An apparatus that connects to a standard PCMCIA interface of a microprocessor-based computer which typically communicates with only a single external device through the interface enables the computer to communicate with multiple external devices through the one PCMCIA interface. The apparatus operates...http://www.google.de/patents/US5537558?utm_source=gb-gplus-sharePatent US5537558 - Apparatus and method for communicating multiple devices through one PCMCIA interface
