Revolving door for e.g. store, has display units that are arranged on plates to respectively display welcome and goodbye to person entering and leaving shop

摘要

The door has plates (3-5), encoder (6) whose output is connected with input of control block (7). The output of block is connected to input of display units. The encoder is provided to continuously determine angular position of door relative to wall in which door is installed and provide data to control block. The display units arranged on plates are controlled by control block which provides command for demonstration of corresponding representation. The display units arranged on plates (4,5) are provided to respectively display welcome and goodbye to person entering and leaving shop.