Patent ID: 11950027
Assignee: CORETRONIC CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 8:
9. The operation method of the interactive projection system according to claim 8, wherein the touch calibration comprises a plurality of selection positions, and the step of confirming the touch range of the touch interactive light source device comprises:
covering, by the visible light curtain, the entire projection range, and enabling the visible light curtain to be parallel to the infrared light curtain; and
using an object to click the selection positions in sequence, and achieving confirmation of the touch range of the touch interactive light source device after correction confirmation of the control module, wherein when the object approaches the projection surface and contacts the infrared light curtain, the control module receives an infrared light beam reflected by the object through the camera module of the projector, and identifies a position of the object or a touch position of the object corresponding to the projection range according to the infrared light beam.