Patents by Inventor Jerome J. Workman

Jerome J. Workman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10345228
    Abstract: Various embodiments of a dark reference standard for an instrument are described. In one embodiment, the dark reference standard includes a sample cup and an arrangement of dark reference standard materials. The arrangement of dark reference standard materials can be embodied as a dark glass, such as a welding glass, and a polymer film such as a carbon black or carbon black master polymer film.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: July 9, 2019
    Assignee: PROCESS SENSORS CORPORATION
    Inventors: Jerome J. Workman, Jr., John Glaberson
  • Patent number: 10309829
    Abstract: Aspects of a micromirror spectrophotometer assembly are described. In one example case, an instrument includes a diffraction grating to disperse broadband light over a range of wavelengths, a detector, a digital micromirror device (DMD) configured to scan through and reflect at least a portion of the range of wavelengths toward the detector, and a base platform having a number of integrally formed assembly mounts. The assembly mounts are formed to align and secure the diffraction grating, the detector, the DMD, and other optical components of the instrument in a predetermined arrangement. The instrument can also include a reference paddle having a reference material for calibration of the instrument, and a rotatable sample tray to rotate a sample placed on the sample tray for measurement.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: June 4, 2019
    Assignee: PROCESS SENSORS CORPORATION
    Inventors: Jerome J. Workman, Jr., John Coates, David Naranjo
  • Patent number: 10215635
    Abstract: Aspects of blending data detected by a monochromator over multiple wavelength ranges is described herein. In one embodiment, the monochromator includes a diffraction grating, a grating drive motor that rotates the diffraction grating to provide, by diffraction of broadband light, first dispersed wavelengths of light and second dispersed wavelengths of light, a detector that detects a first reflection from the first dispersed wavelengths of light and a second reflection from the second dispersed wavelengths of light, and processing circuitry that blends data values from the first reflection and data values from the second reflection together to provide a spectrum of combined data values. By blending data detected over multiple ranges, measurements of relatively high precision and quality can be provided over a wider spectral range.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: February 26, 2019
    Assignee: WESTCO SCIENTIFIC INSTRUMENTS, INC
    Inventors: Jerome J. Workman, Jr., Tushar Saraf, Thomas Andrew Bennett, John Glaberson
  • Publication number: 20190049306
    Abstract: The calibration of an instrument, such as a spectrophotometer, for measuring baking contrast units (BCUs) is described. In one example, a spectrophotometer includes a filter wheel including, among other filters, a bandpass filter to transmit a range of broadband light through the spectrophotometer. The spectrophotometer also includes a detector to detect a reference sample value based on a reflection of the range of light off a BCU reference standard. Processing circuitry in the spectrophotometer is configured to calculate a reflectance ratio value based on a ratio of the reference sample value and a reference reflectance value, and calibrate the spectrophotometer for measuring BCUs based on the reflectance ratio value and a known BCU value for the BCU reference standard. The reference sample value and the reference reflectance value can also be corrected for measurement drift attributed to a source of the broadband light and/or the detector over time.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 14, 2019
    Inventors: Jerome J. Workman, JR., Mikhael G. Jobran, Robert John Winson
  • Publication number: 20180348052
    Abstract: Aspects of a micromirror spectrophotometer assembly are described. In one example case, an instrument includes a diffraction grating to disperse broadband light over a range of wavelengths, a detector, a digital micromirror device (DMD) configured to scan through and reflect at least a portion of the range of wavelengths toward the detector, and a base platform having a number of integrally formed assembly mounts. The assembly mounts are formed to align and secure the diffraction grating, the detector, the DMD, and other optical components of the instrument in a predetermined arrangement. The instrument can also include a reference paddle having a reference material for calibration of the instrument, and a rotatable sample tray to rotate a sample placed on the sample tray for measurement.
