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    • 11. 发明授权
    • Magnetic recording and reproducing system having an automatic tape drive
control function
    • 具有自动磁带驱动控制功能的磁记录和再现系统
    • US3932889A
    • 1976-01-13
    • US409096
    • 1973-10-24
    • Kiyoshi TakedaToshiomi Yabu
    • Kiyoshi TakedaToshiomi Yabu
    • G11B15/02G11B15/08G11B15/67G11B15/18G11B15/66
    • G11B15/02G11B15/08G11B15/67
    • A magnetic recording and reproducing system using a one-reel catridge tape, which is provided at its leading end with a leader tape wider and more rigid than the magnetic tape and wound on a supply reel accommodated in a protective case, the tape being automatically loaded with the leader tape guided to a take-up reel through a leader tape guide having a slit extending in the direction of tape travel and wider than the magnetic tape but narrower than the leader tape. The system is provided with an automatic tape drive control circuit for effecting sequential control of the tape drive in various timings such as when commencing the loading of the tape, at the end of the tape loading, upon detection of the trailing end of the magnetic tape and at the end of the rewinding. Further, there is provided means for preventing the malfunctioning of the system in case trouble occurs in the tape progress detection means.
    • 一种磁记录和再现系统,其使用单线磁带,其前端设置有比磁带更宽且更刚性的引导带,并缠绕在容纳在保护壳中的供带盘上,磁带被自动加载 引导带通过具有沿磁带行进方向延伸的狭缝的引导带引导件引导到卷带盘,并且比磁带宽,但比引导带窄。 该系统设置有自动磁带驱动控制电路,用于以各种定时来执行磁带驱动器的顺序控制,例如当磁带加载结束时,在检测到磁带的后端时开始装入磁带 并在倒卷的尽头。 此外,提供了用于在带进度检测装置中发生故障的情况下防止系统故障的装置。