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    • 72. 发明授权
    • Fuel-injection system for engines
    • 发动机燃油喷射系统
    • US6053150A
    • 2000-04-25
    • US275405
    • 1999-03-24
    • Susumu TakahashiYasuhiro Nishiyama
    • Susumu TakahashiYasuhiro Nishiyama
    • F02M45/04F02D41/24F02D41/38F02D41/40F02D45/00F02M55/02F02M37/04
    • F02D41/247F02D41/2438F02D41/403F02D41/3809Y02T10/44
    • A fuel-injection system for an engine is disclosed for accomplishing a minute fuel injection by learning the minimum conductive duration to electronic devices for the beginning of the minute fuel injection. A controller unit may output at a time Tp a command pulse of an actuating current that is applied to solenoid-operated valves to make injectors to carry out the fuel injection. After a definite length of time T.sub.0 has elapsed, a common rail pressure begins decreasing from a mean value P.sub.0, which is kept until then. The controller unit changes incrementally the conductive duration Pwp of the command pulse for a pilot injection from the minimal conductive duration, and identifies the timing of the beginning of the fuel injection with the timing when an area Ar of pressure reduction is over a preselected value. In case the desired amount of fuel to be injected is too minute, the controller unit may calculate the conductive duration dependently on the minimum command pulse width.
    • 公开了一种用于发动机的燃料喷射系统,用于通过学习用于开始微小燃料喷射的电子设备的最小导电持续时间来完成微小的燃料喷射。 控制器单元可以在时间Tp处输出施加到电磁阀的致动电流的指令脉冲,以使喷射器执行燃料喷射。 在经过了一定时间T0之后,共轨压力从平均值P0开始减小,直到那时为止。 控制器单元从最小传导持续时间逐渐改变用于引导喷射的命令脉冲的导电持续时间Pwp,并且当压力降低的区域Ar超过预选值时,确定燃料喷射开始的定时。 在要注入的燃料量太小的情况下,控制器单元可以根据最小指令脉冲宽度来计算导电持续时间。
    • 76. 发明授权
    • Waveform prediction method for acoustic signal and coding/decoding
apparatus therefor
    • 声信号波形预测方法及其编码/解码装置
    • US5392231A
    • 1995-02-21
    • US7133
    • 1993-01-21
    • Susumu Takahashi
    • Susumu Takahashi
    • G10H1/00G06T9/00G10H7/00G10L11/00G10L19/02G10L19/04G06F7/548
    • G10L19/0212G06T9/004
    • By data every a predetermined number of discrete frequencies obtained by implementing orthogonal transform processing to acoustic signal data by using the same window function for first and second frames in sequential frames of an acoustic signal having a predetermined fixed time length, phase information every respective discrete frequencies are obtained every the first and second frames. Then, quantities of changes of phase information every discrete frequencies corresponding to each other in the first and second frames are determined. On the assumption that the quantities of changes of phase information every individual discrete frequencies are fixed on the time base, individual phase information every a predetermined number of discrete frequencies in a frame at a third time position existing at a time position of a multiple of integer of a time difference between the first and second time positions are determined to predict phase information of the frame at the third time position. Thus, it is possible to efficiently encode an acoustic signal to facilitate it to satisfactorily record or transmit it, or to easily provide a sound source for an electronic musical instrument excellent in performance.
    • 通过在具有预定的固定时间长度的声信号的连续帧中对第一和第二帧使用相同的窗口函数,通过对声信号数据进行正交变换处理而获得的每个预定数量的离散频率的数据,每个相应的离散频率 每第一帧和第二帧获得。 然后,确定在第一和第二帧中彼此对应的每个离散频率的相位信息的改变量。 假设每个离散频率的相位信息的变化量在时基上是固定的,则每个预定数量的离散频率的单个相位信息在存在于整数倍数的时间位置的第三时间位置处的第三时间位置 确定第一和第二时间位置之间的时间差的第三时间位置的帧的相位信息。 因此,可以有效地对声信号进行编码,以便于令人满意地记录或发送声信号,或者可以容易地为性能优异的电子乐器提供声源。
    • 79. 发明授权
    • Method of preparing carbon fiber-reinforced carbon modules
    • 制备碳纤维增强碳模块的方法
    • US5055243A
    • 1991-10-08
    • US485604
    • 1990-02-27
    • Susumu Takahashi
    • Susumu Takahashi
    • C04B35/83
    • C04B35/83
    • Binder-impregnated carbon fiber rovings and the like, which are sticky and difficult to handle, are stacked to form modules that are packed in resinous bags under vacuum, and are then shaped to desired dimensions and densities without employing conventional molds, but simply by placing them in the confines of jigs or ruler frames and then releasing them from vacuum and expanding them to the desired dimensions. They are thereafter subjected to heat treatments to provide high temperature resistant carbon fiber-reinforced carbon or graphite modules which work, for example, as thermal insulation and refractory walls in high temperature heating furnaces.
    • 粘合剂浸渍的碳纤维粗纱等粘着且难以处理,堆叠形成在真空下包装在树脂袋中的模块,然后成型为所需的尺寸和密度,而不需要使用常规模具,而是简单地放置 它们在夹具或尺子框架的范围内,然后将其从真空中释放出来并将其扩展到所需的尺寸。 然后对其进行热处理以提供耐高温碳纤维增强碳或石墨模块,其例如作为高温加热炉中的绝热和耐火墙工作。