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    • 61. 发明授权
    • Digital ramp phase type optical interference gyro
    • 数字斜坡相位型光干涉陀螺仪
    • US5341210A
    • 1994-08-23
    • US92491
    • 1993-07-16
    • Kenji OgawaOsamu ItoyamaMotohiro IshigamiKenichi Okada
    • Kenji OgawaOsamu ItoyamaMotohiro IshigamiKenichi Okada
    • G01P3/36G01C19/72G01C19/64
    • G01C19/726
    • In a digital ramp phase type gyro in which a ramp signal RAM is produced by repeatedly accumulating step values sequentially generated corresponding to an input angular rate until the accumulated value exceeds a threshold value THR or -THR and the ramp signal RAM is used to modulate the phases of clockwise and counterclockwise light beams to cancel the phase difference therebetween, a comparing part 38 compares the threshold values THR and -THR and the ramp signal RAM and, when the ramp signal RAM exceeds either one of the threshold values THR and -THR, outputs the threshold value THR or -THR and a subtractor 41 subtracts the output threshold value from the accumulated value at that time, thereby causing a flyback of the ramp signal RAM. The output from a synchronous detector 23 at this time is latched as an error signal in a latch circuit 31 and the error signal is integrated by an integrating filter 32 to generate a correcting signal. The correcting signal is added to a reference value Er in a circuit 37 to produce corrected threshold values THR and -THR and the phase difference between the clockwise and counterclockwise light beams immediately prior to the flyback is always held to be 2n.pi. rad.
    • 在数字斜坡相位陀螺仪中,其中通过重复累积对应于输入角速率顺序产生的步长值直到累积值超过阈值THR或-THR而生成斜坡信号RAM,并且斜坡信号RAM用于调制 顺时针和逆时针光束的相位以消除它们之间的相位差,比较部分38比较阈值THR和-THR和斜坡信号RAM,并且当斜坡信号RAM超过阈值THR和-THR中的任何一个时, 输出阈值THR或-THR,而减法器41从该时刻的累计值中减去输出阈值,从而导致斜坡信号RAM的反激。 此时,来自同步检测器23的输出在锁存电路31中被锁存为误差信号,并且积分滤波器32积分误差信号以产生校正信号。 校正信号被添加到电路37中的参考值Er,以产生校正阈值THR和-THR,并且在回扫之前的顺时针和逆时针光束之间的相位差总是保持为2n pi rad。
    • 62. 发明授权
    • Device for detecting alcoholic content
    • 用于检测酒精含量的装置
    • US5074659A
    • 1991-12-24
    • US644769
    • 1991-01-23
    • Hiroyoshi SuzukiKenji OgawaHiroko Maekawa
    • Hiroyoshi SuzukiKenji OgawaHiroko Maekawa
    • G01N21/43
    • G01N21/43
    • The present invention is directed to a device for detecting alcoholic content in a fuel by finding its refractive index, which is of such a construction that a refractive interface for the fuel is formed on the half way of a light transmission body; a light emitting element is provided at one end of the light transmission body, from which incident light is introduced into said refractive interface; and a single dimensional light position sensing detector is provided at the other end of the light transmitting body, into which the light refracted at the refractive interface is introduced; or it is of such a construction that a light emitting element and a single dimensional light position sensing detector are provided at one end of a light transmission body; a refractive interface and a reflecting surface are provided at the other end of the light transmission body, wherein an incident light from the light emitting element, which has entered into the refractive interface and has been refracted there, is reflected at the reflecting surface, after which the reflected light is again caused to enter into the refractive interface, and is subsequently caused to enter into the single dimensional light position sensing detector.
    • 63. 发明授权
    • Optical transceiver apparatus for detecting distance between two cars
    • 用于检测两辆车之间距离的光收发器
    • US5039217A
    • 1991-08-13
    • US498674
    • 1990-03-26
    • Hiroko MaekawaHiroyoshi SuzukiKenji Ogawa
    • Hiroko MaekawaHiroyoshi SuzukiKenji Ogawa
    • G01C3/06G01B11/00G01B11/26G01C3/18
    • G01C3/18
    • An apparatus for detecting the distance between one's car and the car ahead, together with the angle between the axes of the two cars. The apparatus has a pair of driving optical systems disposed at a predetermined distance from each other, each driving optical system comprising an optical system having a light projector which projects pulse light having a specific code toward the car which is ahead of the one's car and a light receiver which receives the reflected pulse light from the car ahead, the light projector and receiver being disposed in so close proximity to each other that the respective optical axes can be considered to be on substantially the same axis, and a driving system for adjusting the angle of projection of the light projector on the basis of a signal from the light receiver. The apparatus further has a central processing unit which measures the angle of projection of the pulse light from the light projector when the light receiver of each of the driving optical systems detects the reflected pulse light, thereby detecting the distance between the one's car and the car ahead, together with the angle between the axes of the two cars.
