1
James P Froehlich, Joseph N Mitchell, Stephen M Jones: Control for CPAP apparatus. DeVilbiss Health Care, MacMillan Sobanski & Todd, September 3, 1996: US05551419 (250 worldwide citation)

The invention relates to continuous positive airway pressure (CPAP) respiratory therapy apparatus for treatment of apnea, hypopnea and other sleep disorders, and particularly to a control for the CPAP apparatus. A blower is connected through a hose and a mask, such as a nasal mask or a nasal cannula ...


2
James P Froehlich, Joseph N Mitchell, Stephen M Jones: Standby control for CPAP apparatus. DeVilbiss Health Care, MacMillan Sobanski Todd, April 2, 1996: US05503146 (188 worldwide citation)

The invention relates to continuous positive airway pressure (CPAP) respiratory therapy apparatus for treatment of apnea, hypopnea and other sleep disorders, and particularly to a standby control for automatically operating an air blower in CPAP apparatus. A blower is connected through a hose and a ...


3
Joseph N Mitchell, Spring M Haby, Dennis S Rushforth, Mark E Van Dyke, Henry W Oviatt Jr, Andrew J Philips, Ralph H Hill Jr, Mary C Marshall: Indicators for early detection of potential failures due to water exposure of polymer-clad fiberglass. Electric Power Research Institute, Dergosits & Noah, February 21, 2006: US07002079 (21 worldwide citation)

A composite insulator containing means for providing early warning of impending failure due to stress corrosion cracking, flashunder, or destruction of the rod by discharge activity conditions is described. A composite insulator comprising a fiberglass rod surrounded by a polymer housing and connect ...


4
Ernest A Franke, Michael J Magee, Michael P Rigney, Joseph N Mitchell, Robert J Beeson: Non-contact apparatus and method for measuring surface profile. Southwest Research Institute, Baker & Hostetler, June 13, 2006: US07061628 (17 worldwide citation)

Embodiments of the invention provide a non-contact method for measuring the surface profile of an object that can include generating a point-type optical signal and projecting it on a rotatable precision optical grating, generating a rotating pattern of light and dark lines onto the object, recordin ...


5
Ernest A Franke, Michael J Magee, Michael P Rigney, Joseph N Mitchell, Robert J Beeson: Non-contact apparatus and method for measuring surface profile. Southwest Research Institute, Grossman Tucker Perreault & Pfleger PLLC, June 3, 2008: US07382471 (7 worldwide citation)

Embodiments of the invention provide a non-contact method for measuring the surface profile of an object that can include generating a point-type optical signal and projecting it on a rotatable precision optical grating, generating a rotating pattern of light and dark lines onto the object, recordin ...


6
Jian Ling, Joseph N Mitchell, Michael E Sullivan, James F Brennan III, Mark R Heistand, Jon Nazemi, William Fraker: Multi-channel fiber optic spectroscopy systems employing integrated optics modules. Prescient Medical, Patton Boggs, May 31, 2011: US07952706 (1 worldwide citation)

The invention provides unitary optics modules that integrate several light management functions for performing optical spectroscopy, such as Raman spectroscopy, and optical spectroscopy systems that include one or more of the unitary optics modules. Methods of using the modules and systems are also ...


7
Andrew J Philips, Ralph H Hill Jr, Mary C Marshall, Joseph N Mitchell, Stephen J Hudak Jr: Chemically-doped composite insulator for early detection of potential failures due to exposure of the fiberglass rod. Electric Power Research Institute, Geoffrey T Staniford, Dergosits & Noah, August 16, 2005: US06930254 (1 worldwide citation)

A composite insulator containing means for providing early warning of impending failure due to stress corrosion cracking, flashunder, or destruction of the rod by discharge activity conditions is described. A composite insulator comprising a fiberglass rod surrounded by a polymer housing and fitted ...


8
Joseph N Mitchell, Michael J McFadden: Scaleable, compact, high resolution optical fingerprint reader. Southwest Research Institute, Chowdhury & Georgakis P C, Ann C Livingston, October 22, 2013: US08564653 (1 worldwide citation)

A fingerprint reader for acquiring a fingerprint image has a platen with a micro prism sheet on its underside. An arrangement of fold mirrors is used to receive light from the platen and fold the optical path twice before reaching the imagers. The reader has multiple imagers, each imager having at l ...


9
Dorel Marius Necsoiu, Joseph N Mitchell, Jason O Burkholder, William T Gressick: White light optical profilometer for measuring complex surfaces. Southwest Research Institute, Chowdhury & Georgakis P C, Ann C Livingston, November 26, 2013: US08593644

A white light optical profilometer having a measurement head that is separated from the base unit by means of a fiber optic bundle. The measurement head contains a Michelson objective, whose reference path is folded so that the measurement head may be compact. The measurement head also contains a ti ...


10
Joseph N Mitchell, Andrew R Moore: Robot vision with three dimensional thermal imaging. Southwest Research Institute, Chowdhury & Georgakis P C, Ann C Livingston, July 15, 2014: US08780179

A robot vision system provides images to a remote robot viewing station, using a single long wave infrared camera on-board the robot. An optical system, also on-board the robot, has mirrors that divide the camera's field of view so that the camera receives a stereoscopic image pair. An image process ...