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

Claim 7:
8. The operation method of the interactive projection system according to claim 7, wherein the step that the interactive projection system is in the interactive mode comprises:
controlling, by the control module, at least one infrared light source module and a visible light source module of the touch interactive light source device through the wireless signal transmission module to emit an infrared light curtain and a visible light curtain parallel to the projection surface;
generating, by the projection optical engine, the touch calibration in the instruction image on the projection surface to confirm a touch range of the touch interactive light source device; and
controlling, by the control module, the touch interactive light source device through the wireless signal transmission module to turn off the visible light source module and keep turning on the at least one infrared light source module, so that the interactive projection system is in the interactive mode.