公开(公告)号：US4444462A

公开(公告)日：1984-04-24

申请号：US297177

申请日：1981-08-28

申请人： Kimizo Ono ,  Yoshikazu Nishiwaki ,  Koichi Tsuno ,  Tohru Iwai ,  Mitsuru Nishikawa

发明人： Kimizo Ono ,  Yoshikazu Nishiwaki ,  Koichi Tsuno ,  Tohru Iwai ,  Mitsuru Nishikawa

IPC分类号： G02B6/06 ,  G02B5/17

CPC分类号： G02B6/06

摘要： A protective lid is provided in front of an image-forming lens mounted on the forward end of a picture image transmission line which comprises plural optical fibers bundled in alignment to be remotely controlled from the back end of the transmission line for opening/closing so that the image-forming lens may be protected from particles, vapor or poisonous gas when the transmission line is used in such atmosphere, thereby preventing deterioration of the quality of picture images to be formed.

摘要翻译： 在安装在图像传输线的前端的图像形成透镜的前方设置有保护盖，该图像形成透镜线包括从传输线的后端对准的多个光纤对齐以进行开/关，以便 当在这种大气中使用传输线时，图像形成透镜可以被保护免受颗粒，蒸汽或有毒气体的影响，从而防止将要形成的图像质量的劣化。

公开(公告)号：US4429392A

公开(公告)日：1984-01-31

申请号：US332776

申请日：1981-12-21

申请人： Kenichi Yoshida ,  Kimizo Ono ,  Katsuyoshi Sunago ,  Shinya Takenaka ,  Tohru Iwai

发明人： Kenichi Yoshida ,  Kimizo Ono ,  Katsuyoshi Sunago ,  Shinya Takenaka ,  Tohru Iwai

IPC分类号： H01S3/036 ,  H01S3/10

CPC分类号： H01S3/036

摘要： Signals for controlling the discharge current and laser gas pressure are provided in predetermined combination in accordance with a selected laser output level.

摘要翻译： 用于控制放电电流和激光气体压力的信号根据所选择的激光输出电平以预定的组合提供。

公开(公告)号：US4983984A

公开(公告)日：1991-01-08

申请号：US125665

申请日：1987-11-25

申请人： Yoshizo Shibano ,  Haruo Suzuki ,  Tohru Iwai

发明人： Yoshizo Shibano ,  Haruo Suzuki ,  Tohru Iwai

IPC分类号： G08G1/09 ,  G01S1/04 ,  G01S1/68 ,  G08G1/0967 ,  G08G1/0968 ,  G08G1/13

CPC分类号： G08G1/096783 ,  G01S1/04 ,  G08G1/096716 ,  G08G1/096758

摘要： In a roadside beacon system for transmitting to vehicles moving along roads, signals on position and direction, linearly polarizing antennas mounted to be stationarey either beside or above the roads and other linearly polarizing antennas mounted to be mobile on the vehicles. The downwardly transmitting stationary and the upwardly receiving mobile antennas have matching linear polarizations when the vehicle is traveling on the road adjacent to the antenna but a mobile antenna will have reduced sensitivity when moving on a road at a different angle.

公开(公告)号：US4887090A

公开(公告)日：1989-12-12

申请号：US105374

申请日：1987-10-07

申请人： Yoshizo Shibano ,  Haruo Suzuki ,  Tohru Iwai

发明人： Yoshizo Shibano ,  Haruo Suzuki ,  Tohru Iwai

IPC分类号： H01Q13/08 ,  G01S1/68 ,  G08G1/13 ,  H01Q1/32 ,  H01Q3/30 ,  H01Q9/04 ,  H01Q13/18 ,  H01Q21/08 ,  H01Q21/22 ,  H01Q25/00 ,  H01Q25/02

CPC分类号： H01Q3/30 ,  G08G1/13 ,  H01Q1/3225 ,  H01Q25/002

摘要： An antenna for vehicle mounting in a roadside beacon system comprising a ground plane, a shorting board transverse to the grounding plane and two antenna boards attached to the top of the shorting boards in parallel to the ground plane. Two signal feeding points are symmetrically placed in the ground plane on either side of the shorting board. Depending on whether the two signals are phase shifted with respect to each other the antenna gain pattern is directed sidewardly with high gain or upwardly with low gain.

摘要翻译： 一种用于车辆安装在路边信标系统中的天线，包括接地平面，垂直于接地平面的短路板和平行于接地平面连接到短路板顶部的两个天线板。 两个信号馈电点对称地放置在短路板两侧的接地平面上。 取决于两个信号是否相对于彼此相移，天线增益图以高增益向左指向，而向上以低增益指向。

公开(公告)号：US4823138A

公开(公告)日：1989-04-18

申请号：US133393

申请日：1987-12-15

申请人： Yoshizo Shibano ,  Haruo Suzuki ,  Tohru Iwai

发明人： Yoshizo Shibano ,  Haruo Suzuki ,  Tohru Iwai

IPC分类号： G01S1/14 ,  G08G1/13 ,  G01S3/02 ,  G01S1/08 ,  G08G1/12

CPC分类号： G08G1/13 ,  G01S1/14

摘要： A roadside beacon system having improved reliability in the face of multi-path fading and the presence of large vehicles or the like which shield or scatter the received signal. The roadside antenna is of the split beam type. In the navigation system on the vehicle, the received signal is divided into two parts. The first part is smoothed and its level detected to determine when the vehicle is approaching an antenna. The remaining signal is then employed directly to detect the null in the transmitted beam when the vehicle passes directly in front of the antenna.

