Wireless two-in-one control unit for use with a software-controlled, laptop computer-based presentation, has a transmitter in the form of a PCMCIA card with a recess in the card in which a receiver is stored

摘要

Wireless two-in-one control unit for use with a laptop computer based presentation or similar, has a PCMCIA format. The transmitter part of the control unit connects to the host laptop via the PCMCIA interface, while the receiver can be removed from the card and used during the presentation.