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81. 发明授权

US08235753B2 Contact, and card adaptor and card connector having the same 有权
公开(公告)号：US08235753B2
公开(公告)日：2012-08-07
申请号：US13351805
申请日：2012-01-17
申请人： Akihiro Tanaka , Yasuo Nakai
发明人： Akihiro Tanaka , Yasuo Nakai
IPC分类号： H01R14/00
CPC分类号： H01R12/57 , H01R12/714 , H01R12/87 , H01R13/2442 , H01R13/447 , H01R13/6583 , H01R31/06 , H01R43/16
摘要： In a contact of the present invention, a first plate spring piece portion 11c having a first fulcrum portion 11b in one side extends in a cantilevered manner from the first fulcrum portion 11b in a direction opposite to a card insertion direction so as to be elastically deformable in a thickness direction of the card. A second plate spring piece portion 11e having in one side a second fulcrum portion 11d which is the other side of the first plate spring piece portion 11c is formed in a shape where the second plate spring piece portion extends at an inclination angle from the second fulcrum portion 11d in the card insertion direction so as to be elastically deformable in the card thickness direction. The other side of the second plate spring piece portion 11e is to be contacted with the contact pad 2 of the card 1.

82. 发明授权

US08171354B2 Communication system and method for controlling the same 有权
标题翻译：通信系统及其控制方法
公开(公告)号：US08171354B2
公开(公告)日：2012-05-01
申请号：US13018486
申请日：2011-02-01
申请人： Akihiro Tanaka , Akio Tajima , Seigo Takahashi , Wakako Maeda
发明人： Akihiro Tanaka , Akio Tajima , Seigo Takahashi , Wakako Maeda
IPC分类号： G06F11/00 , G01R31/28
CPC分类号： H04L1/242 , H04L9/0858 , H04L2209/34
摘要： For an error rate QBER, threshold values are preset, including a threshold value Qbit for frame synchronization processing, a threshold value Qphase for phase correction processing, and a threshold value QEve for eavesdropping detection. Upon the distribution of a quantum key from a sender to a receiver, when the measurement value of QBER is deteriorated more than Qbit, frame synchronization processing is performed. When the measurement value of QBER is deteriorated more than Qphase, phase correction processing and frame synchronization processing are performed. When QBER does not become better than QEve even after these recovery-processing steps are repeated N times, it is determined that there is a possibility of eavesdropping, and the processing is stopped.
摘要翻译：对于错误率QBER，预设阈值，包括帧同步处理的阈值Qbit，相位校正处理的阈值Qphase和用于窃听检测的阈值QEve。当量子密钥从发送方分配到接收方时，当QBER的测量值恶化到比Qbit多的时候，执行帧同步处理。当QBER的测量值劣于Qphase时，执行相位校正处理和帧同步处理。即使在重复了N次这些恢复处理步骤之后，当QBER不比QEve变得更好时，确定存在窃听的可能性，并且停止处理。

83. 发明授权

US07979872B2 Lens actuator, optical pickup device, and optical recording and reproducing apparatus 有权
标题翻译：透镜致动器，光学拾取装置和光学记录和再现装置
公开(公告)号：US07979872B2
公开(公告)日：2011-07-12
申请号：US12022847
申请日：2008-01-30
申请人： Akihiro Tanaka
发明人： Akihiro Tanaka
IPC分类号： G11B7/09
CPC分类号： G11B7/0935 , G11B7/1275 , G11B7/1353 , G11B7/13925 , G11B2007/0006
摘要： A disclosed lens actuator includes: an objective lens condensing a light beam on an optical storage medium; a diffractive element providing compatibility with plural types of optical storage media relative to light sources of plural different wavelengths; and a lens holder including the objective lens and diffractive element in an opposing manner. The objective lens is driven with the lens holder in at least a focusing direction and tracking direction relative to the optical storage medium. At least three protrusions are set on the lens holder in directions orthogonal to an optical axis of the objective lens. Another disclosed lens actuator includes: an objective lens and a drive coil disposed on a lens holder, wherein a diffractive element is disposed on the lens holder via an inertia weight including a metallic material and disposed so as to face the objective lens.
摘要翻译：公开的透镜致动器包括：将光束聚光在光学存储介质上的物镜; 提供与多种类型的光学存储介质相对于多种不同波长的光源的兼容性的衍射元件; 以及以相对的方式包括物镜和衍射元件的透镜架。物镜相对于光存储介质至少在聚焦方向和跟踪方向上由透镜架驱动。至少三个凸起在与物镜的光轴正交的方向上设置在透镜架上。另一公开的透镜致动器包括：物镜和设置在透镜保持器上的驱动线圈，其中衍射元件经由包括金属材料的惯性重量设置在透镜保持器上并且被设置为面对物镜。

