US Patent 10403084 Contactless tactile feedback on gaming terminal with 3D display

In one aspect, there is described a method for a game to a player. The method includes: determining that a game screen provided by a game includes an interface element associated with a contactless feedback effect; identifying a location of one or more player features based on an electrical signal from a locating sensor; determining a mid-air location to be associated with the interface element associated with the contactless feedback effect based on the identified location of the one or more player features; and providing an ultrasonic field at the mid-air location.