Presentation device for e.g. meeting, has software-processing device that detects current presentation image, where presentation information that is accepted into processing device is distributed over wireless-LAN-access point-unit

摘要

The device has a connection device (10) that is provided between a presenter-computer (2) and a projector (3). The connection device has an analog or digital video signal from the presenter-computer as an input signal (20), and exhibits two output signals (30). The input signal is applied to a software-processing device, which detects a current presentation image in comparison with the preceding presentation image. Presentation information that is accepted into the processing device is distributed to public over a wireless-LAN (WLAN)-access point-unit of the connection device.