84. 发明授权

US07974540B2 Communication system and communication method using the same 有权
标题翻译：通信系统和通信方法使用相同
公开(公告)号：US07974540B2
公开(公告)日：2011-07-05
申请号：US10581037
申请日：2004-11-29
申请人： Akihisa Tomita , Kazuo Nakamura , Akio Tajima , Akihiro Tanaka , Yoshihiro Nanbu , Shuuji Suzuki , Takeshi Takeuchi , Wakako Maeda , Seigo Takahashi
发明人： Akihisa Tomita , Kazuo Nakamura , Akio Tajima , Akihiro Tanaka , Yoshihiro Nanbu , Shuuji Suzuki , Takeshi Takeuchi , Wakako Maeda , Seigo Takahashi
IPC分类号： H04J14/06 , H04L9/00 , G02F1/01 , G02B5/30
CPC分类号： H04L9/0858
摘要： A communication system capable of employing polarization-dependent phase modulators with a reversing configuration that preserves security against disturbance of a polarization state at a transmission path but without using Faraday mirrors and a communication method using the same are provided.A quantum cryptography system of the present invention includes a first station 1, a transmission path 2, and a second station 3. The first station 1 has means for emitting time-divided optical pulses into the transmission path 2 and measuring a phase difference between the optical pulses returning from the transmission path 2. The transmission path 2 is a medium of light. The second station 3 has means for reversing traveling directions of the optical pulses, means for producing a phase difference, corresponding to a random number bit value to be transmitted, between the time-divided optical pulses, means for splitting the entering optical pulse into orthogonally polarized components and producing a 180-degree phase difference therebetween, means for rotating each polarization direction by 90 degrees, means for eliminating a component resulting from a deviation from the polarization rotation angle of 90 degrees, and means for attenuating optical pulse intensity to include no more than 1 photon per bit.
摘要翻译：一种能够采用具有反转配置的偏振相关相位调制器的通信系统，其提供了防止在传输路径上的偏振状态的干扰的安全性，但是不使用法拉第镜和使用其的通信方法。本发明的量子密码系统包括第一站1，传输路径2和第二站3.第一站1具有将时分光脉冲发射到传输路径2中的装置，从传输路径2返回的光脉冲。传输路径2是光的介质。第二站3具有用于反转光脉冲的行进方向的装置，用于在分时光脉冲之间产生与要发送的随机数位值相对应的相位差的装置，用于将进入的光脉冲分成正交的装置偏振分量，并产生180度的相位差，使每个偏振方向旋转90度的装置，用于消除由偏振旋转角度90度偏差产生的分量的装置，以及用于衰减光脉冲强度的装置，每位多于1个光子。

85. 发明申请

US20100195831A1 QUANTUM KEY DISTRIBUTION SYSTEM, OPTICAL TRANSMITTER, OPTICAL MODULATION CONTROL CIRCUIT, AND OPTICAL MODULATION CONTROL METHOD 有权
标题翻译：量子钥匙分配系统，光发射机，光调制控制电路和光调制控制方法
公开(公告)号：US20100195831A1
公开(公告)日：2010-08-05
申请号：US12668919
申请日：2008-07-09
申请人： Akihiro Tanaka , Akio Tajima , Seigo Takahashi , Wakako Maeda
发明人： Akihiro Tanaka , Akio Tajima , Seigo Takahashi , Wakako Maeda
IPC分类号： H04L9/08 , G02F1/01 , H04B10/04
CPC分类号： H04L9/0858 , H04B10/548
摘要： In a quantum cryptographic transmitter (11), a phase modulator (1103, 1104) and an LN intensity modulator (1105) apply optical phase modulation and light intensity modulation to an optical signal based on desired data to generate a desired optical signal to be transmitted to a quantum cryptographic receiver (13). Based on the number of photons detected from the desired optical signal, a bias control circuit (1108) controls an operating point in light intensity modulation of the LN intensity modulator (1105).
摘要翻译：在量子密码发射机（11）中，相位调制器（1103,1104）和LN强度调制器（1105）根据期望的数据向光信号应用光相位调制和光强度调制，以产生要传输的所需光信号到量子密码接收器（13）。基于从期望的光信号检测到的光子的数量，偏置控制电路（1108）控制LN强度调制器（1105）的光强度调制中的工作点。

