公开(公告)号：US06621784B2

公开(公告)日：2003-09-16

申请号：US09858643

申请日：2001-05-17

申请人： Cheng-Yao Liao ,  Ching Ho Huang

发明人： Cheng-Yao Liao ,  Ching Ho Huang

IPC分类号： G11B3302

CPC分类号： G11B17/056 ,  G11B17/047

摘要： A control method for ejecting optical disk from optical disk driver is proposed and applicable to both vertical type and horizontal type optical disk drivers. The control method firstly measures the minimal voltage require by the tray motor to eject a tray with or without an optical disk loaded thereon. Afterward, the disk loading condition of the tray is examined before the ejecting voltage is applied to the tray motor. The minimal voltage determined in above is applied to the tray motor according to the disk loading condition of the tray.

公开(公告)号：US07111308B2

公开(公告)日：2006-09-19

申请号：US10734271

申请日：2003-12-15

申请人： Cheng-Yao Liao ,  Ching Ho Huang

发明人： Cheng-Yao Liao ,  Ching Ho Huang

IPC分类号： G11B17/04

CPC分类号： G11B17/056 ,  G11B17/047

摘要： A protection method for manual ejection operation of optical disk drive is proposed. In the present method, a locked state is set when the optical disk drive is in normal rotation. The load-sensing switch would turn to the on position (stage) when the optical disk is loaded in the tray and in the rotating state. When a manual ejection operation with manual ejection function is activated, the load sensing switch would turn to the off position (stage). A controller senses the stage change from on position to off position. Then, the controller applies a voltage to the tray motor and the position of the load-sensing switch is returned to the on position. Therefore, a locked state is maintained.

摘要翻译： 提出了一种用于光盘驱动器的手动排出操作的保护方法。 在本方法中，当光盘驱动器正常旋转时，设定锁定状态。 当光盘装入托盘并处于旋转状态时，负载感测开关将转到打开位置（级）。 当手动弹出功能手动弹出操作激活时，负载感应开关将转到关闭位置（阶段）。 控制器感测从位置到关闭位置的舞台变化。 然后，控制器向托盘电机施加电压，并且负载感测开关的位置返回到接通位置。 因此，保持锁定状态。

公开(公告)号：US06348747B1

公开(公告)日：2002-02-19

申请号：US09609704

申请日：2000-07-03

申请人： Cheng-Yao Liao ,  Ching-Ho Huang ,  Tzu-Nan Chen ,  Lih-Hwa Kuo

发明人： Cheng-Yao Liao ,  Ching-Ho Huang ,  Tzu-Nan Chen ,  Lih-Hwa Kuo

IPC分类号： H02K704

CPC分类号： F16F15/363 ,  H02K7/04 ,  Y10T464/50

摘要： A method for controlling an auto-balancing system of an optic disk in an optic disk drive is proposed. As the rotary speed of a spindle motor is not faster than a critical speed, a dither signal of high frequency and micro amplitude is added to a command signal for speeding a maximum rotary speed for reducing friction force, and then the balancing mass successfully moves to a position with a reverse phase opposite to an unbalance vector of the optic disk. After the rotary speed of the spindle motor is higher than a critical speed, the dither signal and then speeding the spindle motor is removed and the motor is accelerated to a maximum rotary speed.

摘要翻译： 提出了一种用于控制光盘驱动器中的光盘的自动平衡系统的方法。 由于主轴电动机的旋转速度不高于临界速度，所以将高频和微振幅的抖动信号添加到指令信号中，以加速用于减小摩擦力的最大转速，然后平衡质量块成功移动到 具有与光盘的不平衡矢量相反的反相位置。 主轴电机的转速高于临界转速后，去除抖动信号，然后加速主轴电机，电机加速到最大转速。

公开(公告)号：US20080298216A1

公开(公告)日：2008-12-04

申请号：US12120333

申请日：2008-05-14

申请人： Cheng-Yao Liao

发明人： Cheng-Yao Liao

IPC分类号： G11B7/00 ,  G11B7/125

CPC分类号： G11B23/505 ,  G11B7/0062

摘要： The present invention discloses a method used in an optical disk drive for destroying data of an optical disk. The optical disk is rotated clockwise and the optical head moves one track per revolution. Then, the optical head is controlled so that the spot size of the emitted laser beam projected on the optical disk is about one track pitch wide and the laser beam has a destroy power. Thereafter, the laser beam with the destroy power is adopted to write the optical disk from the inner diameter to the outer diameter.

