(under subclass 136) Subject matter wherein the plural magnets are of diverse magnetic characteristics, as for example, electromagnet and permanent magnet or comprise diverse type windings.
SEE OR SEARCH THIS CLASS, SUBCLASS:
159+, for plural independent switches each of which may utilize one or more windings.
179, for magnetic switches in general utilizing plural diverse type magnets.
229+, for magnetomotive devices having permanent magnet and electromagnet structure.