23. A smart card, comprising:
a microprocessor and associated memory; and
a plurality of contacts for transferring data to and from said microprocessor and memory, said plurality of contacts comprising a predefined set of contacts associated with an operating protocol and including a first data input/output contact for connection to a data input/output terminal of a first peripheral device which does not include a separate microprocessor for processing data that is transferred to and from said microprocessor via said plurality of contacts and whose operations are controlled by said microprocessor, and at least one other data input/output contact for connection to a data input/output terminal of a second peripheral device which does not include a separate microprocessor for processing data that is transferred to and from said microprocessor via said plurality of contacts.
United States Patent 6,199,128 Inventors: Sarat; Jean-Marc (Belmont, CA)