摘要翻译： 本发明公开了一种在光盘驱动器中用于破坏光盘数据的方法。 光盘顺时针旋转，光头每转一个轨道。 然后，控制光头，使得投射在光盘上的发射激光束的光点尺寸大约为一个光道间距宽，并且激光束具有破坏力。 此后，采用具有破坏功率的激光束将光盘从内径写入外径。

公开(公告)号：US20050155048A1

公开(公告)日：2005-07-14

申请号：US11028544

申请日：2005-01-05

申请人： Ling-Chen Chang ,  Cheng-Yao Liao

发明人： Ling-Chen Chang ,  Cheng-Yao Liao

IPC分类号： G01C9/06 ,  B81B3/00 ,  G11B19/04 ,  H01H1/00 ,  H01H35/02 ,  G11B5/56

CPC分类号： H01H35/02 ,  H01H1/0036

摘要： An apparatus for detecting an electronic product whether being placed vertically or horizontally, includes a fixed support member connected to a constraint base at an anchor point, a cantilever having a first end connected to the fixed support member so as to be approximately parallel with the constraint base, and a counterweight mounted on a second end of the cantilever in order to provide a force thereof. A sensing device converts bending of the cantilever into a circuitry status. When the cantilever extends in a direction approximately perpendicular to a gravity line defined by the counterweight, the sensing device converts the distortion of the cantilever into a first circuitry status. When the cantilever extends in a direction approximately parallel to the gravity line, the sensing device converts the distortion of the cantilever into a second circuitry status different from the first circuitry status.

摘要翻译： 一种用于检测电子产品是垂直放置还是水平放置的装置，包括一固定支撑件，该固定支撑件连接到一固定点上的约束基座，一悬臂具有连接至该固定支承件的第一端，以约束于约束 底座和安装在悬臂的第二端上的配重，以提供其力。 感测装置将悬臂的弯曲转换成电路状态。 当悬臂在大致垂直于由配重限定的重力线的方向上延伸时，感测装置将悬臂的失真转换成第一电路状态。 当悬臂在大致平行于重力线的方向上延伸时，感测装置将悬臂的失真转换成与第一电路状态不同的第二电路状态。

公开(公告)号：US5864529A

公开(公告)日：1999-01-26

申请号：US844783

申请日：1997-04-22

申请人： Cheng-Yao Liao ,  Hwei-Chu Huang ,  Jenn-Shing Tsai

发明人： Cheng-Yao Liao ,  Hwei-Chu Huang ,  Jenn-Shing Tsai

IPC分类号： G11B17/03 ,  G11B17/04 ,  G11B33/02

CPC分类号： G11B17/0473

摘要： A tray for loading and ejecting a disk into and out of a disk drive includes a step wall structure that defines a positioning area for receiving the disk and a clamping arrangement used to hold the disk during loading and unloading when the disk drive is in a vertical position. The clamping arrangement is made up of a clamping device biased by an elastic member so as to apply a radial force to the disk and urge the disk against the step wall. The clamping device includes a flexible mortise slot that engages a pillar extending from the tray to latch the clamping device and thereby disable the clamping device when the disk drive is horizontally positioned.

摘要翻译： 用于将磁盘装入和卸出磁盘驱动器的托盘包括步骤壁结构，其限定用于接收磁盘的定位区域和用于在磁盘驱动器处于垂直方向的装载和卸载期间保持磁盘的夹紧装置 位置。 夹紧装置由夹持装置构成，该夹紧装置由弹性构件偏压，以便向盘施加径向力并将盘推向台阶壁。 夹紧装置包括柔性榫槽，其接合从托盘延伸的柱，以锁定夹紧装置，从而当盘驱动器水平定位时禁止夹紧装置。

