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    • 1. 发明授权
    • Disk drive device
    • 磁盘驱动器
    • US06937417B2
    • 2005-08-30
    • US09839538
    • 2001-04-23
    • Koichi NagakiKazunori MatsuoKeiichi YamauchiMichihiro KanekoTomo Watanabe
    • Koichi NagakiKazunori MatsuoKeiichi YamauchiMichihiro KanekoTomo Watanabe
    • G11B19/08G11B21/12G11B31/00G11B21/02
    • G11B19/08G11B21/12G11B31/00
    • A disk drive device in which emergency unloading at the start of the engine is prevented, a head may have a prolonged life and improved reliability as an HDD is achieved. A disk drive device is driven or the movement of a magnetic head is allowed after an engine start in a vehicle is detected by an engine start detecting part, so that emergency unloading can be prevented at the start of the engine. In order to detect the engine start, voltage values on four power supply lines for a vehicle power supply device are monitored or the outputs of various sensors such as a tachometer, a vibration detection sensor, an engine sound detection sensor, a vehicle speed pulse, a gyro sensor and a parking brake are monitored. In another embodiment, the number of emergency unloading occurrence at the start of the engine is reduced, which allows the head to have a prolonged life, so that the disk drive device has improved reliability as an HDD. The voltage values on two power supply lines, first and second power supply lines for a vehicle power supply device are monitored. The magnetic head is allowed to move when the voltage values on the first and second power supply lines attain a prescribed value after a prescribed time period after the voltage value on the first power supply line attains prescribed value.
    • 在防止发动机起动时的紧急卸载的磁盘驱动装置中,由于实现了HDD,所以可以延长使用寿命,提高可靠性。 在发动机起动检测部检测到车辆的发动机起动之后,驱动磁盘驱动装置或允许磁头的移动,从而能够在发动机起动时防止紧急卸载。 为了检测发动机起动,监视车辆用电源装置的四条电源线上的电压值,或者各种传感器的输出,例如转速表,振动检测传感器,发动机声音检测传感器,车速脉冲, 监视陀螺传感器和驻车制动器。 在另一个实施例中,发动机起动时的紧急卸载次数减少,这允许头部具有延长的使用寿命,使得盘驱动装置作为HDD具有改进的可靠性。 监视两个电源线,用于车辆电源装置的第一和第二电源线的电压值。 当第一电源线上的电压值达到规定值时,在第一和第二电源线上的电压值达到规定值之后的规定时间段时,使磁头移动。
    • 7. 发明授权
    • Navigation apparatus and information server
    • 导航设备和信息服务器
    • US06856892B2
    • 2005-02-15
    • US10254774
    • 2002-09-26
    • Tamami OdaTomo WatanabeTsuyoshi Sato
    • Tamami OdaTomo WatanabeTsuyoshi Sato
    • G09B29/10G01C21/00G01C21/26G08G1/09G08G1/137H04Q7/34G09G5/00
    • G01C21/3688G01C21/26
    • The navigation system includes an information server apparatus, a terminal apparatus for conducting navigation processing while conducting communication with the information server apparatus, and a vehicle navigation apparatus mounted on a vehicle to conduct navigation processing independently of the information server apparatus. During execution of the navigation processing in the terminal apparatus, detection is effected to determine whether the vehicle navigation apparatus is started. Upon detecting that the vehicle navigation apparatus has been started, information for the navigation processing conducted until then is transferred to the vehicle navigation apparatus. The vehicle navigation apparatus conducts navigation processing by using the transferred information.
    • 导航系统包括信息服务器装置,用于在与信息服务器装置进行通信的同时进行导航处理的终端装置,以及安装在车辆上以独立于信息服务器装置进行导航处理的车载导航装置。 在终端装置的导航处理的执行中,进行检测,判定车载导航装置是否起动。 当检测到车辆导航装置已经起动时,直到那时进行的导航处理的信息被传送到车辆导航装置。 车辆导航装置通过使用传送的信息进行导航处理。