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1. 发明专利

JPS63244361A DISK ROTATING AND DRIVING DEVICE 失效
公开(公告)号：JPS63244361A
公开(公告)日：1988-10-11
申请号：JP7700387
申请日：1987-03-30
申请人： MITSUBISHI ELECTRIC CORP
发明人： SHINODA YUKIO , TATSUTANI TOSHIROU
IPC分类号： G11B17/028
摘要： PURPOSE:To reduce the external force exerted on a recording medium and to reduce its fatigue by supporting a driving pin fitted to a window hole of a rotary plate on an arm plate provided on an attracting plate driven by a rotary shaft and giving the force in the radial direction to a rotary plate a the driving pin being brought into contact with an elastic body when moved ore than specified distance. CONSTITUTION:The arm plate 5 is attracted to the attracting plate 11 consisting of permanent magnet and driven by the rotary shaft at the time when no rotary plate exists and there is room by a gap A between the arm plate 5 and the tip of an elastic body 8. Since the elastic body 8 does not work at the time when the driving in 7 is pushed down by the rotary plate, the force to push down may be small and the external force exerted on the recording medium is reduced. When the attracting plate 11 is then rotated and the driving pin 7 is brought into contact with the inner edge of the window hole of the rotary plate, the elastic body 8 and arm plate 5 are brought into contact to give the force in the radial direction to the rotary plate. The external force exerted on the recording medium is thus reduced and its fatigue can be reduced.

2. 发明专利

JPS63240346A TERMINAL DEVICE FOR MOTOR 失效
公开(公告)号：JPS63240346A
公开(公告)日：1988-10-06
申请号：JP7227287
申请日：1987-03-26
申请人： MITSUBISHI ELECTRIC CORP
发明人： SHIMIZU KAZUO , TATSUTANI TOSHIROU , ARAI JUNICHI , KIEDA KOUKI
IPC分类号： H02K5/22
摘要： PURPOSE:To ward off an adverse effect of magnetic flux, by arranging a projected section of a terminal in the direction vertical to the projected direction of a salient pole and by forming a hook there. CONSTITUTION:An end of a terminal 25 is connected to a substrate 11, while the other end is projected between the substrate 11 and a salient pole 14 and arranged in the direction vertical to the projected direction of salient pole 14. A hook 25a is formed to hold a terminal line 17 and is jointed to it by pressurizing and energizing with electrodes 18 and 19. In a motor terminal device, the electrodes 18 and 19 are arranged in the direction vertical to the surface of the terminal 25 and the hook 25a is pressurized and energized so that the conjunction work can be performed without making a hole in the substrate 11. At this time, as the flux generating around electrodes 18 and 19 will match with the winding direction of a stator coil 15 and will not cross it, the induced voltage to the coil 15 is so low that no damage will be incurred to the electronic parts of the substrate 11.

3. 发明专利

JPS63237368A TERMINAL 失效
公开(公告)号：JPS63237368A
公开(公告)日：1988-10-03
申请号：JP7227387
申请日：1987-03-26
申请人： MITSUBISHI ELECTRIC CORP
发明人： SHIMIZU KAZUO , TATSUTANI TOSHIROU , ARAI JUNICHI , KIEDA KOUKI
IPC分类号： H01R4/02 , H01R11/11 , H01R11/12

4. 发明专利

JPS63244362A DISK ROTATION AND DRIVING DEVICE 失效
公开(公告)号：JPS63244362A
公开(公告)日：1988-10-11
申请号：JP7700487
申请日：1987-03-30
申请人： MITSUBISHI ELECTRIC CORP
发明人： SHINODA YUKIO , TATSUTANI TOSHIROU
IPC分类号： G11B17/028
摘要： PURPOSE:To reduce the displacement of a driving pin at its projection time and to improve the positioning accuracy of a recording medium by forming a projection regulating the displacement of a driving pin in its projection direction on the opposing face to the cradle of an arm plate or the head part of the pin. CONSTITUTION:The projection 5a regulating the displacement in the projecting direction of a driving pin 7 is formed on the opposing face to a cradle 3 of an arm plate 5. An attracting plate 12 is rotated and comes at the position corresponding to a window hole of a rotary plate, then, the arm plate 5 is sucked to the attracting plate 12 and the driving pin 7 is inserted into the window hole. At this time, the arm plate 5 is located at the position shown by continuous line and the projection 5a is abutted to the back face of the cradle 3, hence a gap B of the supporting part of the arm 5 is small. The slippage by the gap B of the arm plate 5 is thus reduced, the displacement of the driving pin 7 is reduced as well and the positioning accuracy of the recording medium is increased.

5. 发明专利

JPS61147756A FREQUENCY GENERATOR 失效
公开(公告)号：JPS61147756A
公开(公告)日：1986-07-05
申请号：JP27016584
申请日：1984-12-21
申请人： MITSUBISHI ELECTRIC CORP
发明人： TATSUTANI TOSHIROU , TANAKA HIROSHI , TAMURA HIDEYO
IPC分类号： H02K21/24 , H02K29/14
摘要： PURPOSE:To reduce the cost of a frequency generator and to enhance the reliability by forming many projections on the end perpendicular to a drive magnetic field of a drive permanent magnet for the generator in the axial direction of a rotational shaft. CONSTITUTION:A transistor motor supports a rotational shaft 24 through bearings 22, 23 to a bracket 21, and secures a drive permanent magnet 27 through a spacer 25 and a magnetic rotor 26. Projections 28 are formed on the end of the magnet 27, a generating coil 30 is opposed through the prescribed air gap on the printed board 29 thereto, and secured to a magnetic frame 31. A magnetic circuit is formed through the magnet 27, projections 28, magnetic frame 31 and the magnet 27. Thus, dense and rough magnetic fluxes are generated at the projections 28 by magnetizing the magnet 27, and when the magnet 27 is rotated, the rough and dense magnetic fluxes cross the coil 30 to generate a frequency proportional to the rotating speed.

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