Flow meter having a background pattern with first and second portions

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United States of America Patent

PATENT NO 9746094
APP PUB NO 20160061641A1
SERIAL NO

14938368

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A flow meter includes a first image sensor, a background pattern, and at least one processor. The first image sensor has a first field of view and is positioned to view a drip chamber within the first field of view. The background pattern is positioned within the field of view of the first image sensor, and the background pattern includes first and second portions. The processor is operatively coupled to the first image sensor and configured to: receive a first image from the first image sensor, and estimate at least one parameter of liquid within the drip chamber in accordance with a distortion of the background pattern caused by the liquid as indicated by the first image.

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Patent Owner(s)

  • DEKA PRODUCTS LIMITED PARTNERSHIP

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kamen, Dean Bedford, US 502 27804
Kane, Derek G Manchester, US 92 5374
Kerwin, John M Manchester, US 196 14092
Murphy, Colin H Cambridge, US 80 6523
Peret, Bob D Bedford, US 40 4628
Yoo, Brian H Cambridge, US 27 2514

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