    Type: Application
    Filed: July 13, 2018
    Publication date: December 6, 2018
    Inventors: Jerome J. Workman, JR., John Coates, David Naranjo
  • Publication number: 20180340805
    Abstract: Aspects of spectrometer secondary reference calibration are described. In one embodiment, a diagnostic measurement for evaluation of an aspect of calibration in spectroscopy is performed. A result of the diagnostic measurement is analyzed to determine a deviation from an expected result. Based on the analysis, a correction algorithm may be applied to the aspect of calibration, in view of the deviation. In some embodiments, a product model diagnostic measurement is also performed for further evaluation of the aspect of calibration. A result of the product model diagnostic measurement is analyzed to determine a product model deviation from an expected result of the product model diagnostic measurement, and a product model correction algorithm is applied, if necessary. According to aspects of the embodiments described herein, using secondary reference standards permits reconstruction of calibration parameters without any need for a master instrument or other forms of calibrated reference instrumentation.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 29, 2018
    Inventor: Jerome J. Workman, JR.
  • Patent number: 10054483
    Abstract: Aspects of a micromirror spectrophotometer assembly are described. In one example case, an instrument includes a diffraction grating to disperse broadband light over a range of wavelengths, a detector, a digital micromirror device (DMD) configured to scan through and reflect at least a portion of the range of wavelengths toward the detector, and a base platform having a number of integrally formed assembly mounts. The assembly mounts are formed to align and secure the diffraction grating, the detector, the DMD, and other optical components of the instrument in a predetermined arrangement. The instrument can also include a reference paddle having a reference material for calibration of the instrument, and a rotatable sample tray to rotate a sample placed on the sample tray for measurement.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: August 21, 2018
    Assignee: WESTCO SCIENTIFIC INSTRUMENTS, INC
    Inventors: Jerome J. Workman, Jr., John Coates, David Naranjo
  • Patent number: 10048100
    Abstract: Aspects of spectrometer secondary reference calibration are described. In one embodiment, a diagnostic measurement for evaluation of an aspect of calibration in spectroscopy is performed. A result of the diagnostic measurement is analyzed to determine a deviation from an expected result. Based on the analysis, a correction algorithm may be applied to the aspect of calibration, in view of the deviation. In some embodiments, a product model diagnostic measurement is also performed for further evaluation of the aspect of calibration. A result of the product model diagnostic measurement is analyzed to determine a product model deviation from an expected result of the product model diagnostic measurement, and a product model correction algorithm is applied, if necessary. According to aspects of the embodiments described herein, using secondary reference standards permits reconstruction of calibration parameters without any need for a master instrument or other forms of calibrated reference instrumentation.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: August 14, 2018
    Assignee: WESTCO SCIENTIFIC INSTRUMENTS, INC
    Inventor: Jerome J. Workman, Jr.
  • Publication number: 20180209849
    Abstract: Aspects of blending data detected by a monochromator over multiple wavelength ranges is described herein. In one embodiment, the monochromator includes a diffraction grating, a grating drive motor that rotates the diffraction grating to provide, by diffraction of broadband light, first dispersed wavelengths of light and second dispersed wavelengths of light, a detector that detects a first reflection from the first dispersed wavelengths of light and a second reflection from the second dispersed wavelengths of light, and processing circuitry that blends data values from the first reflection and data values from the second reflection together to provide a spectrum of combined data values. By blending data detected over multiple ranges, measurements of relatively high precision and quality can be provided over a wider spectral range.
