Patent ID: 8413904
Filing Date: 2013-04-09
Classification: G06F

Abstract:
1. A handheld electronic book device comprising: a display screen adapted for displaying visible representations of content of an electronic book; a keyboard having keys arranged in horizontal rows and vertical columns, wherein the keyboard includes: a top row of horizontally aligned keys that are oriented uniformly; a plurality of middle rows of keys that are oriented non-uniformly; and a bottom row of horizontally aligned keys that are oriented uniformly; wherein a first plurality of the keys in the middle rows is arranged in arcs relative to a first point of reference on the device, and a second plurality of the keys in the middle rows is arranged in arcs relative to a second point of reference on the device, the second point of reference being spaced from the first point of reference on the device; wherein the plurality of middle rows of keys comprises at least 26 keys; and wherein each key of the middle rows of keys is located at a distinct intersection of one of the middle rows with one of the arcs.