Patent 11306878 - Smart-home device light rings with scalloped transmissive sections for uniform output > Summary
US Patent
Patent Application No. US 11306878
Published on Apr 19, 2022
Application No. 17/170235
Field on Feb 8, 2021
Classification
International:
F21K 9/237
F21K 9/61;
F21V 5/04;
F21V 5/00;
H05B 47/19;
F21V 33/00;
F21K 9/62;
F21K 9/65;
F21V 8/00;
H04N 5/225;
H04N 7/18;
F21Y 115/10;