Apple has filed for a continuation patent that details accelerated scrolling via the iPod click wheel, but the description and drawings that make up that filing also point to the inclusion of an iPod scroll wheel in place of a keyboard’s numeric keypad.

“The keyboard apparatus can also include a button associated with the rotational input unit. As shown in FIG. 7A, the button can be provided at a center region of the rotational input unit. However, the button is not required and, if provided, can be placed elsewhere, such as outside the periphery of the rotational input unit.”

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