A probe tip includes a plurality of light emitters and a control circuit that is coupled to the light emitters. The control circuit is configured to control a projection of a plurality of light patterns from the light emitters for performing a phase-shift analysis using a plurality of images of the light patterns that are projected onto a component being inspected. The control circuit controls the projection of the light patterns by receiving electrical energy from a drive circuit. At least one of the light emitters is identified for receiving a power input based at least in part on the electrical energy received from the drive circuit. The power input is transmitted to the identified light emitter, based at least in part on the electrical energy received from the drive circuit, to enable the activation of the identified light emitter.
https://app.acclaimip.com/pdf/EVfvijXhbGLpV-_v0OFsboKH5HXyd9y8jf79fxA/US8786300B2
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