Elevator car passenger security system

Details Elevator car passenger security system Elevator car passenger security system

1975-12-11

1977-05-31

Schaefer, Robert K.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 116

Patent

active

040263894

ABSTRACT:
An elevator control modifying system which detects the existence of a call registered by a passenger in an elevator car and, until delivery of the registering passenger to the call destination, automatically prevents stopping of the elevator for calls registered at intervening landings and to which the car would normally respond. Upon delivery of the car passenger at the designated floor, the control is automatically conditioned to respond to calls registered at landings. Optionally, high call reversal, if present, is restricted to effective car calls when such a call is registered by the car passenger.

REFERENCES:
patent: 3314501 (1967-04-01), Magee
patent: 3388376 (1968-06-01), Magee
patent: 3428148 (1969-02-01), Jacobs
patent: 3450231 (1969-06-01), Kuzara
patent: 3511344 (1970-05-01), De Lamater

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