    • 一种用于检测轿厢与前方轿厢之间的距离的装置,以及两车的轴线之间的角度。 该装置具有彼此隔开预定距离的一对驱动光学系统,每个驱动光学系统包括一个光学系统,该光学系统具有一个投光器,该光学系统将具有特定代码的脉冲光投射到在汽车前方的轿厢,以及 光接收器,其从前方接收反射的脉冲光,所述光投射器和接收器设置成彼此非常接近,使得各个光轴可以被认为在基本上相同的轴上;以及驱动系统,用于调整 基于来自光接收器的信号的投影仪的投影角度。 该装置还具有中央处理单元,当每个驱动光学系统的光接收器检测到反射的脉冲光时,该中央处理单元测量来自该投影仪的脉冲光的投影角度,从而检测该车辆与该车辆之间的距离 在前面,与两辆车的轴线之间的角度。
    • 66. 发明申请
    • INDUCTION COOKING APPLIANCE
    • 电感烹饪用具
    • US20120152933A1
    • 2012-06-21
    • US13393489
    • 2011-03-14
    • Eiji MatsuiAkira KataokaTakehiko ShigeokaTakaaki KusakaKenji Ogawa
    • Eiji MatsuiAkira KataokaTakehiko ShigeokaTakaaki KusakaKenji Ogawa
    • H05B6/12H05B6/42
    • H05B6/1263H05B2206/022
    • To reduce the air exhausted to outside a main body after cooling a heat generating component from being taken in again from an intake port. The flow of cooling wind cooled the heat generating component is discharged from an exhaust port 21 at other than a first peripheral wall 19 with the flow bent inside the main body. When rectified inside the main body and discharged from the exhaust port 21, the cooling wind grows to a flow speed of a certain extent to become an exhaust air that a flowing direction is clearly defined, so that it is less likely to be taken in again from the intake port 20, it is less likely to be subjected to the influence of obstacles of the exhaust port, use can be made in a kitchen cabinet of the intake and exhaust air at the back side, and it is satisfactory and is less likely to be damaged without involving sense of unpleasantness by the exhaust air to the user.
    • 为了减少在将发热部件从进气口再次吸入后冷却排出到主体外部的空气。 冷却发热部件的冷却风流从第一周壁19以外的排气口21排出,其流动在主体内弯曲。 当在主体内部被整流并从排气口21排出时,冷却风增长到一定程度的流动速度,成为流动方向明确限定的排气,从而不太可能再次被吸入 从进气口20不太可能受到排气口的障碍物的影响,可以在厨房橱柜中使用后排的进气排气,并且是令人满意的,并且不太可能 被损坏而不会引起排气对使用者的不愉快感。
    • 70. 发明申请
    • ANTENNA DEVICE
    • 天线设备
    • US20110148724A1
    • 2011-06-23
    • US13059625
    • 2009-08-11
    • Kenji Ogawa
    • Kenji Ogawa
    • H01Q13/18H01Q9/06
    • H01Q9/0421H01Q1/243H01Q1/36H01Q5/321H01Q5/371H01Q9/42
    • Disclosed is an antenna device that achieves greater reduction in size and a wider bandwidth. The antenna device has a box-type antenna element (102) and a folded-back monopole element (107), which are connected. The device is grounded via a grounding terminal (103) at one apex of the box-type antenna element (102), and is also connected to an electricity supply unit (106) of a substrate (101) via a feed terminal (105) at the apex which forms a long side with the grounded apex. In addition, the length from the grounding point (104) of the box-type antenna element (102) to the tip of the monopole element (107) is set to one-quarter the wavelength of a first resonant frequency, and the length from the electricity supply unit (106) to the tip of the monopole element (107) is set to one-quarter the wavelength of a second resonant frequency.
    • 公开了一种实现更大尺寸减小和更宽带宽的天线装置。 天线装置具有连接的盒式天线元件(102)和折回式单极子元件(107)。 该装置经由盒型天线元件(102)的一个顶点处的接地端子(103)接地,并且还经由馈电端子(105)连接到基板(101)的电力供应单元(106) 在形成具有接地顶点的长边的顶点处。 此外,从盒型天线元件(102)的接地点(104)到单极元件(107)的尖端的长度被设置为第一谐振频率的波长的四分之一,并且从 到单极元件(107)的尖端的供电单元(106)被设置为第二共振频率的波长的四分之一。