×

Elevator installation modernization using an existing interface

  • US 10,112,799 B2
  • Filed: 02/19/2015
  • Issued: 10/30/2018
  • Est. Priority Date: 09/16/2008
  • Status: Active Grant
First Claim
Patent Images

1. An elevator installation modernization method comprising:

  • placing a destination call control at an elevator installation, the destination call control being configured to generate start floor signals and destination floor signals based at least in part on at least one of a destination call signal or an identification code; and

    connecting the destination call control with an existing elevator control using an existing serial maintenance interface of the existing elevator control, such that the destination call control is configured to provide the start floor signals and the destination floor signals to the existing elevator control through the existing serial maintenance interface by implementing a communications protocol compatible with the existing serial maintenance interface to provide the start floor signals and the destination floor signals to the existing elevator control.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×