公开(公告)号：US06521829B2

公开(公告)日：2003-02-18

申请号：US10117092

申请日：2002-04-08

申请人： Kazuhito Matsumura ,  Kenichi Yoshida ,  Tohru Iwai ,  Hidekazu Nakata ,  Masato Yoshizawa

发明人： Kazuhito Matsumura ,  Kenichi Yoshida ,  Tohru Iwai ,  Hidekazu Nakata ,  Masato Yoshizawa

IPC分类号： H05K900

CPC分类号： H05K9/0088 ,  Y10T29/49801 ,  Y10T428/12556 ,  Y10T428/12569

摘要： An electromagnetic wave absorbing sheet S is disclosed. The absorbing sheet S includes a laminated-structural layer of a nonwoven fabric sheet 10 and a metallic layer 22 such as iron, aluminums, copper or their alloy which is disposed on a bottom surface of the metallic layer 22. The nonwoven fabric sheet 10 includes non-metallic fibers 16 having no binding faculty, non-metallic binding fibers 14 having binding faculty which are melted by heat to bind neighboring fibers, and metallic fibers 12 having an irregular cross-section and being produced by shaving a metallic wire or rod, that are dispersed uniformly in the nonwoven fiber layer or layers.

摘要翻译： 公开了电磁波吸收片S。 吸收片S包括非织造织物片10的层压结构层和设置在金属层22的底面上的诸如铁，铝，铜或它们的合金的金属层22.无纺织物片10包括 不具有结合力的非金属纤维16，具有通过热熔化以结合相邻纤维的结合剂的非金属结合纤维14以及具有不规则横截面的金属纤维12，并且通过剃刮金属线或棒来制造， 均匀地分散在非织造纤维层中。

公开(公告)号：US5815795A

公开(公告)日：1998-09-29

申请号：US686034

申请日：1996-07-25

申请人： Tohru Iwai

发明人： Tohru Iwai

IPC分类号： H04J3/00 ,  H04B1/60 ,  H04B7/155 ,  H04B7/26 ,  H04B17/40 ,  H04J3/08

CPC分类号： H04B1/60 ,  H04B7/15564

摘要： An oscillation detecting apparatus for detecting an oscillation of a wireless repeater intervening between a base station and a mobile station brought in communication with each other through a TDMA system. The wireless repeater produces an input signal based on a radio wave transmitted from one of the base station and the mobile stations, and amplifies the input signal to produce an output signal. The output signal is transmitted from the wireless repeater to the other of the base station and the mobile station. The oscillation detecting apparatus comprises producing apparatus for producing a power level signal varied in proportion with an amplitude of the output signal. The power level signal is formed by, for example, an envelope of the output signal. The oscillation detecting apparatus further comprises first detecting apparatus for detecting a direct current component included in the power level signal, and second detecting apparatus for detecting an alternating current component included in the power level signal. The oscillation detecting apparatus further comprises first judging apparatus for judging whether the direct current component of the power level signal has reached a predetermined upper-limiting level, and second judging apparatus for judging whether the alternating current component of the power level signal is smaller than a predetermined criterion level. The oscillation detecting apparatus includes deciding apparatus for deciding that the wireless repeater is oscillating when both judgments are affirmative, thereby making it possible to enhance the accuracy of the oscillation detection.

摘要翻译： 一种用于检测通过TDMA系统彼此通信的基站和移动台之间的无线中继器的振荡的振荡检测装置。 无线中继器基于从基站和移动台之一发射的无线电波产生输入信号，并放大输入信号以产生输出信号。 输出信号从无线中继器发送到基站和移动台的另一个。 振荡检测装置包括产生与输出信号的幅度成比例变化的功率电平信号的制造装置。 功率电平信号由例如输出信号的包络形成。 振荡检测装置还包括用于检测包括在功率电平信号中的直流分量的第一检测装置和用于检测包括在功率电平信号中的交流分量的第二检测装置。 所述振荡检测装置还具备判断所述功率电平信号的直流分量是否达到预定的上限电平的第一判断装置，以及用于判断所述功率电平信号的交流分量是否小于 预定标准水平。 振荡检测装置包括当两个判断都是肯定的时候判定无线中继器正在振荡的决定装置，从而可以提高振荡检测的精度。

公开(公告)号：US4833481A

公开(公告)日：1989-05-23

申请号：US075904

申请日：1987-07-20

申请人： Yoshizo Shibano ,  Haruo Suzuki ,  Tohru Iwai

发明人： Yoshizo Shibano ,  Haruo Suzuki ,  Tohru Iwai

IPC分类号： G01S1/14

CPC分类号： G01S1/14

摘要： A roadside antenna system permitting the transmission of data to a vehicular navigation system and providing for the recalibration of positional data carried by the navigation system includes an antenna structure and transmitter system which permits the data transmission signal to be broadcast in a wide pattern. Meanwhile, the signal that provides for positional recalibration is broadcast in a high directivity signal or split beam. The positional accuracy of the navigator system is improved by performing the positional calibration only when intercepting the narrow beam pattern. Data transmission and reception can be carried out within a larger effective reception area without affecting the positional accuracy.

摘要翻译： 允许将数据传输到车辆导航系统并提供对导航系统携带的位置数据的重新校准的路边天线系统包括允许以宽模式广播数据传输信号的天线结构和发射机系统。 同时，提供位置重新校准的信号以高方向性信号或分离光束广播。 导航系统的位置精度通过仅在截取窄波束图形时执行位置校准来提高。 可以在更大的有效接收区域内执行数据发送和接收，而不会影响位置精度。