| 摘要 |
1,176,249. Magnetic transducer heads. EXCELL-O CORP. 22 Sept., 1967 [23 Sept., 1966], No. 43267/67. Heading G5R. An erase head 22 produces one or more guard bands alongside the track produced by a recording head 14, the erasing flux being transverse to the longitudinal direction of the track. |
