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公开(公告)号：US4779225A
公开(公告)日：1988-10-18
申请号：US11050
申请日：1987-02-05
CPC分类号： H03M3/042
摘要： An adaptive digital filter which is used, for instance, for a prediction filter in an ADPCM modulator and an ADPCM demodulator, for providing stable operation and minimum phase shift response. The filter (FIG. 4, FIG. 5) has three parallel branches (A,B,C), two (A,B) of them have a plurality of series connected non-recursive filter elements (A.sub.1 -A.sub.n, B.sub.1 -B.sub.n) each of which has degree not larger than three relating to an operator (Z.sup.-1), and third branch (C) is merely a conductive line. Tap coefficients (c.sub.1, c.sub.2, . . ., d.sub.1, d.sub.2, . . . ) of non-recursive filter elements change according to solutions of the transfer of the filter. A numerator and/or a denominator of the transfer function of the present filter is a Chebychev polynominal relating to an operator (Z.sup.-1), and has a zero point and/or a pole. The solutions (w.sub.i, v.sub.i) of a numerator and a denominator locate alternately on a unit circle (FIG. 6) on a Z.sup.-1 plane. When solutions of the transfer function do not locate alternately on said unit circle, tap coefficients (c.sub.1, c.sub.2, . . . , d.sub.1, d.sub.2, . . . ) are not updated, since non-alternate solutions do not assure stable operation and/or minimum phase shift response of the filter.
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公开(公告)号：US4736823A
公开(公告)日：1988-04-12
申请号：US27823
申请日：1987-03-19
申请人： Hiromi Ando , Kunihiro Matsunaga
发明人： Hiromi Ando , Kunihiro Matsunaga
CPC分类号： B60T8/74 , B60T8/4225
摘要： An anti-skid device for use in a vehicle hydraulic brake system comprising a hydraulic pressure generating device for generating hydraulic pressure in response to actuation of a brake pedal, a brake cylinder for receiving the hydraulic pressure from the hydraulic pressure generating device and for applying brake force to a wheel of the vehicle, a passage through which the hydraulic pressure is adapted to be transmitted from the hydraulic pressure generating device to the brake cylinder, lock detecting device for detecting that a wheel is locked and a damping valve designed to function to interrupt the transmission of the hydraulic pressure from the hydraulic pressure generating device to the brake cylinder and to further reduce the pressure in the brake cylinder when the lock detecting mechanism detects that wheel is locked so that the wheel-lock may be released. The damping valve comprises a plunger movable such as to open and close a valve seat and a diaphragm for movably supporting the plunger and for liquid-tightly sealing a valve chamber defined around the valve seat. The plunger is integrated with the diaphragm by bonding and is provided at one end thereof with a valve body having a spherical surface portion for contacting the valve seat.
摘要翻译： 一种用于车辆液压制动系统的防滑装置，包括用于响应于制动踏板的致动产生液压的液压发生装置，用于从液压发生装置接收液压的制动缸和用于施加制动器 对车辆的车轮的力，通过液压从液压发生装置传递到制动缸的通道，用于检测车轮被锁定的锁定检测装置和设计成用于中断的阻尼阀 液压压力从液压发生装置传递到制动缸，并且当锁定检测机构检测到车轮被锁定时进一步降低制动缸中的压力，从而可以释放车轮锁。 阻尼阀包括可移动的柱塞，以便打开和关闭阀座和用于可移动地支撑柱塞的隔膜，并用于液密地密封限定在阀座周围的阀室。 柱塞通过结合与隔膜一体化，并且在其一端处设置有具有用于接触阀座的球形表面部分的阀体。
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公开(公告)号：US4725102A
公开(公告)日：1988-02-16
申请号：US847779
申请日：1986-04-03
申请人： Hiromi Ando , Yasuo Karasudani , Tetsuro Nakajo
发明人： Hiromi Ando , Yasuo Karasudani , Tetsuro Nakajo
CPC分类号： B60T8/245 , B60T8/4225 , B60T8/74
摘要： An anti-skid device for use in a vehicle braking system and comprising a master cylinder for generating pressurized fluid in response to the actuation of a brake pedal, a reservoir supplying hydraulic fluid to the master cylinder, a deceleration detector for detecting the deceleration of a vehicle body the speed of which having been decreased in response to the actuation of the brake pedal, a first valve device for transmitting the fluid pressure generated in the master cylinder to a wheel brake cylinder in actuating the brake pedal and for intercepting the communication between the wheel cylinder and the master cylinder when the deceleration detector detects a predetermined amount of deceleration. The first valve device includes an expansion chamber normally filled by a predetermined amount of pressurized fluid, a dump valve communicating the expansion chamber with the reservoir when the deceleration detector detects the deceleration, and a pump device for pressurizing the expansion chamber. A second valve device is interposed between the first valve device and the reservoir and include a sensor for sensing the inclination of the vehicle such that when the vehicle is at a predetermined up-hill condition the second valve device closes to intercept the communication between the expansion chamber of the first valve device and the reservoir.
