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    • 1. 发明授权
    • Tape drive mechanism
    • 胶带驱动机构
    • US5206771A
    • 1993-04-27
    • US571641
    • 1990-08-30
    • Daiichirou KatouTamotsu MitsuyasuKazuo AbeTakuji SekiguchiHitoshi YanagisawaTsuneharu HashizumeToshihiko OkinaMitsutaka MiyashitaMasaki Gotoh
    • Daiichirou KatouTamotsu MitsuyasuKazuo AbeTakuji SekiguchiHitoshi YanagisawaTsuneharu HashizumeToshihiko OkinaMitsutaka MiyashitaMasaki Gotoh
    • G11B15/32G11B15/60G11B15/61
    • G11B15/32G11B15/602G11B15/61
    • A tape drive mechanism for a video tape recorder and an audio tape recorder. The tape drive mechanism automatically corrects the position of tape in the width-wise direction thereof without mechanically restricting the edge of tape. Sensors (8) and (8) on a tape path detect a dislocation of the tape (7) from a reference running position that may develop in the width-wise direction of the tape (7), a tape guide post (1) for attracting the tape (7) is moved in the width-wise direction of the tape, or inclination of a tape guide post (41) is changed to move the tape (7) in such width-wise direction by means of actuators (2), (42) and (62) that give corresponding displacement based on the values detected by the sensors (8) and (8), or the reel plate (57) is moved in the direction of width of tape to move the tape (7) together with the reel (24). The tape (7) having a small thickness is prevented against vertical movement on the tape path and is permitted to run stably without damaging the edges of the tape.
    • PCT No.PCT / JP89 / 00234 Sec。 371日期1990年8月30日 102(e)1990年8月30日PCT PCT 1989年3月3日PCT。 出版物WO89 / 08309 日期:1989年9月8日。一种用于录像机和录音机的磁带机构。 磁带驱动机构自动校正磁带在其宽度方向上的位置,而不用机械地限制磁带的边缘。 磁带路径上的传感器(8)和(8)检测磁带(7)从可能在磁带(7)的宽度方向上展开的参考运行位置的位移,用于 吸引带(7)沿着带的宽度方向移动,或者改变带引导柱(41)的倾斜,以通过致动器(2)在宽度方向上移动带(7) ,(42)和(62),其基于由传感器(8)和(8)检测到的值给出相应的位移,或者卷轴板(57)沿着带的宽度方向移动以移动带(7 )与卷轴(24)一起。 防止具有小厚度的带(7)在带路径上垂直移动并被允许稳定地运行而不损坏带的边缘。