Register prevent citcuit for invalid calls from elevator halls

  • Inventors: SASAKI OSAMU
  • Assignees: Hitachi Ltd
  • Publication Date: March 14, 1977
  • Publication Number: JP-S5233239-A

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    JP-S5580663-AJune 18, 1980Mitsubishi Electric CorpOperation equipment for elevator
    JP-S6147787-B2October 21, 1986Mitsubishi Electric Corp