4. Electricity: measuring and testing
  5. Measuring, testing, or sensing electricity, per se
  6. Frequency of cyclic current or voltage

Tatsuo Hiroshima

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Automatic sensitivity adjustment apparatus for calibration of a

Electricity: measuring and testing – Magnetic – Calibration
Patent

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Circuit breaker

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Tripping means
Patent

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Eddy current probe with transverse polygonal detecting coil

Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Reexamination Certificate

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Electrostatic capacitance sensor, electrostatic capacitance...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate

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Electrostatic capacitance sensor, electrostatic capacitance...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate

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Profile ID: LFUS-PAI-P-224481

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