Patent ID: 7854668

Claim:
An apparatus for indicating shooting arm position of a basketball player relative to a basketball facility, comprising: a housing to be secured to an arm of a basketball player; an optical projecting device at least partially enclosed within the housing, configured to selectively project a beam of light with a first optical characteristic and a beam of light with a second optical characteristic onto an environment of the basketball facility, wherein the light of the first optical characteristic is responsive to a first beam control signal in a first operating mode, and wherein the light of the second optical characteristic is responsive to a second beam control signal in a second operating mode; a leveling sensor at least partially enclosed by the housing, configured to generate a level signal indicative of an orientation of the housing relative the basketball facility; and a controller at least partially enclosed within the housing, configured to generate the first beam control signal as a function of the level signal when an orientation of the housing is in a first orientation relative to the basketball facility and the second beam control signal as a function of the level signal when an orientation of the housing is in a second orientation relative to the basketball facility.