公开(公告)号：US6018520A

公开(公告)日：2000-01-25

申请号：US652647

申请日：1996-05-20

申请人： Yasushi Okada

发明人： Yasushi Okada

IPC分类号： H04J3/00 ,  H04B7/26 ,  H04W88/08 ,  H04B7/212 ,  H04J3/12

CPC分类号： H04W88/08

摘要： A base station for a radio communication system suitable for use if a radio data communication network is configured using a mobile radio terminal has a base station apparatus for a radio communication system which communicates with a mobile radio terminal over a radio line. The base station apparatus for a radio communication system has a voice communication processing system for processing voice signals and a data communication processing system for processing data signals. The data communication processing system has a low-speed modulating/demodulating unit for conducting a modulating/demodulating process on data signals at a processing speed lower than a processing speed of the voice communication processing system, thereby dividing a way of use of a communication channel and a control channel into data communication purpose and voice communication purpose upon data communication so as to increase an efficiency of utilization of the line.

摘要翻译： 如果使用移动无线终端配置无线数据通信网络，则适用于无线通信系统的基站具有通过无线线路与移动无线终端通信的无线通信系统的基站装置。 无线电通信系统的基站装置具有用于处理语音信号的语音通信处理系统和用于处理数据信号的数据通信处理系统。 数据通信处理系统具有低速调制/解调单元，用于以低于语音通信处理系统的处理速度的处理速度对数据信号进行调制/解调处理，从而划分通信信道的使用方式 以及数据通信中的数据通信用途和语音通信用途的控制信道，以提高线路的利用效率。

公开(公告)号：US5701290A

公开(公告)日：1997-12-23

申请号：US695544

申请日：1996-08-12

申请人： Yasushi Okada

发明人： Yasushi Okada

IPC分类号： G11B21/22 ,  G11B7/085 ,  G11B11/105 ,  G11B17/04

CPC分类号： G11B7/08582 ,  G11B17/043 ,  G11B11/10556 ,  G11B21/22

摘要： In an optical disk drive for recording and reproducing data out of an optical disk, a carriage locking mechanism has an engaging member which is rotatable in a plane parallel to a base member. This reduces the space occupied by the engaging member in the direction of height of the base member. As a result, the overall thickness of the disk drive is successfully reduced. Moreover, since a notch is located at a position where the engaging member interferes with a yoke member, the height of the disk drive is further reduced.

摘要翻译： 在用于从光盘记录和再现数据的光盘驱动器中，托架锁定机构具有可在平行于基座构件的平面中旋转的接合构件。 这就减小了接合构件在基底构件的高度方向上占据的空间。 结果，成功地减小了磁盘驱动器的整体厚度。 此外，由于凹口位于接合构件与轭构件干涉的位置处，因此磁盘驱动器的高度进一步降低。

公开(公告)号：US4922429A

公开(公告)日：1990-05-01

申请号：US21334

申请日：1987-03-03

申请人： Toyohei Nakajima ,  Yasushi Okada ,  Toshiyuki Mieno ,  Nobuyuki Oono

发明人： Toyohei Nakajima ,  Yasushi Okada ,  Toshiyuki Mieno ,  Nobuyuki Oono

IPC分类号： F02D41/00 ,  F02D41/14

CPC分类号： F02D41/1476 ,  F02D41/1482 ,  F02D41/1456

摘要： A method for feedback controlling an air/fuel ratio of mixture supplied to an internal combustion engine to a target air/fuel ratio, which uses an output signal of an oxygen concentration sensor. The sensor's output signal is proportional to the oxygen concentration in the exhaust gas of the engine. When the target air/fuel ratio is set at a stoichiometric air/fuel ratio, the air/fuel ratio of the mixture is varied by a small amount around the stoichiometric value if the air/fuel ratio of mixture supplied to the engine is detected to be in a predetermined air/fuel ratio range which includes the stoichiometric air/fuel ratio. The determination of the air/fuel ratio is calculated from the output signal of the oxygen concentration sensor.

