Patent ID: 6330936
Filing Date: 2001-12-18
Classification: B66B,G05B

Abstract:
A method of monitoring and recording information useful in servicing an elevator having a brake, including maintenance and repair, comprising:(a) determining, from elevator operational parameters, including events and conditions, the occurrence of events or conditions which constitute notable features having significance with respect to elevator performance, and in response to each occurrence of any of said notable features, providing a corresponding feature signal;(b) in response to each said feature signal, storing a corresponding manifestation of said notable feature in a chronological log;(c) determining, from elevator operational parameters, an elevator operational event or condition which signifies the end of an elevator operational sequence within which said notable features may be related to a common causation, and generating a separation marker signal in response thereto; and(d) responsive to said separation marker signal, storing a separation marker manifestation chronologically in said log, said separation marker manifestation separating notable features previously recorded in said log from notable features recorded in said log subsequent to recording said separation marker manifestation therein.