4. Telegraphy
  5. Systems
  6. Position coordinate determination for writing

Sigurd G. Waaben

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Apparatus for determining the location of faults in a transmissi

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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DC-to-DC Converters utilizing FET devices

Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
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Optically actuated bidirectional semiconductor switch

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Signal corrected optocoupled device

Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent

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Single polarity circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
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Profile ID: LFUS-PAI-P-327341

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