US 11,988,891 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 Jul. 25, 2022, as Appl. No. 17/814,723.
Application 17/814,723 is a continuation of application No. 16/781,444, filed on Feb. 4, 2020, granted, now 11,428,894.
Prior Publication US 2022/0357552 A1, Nov. 10, 2022
Int. Cl. G02B 7/04 (2021.01)
CPC G02B 7/04 (2013.01) 17 Claims
OG exemplary drawing
 
1. A discrete focusing lens assembly comprising:
a lens barrel, wherein the lens barrel includes a first positioning magnet and a second positioning magnet; and
wherein the first positioning magnet and the second positioning magnets 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, and wherein the module base is designed to support the first positioning coil assembly at a first coil position and the second positioning coil assembly at a second coil position, the first coil position opposite the second coil position; and
at least one module alignment pin engaged with the module base, the positioning coil board, and the lens barrel assembly,
wherein the first positioning coil assembly and the second positioning coil assembly, together with the lens barrel assembly, define a focus position for the lens barrel assembly.