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    • 1. 发明授权
    • Apparatus, method, and program for measuring optical characteristic using quantum interference, and recording medium for recording the program
    • 用于使用量子干涉测量光学特性的装置,方法和程序,以及用于记录该程序的记录介质
    • US07046366B2
    • 2006-05-16
    • US10643907
    • 2003-08-20
    • Takeshi OzekiTakashi Kido
    • Takeshi OzekiTakashi Kido
    • G01B9/02
    • G01M11/338G01M11/331
    • To enable measuring optical characteristics of a device under test by overcoming a limit of detection sensitivity caused by detecting light as “wave”. Of an entangled photon pair generated by entangled photon pair generating means 20, signal light transmits through a device under test (DUT) 10, and idler light transmits through a variable delay line 30. The signal light after transmitting through the device under test (DUT) 10, and the idler light after transmitting through the variable delay line 30 are supplied for a semi-transparent mirror 40 to generate quantum interference. Then, if the timing when photon of the first multiplexed light is detected by a first photon detector 50a, and the timing when photon of the second multiplexed light is detected by a second photon detector 50b match, a multiplier 62 supplies a pulse, and a counter 64 counts the pulse. Based on the count, characteristic measuring means 70 obtains match detection probability, thereby measuring optical parameters of the device under test. Since the measurement uses the quantum interference, it is possible to measure the optical characteristics of the device under test at a high accuracy, and in a wide dynamic range.
    • 通过克服由“检测”光引起的检测灵敏度极限,能够测试被测器件的光学特性。 在由纠缠的光子对产生装置20产生的纠缠的光子对中,信号光通过被测器件(DUT)10传输,并且惰轮通过可变延迟线30传输。 通过被测器件(DUT)10发送后的信号光以及通过可变延迟线30发送后的空载光被提供给半透明反射镜40以产生量子干涉。 然后,如果由第一光子检测器50a检测到第一多路复用光的光子的定时,并且通过第二光子检测器50b检测到第二多路复用光的光子的定时匹配,则乘法器62将脉冲, 并且计数器64对脉冲进行计数。 基于该计数,特性测量装置70获得匹配检测概率,由此测量被测设备的光学参数。 由于测量使用量子干涉,因此可以以高精度和宽动态范围测量被测器件的光学特性。
    • 2. 发明申请
    • Apparatus, method, and program for measuring optical characteristic using quantum interference, and recording medium for recording the program
    • 用于使用量子干涉测量光学特性的装置,方法和程序,以及用于记录该程序的记录介质
    • US20050078315A1
    • 2005-04-14
    • US10643907
    • 2003-08-20
    • Takeshi OzekiTakashi Kido
    • Takeshi OzekiTakashi Kido
    • G01J3/45G01B9/02G01M11/00G01M11/02
    • G01M11/338G01M11/331
    • To enable measuring optical characteristics of a device under test by overcoming a limit of detection sensitivity caused by detecting light as “wave”. Of an entangled photon pair generated by entangled photon pair generating means 20, signal light transmits through a device under test (DUT) 10, and idler light transmits through a variable delay line 30. The signal light after transmitting through the device under test (DUT) 10, and the idler light after transmitting through the variable delay line 30 are supplied for a semi-transparent mirror 40 to generate quantum interference. Then, if the timing when photon of the first multiplexed light is detected by a first photon detector 50a, and the timing when photon of the second multiplexed light is detected by a second photon detector 50b match, a multiplier 62 supplies a pulse, and a counter 64 counts the pulse. Based on the count, characteristic measuring means 70 obtains match detection probability, thereby measuring optical parameters of the device under test. Since the measurement uses the quantum interference, it is possible to measure the optical characteristics of the device under test at a high accuracy, and in a wide dynamic range.
    • 通过克服由“检测”光引起的检测灵敏度极限,能够测试被测器件的光学特性。 在由纠缠的光子对产生装置20产生的纠缠的光子对中,信号光通过被测器件(DUT)10传输,并且惰轮通过可变延迟线30传输。在通过被测器件(DUT) )10,并且通过可变延迟线30发送之后的惰轮被提供给半透明反射镜40以产生量子干涉。 然后,如果由第一光子检测器50a检测到第一多路复用光的光子的定时,并且通过第二光子检测器50b检测到第二多路复用光的光子的定时匹配,则乘法器62提供脉冲, 计数器64计数脉冲。 基于该计数,特性测量装置70获得匹配检测概率,由此测量被测设备的光学参数。 由于测量使用量子干涉,因此可以以高精度和宽动态范围测量被测器件的光学特性。
    • 5. 发明授权
    • Optical network analyzer
    • 光网络分析仪
    • US07079231B2
    • 2006-07-18
    • US11273693
    • 2005-11-14
    • Takashi KidoShoji Niki
    • Takashi KidoShoji Niki
    • G01N21/00
    • G01M11/338
    • An optical network analyzer for measuring an optical characteristic of an object to be measured, including: a first multiplexer for multiplexing a first optical signal which has transmitted the object to be measured, and a second optical signal having a frequency different from the first optical signal, and for outputting a third optical signal; a first photoelectrical converter for converting the third optical signal into a first electric signal; and a phase measurement block for comparing phases of the first electric signal and a first reference signal.
