A method and apparatus for detecting and removing unstripped residual shell left on shellfish. This method and apparatus are characterized by irradiating a light of specific wave-range onto stripped shellfish after finishing the shell-stripping work thereof. A CCD camera is used to examine the shellfish....http://www.google.de/patents/US6808448?utm_source=gb-gplus-sharePatent US6808448 - Method and device for detecting/removing crustacean with untorn shell
