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US 10,407,835 B2Granted
Projector for track alignment reference systems
AssigneeFocus Point Solutions
InventorsTodd Van Cleave, Larry Van Cleave
Life of this patent
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Abstract
Track alignment reference system projectors having a modulated light source, in addition to arrays of light sources, optionally utilizing a lens are provided. Track alignment systems that utilize or may make use of cascaded devices are also described. Related systems and methods are also provided.
Claims12
A track alignment reference system projector having a modulated light source, wherein the modulated light source is configured to employ higher order modulation comprising between 5 to 25 times a base carrier frequency of 500 Hz or higher, wherein the modulated light source emits a signal comprising encoded data.
Dependencies are inferred from the claim text.