86. 发明授权

US07734757B2 Method and system for managing shared information 有权
标题翻译：管理共享信息的方法和系统
公开(公告)号：US07734757B2
公开(公告)日：2010-06-08
申请号：US12000471
申请日：2007-12-13
申请人： Wakako Maeda , Akio Tajima , Seigo Takahashi , Akihiro Tanaka
发明人： Wakako Maeda , Akio Tajima , Seigo Takahashi , Akihiro Tanaka
IPC分类号： G06F15/173
CPC分类号： H04L63/065 , H04L9/0858 , H04L63/0428 , H04L63/06
摘要： A method and system for allowing communication devices to synchronously manage shared information are provided. A sender sends single-photon pulses modulated with original random numbers to a receiver and also sends frame pulses by using ordinary optical pulses. Bit comparison and basis reconciliation are performed by the frame which is defined by the frame pulses, whereby sifted keys, which are aggregated as a file, are generated by the sender and the receiver individually. The sifted keys are subjected to error correction, privacy amplification, and file sharing processing by the file, whereby common cryptographic keys are synchronously stored in the sender and the receiver individually. The generated cryptographic keys are managed as encryption keys and decryption keys separately. A newly generated key is preferentially placed in the encryption keys or decryption keys that have a smaller stored amount.
摘要翻译：提供了允许通信设备同步管理共享信息的方法和系统。发送方发送用原始随机数调制的单光子脉冲到接收机，并且通过使用普通光脉冲发送帧脉冲。比特比较和基础协调由帧脉冲定义的帧执行，由此发送者和接收者分别生成作为文件聚合的筛选的密钥。筛选的密钥经过文件的纠错，隐私放大和文件共享处理，从而公共密码密钥被单独地同步地存储在发送器和接收器中。生成的加密密钥分别作为加密密钥和解密密钥进行管理。新产生的密钥优先放置在具有较小存储量的加密密钥或解密密钥中。

87. 发明申请

US20100088750A1 TERMINAL APPARATUS, SERVER AND SYSTEM THEREOF 有权
标题翻译：终端设备，服务器和系统
公开(公告)号：US20100088750A1
公开(公告)日：2010-04-08
申请号：US12444880
申请日：2008-08-08
申请人： Ryuichi Okamoto , Tohru Nakahara , Akihiro Tanaka , Shinya Kemi , Koji Miura , Atsunori Sakurai , Tohru Wakabayashi , Hiroki Murakami
发明人： Ryuichi Okamoto , Tohru Nakahara , Akihiro Tanaka , Shinya Kemi , Koji Miura , Atsunori Sakurai , Tohru Wakabayashi , Hiroki Murakami
IPC分类号： G06F21/00
CPC分类号： G06Q10/10 , G06F21/10 , G06Q10/06
摘要： A terminal apparatus is provided which can guarantee operation of a use condition bytecode while securing the degree of freedom for a service provider generating the use condition bytecode. A terminal apparatus (300), in which a license (1200) includes a use condition determining logic code (1204) and a version number (1202), includes a license obtainment unit (304) which obtains the license (1200), a use condition verification unit (302) which determines, based on the version number (1202), whether or not the operation of the use condition determining logic code (1204) has been confirmed, a use condition bytecode execution unit (303) which executes the use condition determining logic code (1204) when the operation of the use condition determining logic code (1204) has been determined to have been confirmed, and a content playback unit (306) which playbacks content based on the use condition determining logic code (1204).
摘要翻译：提供一种终端装置，其可以确保使用条件字节码的操作，同时确保生成使用条件字节码的服务提供者的自由度。一种许可证（1200）包括使用条件确定逻辑代码（1204）和版本号（1202）的终端装置（300），包括获得许可证的许可证获取单元（1200），使用条件验证单元（302），其基于版本号（1202）确定是否已经确认了使用条件确定逻辑代码（1204）的操作;使用条件字节码执行单元（303），其执行使用当确定使用条件确定逻辑代码（1204）的操作已被确定时的条件确定逻辑代码（1204）以及基于使用条件确定逻辑代码（1204）播放内容的内容重放单元（306）。

