1results about How to "Avoid repeated calls" patented technology

An elevator call control panel includes a call button leading to the basement and a call button for downward movement. The call button leading to the basement and the call button for downward movement are located on the outside of the elevator on floors 2 and above, while the call button for downward movement is located on the outside of the elevator on the first floor. This invention saves users time when changing elevators, resulting in a shorter overall time and making it more convenient for users to reach the basement.