公开(公告)号：US06915527B2

公开(公告)日：2005-07-05

申请号：US10242782

申请日：2002-09-13

申请人： Cheng-Yao Liao ,  Tzu-Nan Chen

发明人： Cheng-Yao Liao ,  Tzu-Nan Chen

IPC分类号： G11B19/20

CPC分类号： G11B19/2027 ,  G11B19/2009

摘要： An auto-balancing apparatus for optical disk drives mainly includes a housing for holding a balance weight and a plurality of clamp mechanisms movable radially through the perimeter of the housing. The clamp mechanisms are engaged with a spindle of a spindle motor or the housing through elastic elements. When the spindle motor is not rotating, the balance weight is anchored at a desired position by the clamp mechanisms because of the elastic force of the elastic elements. When operating at high rotation speeds, the engagement force of the elastic elements exerted on the clamp mechanisms is smaller than the centrifugal force, and the balance weight may be moved freely to automatically reach a balanced condition. When operating at low rotation speeds, the server system drives the spindle motor to rotate at speeds faster than the critical rotation speed to reach a balanced condition, then slows down the rotation speed to allow the engagement force exerted on the clamp mechanisms to be greater than the centrifugal force and anchor the balance weight. Thus the auto-balancing apparatus can achieve a balance effect at low rotation speeds.

摘要翻译： 用于光盘驱动器的自动平衡装置主要包括用于保持平衡重的壳体和可径向移动通过壳体的周边的多个夹紧机构。 夹紧机构通过弹性元件与主轴电动机的主轴或壳体接合。 当主轴电动机不旋转时，由于弹性元件的弹性力，平衡重被夹紧机构固定在期望的位置上。 当以高转速工作时，施加在夹紧机构上的弹性元件的接合力小于离心力，平衡重可自由移动以自动达到平衡状态。 当以低转速操作时，服务器系统驱动主轴电机以比临界转速更快的速度旋转以达到平衡状态，然后减慢转速，使得施加在夹紧机构上的接合力大于 离心力和锚定平衡重。 因此，自动平衡装置可以在低转速下实现平衡效果。

公开(公告)号：US06430144B1

公开(公告)日：2002-08-06

申请号：US09571277

申请日：2000-05-16

申请人： Cheng-Yao Liao ,  Tzu-Nan Chen ,  Lih-Hwa Kuo

发明人： Cheng-Yao Liao ,  Tzu-Nan Chen ,  Lih-Hwa Kuo

IPC分类号： G11B1920

CPC分类号： G11B19/2009 ,  F16F15/363 ,  G11B19/2027 ,  Y10T74/2111

摘要： The present invention proposes a control method of the auto-balancing system of an optical disk drive. The present invention adds a procedure of constant rotation speed in the acceleration process of the spindle motor when the rotation speed is below a critical speed. When the rotation speed of the spindle motor is below the critical speed, the position of added mass will be situated at a position at the same side of the unbalance vector of the original optical disk. Thereby the balancing mass will remain at the position of worst balancing effect in the procedure of constant rotation speed. After the procedure of constant rotation speed, the spindle motor will be accelerated to pass the critical speed of the system by the largest torque. Because of inertial effect, when the rotation speed of the spindle motor exceeds the critical speed, the balancing mass will leave from the original position of worst balancing effect and smoothly move to an opposite position of the unbalance vector of the original optical disk. Best balancing effect can thus be achieved.

摘要翻译： 本发明提出了一种光盘驱动器的自动平衡系统的控制方法。 本发明在旋转速度低于临界转速时，在主轴电动机的加速过程中增加恒定转速的过程。 当主轴电机的转速低于临界转速时，相加质量的位置将位于原始光盘的不平衡矢量的同一侧。 因此，在恒定转速的过程中，平衡质量将保持在最差的平衡效果的位置。 转速恒定后，主轴电机将通过最大扭矩加速使系统的临界转速达到最大值。 由于惯性效应，当主轴电机的转速超过临界速度时，平衡质量将从原始位置离开最差的平衡效果，并平滑地移动到原始光盘的不平衡矢量的相对位置。 因此可以实现最佳平衡效果。

