Method for distributing display information to a remote display device, a corresponding display device, a system for distributing display information and a signal comprising display information

摘要

A subject of the invention is to ensure that a remote display device is only useable for a specific application like advertising or public information. According to the invention, this object is solved by a method for distributing display information to a remote display device, comprising the steps of:
- providing (100) the remote display device with a signal comprising an activation key and the display information,
- providing (200) the control unit of the remote display device with a locking function using a control key, and
- comparing (300) the activation key to the control key and authorizing (400) the displaying of the display information by deactivating the locking function if the activation key is fitting with the control key.