摘要翻译： 一种使用氧浓度传感器的输出信号将供给内燃机的混合气体/空燃比反馈至目标空燃比的方法。 传感器的输出信号与发动机排气中的氧气浓度成比例。 当目标空燃比设定为理论空燃比时，如果检测到供给发动机的混合物的空气/燃料比被检测到，混合物的空气/燃料比在化学计量值附近变化少量 处于包括化学计量空气/燃料比的预定空气/燃料比范围。 根据氧浓度传感器的输出信号计算空燃比的确定。

公开(公告)号：US4796587A

公开(公告)日：1989-01-10

申请号：US10553

申请日：1987-02-03

申请人： Toyohei Nakajima ,  Yasushi Okada

发明人： Toyohei Nakajima ,  Yasushi Okada

IPC分类号： F02D33/00 ,  F02D41/00 ,  F02D41/14 ,  F02D41/24 ,  F02D45/00

CPC分类号： F02D41/2454 ,  F02D41/2474

摘要： An air/fuel ratio control system for an internal combustion engine includes an oxygen concentration sensor for producing an output signal to indicate the concentration of oxygen in the engine exhaust gases, and a circuit for producing a discrimination signal which expresses the inherent error, due to manufacturing deviations, in the output signal of the oxygen concentration sensor. Compensation of the output signal from the oxygen concentration sensor is performed in accordance with the discrimination signal, to produce a compensated output signal which controls means for adjusting the air/fuel ratio of the mixture supplied to the engine. Accurate control of the air/fuel ratio is thereby achieved, irrespective of differences in the operating characteristics of oxygen concentration sensors due to manufacturing deviations.

摘要翻译： 用于内燃机的空燃比控制系统包括用于产生用于指示发动机废气中的氧气浓度的输出信号的氧浓度传感器，以及用于产生表示固有误差的鉴别信号的电路，由于 在氧浓度传感器的输出信号中产生偏差。 根据鉴别信号进行来自氧浓度传感器的输出信号的补偿，以产生补偿输出信号，该输出信号控制用于调节供应给发动机的混合物的空燃比的装置。 由此可以实现空气/燃料比的精确控制，而不管由于制造偏差导致的氧浓度传感器的运行特性的差异。

公开(公告)号：US4766870A

公开(公告)日：1988-08-30

申请号：US43727

申请日：1987-04-29

申请人： Toyohei Nakajima ,  Yasushi Okada ,  Toshiyuki Mieno ,  Nobuyuki Oono

发明人： Toyohei Nakajima ,  Yasushi Okada ,  Toshiyuki Mieno ,  Nobuyuki Oono

IPC分类号： F02D41/00 ,  F02D41/14 ,  F02D41/34 ,  F02M51/00 ,  F02B3/00

CPC分类号： F02D41/008 ,  F02D41/1443 ,  F02D41/2454 ,  F02D41/1456

摘要： A method of air/fuel ratio control for a multicylinder internal combustion engine, utilziing an oxygen concentration sensor which produces an output varying in proportion to oxygen concentration, in which compensation values are computed and stored for use in compensating errors of a basic value which controls the air/fuel ratio. While the engine is operating in a condition condition in which the deviation of a detected air/fuel ratio from a target air/fuel ratio is below a predetermined level, respective compensation values are computed and updated for the individual cylinders of the engine, with these compensation values being computed in accordance with variations in the magnitude of the detected air/fuel ratio.

摘要翻译： 一种用于多缸内燃机的空燃比控制方法，利用产生与氧气浓度成比例变化的输出的氧浓度传感器，其中计算和存储补偿值以用于补偿控制的基本值的误差 空燃比。 当发动机在检测到的空气/燃料比与目标空气/燃料比的偏差低于预定水平的条件条件下操作时，针对发动机的各个气缸计算和更新相应的补偿值，利用这些 根据检测到的空气/燃料比的大小的变化计算补偿值。

