Tal Gottesman - Morgantown WV, US Bernard J. Mcgee - Wheeling WV, US Vikram A. Bose-Mullick - Morgantown WV, US
International Classification:
G01J 1/144 H03G 3/20 H04N 5/217
US Classification:
250214C, 250214 AG, 348241
Abstract:
A light scattering photometer signal-enhancement systems includes an adaptive sample and subtract circuit controlled by a computer or microcontroller (MCU). The MCU controls the gain of a programmable-gain amplifier (PGA) cascade that is used to amplify the raw photometer signal. In order to maintain the DC accuracy, the DC offset contained in the raw signal from the photometer is estimated by an algorithmic within the MCU and then subtracted from the raw signal before allowing it to be amplified by the PGA cascade. In addition to DC estimation and adaptive cancellation, the MCU applies a digital filtering scheme to compensate irrelevant frequency bands in the amplified signal and offers user determined averaging functions for additional signal conditioning. Moreover, hardware filters are used to prevent signal aliasing by the analog to digital converters (ADC) and a 60 Hz notch filter suppresses general electrical noise.
Michael McCawley - Morgantown WV, US Gary Ganser - Morgantown WV, US Ian Christie - Morgantown WV, US Tal Gottesman - Morgantown WV, US James Dalton - Morgantown WV, US
Assignee:
Respiratory Management Technology - Morgantown WV
International Classification:
A61B 5/00
US Classification:
600532, 600529
Abstract:
An apparatus for measuring lung ventilation, comprising: a pressure device to measure volume of air flow; an aerosol-generating device that provides aerosol particles to be released at a determined point in a breathing cycle; a mouthpiece with a detector that measures the concentration of aerosol particles for a given volume during the breathing cycle; and a computing device configured to provide lung ventilation data as a function of time constants.
Michael McCawley - Morgantown WV, US Gary Gasner - Morgantown WV, US Ian Christie - Morgantown WV, US Tal Gottesman - Morgantown WV, US James Dalton - Morgantown WV, US
Assignee:
Respiratory Management Technology - Morgantown WV
International Classification:
A61B 5/08
US Classification:
600532, 600529
Abstract:
An apparatus for measuring lung ventilation, comprising: a pressure device to measure volume of air flow; an aerosol-generating device that provides aerosol particles to be released at a determined point in a breathing cycle; a mouthpiece with a detector that measures the concentration of aerosol particles for a given volume during the breathing cycle; and a computing device configured to provide lung ventilation data as a function of time constants.
Michael McCawley - Morgantown WV, US Gary Gasner - Morgantown WV, US Ian Christie - Morgantown WV, US Tal Gottesman - Morgantown WV, US James Dalton - Morgantown WV, US
Assignee:
Respiratory Management Technology - Morgantown WV
International Classification:
A61B 5/08
US Classification:
600538, 600300, 600529, 12820024
Abstract:
An apparatus for measuring lung ventilation, comprising: a pressure device to measure volume of air flow; an aerosol-generating device that provides aerosol particles to be released at a determined point in a breathing cycle; a mouthpiece with a detector that measures the concentration of aerosol particles for a given volume during the breathing cycle; and a computing device configured to provide lung ventilation data as a function of time constants.
Michael McCawley - Morgantown WV, US Gary Ganser - Morgantown WV, US Ian Christie - Morgantown WV, US Tal Gottesman - Morgantown WV, US James Dalton - Morgantown WV, US
International Classification:
A61M011/00
US Classification:
128200140
Abstract:
An apparatus for measuring lung ventilation, comprising: a pressure device to measure volume of air flow; an aerosol-generating device that provides aerosol particles to be released at a determined point in a breathing cycle; a mouthpiece with a detector that measures the concentration of aerosol particles for a given volume during the breathing cycle; and a computing device configured to provide lung ventilation data as a function of time constants.
Signal-Enhancement System For Photodetector Outputs
Tal Gottesman - Morgantown WV, US Bernard J. Mcgee - Wheeling WV, US Vikram A. Bose-Mullick - Morgantown WV, US
Assignee:
Respiratory Management Technology - Morgantown WV
International Classification:
H03F 3/08
US Classification:
250214 A
Abstract:
A light scattering photometer signal-enhancement systems includes an adaptive sample and subtract circuit controlled by a computer or microcontroller (MCU). The MCU controls the gain of a programmable-gain amplifier (PGA) cascade that is used to amplify the raw photometer signal. In order to maintain the DC accuracy, the DC offset contained in the raw signal from the photometer is estimated by an algorithmic within the MCU and then subtracted from the raw signal before allowing it to be amplified by the PGA cascade. In addition to DC estimation and adaptive cancellation, the MCU applies a digital filtering scheme to compensate irrelevant frequency bands in the amplified signal and offers user determined averaging functions for additional signal conditioning. Moreover, hardware filters are used to prevent signal aliasing by the analog to digital converters (ADC) and a 60 Hz notch filter suppresses general electrical noise.
Nathan Cruise - Phoenix MD, US Fugen Qin - Baltimore MD, US Daniele C. Brotto - Baltimore MD, US Tal Gottesman - Towson MD, US Michael Varipatis - Parkville MD, US Brian K. Wohltmann - Rosedale MD, US Steven J. Phillips - Ellicott City MD, US Regina Gracia C. Cunanan - Parkville MD, US Stephen P. Osborne - Baltimore MD, US Geoffrey S. Howard - Columbia MD, US Paul Stephenson - Owings Mills MD, US Joshua D. West - Towson MD, US
International Classification:
H01M 10/44 H01M 2/00
US Classification:
429 50, 429 61
Abstract:
A rechargeable battery pack comprises a battery having a high voltage side and a low voltage side, a positive terminal accessible external of the battery pack and connected to the high voltage side of the battery, a negative terminal accessible external of the battery pack and connected to the low voltage side of the battery, a control terminal accessible external of the battery pack, a switching element electrically connected between the control terminal and the high voltage side of the battery, and a control module operable to control the switching element so that the control terminal is selectively coupled to the high voltage side of the battery.
John C. Vanko - Timonium MD, US Tal Gottesman - Timonium MD, US Daniel Puzio - Baltimore MD, US Michael K. Forster - White Hall MD, US John D. Cox - Lutherville MD, US Joseph P. Kelleher - Parkville MD, US Stuart Garber - Towson MD, US Joerg Zellerhoff - Towson MD, US Joao Norona - Baltimore MD, US Robert S. Gehret - Hampstead MD, US Scott Eshleman - Parkville MD, US Stephen P. Osborne - Pikesville MD, US Brian E. Friedman - Baltimore MD, US Robert A. Usselman - Forest Hill MD, US Anatoliy Nosov - Parkville MD, US Michael C. Doyle - Baldwin MD, US
Assignee:
BLACK & DECKER INC. - Newark DE
International Classification:
F21V 33/00
US Classification:
362119
Abstract:
A power tool includes a tool body having an output member that drives an accessory. An end effector is coupled for rotation with the output member. A light source is disposed on the end effector. A primary coil assembly is configured on the tool body and mounted concentric to the output member. The primary coil assembly includes a primary coil that is electrically connected to a power source of the power tool. A secondary coil assembly is configured on the end effector and mounted concentric to the output member. The secondary coil assembly includes a secondary coil that is electrically connected to the light source. Current flowing through the primary coil creates a magnetic field that causes current to flow through the secondary winding and power the light source.