Patents

Displaying 1 - 5 of 5

Interferometric Microphone Calibrator And Comparison Calibrating A Microphone

NIST Inventors

Richard A. Allen and Randall P Wagner

A precision laser-based comparison calibration method for laboratory standard microphones that uses reference microphones calibrated by the pressure reciprocity method.

Rydberg Atom Mixer and Determining Phase of Modulated Carrier Radiation

NIST Inventors

Josh Gordon , Christopher L. Holloway and Matt Simons

A Rydberg atom mixer determines a phase of modulated carrier radiation and includes: a reference radiofrequency source for reference radiofrequency radiation; a modulated carrier source for modulated carrier radiation; a vapor cell to contain gas atoms and that receives reference radiofrequency

Electron Reflectometer and Process for Performing Shape Metrology

NIST Inventors

Wen-Li Wu

An electron reflectometer includes: a sample stage; a source that produces source electrons; a source collimator; and an electron detector that receives collimated reflected electrons.

Graphic for how an inertial measurement unit works

Inertial Measurement Unit and Diagnostic System

NIST Inventors

Gregory W. Vogl

An inertial measurement unit determines performance degradation of a linear axis and includes: an accelerometer that, when disposed on a motion member of the linear axis including the motion member and a base member: measures acceleration of the motion member; and provides a displacement of the

Non-contact Measuring Tool for Precision Measurement

NIST Inventors

Josh Gordon

This invention introduces a non-contact measuring tool designed for precise measurement of objects without physically touching them. It uses advanced optical and sensor technologies to capture accurate data on an object's dimensions and surface characteristics. The tool enhances measurement

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