4. Electricity: power supply or regulation systems
  5. Input level responsive

Helmut L. Schroder-Brumloop

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Blocked door detection for an elevator system

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
Patent

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Differential magnetic alignment of an elevator and a landing

Elevator – industrial lift truck – or stationary lift for vehicle – With monitoring – signalling – and indicating means – Monitors operational parameter
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Double-drive automatic sliding door operator

Movable or removable closures – Closures interconnected for concurrent movement – Opposed similar movement
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Driver for power field-controlled switches with refreshed power

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
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Generation of an elevator door close warning

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
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Profile ID: LFUS-PAI-P-428648

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