Hand-held electronic device with a keyboard optimized for use with the thumbs
First Claim
Patent Images
1. A miniature keyboard for use in a hand-held wireless messaging device, comprising:
- a plurality of oblong-shaped keys arranged in at least three arced rows to form a QWERTY-style keyboard;
at least a plurality of the oblong-shaped keys in each row being tilted at an angle relative to a vertical reference extending from a top edge of the hand-held wireless messaging device to a bottom edge of the hand-held wireless messaging device;
at least a plurality of the oblong-shaped keys in each row being offset along both a horizontal and a vertical axis from each of the keys in an adjacent row;
a plurality of the oblong-shaped keys including a setter character and an alternate character; and
the alternate characters including the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0.
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Abstract
A hand-held electronic device with a keyboard optimized for use with the thumbs is disclosed. In order to operate within the limited space available on a hand-held electronic device, the present invention optimizes the placement and shape of the keys, preferably using keys that are oval or oblong in shape, and that are preferably placed at angles designed to facilitate thumb-typing. The angles at which keys on either side of the keyboard are placed is complimentary.
221 Citations
31 Claims
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1. A miniature keyboard for use in a hand-held wireless messaging device, comprising:
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a plurality of oblong-shaped keys arranged in at least three arced rows to form a QWERTY-style keyboard;
at least a plurality of the oblong-shaped keys in each row being tilted at an angle relative to a vertical reference extending from a top edge of the hand-held wireless messaging device to a bottom edge of the hand-held wireless messaging device;
at least a plurality of the oblong-shaped keys in each row being offset along both a horizontal and a vertical axis from each of the keys in an adjacent row;
a plurality of the oblong-shaped keys including a setter character and an alternate character; and
the alternate characters including the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A hand-held wireless messaging device including a miniature keyboard, the miniature keyboard comprising:
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a plurality of keys arranged in at least three arced rows to form a QWERTY-style keyboard;
at least a plurality of the keys in each row being tilted at an angle relative to a vertical reference extending from a top edge of the hand-held wireless messaging device to a bottom edge of the hand-held wireless messaging device;
a plurality of the keys including a letter character and an alternate character; and
the alternate characters including the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification