Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Opto-electric device for measuring the root-mean-square value of an alternating current voltage

Opto-electric device for measuring the root-mean-square value of an alternating current voltage

US Patent 6724179 · Granted Apr 20, 2004

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Particle sizing refinement system2009
Sensor drift characteristic testing2009
Method and apparatus for measuring electro-physiological activity2008
Method and apparatus for measuring electro-physiological activity2008
Tamper resistant radon detector2008
Particle sizing refinement system2006
Method and apparatus for particle sizing2005
High-impedance optical electrode2005
High-impedance optical electrode2005
Optical modulator2003
Optical modulator2003
Opto-electric device for measuring the root-mean-square value of an alternating 2002