4. Electricity: motive power systems
  5. Reciprocating or oscillating motor
  6. Energizing winding circuit control

Robert B. Gelenius

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Commutatorless direct current motor drive system

Electricity: motive power systems – Reciprocating or oscillating motor – Energizing winding circuit control
Patent

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Commutatorless direct current motor drive system

Electricity: motive power systems – Switched reluctance motor commutation control
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Threshold detector for a condition indication

Communications: electrical – Selective – Having indication or alarm
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Profile ID: LFUS-PAI-P-309317

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