Elevator display system using composite images to display car position
US5485897A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Feb 15, 1995 |
| Grant date | Jan 23, 1996 |
| Priority date | — |
| Expiry date | Feb 15, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B3/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.