Seed counting and frequency measurement apparatus and method

Details Seed counting and frequency measurement apparatus and method Seed counting and frequency measurement apparatus and method

G - Physics

06

M

G06M 1/10 (2006.01)

Patent

CA 2597629

An improved device for measuring the count and frequency of seeds in a stream of seeds is described. The device is useful for measuring the frequency and accuracy of seed planting devices. A seed counting system can include an imaging region, an image sensing device, and a lens between the imaging region and the image sensing device. An optical distance extender between the imaging region and the lens, creates an effective optical distance between the imaging region and the lens that is substantially greater than the physical distance between the imaging region and the lens, thereby providing a substantial depth of field.

L'invention concerne un dispositif amélioré permettant de mesurer le nombre et la fréquence de semences dans un flux de semences. Le dispositif permet de mesurer la fréquence et la précision de dispositifs de plantation de semences. Un système de décompte de semences peut comprendre une région d'imagerie, un dispositif de détection d'image et une lentille placée entre la région d'imagerie et le dispositif de détection d'image. Une rallonge de distance optique entre la région d'imagerie et la lentille crée une distance optique efficace entre la région d'imagerie et la lentille, cette distance étant sensiblement supérieure à la distance physique entre la région d'imagerie et la lentille, conférant ainsi une certaine profondeur de champ.

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