Patent ID: 11938822
Assignee: HYUNDAI MOBIS CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  H | IPC B

Claim 9:
10. A method of operating a button structure for a vehicle AV system,
wherein the vehicle AV system comprises:
a front panel configured to define a body and having a plurality of mounting holes formed in a front surface of the front panel directed toward an interior of an occupant compartment;
a screen unit disposed above the front panel and configured to receive an output signal and output information;
button units respectively accommodated in the plurality of the mounting holes and configured to selectively control AV systems of a vehicle;
display portions formed on the plurality of button units are turned off when the user's hand is not detected by the detection units,
the plurality of display portions are turned on when the user's hand is about 15 cm from the detection unit,
the display portion of a first button unit closest to the user's hand and the display portions of two second button units close to the first button unit, among the plurality of button units, are turned on when the user's hand is about 10 cm from the detection unit, and
only the display portion of a third button unit closest to the user's hand, among the plurality of button units, is turned on when the user's hand is about 5 cm from the detection unit;
a plurality of detection units accommodated in the front panel respectively corresponding to the button units and being configured to detect a user's hand; and
a plurality of lighting units accommodated in a housing, disposed rearward of the button units, and configured to emit light to the button units in response to detection signals from the detection units, said method comprising:
turning on or off the plurality of the lighting units based a distance from the user's hand detected by the detection units.