Elevator display system using composite images to display car position

  • US 5,485,897 A
  • Filed: 02/15/1995
  • Issued: 01/23/1996
  • Est. Priority Date: 11/24/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. An elevator system having an elevator operation control unit for controlling the upward or downward movement of an elevator car and an image display unit provided inside the car, the elevator system comprising an image reproduction unit for feeding a main image signal for forming a background image to the image display unit, a superimposition image production circuit for producing a subimage signal for forming a floor indicating image based on a floor signal from the elevator operation control unit and a direction indicating image showing whether the car is in an upward or downward movement based upon an elevator operation data obtained from the operation control unit, and an image composition unit 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 image display unit.

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