(under the class definition) Subject matter wherein a calculation operation is performed either simultaneously or sequentially upon at least one analog and at least one digital signal or wherein either the analog or digital signal is involved in a calculation operation on the other signal.
(1) Note. This subclass does not include the mere conversion from one signal format to another, which conversion has no part in the above calculation operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
100+, for electrical digital calculating computers.
800+, for electrical analog calculating computers.