88. 发明申请

US20100048845A1 Hyperbranched polymer and method for producing the same 有权
标题翻译：超支化聚合物及其制备方法
公开(公告)号：US20100048845A1
公开(公告)日：2010-02-25
申请号：US12310543
申请日：2007-08-29
申请人： Kei Yasui , Masaaki Ozawa , Akihiro Tanaka , Hiroki Takemoto
发明人： Kei Yasui , Masaaki Ozawa , Akihiro Tanaka , Hiroki Takemoto
IPC分类号： C08F128/02
CPC分类号： C08F2/38 , C08F8/00 , C08F8/22 , C08F8/26 , C08F8/30 , C08F8/32 , C08F8/44 , C08G83/005 , C08F112/14
摘要： Disclosed is a novel optically stable hyperbranched polymer whose molecular terminal can be derivatized with various compounds; and a method for producing such a polymer. Specifically disclosed is a hyperbranched polymer having a structure represented by Formula (1) wherein a halogen atom is at a molecular terminal. The hyperbranched polymer can be obtained by substituting the molecular terminal dithiocarbamate group of a hyperbranched polymer having a dithiocarbamate group at a molecular terminal, which is obtained by living radical polymerization of a dithiocarbamate compound having a vinyl group structure, with a halogen atom. Also disclosed is a hyperbranched polymer wherein an amino group or an ammonium group is at a molecular terminal instead of a halogen atom.
摘要翻译：公开了一种新型光学稳定的超支化聚合物，其分子末端可以用各种化合物衍生化; 和这种聚合物的制造方法。具体公开了具有由式（1）表示的结构的超支化聚合物，其中卤素原子在分子末端。超支化聚合物可以通过在具有乙烯基结构的二硫代氨基甲酸酯化合物的活性自由基聚合与卤素原子的分子末端取代具有二硫代氨基甲酸酯基团的超支化聚合物的分子末端二硫代氨基甲酸酯基团来获得。还公开了一种超支化聚合物，其中氨基或铵基位于分子末端而不是卤素原子。

89. 发明授权

US07616765B2 Method and system for generating shared information 有权
标题翻译：生成共享信息的方法和系统
公开(公告)号：US07616765B2
公开(公告)日：2009-11-10
申请号：US11261669
申请日：2005-10-31
申请人： Wakako Maeda , Akio Tajima , Akihiro Tanaka
发明人： Wakako Maeda , Akio Tajima , Akihiro Tanaka
IPC分类号： H04K1/00 , H04L9/00
CPC分类号： H04L9/0852 , H04L2209/34
摘要： A sender sends original random-number data to a receiver through a quantum channel. The receiver generates a raw key from information received through the quantum channel and notifies the received information to the sender. The sender performs received-bit comparison and basis reconciliation based on the received information and provisionally shares a sifted key with the receiver. The receiver sends part of its version of the sifted key to the sender, by which an error rate is calculated. The calculated error rate is compared with a predetermined threshold value for bit position synchronization determination. When the calculated error rate is larger, the sender notifies the receiver that bit position synchronization is not established. The receiver reassigns bit numbers to the sifted key, and received-bit comparison and basis reconciliation are performed again. This procedure is repeated until the calculated error rate becomes smaller than the threshold value.
摘要翻译：发送者通过量子信道向接收者发送原始随机数数据。接收机通过量子信道接收到的信息生成原始密钥，并将接收到的信息通知发送方。发送者根据接收到的信息执行接收比特比较和基础协调，并临时与接收者共享筛选密钥。接收方将其筛选密钥的一部分版本发送给发送方，由此计算错误率。计算的误差率与用于位位置同步确定的预定阈值进行比较。当计算出的错误率较大时，发送方通知接收端位位置同步不成立。接收器将位号重新分配到筛选的密钥，并且再次执行接收比特比较和基础协调。重复该过程，直到计算的误差率变得小于阈值。

90. 发明授权

US07613396B2 Multiplexing communication system and crosstalk elimination method 有权
标题翻译：多路复用通信系统和串扰消除方法
公开(公告)号：US07613396B2
公开(公告)日：2009-11-03
申请号：US11217319
申请日：2005-09-02
申请人： Wakako Maeda , Akio Tajima , Akihiro Tanaka
发明人： Wakako Maeda , Akio Tajima , Akihiro Tanaka
IPC分类号： H04J14/02 , H04B10/12
CPC分类号： H04B10/70
摘要： In a system where a quantum channel and a classical channel are multiplexed on a single optical transmission line and information is transmitted from a transmitter to a receiver through the quantum channel, the classical channel is inhibited from affecting the quantum channel. To this end, the transmission characteristics of a transmitter-side wavelength multiplexer/demultiplexer for the classical channel, the transmission characteristics of a receiver-side wavelength multiplexer/demultiplexer for the quantum channel, and the optical power of a light source for the classical channel are designed so that crosstalk light due to spontaneous emission light and crosstalk light due to nonlinear optical effects can be suppressed, and the classical channel does not affect the quantum channel.
摘要翻译：在量子信道和经典信道被复用在单个光传输线上并且信息通过量子信道从发射机发射到接收机的系统中，禁止经典信道影响量子信道。为此，用于经典信道的发射机侧波长多路复用器/解复用器的传输特性，用于量子信道的接收机侧波长多路复用器/解复用器的传输特性以及用于经典信道的光源的光功率被设计成可以抑制由于非线性光学效应引起的自发发射光和串扰光的串扰光，并且经典通道不影响量子通道。

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