US 12,346,007 B2
Underwater observation device
Ing-Jer Huang, Kaohsiung (TW)
Assigned to NATIONAL SUN YAT-SEN UNIVERSITY, Kaohsiung (TW)
Filed by NATIONAL SUN YAT-SEN UNIVERSITY, Kaohsiung (TW)
Filed on Jan. 16, 2023, as Appl. No. 18/154,877.
Claims priority of application No. 111200821 (TW), filed on Jan. 20, 2022; and application No. 202222787565.1 (CN), filed on Sep. 21, 2022.
Prior Publication US 2023/0229063 A1, Jul. 20, 2023
Int. Cl. G03B 17/08 (2021.01); H04N 23/20 (2023.01); H04N 23/51 (2023.01); H04N 23/52 (2023.01)
CPC G03B 17/08 (2013.01) [H04N 23/20 (2023.01); H04N 23/51 (2023.01); H04N 23/52 (2023.01)] 14 Claims
OG exemplary drawing
 
1. An underwater observation device, comprising:
a case body having an inner space, and comprising:
a first transparent portion located on a side of the case body, wherein the first transparent portion is formed of a transparent material, at least one object is suitable to be located on the first transparent portion;
a first filtering portion disposed on the case body and configured to filter a plurality of impurities in a fluid entering the inner space of the case body; and
a first observation assembly configured to observe the at least one object on the first transparent portion through the first transparent portion and the fluid, which passes through the first filtering portion and enters the inner space of the case body.