Procedure and apparatus for analyzing elevator operation

Details Procedure and apparatus for analyzing elevator operation Procedure and apparatus for analyzing elevator operation

1996-12-06

1998-07-28

Trammell, James P.

Boots, shoes, and leggings

364550, 36455101, 187393, G01B 1700

Patent

active

057870209

ABSTRACT:
The invention relates to a procedure and an apparatus for analyzing elevator functions and detecting deviating functions. By monitoring signals associated with traffic events in the elevator system, an analyzer connected to the elevator learns the normal operation of each elevator independently. Signals occurring during operation are compared with the information thus acquired and a failure alarm is produced or the information is altered to make it accord with the new, changed situation.

REFERENCES:
patent: 4512442 (1985-04-01), Moore et al.
patent: 4698780 (1987-10-01), Mandel et al.
patent: 5027299 (1991-06-01), Uetani
patent: 5306878 (1994-04-01), Kubo
patent: 5557546 (1996-09-01), Fukai et al.
patent: 5637841 (1997-06-01), Dugan et al.

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