Patent ID: 11927323
Assignee: APUTURE IMAGING INDUSTRIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A zoom device, comprising a light output side, wherein the zoom device comprises:
a first lens assembly disposed close to the light output side;
a connecting frame disposed at a side of the first lens assembly away from the light output side;
a first gear assembly disposed between the first lens assembly and the connecting frame, wherein the first gear assembly comprises a light transmitting area in communication with the light output side;
a second gear assembly disposed at a side of the first gear assembly facing the light transmitting area, wherein the second gear assembly meshes with the first gear assembly, and the second gear assembly is further connected with the first lens assembly; and
a third gear assembly disposed at a side of the first gear assembly facing the light transmitting area, wherein the third gear assembly meshes with the first gear assembly, and the third gear assembly is further connected with the connecting frame;
wherein the third gear assembly and the second gear assembly are disposed at interval along a circumferential direction of the first gear assembly, and the first gear assembly is configured to drive the second gear assembly and the third gear assembly to adjust a distance between the first lens assembly and the connecting frame.