Individual elevator call changing

Details Individual elevator call changing Individual elevator call changing

1998-07-07

1999-09-14

Nappi, Robert E.

Elevator, industrial lift truck, or stationary lift for vehicle

With call registration means

Having call cancel or refuse feature

187392, 187395, B66B 116, B66B 134

Patent

active

059526262

ABSTRACT:
A personal remote control device exchanges electromagnetic transmissions with an elevator system, each transmission including the identification number of the device, whereby requests for elevator service made by means of the device are unique to that device, and requests can be made by the device to cancel or change any request for elevator service which has previously been made. The remote control device may either be verbal, communicating with the user by means of speech synthesis and voice recognition, or the device may utilize switches, displays or other mechanisms for interaction with the user.

REFERENCES:
patent: 4558298 (1985-12-01), Kawai et al.
patent: 4662479 (1987-05-01), Tsuji et al.
patent: 5689094 (1997-11-01), Friedli et al.

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