US 12,239,139 B2
Shrimp processing system
Byron M. Falgout, River Ridge, LA (US)
Assigned to Laitram, L.L.C., Harahan, LA (US)
Appl. No. 17/797,033
Filed by Laitram, L.L.C., Harahan, LA (US)
PCT Filed Feb. 9, 2021, PCT No. PCT/US2021/017209
§ 371(c)(1), (2) Date Aug. 2, 2022,
PCT Pub. No. WO2021/178111, PCT Pub. Date Sep. 10, 2021.
Claims priority of provisional application 62/985,014, filed on Mar. 4, 2020.
Prior Publication US 2023/0067525 A1, Mar. 2, 2023
Int. Cl. A22C 29/00 (2006.01); A22C 29/02 (2006.01)
CPC A22C 29/005 (2013.01) [A22C 29/026 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A shrimp processing system comprising:
an imaging chamber;
a conveyor having a width, an infeed end, and an opposite discharge end and conveying a stream of shrimps from the infeed end to the discharge end and through the imaging chamber;
wherein the imaging chamber includes:
a UV source continuously subjecting an exposure region of the conveyor in the imaging chamber to ultraviolet radiation;
a white-light source turned on and off periodically to subject the exposure region to white light only when the white-light source is turned on;
a camera imaging the exposure region to take a first image of the shrimps on the conveyor when the white-light source is turned on and a second image when the white-light source is turned off;
a controller turning the white-light source on and off and processing the first and second images to identify shrimps to be rejected as rejects.