single press of the button can start an emergency signal to be sent to the Central Monitoring ...

NHK provides two types of emergency broadcasts ... with constant reception of One-Seg signals limits the method's feasibility on a small portable receiver like a cellular phone.

With its big red “HELP” button and associated transmitters including a portable emergency pendant, a single press of the button can start an emergency signal to be sent to the Central Monitoring ...