Direction control key assembly
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United States of America Patent
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Mar 15, 1994
Grant Date -
N/A
app pub date -
Jun 14, 1993
filing date -
Jun 4, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A direction control key assembly comprises a base on which a cover is mounted to provide an interior space for receipt of a circuit board therein which has at least four switch units thereon respectively designating a specific direction. A button member is supported on the cover by a ball joint and has four pins depending therefrom respectively corresponding to the switch units such that when the button member is rotated with respect to the ball joint to allow one of the pins to engage and thus close the corresponding one of the switch units. A direction signal associated with the closed switch is thus generated.
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