摘要翻译： 一种用于车辆制动系统的防滑装置，包括响应于制动踏板的致动而产生加压流体的主缸，向主缸供应液压流体的储存器，用于检测制动踏板的减速度的减速检测器 车辆的速度响应于制动踏板的致动而减小;第一阀装置，用于在主缸中产生的流体压力传递到车轮制动缸，用于致动制动踏板，并用于拦截制动踏板之间的连通 当减速检测器检测到预定量的减速度时，轮缸和主缸。 第一阀装置包括通常由预定量的加压流体填充的膨胀室，当减速检测器检测到减速度时将膨胀室与储存器连通的卸载阀以及用于对膨胀室进行加压的泵装置。 第二阀装置插入在第一阀装置和储存器之间，并且包括用于感测车辆倾斜的传感器，使得当车辆处于预定的上坡状态时，第二阀装置关闭以截断膨胀 第一阀装置和储存器的腔室。
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公开(公告)号：US4660163A
公开(公告)日：1987-04-21
申请号：US570634
申请日：1984-01-13
CPC分类号： H03M3/042
摘要： An adaptive digital filter which is used, for instance, for a prediction filter in an ADPCM modulator and an ADPCM demodulator, for providing stable operation and minimum phase shift response has been found. The filter (FIG. 4, FIG. 5) has three parallel branches (A,B,C), two (A,B) of them have a plurality of series connected non-recursive filter elements (A.sub.1 -A.sub.n, B.sub.1 -B.sub.n) each of which has degree not larger than three relating to an operator (Z.sup.-1), and third branch (C) is merely a conductive line. Tap coefficients (c.sub.1, c.sub.2, . . . , d.sub.1, d.sub.2, . . . ) of non-recursive filter elements change according to solutions of the transfer function of the filter. A numerator and/or a denominator of the transfer function of the present filter is a Chebychev polynominal relating to an operator (Z.sup.-1), and has a zero point and/or a pole. The solutions (w.sub.i, v.sub.i) of a numerator and a denominator locate alternately on a unit circle (FIG. 6) on a Z.sup.-1 plane. When solutions of the transfer function do not locate alternately on said unit circle, tap coefficients (c.sub.1, c.sub.2, . . . , d.sub.1, d.sub.2, . . . ) are not updated, since non-alternate solutions do not assure stable operation and/or minimum phase shift response of the filter.
摘要翻译： 已经发现了用于例如用于ADPCM调制器中的预测滤波器和用于提供稳定操作和最小相移响应的ADPCM解调器的自适应数字滤波器。 滤波器（图4，图5）具有三个平行分支（A，B，C），它们中的两个（A，B）具有多个串联连接的非递归滤波器元件（A1-An，B1-Bn （Z-1），第三分支（C）仅仅是导线。 非递归滤波器元件的抽头系数（c1，c2，...，d1，d2，...）根据滤波器的传递函数的解决方案而变化。 本滤波器的传递函数的分子和/或分母是与运算符（Z-1）相关的切比西夫多项式，具有零点和/或极点。 分子和分母的解（wi，vi）交替地位于Z-1平面上的单位圆（图6）上。 当传递函数的解不会交替地定位在所述单位圆上时，抽头系数（c1，c2，...，d1，d2，...）不更新，因为非替代解不能保证稳定的操作和/ 或滤波器的最小相移响应。
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公开(公告)号：US4590845A
公开(公告)日：1986-05-27
申请号：US214433
申请日：1980-12-08
申请人： Kiyoshi Tateoka , Hiromi Ando
发明人： Kiyoshi Tateoka , Hiromi Ando
CPC分类号： B60T13/57
摘要： A pneumatic servo booster includes a housing, a flexible diaphragm partitioning the interior of the housing into front and rear chambers, a valve body slidably mounted in the housing and connected to the diaphragm, and a valve mechanism incorporated in the valve body and including a poppet valve cooperating with a valve seat formed on the valve body and with another valve seat formed on a plunger which is connected to an input rod and is slidably mounted in the valve body. A return movement restricting member restricts the return movement of the plunger with respect to the housing when the valve body returns to its return position.
