US 12,411,304 B2
Discrete variable focus assemblies, apparatuses, and methods of use
Chen Feng, Snohomish, WA (US); Tao Xian, Mount Laurel, NJ (US); Paul Poloniewicz, Waxhaw, NC (US); and Scott Bracken, Lynwood, WA (US)
Assigned to Hand Held Products, Inc., Charlotte, NC (US)
Filed by Hand Held Products, Inc., Charlotte, NC (US)
Filed on Apr. 15, 2024, as Appl. No. 18/636,024.
Application 18/636,024 is a continuation of application No. 17/814,723, filed on Jul. 25, 2022, granted, now 11,988,891.
Application 17/814,723 is a continuation of application No. 16/781,444, filed on Feb. 4, 2020, granted, now 11,428,894, issued on Aug. 30, 2022.
Prior Publication US 2024/0280781 A1, Aug. 22, 2024
Int. Cl. G02B 7/04 (2021.01)
CPC G02B 7/04 (2013.01) 20 Claims
OG exemplary drawing
 
1. A discrete focusing lens assembly comprising:
a lens barrel assembly, wherein the lens barrel assembly comprises a lens barrel, a first positioning magnet and a second positioning magnet, wherein the first positioning magnet and the second positioning magnet are mounted opposite to each other;
a positioning coil board comprising at least a first positioning coil assembly and a second positioning coil assembly;
a module base defining an inner module space designed to fit the lens barrel assembly, wherein the module base is designed to support the positioning coil board;
at least one module alignment pin engaged with the module base, the positioning coil board, and the lens barrel assembly; and
at least one front limit screw engaged with at least one front limit component of the module base, wherein the at least one front limit screw is configured to set a front positional limit for movement of the lens barrel assembly within the inner module space.