Zongmin Ma

4 Patents

• US122925592025

  System of Automatic Adjustment of Laser Reflection Path

  North University Of China

  0 cites
• US116788262023

  Magnetometer Used for Cardiac Magnetic Field Measurement and Based on Nitrogen-vacancy (NV) Centers in Diamond, and Cardiac Magnetic Field Measurement System

  North Univeristy Of China

  0 cites
• US116562592023

  System and Method of Measuring the Frequency of a Radio Frequency Signal

  North University Of China

  0 cites
• US116144642023

  System for Simultaneously and Microscopically Measuring Vapor Cell Coating Film Energy Transfer and Relaxation Characteristics at Nanometer Scales

  North University Of China

  0 cites