    • 一种用于测量待测物体的光学特性的光网络分析仪,包括:第一多路复用器,用于复用已发送被测物体的第一光信号和具有与第一光信号不同的频率的第二光信号 并且用于输出第三光信号; 第一光电转换器,用于将第三光信号转换成第一电信号; 以及用于比较第一电信号和第一参考信号的相位的相位测量块。
    • 7. 发明授权
    • Antenna for a portable radio telephone
    • 便携式无线电话天线
    • US5774794A
    • 1998-06-30
    • US420406
    • 1995-04-12
    • Takashi Kido
    • Takashi Kido
    • H01Q1/50H01Q1/24H04B1/18H04B7/26H04B1/034
    • H01Q1/244
    • An antenna for radio communications such as portable telephone systems including a rod-form antenna element installed in the case of a radio communication set so that the antenna element can be retracted and pulled out with one portion of the antenna element remains outside of the case when the antenna element is accommodated inside the case; an impedance matching device connected to the feeding point of the antenna element and to the radio communication set; a stub which is a grounded conductive member and is installed so as to surround the outer circumference of the antenna element without touching the antenna element when the antenna element is accommodated inside the case. The base end of the antenna element and the base end of the stub are electrically coupled when the antenna element is completely accommodated inside the case so that good impedance matching can be obtained even when the antenna element is accommodated inside the case and that incoming calls are received without any failure.
    • 一种用于无线电通信的天线,例如便携式电话系统,包括在无线电通信设置的情况下安装的杆形天线元件,使得天线元件可以与天线元件的一部分一起缩回和拉出,保持在外壳的外部, 天线元件容纳在壳体内; 连接到天线元件的馈电点和无线电通信装置的阻抗匹配装置; 作为接地导电构件的短截线,并且当天线元件容纳在壳体内部时,被安装成围绕天线元件的外周而不接触天线元件。 当天线元件完全容纳在壳体内部时,天线元件的基端和短截线的基端电耦合,使得即使将天线元件容纳在壳体内也可以获得良好的阻抗匹配,并且来电是 收到没有任何失败。
    • 8. 发明授权
    • Broad band mobile telephone antenna
    • 宽带移动电话天线
    • US5539418A
    • 1996-07-23
    • US191444
    • 1994-02-03
    • Shigeru EgashiraTakuji HaradaTakashi KidoEiji Tezuka
    • Shigeru EgashiraTakuji HaradaTakashi KidoEiji Tezuka
    • H01Q1/32H01Q9/04
    • H01Q9/0464H01Q1/3275H01Q9/0407
    • A broad band mobile telephone antenna comprises a first conductive circular plate and a second conductive circular plate. The first plate is located above and in parallel with the second plate. The diameter of the second plate is equal to or larger than that of the first plate. The second plate is used as a ground plate, is attached on a body of an automobile. A short-circuit rod, for matching an impedance between the first plate used as an antenna and a coaxial feeder cable for the antenna, is connected between the first and second plates. An upper end of a core rod is connected to the first plate at the substantial center thereof. A lower end of the core rod is extended toward an opening formed in the substantial center of the second plate. The opening is connected to a connector which is placed inside the automobile through an opening formed in the body. The connector connects the core rod and the coaxial cable which is connected to a transmitter/receiver of a mobile telephone system. The inner conductive wire of the coaxial cable is connected to the core rod and the outer conductive sheath is connected to the ground potential.
    • 宽带移动电话天线包括第一导电圆形板和第二导电圆形板。 第一板位于第二板上方并与第二板平行。 第二板的直径等于或大于第一板的直径。 第二板用作接地板,附着在汽车的车体上。 用于匹配用作天线的第一板之间的阻抗和用于天线的同轴馈线电缆的短路杆连接在第一和第二板之间。 芯杆的上端在其大致中心处连接到第一板。 芯棒的下端朝向形成在第二板的大致中心的开口延伸。 开口连接到通过形成在体内的开口放置在汽车内部的连接器。 连接器连接芯棒和连接到移动电话系统的发射器/接收器的同轴电缆。 同轴电缆的内导线连接到芯棒,外导电护套连接到地电位。