摘要翻译： 气动伺服增压器包括壳体，将壳体内部分隔成前后室的柔性隔膜，可滑动地安装在壳体中并连接到隔膜的阀体以及结合在阀体中并包括提升阀的阀机构 与形成在阀体上的阀座配合的阀，以及形成在与输入杆连接并可滑动地安装在阀体中的柱塞上的另一个阀座。 当阀体返回到其返回位置时，返回运动限制构件限制柱塞相对于壳体的返回运动。
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公开(公告)号：US4469009A
公开(公告)日：1984-09-04
申请号：US378232
申请日：1982-05-14
申请人： Toshio Takayama , Hiromi Ando , Mitsuhiro Endou
发明人： Toshio Takayama , Hiromi Ando , Mitsuhiro Endou
IPC分类号： B60T13/56 , B60T13/567 , B60T13/57 , F15B9/10 , F01B19/00
CPC分类号： B60T13/57 , B60T13/5675
摘要： A pneumatic booster includes a housing, a power piston and flexible diaphragm assembly partitioning the interior of the housing into two chambers, a poppet valve mechanism for selectively connecting or disconnecting communication between the two chambers and disconnecting or connecting communication between one of the chambers and a reference pressure, an input rod for actuating the poppet valve mechanism and an output rod connected to the power piston. The poppet valve mechanism includes a plunger connected to the inner end of the input rod, a valve member, a valve body having an axial bore therein for slidably receiving the plunger, and a restricting member mounted on the plunger for restricting the relative axial displacement of the plunger and the valve body. A resilient member is interposed between the restricting member and the valve body to avoid impacting abutment between the restricting member and the valve body.
摘要翻译： 气动升压器包括壳体，动力活塞和将壳体内部分成两个腔室的柔性隔膜组件;提升阀机构，用于选择性地连接或断开两个室之间的连通，并且断开或连接其中一个室和一个室之间的连通 参考压力，用于致动提升阀机构的输入杆和连接到动力活塞的输出杆。 提升阀机构包括连接到输入杆的内端的柱塞，阀构件，其中具有用于可滑动地容纳柱塞的轴向孔的阀体，以及安装在柱塞上用于限制相对轴向位移的限制构件 柱塞和阀体。 弹性构件设置在限制构件和阀体之间，以避免撞击在限制构件与阀体之间的邻接。
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公开(公告)号：US4402256A
公开(公告)日：1983-09-06
申请号：US240611
申请日：1981-03-05
申请人： Hiromi Ando
发明人： Hiromi Ando
CPC分类号： B60T13/244
摘要： A pneumatic servo booster includes a shell housing consisting of front and rear shells, a valve body slidably extending through the rear shell, a flexible diaphragm cooperating with the valve body for partitioning the interior of the shell housing into front and rear chambers, a plunger connected to an input rod and being slidably fitted in the valve body, a valve mechanism including a poppet valve and two valve seats which are formed respectively on the valve body and the plunger, and at least one rigid rod secured respectively to the front and rear shells and extending through the front and rear chambers. The valve mechanism communicates the two chambers when the poppet valve is spaced from the valve seat of the valve body and is seated on the valve seat of the plunger. A return movement restricting member is slidably mounted on the rigid rod and engages with the plunger, and resiliently restricts the return movement of the plunger at the end of the return stroke of the input rod.
