Arrival time determination for passengers boarding an elevator c

Details Arrival time determination for passengers boarding an elevator c Arrival time determination for passengers boarding an elevator c

1993-03-30

1995-05-02

Dougherty, Thomas M.

Elevator, industrial lift truck, or stationary lift for vehicle

With monitoring, signalling, and indicating means

Monitors passengers

187382, B66B 118

Patent

active

054111188

ABSTRACT:
The present invention is directed to determining an arrival time for each of the passengers boarding an elevator car. Where the elevator car stops at a floor in response to a hall call request, the arrival time of the passengers which boarded the elevator car is preferably determined based the time period between when the hall call was registered and when the elevator car door closed. Where the elevator car stops at a floor in response to a car call registered within the elevator, the arrival time of the passengers which boarded the elevator car is preferably determined based on the time period between when the elevator stopped at the floor and when the elevator car door closed. Alternatively, the time period between when the elevator car door opened and when the elevator car door closed can be used. In the preferred embodiment, the first passenger is assumed to have an arrival time corresponding to the beginning of the time period. If more than one passenger boarded the elevator, the passengers are assumed to have arrived in a distributed fashion over this time period.

REFERENCES:
patent: 4363381 (1982-12-01), Bittar
patent: 4760896 (1988-08-01), Yamaguchi
patent: 4799243 (1989-01-01), Zepke
patent: 4802557 (1989-02-01), Umeda et al.
patent: 4838384 (1989-06-01), Thangavelu
patent: 4846311 (1989-07-01), Thangavelu
patent: 4947965 (1990-08-01), Kuzunuki et al.
patent: 5022497 (1991-06-01), Thangavelu
patent: 5024295 (1991-06-01), Thangavelu
patent: 5202540 (1993-04-01), Auer et al.

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