| 摘要 |
1,158,225. Play-back of card records. BELL & HOWELL CO. 6 Oct., 1967 [31 Oct., 1966], No. 61416/68. Divided out of 1,158,224. Heading G5R. A rectangular card 48 carrying a magnetic or optical sound track 33 is fed by a roller 20 along a feed path 12, 14 past a play-back head 28, and the swinging of guide rollers 62 across the feed path facilitates the use of circular cards (Figs. 4, 5, 6). The cards may have interruptions in their sound track portions as disclosed in Specification 1,158,224. |
