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    • 12. 发明申请
    • MULTILAYER STATIC GASKET WITH SECONDARY COMPRESSION LIMITER
    • 具有二次压缩限制的多层静态垫片
    • US20120193877A1
    • 2012-08-02
    • US13363714
    • 2012-02-01
    • Takashi OkanoHubert Kohler
    • Takashi OkanoHubert Kohler
    • F02F11/00
    • F16J15/0825F16J2015/085F16J2015/0862
    • A multilayer metal static cylinder head gasket for establishing a gas/fluid-tight seal between a cylinder head and an engine block includes a pair of functional layers having openings configured to register with a combustion chamber and annular seal beads configured to form a seal about the openings. The gasket further includes a primary compression limiter formed of a separate piece of material from the functional layers. The primary compression limiter extends at least partially about the openings to facilitate inhibiting the seal beads from being fully flattened between the cylinder head and the engine block. The pair of functional layers have nested protrusions forming a secondary compression limiter spaced radially outwardly from the primary compression limiter to further inhibit the seal beads from being fully flattened between the cylinder head and the engine block.
    • 用于在气缸盖和发动机缸体之间建立气体/流体密封的多层金属静止气缸盖垫片包括一对功能层,其具有被配置为与燃烧室对准的开口和环形密封珠,所述环形密封珠被构造成围绕 开口 垫圈还包括由与功能层分开的一块材料形成的初级压缩限制器。 主压缩限制器至少部分地围绕开口延伸,以便于阻止密封珠在气缸盖和发动机缸体之间完全平坦化。 一对功能层具有嵌套突起,其形成从主压缩限制器径向向外间隔开的次级压缩限制器,以进一步阻止密封珠在气缸盖和发动机缸体之间完全平坦化。
    • 19. 发明授权
    • Optical pickup apparatus for recorded information with tilt indication
    • 用于具有倾斜指示的记录信息的光学拾取装置
    • US4607357A
    • 1986-08-19
    • US623396
    • 1984-06-22
    • Takashi Okano
    • Takashi Okano
    • G11B7/09G11B7/00G11B7/095G11B19/12G11B7/08
    • G11B7/0956G11B19/12
    • An optical pickup apparatus for reading information recorded on a recording medium, having an optical pickup device and a tilt servo control system for adjusting the angular position of the pickup device, the tilt servo control system comprising a deviation detection means including a light emitting means and a light receiving means, for detecting a deviation of the angle between an axis of the reading light from the optical pickup device and the surface of the recording medium from a right angle and generating a deviation detection signal, and a tilt drive mechanism connected to the optical pickup device, driven by a tilt drive signal generated from the deviation detection signal. The apparatus is characterized by a means for opening the servo loop of the tilt servo system when the light beam from the light emitting means has approached a portion of the recording medium in which no recording tracks are provided.
    • 一种用于读取记录在记录介质上的信息的光学拾取装置,具有用于调整拾取装置的角位置的光学拾取装置和倾斜伺服控制系统,所述倾斜伺服控制系统包括偏差检测装置,所述偏移检测装置包括发光装置和 光接收装置,用于从直角检测读取光的轴与记录介质的表面之间的角度的偏差并产生偏差检测信号;以及倾斜驱动机构,其连接到 光拾取装置,由偏差检测信号产生的倾斜驱动信号驱动。 该装置的特征在于当来自发光装置的光束接近其中没有设置记录轨道的记录介质的一部分时,用于打开倾斜伺服系统的伺服回路的装置。
    • 20. 发明授权
    • Tracking servo drawing device in optical type information reading device
    • 跟踪伺服绘图装置在光学类型信息读取装置中
    • US4268745A
    • 1981-05-19
    • US64704
    • 1979-08-08
    • Takashi Okano
    • Takashi Okano
    • G11B21/10G11B7/085G11B7/095G01J1/36
    • G11B7/0953
    • A tracking servo drawing device in an optical type information reading device utilizes a tracking servo to allow an irradiation light beam to track a record track on an information record surface to read information by using said irradiation light beam illuminating said record surface. A speed detection circuit is used to sense a relative speed of the record track and the irradiation light beam at which the irradiation light beam goes across the video track. When the relative speed is lower than predetermined value, a first detection signal is produced. A signal level detection circuit detects the reproduction signal level of the information. When the level reaches a predetermined value, a second detection signal is produced. When the first and second detection signals are produced simultaneously an instruction signal is generated to close the servo loop of said tracking servo means.
    • 光学类型信息读取装置中的跟踪伺服绘制装置利用跟踪伺服来使照射光束跟踪信息记录表面上的记录轨迹,以便通过照射所述记录表面的所述照射光束来读取信息。 速度检测电路用于感测记录轨道和照射光束相对于照射光束穿过视频轨迹的相对速度。 当相对速度低于预定值时,产生第一检测信号。 信号电平检测电路检测信息的再现信号电平。 当电平达到预定值时,产生第二检测信号。 当同时产生第一和第二检测信号时,产生指令信号以关闭所述跟踪伺服装置的伺服环路。