IMPROVEMENT TO A SOUND SYSTEM FOR AN ELEVATOR AND METHOD FOR IMPLEMENTING A SOUND SYSTEM FOR AN ELEVATOR

摘要

Improvement to a sound system for an elevator system and method for implementing the sound system for an elevator. The elevator sound system is improved by replacing at least one loudspeaker to be used in the sound system with a plate-like electrostatic actuator producing a directed sound field. The patent application also contains an independent claim for a method for implementing a sound system for an elevator.