US 12,449,634 B2
Inter-pupillary distance adjustment device
Ankit Kumar, Bangalore (IN); Kondangi Lakshmikumar Arvind, Singapore (SG); and Nelaji Mohanrao Sudarshan, Bangalore (IN)
Assigned to Tonbo Imaging Pte. Ltd., Singapore (SG)
Filed by Tonbo Imaging Pte. Ltd., Singapore (SG)
Filed on Oct. 31, 2022, as Appl. No. 18/051,064.
Prior Publication US 2024/0142750 A1, May 2, 2024
Int. Cl. G02B 7/12 (2021.01); G02B 7/00 (2021.01)
CPC G02B 7/12 (2013.01) [G02B 7/002 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A device for adjusting inter-pupillary distance between eyepieces, the device comprising:
a pinion gear, wherein the pinion gear is mounted on a first pin of a plurality of pins, wherein the pinion gear rotates about a first axis;
a plurality of carrier plates, wherein each of the plurality of carrier plates having gear teeth on a first portion of a side, wherein the gear teeth on the plurality of carrier plates are in mesh with the pinion gear;
a plurality of focal plane arrays, wherein each of the plurality of focal plane arrays are rigidly affixed with a first carrier plate of the plurality of carrier plates and movably supported over a second carrier plate of the plurality of carrier plates; and
a support plate for supporting the pinion gear;
wherein the device enables inter-pupillary distance adjustment between eyepieces without causing skew or distortion of image.