US 11,838,609 B2
Image pickup apparatus
Ryoko Moriya, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Apr. 22, 2022, as Appl. No. 17/727,576.
Claims priority of application No. 2021-075391 (JP), filed on Apr. 27, 2021.
Prior Publication US 2022/0345594 A1, Oct. 27, 2022
Int. Cl. H04N 23/51 (2023.01); H04N 23/54 (2023.01); H04N 23/56 (2023.01)
CPC H04N 23/51 (2023.01) [H04N 23/54 (2023.01); H04N 23/56 (2023.01)] 18 Claims
OG exemplary drawing
 
1. An image pickup apparatus comprising:
a housing that includes a top cover and a bottom cover and houses a camera unit;
an inner cover disposed inside the housing;
an illumination unit disposed inside the housing and includes an illumination device, and
an illumination substrate fixed to the bottom cover and mounted with the illumination unit,
wherein the inner cover has an opening on an optical path of the illumination device,
wherein the inner cover includes a first rib on a side of the top cover and a second rib on a side of the bottom cover, the first rib and the second rib being formed around the opening,
wherein the bottom cover includes a bottom cover rib, and
wherein a distance between the second rib and the bottom cover rib is shorter than a distance between the second rib and the illumination substrate.