RAMPED-KEY KEYBOARD FOR A HANDHELD MOBILE COMMUNICATION DEVICE
First Claim
1. A keyboard for a wireless handheld mobile communication device, the keyboard comprising:
- a keyfield comprising a plurality of depressible keys arranged in rows that are distributed about a vertical centerline of the keyboard; and
each of the depressible keys has a top engagement surface of which an upper inboard portion is raised relative a lower outboard portion thereof.
4 Assignments
0 Petitions
Accused Products
Abstract
Wireless handheld mobile communication device and keyboard therefore having a keyfield including a plurality of depressible keys arranged in rows that are distributed about a vertical centerline (Vc) of the keyboard. Each of the depressible keys has a top engagement surface of which an upper inboard portion is raised relative a lower outboard portion thereof. The top engagement surface of each of the depressible keys is ramped from the lower outboard portion toward the upper inboard portion. Each top engagement surface is generally crest shaped, with the apex of the crest running generally diagonally across the respective key with the rest of the top engagement surface falling away from the crest toward the upper outboard portion and the lower inboard portion of the key. The top engagement surface of each of the depressible keys terminates at an upper edge thereof in an elevated ridge down from which the balance of the respective top engagement surface slopes.
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Citations
24 Claims
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1. A keyboard for a wireless handheld mobile communication device, the keyboard comprising:
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a keyfield comprising a plurality of depressible keys arranged in rows that are distributed about a vertical centerline of the keyboard; and each of the depressible keys has a top engagement surface of which an upper inboard portion is raised relative a lower outboard portion thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A wireless handheld mobile communication device comprising:
a housing with a display located in a top portion thereof for displaying information and a keyboard located in a lower portion thereof below the display and wherein the keyboard comprises a keyfield comprising a plurality of depressible keys arranged in rows that are distributed about a vertical centerline of the keyboard and each of the depressible keys has a top engagement surface of which an upper inboard portion is raised relative a lower outboard portion thereof. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
Specification