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Dive into the research topics where Charles D. Baker is active.

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Featured researches published by Charles D. Baker.


Journal of the Acoustical Society of America | 1990

Apparatus and method for using ultrasound to determine hematocrit

Owen D. Brimhall; Stephen C. Peterson; Charles D. Baker; Merwyn D. Riddle

This invention is an ultrasound apparatus for determining hematocrit. A sample of blood in a microhematocrit capillary tube is acoustically coupled to an ultrasound transducer which creates a standing wave in the blood sample. Red blood cells in the blood sample are packed in bands that correspond to the nodes of the standing wave. The thickness of the bands as a function of the thickness of the remaining plasma is an indication of the hematocrit of the blood sample.


Archive | 1988

Methods and apparatus for moving and separating materials exhibiting different physical properties

Stephen C. Peterson; Owen D. Brimhall; Thomas J. McLaughlin; Charles D. Baker; Sam L. Sparks


Archive | 1976

Noninvasive, continuous intraocular pressure monitor

Lucien Alfred Couvillon; Thomas Reaks Grover; Charles D. Baker; William Sanford Topham


Archive | 1988

Apparatus and methods for achieving urinary continence

Sam L. Sparks; Owen D. Brimhall; Stephen C. Peterson; Charles D. Baker


Archive | 1988

Apparatus and method for obtaining a rapid hematocrit

Owen D. Brimhall; Thomas J. McLaughlin; Charles D. Baker; Stephen C. Peterson


Archive | 1985

Artificial sphincter apparatus and method

Charles D. Baker; Owen D. Brimhall; Charles R. Galway


Archive | 1989

Electronic level apparatus and method

Charles D. Baker; Owen D. Brimhall; James E. Messinger


Archive | 1991

Noncontact hematocrit reader apparatus and method

Charles D. Baker; Owen D. Brimhall; Thomas J. McLaughlin


Archive | 1988

Hematocrit reader apparatus and method

Charles D. Baker; Owen D. Brimhall; James E. Messinger


Archive | 1988

Apparatus for achieving urinary continence

Sam L. Sparks; Stephen C. Peterson; Owen D. Brimhall; Charles D. Baker

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