公开(公告)号：US06309592B1

公开(公告)日：2001-10-30

申请号：US09543848

申请日：2000-04-05

申请人： Ta-Hsiang Wang ,  Cheng-Yao Liao ,  Jui-Nan Chuang ,  Tzu-Nan Chen

发明人： Ta-Hsiang Wang ,  Cheng-Yao Liao ,  Jui-Nan Chuang ,  Tzu-Nan Chen

IPC分类号： B22F100

CPC分类号： B22F3/225 ,  B22F5/00 ,  B22F5/10 ,  B22F2003/166 ,  B22F2998/00 ,  B22F2998/10 ,  B22F1/0096 ,  B22F3/1021

摘要： A method for manufacturing the roller carrier of a vibration balance device, the roller carrier is installed with at least one round track around a rotary axis thereof for carrying a plurality of rollers; characterized in that: the roller carrier is made of alloy powder and made by a process of metal powder metallurgy. The material of the powder is SUS-316L or other proper alloy powder. The manufacturing process of the metal powder metallurgy includes the steps of: feeding material, compacting, sintering, and sizing, or other manufacturing process of the metal powder metallurgy (MIM) can be used, which includes the steps of feeding material, pelletizing, injection molding, debinding, sintering, and sizing. The roller carrier from aforementioned processes uses less materials, can be mass-produced, has a precise dimension, is light weighted, has a smooth surface and has a high surface hardness. In other word, the roller carrier made from the manufacturing process of metal powder metallurgy not only has preferred physical properties, such as good hardness, smoothness and precision, but also can reduce the vibration from the eccentricity of rotation. Moreover, the manufacturing cost can be reduced greatly and yield is increased. Therefore, the present invention is economical.

摘要翻译： 一种用于制造振动平衡装置的滚子载具的方法，所述滚轮架设有围绕其旋转轴线的至少一个圆形轨道，用于承载多个滚子; 其特征在于：辊式载体由合金粉末制成，并通过金属粉末冶金方法制成。 粉末的材料为SUS-316L或其他合适的合金粉末。 金属粉末冶金的制造方法包括以下步骤：可以使用金属粉末冶金（MIM）的进料，压实，烧结和上浆或其他制造工艺，其包括进料，造粒，注射 成型，脱脂，烧结和上浆。 上述方法的辊架使用较少的材料，可批量生产，具有精确的尺寸，重量轻，表面光滑，表面硬度高。 换句话说，由金属粉末冶金的制造工艺制成的辊架不仅具有优良的物理性能，如硬度好，平滑度和精度好，还可以减少旋转偏心的振动。 此外，制造成本可以大大降低，产量提高。 因此，本发明是经济的。

公开(公告)号：US06299823B1

公开(公告)日：2001-10-09

申请号：US09542833

申请日：2000-04-04

申请人： Lih-Hwa Kuo ,  Ta-Hsiang Wang ,  Cheng-Yao Liao

发明人： Lih-Hwa Kuo ,  Ta-Hsiang Wang ,  Cheng-Yao Liao

IPC分类号： B29C4500

CPC分类号： C04B35/111

摘要： A method for manufacturing the roller carrier of a vibration balance device, the roller carrier is installed with at least one round track around a rotary axis thereof for carrying a plurality of rollers; characterized in that: the roller carrier is made of ceramic powder and made by a process of ceramic powder metallurgy. The material of the powder is A92A aluminum oxide or zirconium oxide, or other proper metal oxide. The manufacturing process of the ceramic powder metallurgy includes the steps of: feeding material, compacting, sintering, and polishing, or other manufacturing process of the ceramic powder metallurgy can be used, which includes the steps of feeding material, pelletizing, injection molding, debinding, sintering, and polishing. The roller carrier from aforementioned processes uses less materials, can be mass-produced, has a precise dimension, is light weighted, has a smooth surface and has a high surface hardness. In other word, the roller carrier made from the manufacturing process of ceramic powder metallurgy not only has preferred physical properties, such as good hardness, smoothness and precision, but also can reduce the vibration from the eccentricity of rotation and prolong the lifetime. Moreover, the manufacturing cost can be reduced greatly and yield is increased. Therefore, the present invention is economical.

摘要翻译： 一种用于制造振动平衡装置的滚子载具的方法，所述滚轮架设有围绕其旋转轴线的至少一个圆形轨道，用于承载多个滚子; 其特征在于：辊式载体由陶瓷粉末制成，并通过陶瓷粉末冶金法制成。 粉末的材料是A92A氧化铝或氧化锆，或其他合适的金属氧化物。 陶瓷粉末冶金的制造工艺包括以下步骤：可以使用进料，压实，烧结和抛光，或者可以使用陶瓷粉末冶金的其他制造工艺，其包括进料，造粒，注塑，脱脂步骤 ，烧结和抛光。 上述方法的辊架使用较少的材料，可批量生产，具有精确的尺寸，重量轻，表面光滑，表面硬度高。 换句话说，由陶瓷粉末冶金的制造工艺制成的辊架不仅具有优良的物理性能，如硬度好，平滑度和精度高，还可以减少旋转偏心的振动，延长使用寿命。 此外，制造成本可以大大降低，产量提高。 因此，本发明是经济的。