Elevator based security system

Details Elevator based security system Elevator based security system

1995-05-12

1998-05-12

Nappi, Robert

Elevator, industrial lift truck, or stationary lift for vehicle

With call registration means

Shared by plural load supports

187392, B66B 142

Patent

active

057494436

ABSTRACT:
A security system for an elevator is disclosed that secures access to a landing by having the resident use a transmitter identifying the secured landing. In a building having a plurality of secured landings, the transmitter provides access to only one of the secured landings by emitting a signal that identifies only that secured landing. The emitted signal is received by a receiver and sent to a controller of the elevator system. In a particular embodiment, the elevator system includes a plurality of common landings and a plurality of private landings. Each transmitter provides access to all the common landings and only the particular private landing that corresponds to that transmitter.

REFERENCES:
patent: 4341288 (1982-07-01), Bass
patent: 4431086 (1984-02-01), Moser et al.
patent: 4520905 (1985-06-01), Sasao
patent: 4590604 (1986-05-01), Feilchenfeld
patent: 4655324 (1987-04-01), Meguerdichian et al.
patent: 4673911 (1987-06-01), Yoshida
patent: 4685538 (1987-08-01), Kamaike
patent: 4852695 (1989-08-01), Ostrowiecki
patent: 4979594 (1990-12-01), Begle et al.

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