Patent ID: 11899398
Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  B  Y | IPC B  G

Claim 1:
2. A packaging box comprising the collapsible pyramid holographic projection imager according to claim 1, wherein when the packaging box is used to package an article, the collapsible pyramid holographic projection imager is in the collapsed state and placed at a certain position; and when the article in the packaging box is taken out, the collapsible pyramid holographic projection imager is in the expanded state and placed into an article packaging cavity of the packaging box, an image generation device is provided in the packaging box, and a video or an image played by the image generation device is projected to the collapsible pyramid holographic projection imager to form a three-dimensional image.