Elevator display system using composite images to display car po

Details Elevator display system using composite images to display car po Elevator display system using composite images to display car po

1995-02-15

1996-01-23

Wong, Peter S.

Elevator, industrial lift truck, or stationary lift for vehicle

With visual indicator of movement of load support

Indicates existing location

187397, 187395, B66B 302

Patent

active

054858976

ABSTRACT:
An elevator sysem having an elevator operation control unit 2 for controlling the upward or downward movement of an elevator car 6 and an image display unit 5 provided inside the car. The system comprises an image reproduction unit 1 for feeding a main image signal for forming a background image to the image display unit 5, a superimposition image production circuit 3 for producing a subimage signal for forming a floor indicating image based on a floor signal from the control unit 3, and an image composition unit 4 for combining the main image signal and the subimage signal into a composite image signal to superimpose the floor indicating image on the background image and feeding the composite image signal to the display unit 5.

REFERENCES:
patent: 3891792 (1975-06-01), Kimura
patent: 4577177 (1986-03-01), Marubashi
patent: 4623869 (1986-11-01), Marubashi
patent: 4995479 (1991-02-01), Fujiwara et al.
patent: 5042620 (1991-08-01), Yoenda et al.
patent: 5194702 (1993-03-01), Swonger et al.

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