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    • 2. 发明公开
    • Disc processing device and control method for a disc processing device
    • Plattenverarbeitungsvorrichtung und Steuerverfahrenfüreine Plattenverarbeitungsvorrichtung
    • EP2117005A1
    • 2009-11-11
    • EP09005592.2
    • 2009-04-21
    • Seiko Epson Corporation
    • Maeshima, HidetoshiYanagisawa, ToshihikoOtsuka, JunichiKawamori, Takashi
    • G11B19/10G11B7/26G11B7/28G11B17/00
    • G11B19/10G11B7/28G11B17/08G11B17/225G11B17/228
    • The effect of detection errors when detecting if a disc recording medium is in a disc drive is eliminated. A control unit (17) detects if an optical disc (11) was supplied to an optical disc drive (13) based on the operation of the transportation unit (16), causes the optical disc drive (13) to detect if an optical disc (11) is inside the disc drive, and compares the results of these detection operations. If the results do not match, the control unit (17) causes the optical disc drive (13) to repeat the operation discharging and loading the optical disc (11), and causes the optical disc drive (13) to again detect if an optical disc (11) is present after the discharge and loading operation. The control unit (17) then determines if the new detection result from the optical disc drive (13) and the detection result related to supplying the optical disc (11) to the optical disc drive (13) match, and based on the result of this evaluation detects an optical disc drive (13) operating error.
    • 当检测到盘记录介质是否在盘驱动器中时检测误差的影响被消除。 控制单元(17)基于运输单元(16)的操作来检测是否将光盘(11)提供给光盘驱动器(13),使得光盘驱动器(13)检测光盘 (11)在盘驱动器内,并且比较这些检测操作的结果。 如果结果不匹配,则控制单元(17)使光盘驱动器(13)重复放电和加载光盘(11)的操作,并使光盘驱动器(13)再次检测是否有光学 盘(11)在放电和装载操作之后存在。 然后,控制单元(17)确定来自光盘驱动器(13)的新的检测结果和与将光盘(11)提供给光盘驱动器(13)相关的检测结果是否匹配,并且基于 该评估检测光盘驱动器(13)的操作错误。
    • 8. 发明公开
    • DATA CONVERSION APPARATUS WITH SAFETY CIRCUIT
    • DATENUMSETZUNGSGERÄTMIT SICHERHEITSKREIS
    • EP1037208A1
    • 2000-09-20
    • EP99970201.2
    • 1999-10-01
    • TEAC CORPORATION
    • MINASE, MinoruNIINUMA, SusumuWATANABE, Hiroomi
    • G11B19/04G11B19/10G11B17/04
    • G11B17/056G11B19/04G11B19/10
    • A CD-ROM drive (2) is disclosed which has a safety circuit (40). The safety circuit (40) includes a NOR gate (51) having one input connected to a disk motor drive control signal terminal (48) of a system controller (31), and another input connected to the output ( P 1 ) of a sensor (13). The system controller (31) puts out a signal that goes low for activating a motor (18) and high for inactivating the same. The motor (18) is set into rotation when the NOR gate (51) is high, and out of rotation when the NOR gate is low. When the sensor (13) is high, however, the NOR gate (51) goes low, stopping the motor (18), regardless of the other input to the NOR gate from the system controller (31).
    • 公开了一种具有安全电路(40)的CD-ROM驱动器(2)。 安全电路(40)包括NOR门(51),其具有连接到系统控制器(31)的盘马达驱动控制信号端子(48)的一个输入端,以及连接到传感器(P1)的输出端 13)。 系统控制器(31)输出用于激活电动机(18)变低的信号,并且使信号失效的信号为高电平。 当NOR门(51)为高电平时,马达(18)被置于旋转状态,当NOR门低时,马达(18)转动。 然而,当传感器(13)为高电平时,NOR门(51)变低,停止电动机(18),而与系统控制器(31)的NOR门的其他输入无关。