公开(公告)号：US4763628A

公开(公告)日：1988-08-16

申请号：US21035

申请日：1987-03-02

申请人： Toshiyuki Mieno ,  Toyohei Nakajima ,  Yasushi Okada ,  Nobuyuki Oono

发明人： Toshiyuki Mieno ,  Toyohei Nakajima ,  Yasushi Okada ,  Nobuyuki Oono

IPC分类号： G01N27/26 ,  F02D41/06 ,  F02D41/14 ,  G01N27/04 ,  G01N27/27 ,  G01N27/409 ,  G01N27/419 ,  F02B3/00

CPC分类号： F02D41/068 ,  F02D41/1486

摘要： Compensation of an output from an oxygen concentration sensor of an air/fuel ratio control apparatus for an internal combustion engine is executed during engine warm-up, to correct for an erroneous component in the oxygen concentration sensor output data caused by incomplete combustion during warm-up. The degree of compensation applied is determined by the engine operating temperature, as represented by the cooling water temperature. Excessive richness of the air/fuel ratio of the mixture supplied to the engine during warm-up is thereby eliminated.

摘要翻译： 在发动机预热期间执行用于内燃机的空气/燃料比控制装置的氧浓度传感器的输出的补偿，以校正由于在暖机期间不完全燃烧引起的氧浓度传感器输出数据中的错误成分， 向上。 施加的补偿程度由发动机工作温度决定，如冷却水温度所示。 由此消除了在预热期间提供给发动机的混合物的空气/燃料比的过多的丰富性。

公开(公告)号：US4760822A

公开(公告)日：1988-08-02

申请号：US946023

申请日：1986-12-24

申请人： Toshiyuki Mieno ,  Toyohei Nakajima ,  Yasushi Okada ,  Nobuyuki Oono

发明人： Toshiyuki Mieno ,  Toyohei Nakajima ,  Yasushi Okada ,  Nobuyuki Oono

IPC分类号： F02D41/10 ,  F02D41/00 ,  F02D41/12 ,  F02D41/14

CPC分类号： F02D41/126

摘要： A method for controlling an air/fuel ratio of an internal combustion engine. The fuel supply is performed normally by a feedback control operation for controlling the air/fuel ratio of the mixture toward a target air/fuel ratio in accordance with an oxygen concentration in an exhaust gas of the engine. A fuel cut operation under a predetermined condition includes a step for detecting a transition from the fuel cut operation to resume the fuel supply, and a step for shifting, for a time period after a detection of the transition, the target air/fuel ratio of the feedback control to a lean side with respect to a target air/fuel ratio value to be used after the elapse of the time period.

摘要翻译： 一种用于控制内燃机的空燃比的方法。 燃料供给通常通过反馈控制操作进行，该反馈控制操作根据发动机的废气中的氧气浓度将混合物的空气/燃料比控制为目标空气/燃料比。 在预定条件下的燃料切断操作包括用于检测从燃料切断操作转换到恢复燃料供给的步骤，以及用于在检测到转变之后的时间段内移动目标空燃比的步骤 相对于在经过该时间段之后要使用的目标空气/燃料比值，将反馈控制到倾斜侧。

公开(公告)号：US4759827A

公开(公告)日：1988-07-26

申请号：US934590

申请日：1986-11-25

申请人： Yasushi Okada ,  Toyohei Nakajima ,  Toshiyuki Mieno ,  Nobuyuki Oono

发明人： Yasushi Okada ,  Toyohei Nakajima ,  Toshiyuki Mieno ,  Nobuyuki Oono

IPC分类号： G01N27/26 ,  G01N27/406 ,  G01N27/409 ,  G01N27/419 ,  G01N27/58

CPC分类号： G01N27/4065

摘要： An oxygen concentration detection apparatus includes a detection unit having a pair of oxygen-ion conductive solid electrolyte walls forming first and second gas retaining chambers on which first and second sets of electrodes, which are designed to operate alternatively, are provided. First and second current supply circuits are provided for alternatively supplying first and second pump currents respectively on the first and second sets of electrodes. Between the current supply circuits and the sets of electrodes respectively, a first variable resistor and a second variable resistor are provided so that adjustment operations are enabled separately for obtaining an accurate overall output signal characteristic of the oxygen concentration detection apparatus.

