Remote elevator monitoring system

Details Remote elevator monitoring system Remote elevator monitoring system

1983-12-19

1986-02-04

Rowland, James L.

Communications: electrical

Selective

Having indication or alarm

340 19R, 187 29R, B66B 302

Patent

active

045689091

ABSTRACT:
A plurality of operating systems in buildings organized in geographical groups, each group having a local service office, are monitored at both the local offices and a central office for the presence of various combinations of performance criteria defining alarm conditions.

REFERENCES:
patent: 3851735 (1974-12-01), Winkler et al.
patent: 3973648 (1976-08-01), Hummert et al.
patent: 4023139 (1977-05-01), Samburg
patent: 4330838 (1982-05-01), Yoneda et al.
patent: 4370717 (1983-01-01), Hummert et al.
patent: 4387368 (1983-06-01), Day, III et al.
patent: 4418795 (1983-12-01), Trosky et al.
patent: 4512442 (1985-04-01), Moore et al.
patent: 4517468 (1985-05-01), Kemper et al.

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