    Type: Application
    Filed: January 26, 2017
    Publication date: July 26, 2018
    Inventors: Jerome J. Workman, Jr., Tushar Saraf, Thomas Andrew Bennett, John Glaberson
  • Publication number: 20170254742
    Abstract: Various embodiments of a dark reference standard for an instrument are described. In one embodiment, the dark reference standard includes a sample cup and an arrangement of dark reference standard materials. The arrangement of dark reference standard materials can be embodied as a dark glass, such as a welding glass, and a polymer film such as a carbon black or carbon black master polymer film.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 7, 2017
    Inventors: Jerome J. Workman, JR., John Glaberson
  • Patent number: 9551612
    Abstract: Aspects of a monochromator are described herein. In one embodiment, the monochromator includes a light source that provides light, a diffraction grating including a first diffraction grating and a second diffraction grating, a grating drive motor that rotates the diffraction grating to provide dispersed wavelengths of light, a detector that detects a portion of the dispersed wavelengths of light, and processing circuitry that controls a grating drive motor to regulate an angular velocity of the grating based on an angular orientation of the diffraction grating. By using a diffraction grating having multiple, different dispersive surfaces, measurements of relatively high precision and quality may be taken throughout a wider spectral range. In another aspect, the processing circuitry controls a sample drive motor to vary an angle of incidence of the dispersed wavelengths of light onto a sample for evaluation.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: January 24, 2017
    Assignee: WESTCO SCIENTIFIC INSTRUMENTS, INC
    Inventors: Jerome J. Workman, Jr., Tushar Saraf, Thomas Andrew Bennett
  • Patent number: 9546903
    Abstract: Aspects of a tandem dispersive range monochromator and data knitting for the monochromator are described herein. In one embodiment, the monochromator includes a tandem diffraction grating, a grating drive motor that rotates the tandem diffraction grating to provide, by diffraction of broadband light, first dispersed wavelengths of light and second dispersed wavelengths of light, a detector that detects a first reflection from the first dispersed wavelengths of light and a second reflection from the second dispersed wavelengths of light, and processing circuitry that knits together data values from the first reflection and data values from the second reflection to provide a spectrum of combined data values. By using a tandem diffraction grating having different dispersive surfaces, measurements of relatively high precision and quality may be taken throughout a wider spectral range, and the measurements may be knitted together to provide a spectrum of combined data values.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: January 17, 2017
    Assignee: WESTCO SCIENTIFIC INSTRUMENTS, INC
    Inventors: Jerome J. Workman, Jr., Tushar Saraf, Thomas Andrew Bennett
  • Publication number: 20160299003
    Abstract: Aspects of a monochromator are described herein. In one embodiment, the monochromator includes a light source that provides light, a diffraction grating including a first diffraction grating and a second diffraction grating, a grating drive motor that rotates the diffraction grating to provide dispersed wavelengths of light, a detector that detects a portion of the dispersed wavelengths of light, and processing circuitry that controls a grating drive motor to regulate an angular velocity of the grating based on an angular orientation of the diffraction grating. By using a diffraction grating having multiple, different dispersive surfaces, measurements of relatively high precision and quality may be taken throughout a wider spectral range. In another aspect, the processing circuitry controls a sample drive motor to vary an angle of incidence of the dispersed wavelengths of light onto a sample for evaluation.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 13, 2016
    Inventors: Jerome J. Workman, JR., Tushar Saraf, Thomas Andrew Bennett
  • Publication number: 20160299005
    Abstract: Aspects of a tandem dispersive range monochromator and data knitting for the monochromator are described herein. In one embodiment, the monochromator includes a tandem diffraction grating, a grating drive motor that rotates the tandem diffraction grating to provide, by diffraction of broadband light, first dispersed wavelengths of light and second dispersed wavelengths of light, a detector that detects a first reflection from the first dispersed wavelengths of light and a second reflection from the second dispersed wavelengths of light, and processing circuitry that knits together data values from the first reflection and data values from the second reflection to provide a spectrum of combined data values. By using a tandem diffraction grating having different dispersive surfaces, measurements of relatively high precision and quality may be taken throughout a wider spectral range, and the measurements may be knitted together to provide a spectrum of combined data values.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 13, 2016
    Inventors: Jerome J. Workman, JR., Tushar Saraf, Thomas Andrew Bennett
  • Patent number: 9404799
    Abstract: Aspects of a tandem dispersive range monochromator are described herein. In one embodiment, the monochromator includes a light source that provides broadband light, a tandem diffraction grating including a first diffraction grating and a second diffraction grating, a grating drive motor that rotates the tandem diffraction grating to provide dispersed wavelengths of light, a detector that detects a portion of the dispersed wavelengths of light, and processing circuitry that controls a grating drive motor to regulate an angular velocity of the tandem grating based on an angular orientation of the tandem diffraction grating. By using a tandem diffraction grating having different dispersive surfaces, measurements of relatively high precision and quality may be taken throughout a wider spectral range. In another aspect, the processing circuitry controls a sample drive motor to vary an angle of incidence of the dispersed wavelengths of light onto a sample for evaluation.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: August 2, 2016
    Assignee: WESTCO SCIENTIFIC INSTRUMENTS, INC.