摘要翻译： 氧浓度检测装置包括具有一对氧离子传导性固体电解质壁的检测单元，所述氧离子导电固体电解质壁形成第一和第二气体保持室，在该第一和第二气体保持室上设置有被设计成可交替地操作的第一和第二组电极。 提供第一和第二电流供应电路，用于分别在第一和第二组电极上交替地供应第一和第二泵电流。 在电流供给电路和电极组之间分别设置有第一可变电阻器和第二可变电阻器，以便分开地进行调节操作，以获得氧浓度检测装置的精确的总输出信号特性。

公开(公告)号：US4721088A

公开(公告)日：1988-01-26

申请号：US936427

申请日：1986-12-01

申请人： Toshiyuki Mieno ,  Toyohei Nakajima ,  Yasushi Okada ,  Nobuyuki Oono

发明人： Toshiyuki Mieno ,  Toyohei Nakajima ,  Yasushi Okada ,  Nobuyuki Oono

IPC分类号： G01N27/419 ,  F02D41/14 ,  G01N27/27 ,  G01N27/409 ,  G01N27/41 ,  F02M51/00 ,  F02M7/00

CPC分类号： F02D41/1494 ,  F02D41/1456

摘要： A method for controlling an oxygen concentration detection apparatus mounted on an engine, including an oxygen concentration sensing element and a heater element for heating the oxygen concentration sensing unit, includes an operation for detecting an engine temperature of a time immediately before the start of the supply of a drive current to the heater element, and an operation for controlling the magnitude of the drive current for a time period which is determined correspondingly to the engine temperature, to be lower than a level of the drive current to be supplied to the heater element after the elapse of the time period determined according to the engine temperature.

摘要翻译： 一种用于控制安装在包括氧浓度检测元件和用于加热氧浓度检测单元的加热器元件的发动机上的氧浓度检测装置的方法，包括用于检测在供应开始之前的时间内的发动机温度的操作 到加热器元件的驱动电流，以及用于控制与发动机温度相对应的时间段内的驱动电流的大小的操作，以便低于要供应到加热器元件的驱动电流的电平 在根据发动机温度确定的时间段过去之后。

公开(公告)号：US08746033B2

公开(公告)日：2014-06-10

申请号：US13126615

申请日：2009-10-21

申请人： Satoshi Asano ,  Masahiro Matsumoto ,  Yasushi Okada

发明人： Satoshi Asano ,  Masahiro Matsumoto ,  Yasushi Okada

IPC分类号： G01C19/56

CPC分类号： G01C19/5614 ,  G01C19/5776

摘要： Failures can be detected with high accuracy even the ambient temperature changes or background vibration is applied. An angular velocity sensor is composed of a vibrator which is elastically and displaceably supported on a substrate; a driving means which vibrates the vibrator in the drive axis direction horizontal to the substrate surface; a displacement detecting means in the detection axis direction, which detects a displacement of the vibrator in the detection axis direction horizontal to the substrate surface and perpendicular to the drive axis direction; an angular velocity detecting means which detects an angular velocity based on the displacement of the vibrator in the detection axis direction; a self-vibration detecting means that detects self-vibration of the vibrator, which is generated due to leakage in the detection axis direction of the vibration of the vibrator in the drive axis direction; a self-vibration feedback circuit which completely cancels the self-vibration of the vibrator; and an abnormality determining means which determines abnormality using an output from the self-vibration detecting means.

摘要翻译： 即使环境温度变化或背景振动也可以高精度地检测到故障。 角速度传感器由弹性位移地支撑在基板上的振动器构成; 驱动装置，其使所述振动器沿所述基板面的水平方向的驱动轴方向振动; 位于检测轴方向的位移检测单元，其检测振动体在检测轴方向上与基板表面水平并垂直于驱动轴方向的位移; 角速度检测装置，其基于振动器在检测轴方向上的位移检测角速度; 自动振动检测装置，其检测由于振动器在驱动轴方向的振动的检测轴方向上的泄漏而产生的振动器的自身振动; 自振反馈电路，完全抵消振动器的自振; 以及异常确定装置，其使用来自自动振动检测装置的输出来确定异常。