Remote monitoring system with variable period communication chec

Details Remote monitoring system with variable period communication chec Remote monitoring system with variable period communication chec

1993-11-12

1995-03-21

Stephan, Steven L.

Elevator, industrial lift truck, or stationary lift for vehicle

With monitoring, signalling, and indicating means

Monitors operational parameter

187247, B60B 300

Patent

active

053987829

ABSTRACT:
A remote elevator monitoring system includes a master associated with a building and a local connected to the master. The local includes an electronic processor which executes instructions for determining whether the master has transmitted a signal packet to the local within a time period selectable at will by an operator at the local. The time period is, for example, a period selected within a range of 0-255 days. Optionally, for example, the master is programmed to transmit a signal packet to the local at a selected time on the last day of the selected time period.

REFERENCES:
patent: 4568909 (1986-02-01), Whynacht
patent: 4622538 (1986-11-01), Whynacht et al.
patent: 4703325 (1987-10-01), Chamberlin et al.
patent: 4771865 (1988-09-01), Hinderling
patent: 4930604 (1990-06-01), Schienda et al.
patent: 5064026 (1991-11-01), Nagata et al.
Article entitled "Elevator Monitoring and Command System" by Kone EMC (5 pages).

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