Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1987-10-16
1988-08-30
Shoop, Jr., William M.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187124, B66B 118
Patent
active
047669780
ABSTRACT:
An elevator control system and method for efficient failure control of block operation with a local area network on the traveling cable and distributed electronic control circuits in the car and proximate to the respective floors with a remote microprocessor controller for each car. A local area network also provides communication with the corridor fixtures in a serial signal format of input and output signals. Each remote controller includes a microprocessor based computer circuit which normally communicates over a multicar-link with the other and also over the local area networks for car and hall calls. Each controller implements an adaptive time based block operation with the total building being serviced, despite partial or total failure of communication between the controllers and the corridor fixtures, which would otherwise degrade the bank operation sooner and more restrictively.
REFERENCES:
patent: 4345670 (1982-08-01), Kaneko et al.
patent: 4397377 (1983-08-01), Husson et al.
patent: 4473133 (1984-09-01), Enriquez et al.
Blain Jeffrey W.
Shah Denis D.
Brzuszek J. L.
Duncanson Jr. W. E.
Shoop Jr. William M.
Westinghouse Electric Corp.
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