Patents by Inventor Daniel M. Edmans

Daniel M. Edmans 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).

  • Differential wideband vibration
    Patent number: 6220096
    Abstract: This invention relates to an apparatus for making highly sensitive differential measurements of acceleration. The vibration sensor includes the use of moveable gate field effect transistors to sense the motion of a cantilever beam relative to the motion sensed by a reference structure, it also includes an actuator element formed by a pair of electrodes actuating electrostatically on the beam. A feedback control loop is also included for force balance operation resulting in a very wide dynamic range for the sensor.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: April 24, 2001
    Assignee: InterScience, Inc.
    Inventors: Adolfo O. Gutierrez, Daniel M. Edmans, Christopher Cormeau
  • Wideband vibration sensor
    Patent number: 5874675
    Abstract: This invention relates to an apparatus for making highly sensitive measurements of acceleration. The vibration sensor includes the use of a movable gate field effect transistor to sense the motion of a cantilever beam with respect to its base, it also includes an actuator element formed by a pair of electrodes actuating electrostatically on the beam. A feedback control loop is also included for force balance operation resulting in a very wide dynamic range for the sensor.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: February 23, 1999
    Assignee: InterScience, Inc.
    Inventors: Daniel M. Edmans, Adolfo Gutierrez, Christopher Cormeau, Edward Maby