Appeal No. 1997-1231 Application No. 08/308,985 utilize a well known type of DC-DC converter such a conventional push-pull ‘feed-forward type’ so as to allow the use of inverter ballast arrangement . . . . , as taught by Oda.” 7Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007