Importance

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Abstract

A joystick controller apparatus comprises a lever mounted for pivotal motion in at least two directions, a guide defining a preselected shift pattern for the lever, and an indicating arrangement for producing a digital logic representation of the position of the lever relative to the shift pattern. The indicating arrangement comprises energy actuated members positioned at predetermined locations relative to the shift pattern, energy producing members positioned in registry with the energy actuated members for normally actuating the same and shield members interposed between the energy producing members and energy actuated members and movable in response to movement of the lever into positions for respectively permitting and preventing actuation of the energy actuated members by the energy producing members in a predetermined fashion such that said energy actuated members collectively form a representation of the location of the lever relative to the shift pattern.

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First Claim