Patent ID: 8125461

Claim:
An input device associated with a handheld device, comprising: a single flexible printed circuit comprising multiple button regions, each button region being associated with a dome switch, a button layout comprising a graphic feature formed with electronic ink, the graphic feature associated with each of the multiple button regions and configured to be dynamically moved and mapped to different mechanical button areas provided in fixed locations within the device, multiple capacitive sensor pads formed from a first conductive layer laminated to a first surface of the flexible printed circuit, multiple display pads formed from a second conductive layer laminated to a second surface of the flexible printed circuit, the first surface and the second surface being on opposite sides of the flexible printed circuit, wherein the handheld device is moveable between at least a first device orientation and a second device orientation, the button layout having an upright orientation relative to a user of the handheld device when the handheld device is oriented in the first device orientation, and the button layout relative to the handheld device changing to consistently maintain the upright orientation relative to the user as the handheld device is oriented in the second device orientation.