4. Electricity: motive power systems
  5. With particular motor-driven load device
  6. Tension-maintaining type of motor-control system

Donald R. Spaman

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Magnetic memory disc purge erase apparatus

Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent

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Reel-to-reel drive with speed control

Electricity: motive power systems – With particular motor-driven load device – Tension-maintaining type of motor-control system
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Tape transport cartridge

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent

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Profile ID: LFUS-PAI-P-31873

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