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    • 2. 发明授权
    • Method for discriminating operation type of a disk device
    • 用于识别盘装置的操作类型的方法
    • US07532552B2
    • 2009-05-12
    • US11279568
    • 2006-04-13
    • Shih-Jung Huang
    • Shih-Jung Huang
    • G11B5/58
    • G11B7/22G11B7/0925
    • A method for discriminating the operation type of a disk device uses an optical head carrying an objective lens. The gravity doesn't affect the control force of the optical head in the horizontal operation type, reduces the control force in a vertical operation type, and increases the control force in inverse operation type. Control forces based on various operation types forms different motion features of the optical head to discriminate the operation type. Damping characteristic parameters of each operation type of the optical head are previously determined by test first. The Control force is transported to the optical head, and the timer is reset. The displacement of the optical head is continuously detected till reaching a predetermined situation. The time of timer is read to compare with the threshold of each operation type for distinguishing the operation type.
    • 用于识别盘装置的操作类型的方法使用携带物镜的光学头。 重力不影响水平操作型光头的控制力,降低了垂直操作型的控制力,增加了反向操作型的控制力。 基于各种操作类型的控制力形成光头的不同运动特征以区分操作类型。 预先通过测试首先确定光头的每种操作类型的阻尼特性参数。 控制力传输到光头,定时器复位。 连续检测光头的位移,直至达到预定的情况。 读取定时器的时间与每种操作类型的阈值进行比较,以区分操作类型。
    • 5. 发明申请
    • Writing method for optical disk drive
    • 光盘驱动器的写入方式
    • US20090003158A1
    • 2009-01-01
    • US12003987
    • 2008-01-04
    • Miller YangShih-Jung Huang
    • Miller YangShih-Jung Huang
    • G11B5/09
    • G11B20/1879G11B7/00458G11B19/041G11B20/1883G11B2020/1099G11B2020/183G11B2020/1893G11B2220/20G11B2220/2575
    • A writing method for an optical disk drive includes the following steps. First, a write command and to-be-written data are received from a host. Next, a speed down flag is checked. If the speed down flag is true, a writing speed is decreased; or otherwise the to-be-written data is written into a data area. Next, the written data is read, and accuracy of the written data is verified. If the written data is not accurate, accurate data is re-written into a spare area, and the number of times of re-writing is counted and checked. If the number of times of re-writing is greater than a predetermined threshold value, the speed down flag is changed to true; or otherwise the procedure goes back to the data-writing step to repeat the above-mentioned steps. If the written data is read and verified as accurate, a write-end status is reported back to the host.
    • 光盘驱动器的写入方法包括以下步骤。 首先,从主机接收写入命令和被写入的数据。 接下来,检查减速标志。 如果减速标志为真,则写入速度降低; 否则将被写入的数据被写入数据区。 接下来,读取写入的数据,并且验证写入的数据的准确性。 如果写入的数据不准确,则将准确的数据重新写入备用区,并对重写次数进行计数和检查。 如果再写入次数大于预定阈值,则降档标志变为真; 或者否则该过程返回到数据写入步骤以重复上述步骤。 如果读取和验证书面数据的准确性,写入状态将被报告回主机。