Device and method for adjusting a signal for an object detector

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United States of America Patent

PATENT NO 11493426
APP PUB NO 20210131941A1
SERIAL NO

16945518

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Abstract

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An object counting device adjusts a signal to account for noise to improve object counting accuracy. A controller receives an electromagnetic radiation (e.g., light) intensity signal from radiation detectors and determines that its value is within a voltage threshold, thereby indicating that no object is passing through the radiation. The controller determines a derivative of the signal and that the derivative is less than a derivative threshold level for at least a predefined time. The controller then updates a base noise floor value to be the value of the radiation intensity signal to account for particles within a path of the electromagnetic radiation to improve an object counting accuracy. In some embodiments, the processor can scale the received radiation intensity signal in accordance with the updated base noise floor value.

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Patent Owner(s)

Patent OwnerAddress
DEERE & COMPANYONE JOHN DEERE PLACE MOLINE IL 61265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cowles, Kevin P Fargo, US 12 45
Jelinek, Jason A Fargo, US 2 2
King, Ryan J West Fargo, US 3 2
Lindseth, Waylon R Fargo, US 2 2
Perkinson, Caleb A Fargo, US 2 2
Puhalla, Jeffrey S Hawley, US 15 240
Zhang, Haifeng Fargo, US 49 62

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