Track wheel with reduced space requirements

Details Track wheel with reduced space requirements Track wheel with reduced space requirements

G - Physics

06

F

G06F 3/03 (2006.01) H04W 88/02 (2009.01) G06F 1/16 (2006.01) G06F 3/033 (2006.01)

Patent

CA 2498322

An input generating device for use in a hand held electronic device having a housing includes a core formed in a planar and semicircular shape, forming a peripheral edge extending around said core and a track slidably engaged with the peripheral side edge. A curved portion of the peripheral edge extends outwardly from the housing allowing access thereto by the user. A first input is generated by sliding movement of the flexible track relative to the core. First input detection means, such as a turns encoder switch detects the sliding movement of the track. The core is depressibly mounted within the housing, generating a second input when the core is depressed. A second input detection means, such as a tactile contact switch detects depression of the core.

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