Jason A Jackson

US Patent:

D540335, Apr 10, 2007

Filed:

Apr 3, 2006

Appl. No.:

29/257471

Inventors:

Trevor A. Downs - Temecula CA, US
Shafer Ray Taylor - Farmington UT, US
Russell Gary Stout - Riverton UT, US
Jeffrey Robert Jackson - Little Rock AR, US
Jason A. Jackson - Mapleton UT, US
James Richard Cook - Malaga WA, US

International Classification:

1402

US Classification:

D14455

US Patent:

20080024327, Jan 31, 2008

Filed:

Apr 2, 2007

Appl. No.:

11/695600

Inventors:

Trevor Downs - Temecula CA, US
Shafer Taylor - Farmington UT, US
Russell Stout - Riverton UT, US
Jeffrey Jackson - Little Rock AR, US
Jason Jackson - Mapleton UT, US
James Cook - Malaga WA, US

International Classification:

H03K 17/94
H03M 11/00

US Classification:

341022000, 400489000

Abstract:

Keys of a keypad are configured to exhibit a wave-like vertical profile across a width of the keypad, thereby improving user comfort. Keys on the edge of the main grouping are raised, with the height of adjacent keys gradually reduced until a minimum (trough) is achieved. The height of the further adjacent keys is then increased until a maximum (peak) is achieved. In accordance with one embodiment, the keyboard includes two key troughs separated by an intervening raised key portion. The key troughs are positioned at the approximate location of hands resting on the home row of keys, for example in the case of a QWERTY keypad at the “D” key and at the “K” or “L” keys. The continuous, flowing change in the vertical profile of the keycaps renders the keyboard more accessible to the natural, relaxed state of the human hand, easing physical strain.