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 11:
12. The method according to claim 11, wherein in response to the displayed state of the cigarette packaging carton, a first one of the collapsible pyramid holographic projection imagers is fixed by the support portion, and suspended in the cigarette packet accommodating cavity in a forward pyramid form; and correspondingly, a first one of the image generation devices is provided on the support portion;
a second one of the image generation devices is provided at a bottom of the cigarette packet accommodating cavity, and a second one of the collapsible pyramid holographic projection imagers is provided on the second one of the image generation devices in an inverted pyramid form; and
bottoms of the two collapsible pyramid holographic projection imagers are opposite to each other.