US 11,867,983 B2
Electronic eyeglasses
Masayoshi Hino, Ehime (JP); and Ryuki Kan, Tokyo (JP)
Assigned to Mitsui Chemicals, Inc., Tokyo (JP)
Filed by Mitsui Chemicals, Inc., Tokyo (JP)
Filed on Jul. 31, 2020, as Appl. No. 16/944,620.
Application 16/944,620 is a continuation of application No. 16/062,070, granted, now 10,768,443, previously published as PCT/JP2016/088180, filed on Dec. 21, 2016.
Claims priority of application No. 2015-250326 (JP), filed on Dec. 22, 2015.
Prior Publication US 2020/0363652 A1, Nov. 19, 2020
Int. Cl. G02C 11/00 (2006.01); G02C 5/16 (2006.01); G02C 7/06 (2006.01); G02C 11/02 (2006.01); H01M 50/256 (2021.01); G02C 5/14 (2006.01); H01M 50/216 (2021.01)
CPC G02C 5/16 (2013.01) [G02C 5/143 (2013.01); G02C 7/06 (2013.01); G02C 11/02 (2013.01); G02C 11/10 (2013.01); H01M 50/256 (2021.01); H01M 50/216 (2021.01); H01M 2220/30 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A power supply unit configured to detachably couple to an eyewear, the power supply unit comprising:
a first housing portion defining a first interior volume;
a second housing portion defining a second interior volume that is different than the first interior volume; and
a narrow portion positioned between the first housing portion and the second housing portion, wherein the narrow portion is narrower than the first housing portion and the second housing portion,
wherein at least one of the first housing portion, the second housing portion, or the narrow portion is exposed when the power supply unit is coupled to the eyewear,
wherein a side surface of the narrow portion is located inside the power supply unit in a plan view as compared with a side surface of the first housing portion.