发明授权
US5604652A Tape speed control apparatus using rotation speed ratio of first and
second tape reels
失效
卷带速度控制装置，使用第一和第二卷轴的转速比
- 专利标题： Tape speed control apparatus using rotation speed ratio of first and second tape reels
- 专利标题（中）： 卷带速度控制装置，使用第一和第二卷轴的转速比
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申请号： US448975申请日： 1995-05-24
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公开(公告)号： US5604652A公开(公告)日： 1997-02-18
- 发明人: Masafumi Nishida , Osamu Yamaguchi , Souichirou Fujioka , Hiroshi Okamoto , Yoshiho Gotoh
- 申请人： Masafumi Nishida , Osamu Yamaguchi , Souichirou Fujioka , Hiroshi Okamoto , Yoshiho Gotoh
- 申请人地址： JPX Osaka
- 专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX3-230148 19910910; JPX3-243072 19910924; JPX3-243078 19910924; JPX4-037641 19920225
- 主分类号： G11B15/43
- IPC分类号： G11B15/43 ; G11B15/46 ; G11B15/54
摘要：
A tape speed command signal is differentiated, and in a multiplier, the torque necessary for acceleration or deceleration of a take-up reel motor is calculated in accordance with the moment of inertia of a take-up reel and a winding radius of the tape on the take-up reel. The calculated result is added to a torque command produced by a feedback control system.
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