Patent ID: 11967756
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A method of receiving broadcasting by using an antenna apparatus, the method comprising:
receiving, by a printed circuit board (PCB) module, a request to change a frequency to a target frequency from a broadcasting receiver, wherein the PCB module comprises a ground region, a control unit, a first switch and a second switch;
converting a broadcasting signal into a current by an antenna located directly below a metal panel forming an exterior surface of a vehicle, wherein the antenna is occluded by the metal panel;
amplifying the current and transmitting an amplified current to the broadcasting receiver by the PCB module; and
inducing current from one of the antenna and the metal panel to an other of the antenna and the metal panel, wherein the current from the one of the antenna and the metal panel generates an electromagnetic field, the electromagnetic field forming a current in the other of the antenna and the metal panel,
wherein a first ground extender is arranged at a first ground location within the ground region to electrically connect a ground of the PCB module to a first location of the metal panel located directly above the first ground location,
wherein a second ground extender is arranged at a second ground location within the ground region to electrically connect the ground of the PCB module to a second location of the metal panel located directly above the second ground location,
wherein the first ground location is isolated from other ground region by fill-cut, and the second ground location is isolated from the other ground region by the fill-cut,
wherein the first ground extender is connected to the first switch, and the second ground extender is connected to the second switch,
wherein, in response to the request, the control unit configured to control at least one of the first switch or the second switch so that a current flows to the first ground extender or the second ground extender corresponding to the target frequency,
wherein the metal panel is continuous and forms a substantially common plane from directly above the antenna to the first location and the second location.