摘要翻译： 气动伺服助力器包括壳体壳体，其由前壳体和后壳体组成，阀体可滑动地延伸穿过后壳体;柔性膜片，与阀体配合，用于将壳体壳体内部分隔成前腔室和后室;柱塞连接 连接到输入杆并且可滑动地装配在阀体中，阀机构包括分别形成在阀体和柱塞上的提升阀和两个阀座，以及分别固定在前壳和后壳上的至少一个刚性杆 并延伸穿过前后室。 当提升阀与阀体的阀座间隔开并且安置在柱塞的阀座上时，阀机构连通两个室。 返回运动限制构件可滑动地安装在刚性杆上并与柱塞接合，并且在输入杆的返回行程结束时弹性地限制柱塞的返回运动。
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公开(公告)号：US4398449A
公开(公告)日：1983-08-16
申请号：US226173
申请日：1981-01-16
申请人： Toshio Takayama , Hiromi Ando
发明人： Toshio Takayama , Hiromi Ando
CPC分类号： B60T13/244
摘要： A pneumatic servo booster includes a shell housing consisting of front and rear shells, a valve body slidably extending through an opening formed in the rear shell, a flexible diaphragm connected to the valve body and to the inner circumference of the shell housing to divide the interior of the housing into front and rear chambers, a valve mechanism incorporated in the valve body for controlling the pressure difference between the two chambers, and at least one reinforcing rod extending between front and rear shells and through the two chambers. The valve mechanism comprises a plunger slidably received in the valve body and connected to an input rod, a valve seat formed on the valve body, another valve seat formed on the plunger, and a poppet valve cooperating with the valve seats. A return movement restricting member is slidably mounted on the reinforcing rod and restricts the return movement of the plunger, thereby establishing the rearmost position of the plunger.
摘要翻译： 气动伺服助力器包括由前壳和后壳组成的壳体壳体，可滑动地延伸穿过形成在后壳体中的开口的阀体，连接到阀体和壳壳体的内圆周的柔性隔膜以将内部 壳体内装入阀体中的阀机构，用于控制两个腔室之间的压力差，以及至少一个在前壳和后壳之间延伸并穿过两个腔室的加强杆。 阀机构包括可滑动地容纳在阀体中并连接到输入杆的柱塞，形成在阀体上的阀座，形成在柱塞上的另一个阀座，以及与阀座配合的提升阀。 返回移动限制构件可滑动地安装在加强杆上并限制柱塞的返回运动，从而建立柱塞的最后位置。
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公开(公告)号：US4386328A
公开(公告)日：1983-05-31
申请号：US254071
申请日：1981-04-14
申请人： Yoshio Masuda , Atsushi Fukasawa , Takuro Sato , Tatsumasa Yoshida , Hiromi Ando
发明人： Yoshio Masuda , Atsushi Fukasawa , Takuro Sato , Tatsumasa Yoshida , Hiromi Ando
CPC分类号： H01P1/2056 , H01P7/10
摘要： A high frequency filter for frequencies higher than the VHF band comprising of a closed conductive housing (53), a pair of input and/or output means (54) like an antenna provided at both the extreme ends (53-5, 53-6) of said housing (53), a plurality of resonators (51-1 through 51-5, and 51a-1 through 51a-5) arranged on a straight line between said antennas (54), each of said resonators having an elongated inner conductor (51a-1 through 51a-5) with a circular cross section, and an elongated rectangular dielectric body (51-1 through 51-5) surrounding said inner conductor, one end of each of said resonators being fixed at the single plane (53-1) of the housing (53) and the other end of each of said resonators being free standing. The length of said inner conductor and the dielectric body is substantially 1/4 wavelength, and the duration (52-1 through 52-4 ) between two resonators is determined according to the specified coupling coefficient for the desired characteristics of the filter. Due to the rectangular dielectric body (51-1 through 51-5), each resonator is stably mounted on the housing (53), and then, the stable characteristics of the filter is obtained. Thus, the use in a vibrated circumstance like a mobile communication is possible. That rectangular dielectric body (51-1 through 51-5) also provides the larger coupling coefficients between resonators, and then, the wideband filter can be obtained.
摘要翻译： 一种用于频率高于VHF频带的高频滤波器，包括封闭导电壳体（53），一对输入和/或输出装置（54），类似于设置在两端的天线（53-5,53-6 ），布置在所述天线（54）之间的直线上的多个谐振器（51-1至51-5和51a-1至51a-5），每个所述谐振器具有细长的内部 具有圆形横截面的导体（51a-1至51a-5）和围绕所述内部导体的细长矩形电介质体（51-1至51-5），每个所述谐振器的一端固定在单个平面 （53）的另一端，并且每个所述谐振器的另一端是独立的。 所述内部导体和介电体的长度基本上为1/4波长，并且根据用于滤波器的期望特性的规定的耦合系数来确定两个谐振器之间的持续时间（52-1至52-4）。 由于矩形电介质体（51-1至51-5），每个谐振器稳定地安装在壳体（53）上，然后获得滤波器的稳定特性。 因此，可以在诸如移动通信的振动环境中使用。 该矩形电介质体（51-1至51-5）也在谐振器之间提供较大的耦合系数，然后可获得宽带滤波器。
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