Optical assembly with a lens magnification-adjusting function
AssigneeBenq Corporation
InventorsYen-Lin Wang, Hsu-Hsin Huang, Hung-Wen Liu
Life of this patent
Estimating the term…
Abstract
An optical assembly includes a barrel including a slot, a lens installed inside the barrel for magnifying an image, a magnification-adjusting mechanism installed outside and around the barrel including an adjusting loop installed outside the barrel in a rotatable manner including a groove on a side facing the barrel, and a roller installed between the adjusting loop and the barrel. The optical machine further includes a rod for adjusting the magnification of the lens. One end of the rod is installed inside the slot of the barrel in a slidable manner, and another end of the rod is installed inside the groove of the adjusting loop in a slidable manner.
Claims9
An optical assembly comprising:
- a barrel comprising a slot;
- a lens installed inside the barrel for magnifying an image;
- a magnification-adjusting mechanism installed outside and around the barrel, the magnification-adjusting mechanism comprising:
- an adjusting loop installed outside the barrel in a rotatable manner, the adjusting loop comprising a groove on a side facing the barrel;
- and
- a roller installed between the adjusting loop and the barrel;
- and
- a rod for adjusting magnification of the lens, one end of the rod being installed inside the slot of the barrel in a slidable manner and another end of the rod being installed inside the groove of the adjusting loop in a slidable manner.
A magnification-adjusting module comprising:
- a barrel comprising a slot;
- a lens installed inside the barrel for magnifying an image;
- a magnification-adjusting mechanism installed outside and around the barrel, the magnification-adjusting mechanism comprising:
- an adjusting loop installed outside the barrel in a rotatable manner around the barrel, the adjusting loop comprising a groove on a side facing the barrel;
- and
- a roller installed between the adjusting loop and the barrel;
- and
- a rod for adjusting magnification of the lens, one end of the rod being installed inside the slot of the barrel in a slidable manner and another end of the rod being installed inside the groove of the adjusting loop in a slidable manner.
Dependencies are inferred from the claim text.