Egg inspecting apparatus

Details Egg inspecting apparatus Egg inspecting apparatus

1978-02-22

1980-01-08

McGraw, Vincent P.

Optics: measuring and testing

Egg candling

Photoelectric

356407, A01K 4300, G01N 3308

Patent

active

041825713

ABSTRACT:
An egg inspecting apparatus utilizes the light reception signals of 575 m.mu., 590 m.mu., and 620 m.mu. obtained from the light beams passed through an egg to be inspected, in such a manner the light reception signal of 575 m.mu. is calibrated by basing on the light reception signal 590 m.mu. and is compared with a blood-containing egg level to select blood-containing eggs, and the light reception signal of 620 m.mu. is compared with an addled egg level to select addled eggs.

REFERENCES:
patent: 3031077 (1962-04-01), Mumma et al.
patent: 3770354 (1973-11-01), Tsuruta et al.
patent: 4039259 (1977-08-01), Saito et al.
patent: 4063822 (1977-12-01), de Jong et al.

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