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

Claim 1:
2. The interactive projection system according to claim 1, wherein the touch interactive light source device further comprises a visible light source module configured to emit a visible light curtain and electrically connected to the wireless signal transmission module, wherein the control module controls the projection optical engine to generate a plurality of selection positions on the projection surface, and controls the visible light source module to turn on, when the visible light curtain covers the projection range and is parallel to the infrared light curtain, and after confirming that the object clicks the selection positions in sequence, the control module confirms a touch range of the touch interactive light source device, the control module then turns off the visible light source module and keeps turning on the at least one infrared light source module, so that the interactive projection system is in the interactive mode.