4. Electricity: measuring and testing
  5. Conductor identification or location
  6. Inaccessible

John J. Fry

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Analog to digital conversion

Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent

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Apparatus for measuring differential impedances

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

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Apparatus for measuring differential impedances

Electricity: measuring and testing – Conductor identification or location – Inaccessible
Patent

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Automotive oxygen sensor for use in an industrial process analyz

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent

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Current fault detection system and method for AC controller

Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent

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Profile ID: LFUS-PAI-P-101781

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