    Inventors: Jerome J. Workman, Jr., Tushar Saraf, Thomas Andrew Bennett
  • Patent number: 9395245
    Abstract: Aspects of a tandem dispersive range monochromator and data knitting for the monochromator are described herein. In one embodiment, the monochromator includes a tandem diffraction grating, a grating drive motor that rotates the tandem diffraction grating to provide, by diffraction of broadband light, first dispersed wavelengths of light and second dispersed wavelengths of light, a detector that detects a first reflection from the first dispersed wavelengths of light and a second reflection from the second dispersed wavelengths of light, and processing circuitry that knits together data values from the first reflection and data values from the second reflection to provide a spectrum of combined data values. By using a tandem diffraction grating having different dispersive surfaces, measurements of relatively high precision and quality may be taken throughout a wider spectral range, and the measurements may be knitted together to provide a spectrum of combined data values.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: July 19, 2016
    Inventors: Jerome J. Workman, Jr., Tushar Saraf, Thomas Andrew Bennett
  • Publication number: 20150138536
    Abstract: Aspects of a tandem dispersive range monochromator and data knitting for the monochromator are described herein. In one embodiment, the monochromator includes a tandem diffraction grating, a grating drive motor that rotates the tandem diffraction grating to provide, by diffraction of broadband light, first dispersed wavelengths of light and second dispersed wavelengths of light, a detector that detects a first reflection from the first dispersed wavelengths of light and a second reflection from the second dispersed wavelengths of light, and processing circuitry that knits together data values from the first reflection and data values from the second reflection to provide a spectrum of combined data values. By using a tandem diffraction grating having different dispersive surfaces, measurements of relatively high precision and quality may be taken throughout a wider spectral range, and the measurements may be knitted together to provide a spectrum of combined data values.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 21, 2015
    Inventors: Jerome J. Workman, Tushar Saraf, Thomas Andrew Bennett
  • Publication number: 20150142364
    Abstract: Aspects of spectrometer reference calibration are described. In one embodiment, a diagnostic measurement for evaluation of an aspect of calibration in spectroscopy is performed. A result of the diagnostic measurement is analyzed to determine a deviation from an expected result. Based on the analysis, a correction algorithm may be applied to the aspect of calibration, in view of the deviation. In some embodiments, a product model diagnostic measurement is also performed for further evaluation of the aspect of calibration. A result of the product model diagnostic measurement is analyzed to determine a product model deviation from an expected result of the product model diagnostic measurement, and a product model correction algorithm is applied, if necessary. According to aspects of the embodiments described herein, using reference standards permits reconstruction of calibration parameters without any need for a master instrument or other forms of calibrated reference instrumentation.
    Type: Application
    Filed: January 20, 2015
    Publication date: May 21, 2015
    Inventor: Jerome J. Workman
  • Publication number: 20140268106
    Abstract: Aspects of a tandem dispersive range monochromator are described herein. In one embodiment, the monochromator includes a light source that provides broadband light, a tandem diffraction grating including a first diffraction grating and a second diffraction grating, a grating drive motor that rotates the tandem diffraction grating to provide dispersed wavelengths of light, a detector that detects a portion of the dispersed wavelengths of light, and processing circuitry that controls a grating drive motor to regulate an angular velocity of the tandem grating based on an angular orientation of the tandem diffraction grating. By using a tandem diffraction grating having different dispersive surfaces, measurements of relatively high precision and quality may be taken throughout a wider spectral range. In another aspect, the processing circuitry controls a sample drive motor to vary an angle of incidence of the dispersed wavelengths of light onto a sample for evaluation.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Inventors: Jerome J. Workman, JR., Tushar Saraf, Thomas Andrew Bennett
  • Publication number: 20140127137
    Abstract: Small Molecule Metabolite Reporters (SMMRs) for use as in vivo glucose biosensors, sensor compositions, and methods of use, are described. The SMMRs include boronic acid-containing xanthene, coumarin, carbostyril and phenalene-based small molecules which are used for monitoring glucose in vivo, advantageously on the skin.
    Type: Application
    Filed: June 17, 2013
    Publication date: May 8, 2014
    Applicant: Cercacor Laboratories, Inc
    Inventors: Emile M. Bellott, Dongsheng Bu, James J. Childs, Christopher Lambert, Hubert A. Nienaber, Shirley J. Shi, Zhaolin Wang, Jerome J. Workman, Alex R. Zelenchuk