4. Amplifiers
  5. Combined with automatic amplifier disabling switch means

Lawrence R. Groehl

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Abnormal battery cell voltage detection circuitry

Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent

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Null offset voltage compensation for operational amplifiers

Amplifiers – Combined with automatic amplifier disabling switch means
Patent

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Nullification of magnetic fields relative to coils

Inductor devices – Coils of special configuration
Patent

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Substantial nullification of external magnetic fields and lorent

Inductor devices – Winding formed of plural coils – Wound to reduce external magnetic field
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Profile ID: LFUS-PAI-P-1112687

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