Patents by Inventor Robert Edward Drubka

Robert Edward Drubka 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: 9960754
    Abstract: These various embodiments serve to facilitate interlaced amplitude pulsing using a hard-tube type pulse generator having at least one energy-storage unit each comprising at least one energy-storing capacitor. Generally speaking, this comprises controlling an amount of energy withdrawn from the energy-storage unit and provided to an output load to form productive electric pulses by controlling at least one of: (1) energy replenishment; and (2) non-productive energy withdrawal of the energy-storage unit, to thereby achieve a series of productive interlaced amplitude electric pulses.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: May 1, 2018
    Assignee: Varex Imaging Corporation
    Inventors: Gongyin Chen, Robert Edward Drubka
  • Publication number: 20110298299
    Abstract: These various embodiments serve to facilitate interlaced amplitude pulsing using a hard-tube type pulse generator having at least one energy-storage unit each comprising at least one energy-storing capacitor. Generally speaking, this comprises controlling an amount of energy withdrawn from the energy-storage unit and provided to an output load to form productive electric pulses by controlling at least one of: (1) energy replenishment; and (2) non-productive energy withdrawal of the energy-storage unit, to thereby achieve a series of productive interlaced amplitude electric pulses.
    Type: Application
    Filed: June 8, 2010
    Publication date: December 8, 2011
    Applicant: VARIAN MEDICAL SYSTEMS, INC.
    Inventors: Gongyin Chen, Robert Edward Drubka
  • Patent number: 7991117
    Abstract: An x-ray-based radiation imaging apparatus (200) for use in imaging an object (201) can comprise a source of x-rays (202) having an output radiation intensity control input and a radiation intensity controller (207) operably coupled thereto. This radiation intensity controller can have a control output (209, 210) that is operably coupled to the output radiation intensity control input and an object information input (209). So configured, the radiation intensity controller can dynamically adjust radiation intensity as output by the source of x-rays as a function of information regarding the object itself.
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: August 2, 2011
    Assignee: Varian Medical Systems, Inc.
    Inventors: Gongyin Chen, Robert Edward Drubka, Zane J. Wilson
  • Publication number: 20100177873
    Abstract: An x-ray-based radiation imaging apparatus (200) for use in imaging an object (201) can comprise a source of x-rays (202) having an output radiation intensity control input and a radiation intensity controller (207) operably coupled thereto. This radiation intensity controller can have a control output (209, 210) that is operably coupled to the output radiation intensity control input and an object information input (209). So configured, the radiation intensity controller can dynamically adjust radiation intensity as output by the source of x-rays as a function of information regarding the object itself.
    Type: Application
    Filed: January 13, 2009
    Publication date: July 15, 2010
    Applicant: VARIAN MEDICAL SYSTEMS, INC.
    Inventors: Gongyin Chen, Robert Edward Drubka, Zane J. Wilson