US 12,307,809 B2
Photographing apparatus and authentication apparatus
Yusuke Matsuda, Tokyo (JP); Naoto Miura, Tokyo (JP); Akio Nagasaka, Tokyo (JP); Yo Nonomura, Tokyo (JP); and Keiichiro Nakazaki, Tokyo (JP)
Assigned to Hitachi, Ltd., Tokyo (JP)
Filed by Hitachi, Ltd., Tokyo (JP)
Filed on Feb. 1, 2024, as Appl. No. 18/429,809.
Application 18/429,809 is a continuation of application No. 17/642,630, granted, now 11,928,889, previously published as PCT/JP2020/032464, filed on Aug. 27, 2020.
Claims priority of application No. 2019-219636 (JP), filed on Dec. 4, 2019.
Prior Publication US 2024/0221420 A1, Jul. 4, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G06V 40/145 (2022.01); G06V 10/141 (2022.01); G06V 10/143 (2022.01); H04N 23/56 (2023.01); H04N 23/74 (2023.01)
CPC G06V 40/145 (2022.01) [G06V 10/141 (2022.01); G06V 10/143 (2022.01); H04N 23/56 (2023.01); H04N 23/74 (2023.01)] 28 Claims
OG exemplary drawing
 
1. A photographing apparatus, comprising:
a housing;
an image sensor configured to obtain a blood vessel image of a plurality of fingers;
a first light source;
a second light source; and
an upper plate portion of the housing;
wherein the image sensor, the first light source and the second light source are arranged in the housing;
wherein a first optical axis of the first light source is tilted in a first direction where the second light source is present so that the first optical axis intersects the upper plate portion, a second optical axis of the second light source is tilted in a second direction where the first light source is present so that the second optical axis intersects the upper plate portion; and
wherein the image sensor is configured to receive reflected light from the plurality of fingers which is irradiated with light from the first light source and the second light source.