Patents by Inventor Betty J. R. Chavez

Betty J. R. Chavez 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).

  • Method of acoustic calibration using falling media particles to generate ultrasonic reference signals
    Patent number: 6415645
    Abstract: The invention provides a device that generates predictable and reproducible sounds. The device according to the invention serves as a standard to calibrate ultrasonic measuring equipment through either a gaseous medium or a solid medium. The device according to the invention is similar in basic shape to an hourglass or venturi (e.g., a sand-type egg-timer), but instead of using fine particles, such as sand, the device includes identical media particles (e.g., marbles, balls, beads, etc.) which drop from an upper chamber to a lower one. The media particles are pre-sorted so that those sealed within the hourglass structure are uniform. An impingement post (e.g., a bell or sounding plate) is positioned in the path of the falling media particles so that each will hit the sounding plate, resulting in a reverberating sound. The impingement post is cantilevered and supported from a side of a chamber of the hour glass structure.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: July 9, 2002
    Assignee: U.E. Systems, Inc.
    Inventors: Mark A. Goodman, Betty J. R. Chavez
  • Ultrasonic standard
    Patent number: 6341518
    Abstract: The invention provides a device that generates predictable and reproducible sounds. The device according to the invention serves as a standard to calibrate ultrasonic measuring equipment through either a gaseous medium or a solid medium. The device according to the invention is similar in basic shape to an hourglass or venturi (e.g., a sand-type egg-timer), but instead of using fine particles, such as sand, the device includes identical media particles (e.g., marbles, balls, beads, etc.) which drop from an upper chamber to a lower one. The media particles are pre-sorted so that those sealed within the hourglass structure are uniform. An impingement post (e.g., a bell or sounding plate) is positioned in the path of the falling media particles so that each will hit the sounding plate, resulting in a reverberating sound. The impingement post is cantilevered and supported from a side of a chamber of the hour glass structure.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: January 29, 2002
    Assignee: U.E Systems, Inc.
    Inventors: Mark A. Goodman, Betty J. R. Chavez
  • Ultrasonic standard
    Publication number: 20010007203
    Abstract: The invention provides a device that generates predictable and reproducible sounds. The device according to the invention serves as a standard to calibrate ultrasonic measuring equipment through either a gaseous medium or a solid medium. The device according to the invention is similar in basic shape to an hourglass or venturi (e.g., a sand-type egg-timer), but instead of using fine particles, such as sand, the device includes identical media particles (e.g., marbles, balls, beads, etc.) which drop from an upper chamber to a lower one. The media particles are pre-sorted so that those sealed within the hourglass structure are uniform. An impingement post (e.g., a bell or sounding plate) is positioned in the path of the falling media particles so that each will hit the sounding plate, resulting in a reverberating sound. The impingement post is cantilevered and supported from a side of a chamber of the hour glass structure.
    Type: Application
    Filed: February 20, 2001
    Publication date: July 12, 2001
    Applicant: U.E. systems, Inc.
    Inventors: Mark A. Goodman, Betty J.R. Chavez