{HEAD ~ This invention} relates in general to computer cards, and more specifically to {TAIL ~ a computer card} which may be selectively powered by either a battery or a host computer into which the card is inserted 
relates specifically to
{ HEAD ~ This invention } relates in general to computer cards , and more specifically to { TAIL ~ a computer card } which may be selectively powered by either a battery or a host computer into which the card is inserted
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH