×

Elevator monitoring system including automatic passenger detection

  • US 7,823,702 B2
  • Filed: 12/05/2005
  • Issued: 11/02/2010
  • Est. Priority Date: 12/05/2005
  • Status: Expired due to Fees
First Claim
Patent Images

1. An elevator monitoring system, comprising:

  • an interphone base device telephone-communicating with a plurality of interphone terminal devices; and

    an operation monitoring apparatus that receives operation condition data from a group supervisory control device which controls operations of a plurality of elevators and displays operation conditions of the elevators on a monitor, wherein;

    the interphone base device and the operation monitoring apparatus telephone-communicate with each other; and

    the operation monitoring apparatus detects that a passenger within a car of at least one of the elevators cannot perform an interphone communication based upon the operation condition data and information of communication conditions with respect to the interphone terminal devices, which are received from the interphone base device.

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