4. Telegraphy
  5. Systems
  6. Printing

Richard B. Drabing

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Automatic tester for microprocessor board

Registers – Systems controlled by data bearing records – Time analysis
Patent

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Power line communication system utilizing a local oscillator

Communications: electrical – Systems – Selsyn type
Patent

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Stepping motor drive method and apparatus

Electricity: motive power systems – Open-loop stepping motor control systems
Patent

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Switch-mode power supply

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent

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Thermal message printer

Telegraphy – Systems – Printing
Patent

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Profile ID: LFUS-PAI-P-362681

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