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    • 1. 发明申请
    • Biocidal surfaces, articles with biocidal surface agents and methods of synthesizing and evaluating biocidal surface agents
    • 杀生物表面,具有杀生物表面活性剂的制品和合成和评估杀生物剂的方法
    • US20070122441A1
    • 2007-05-31
    • US11601949
    • 2006-11-20
    • Hironobu MurataRichard KoespelSang LeeAlan Russell
    • Hironobu MurataRichard KoespelSang LeeAlan Russell
    • A01N57/00A01N25/00
    • A01N25/34A01N33/12A01N37/36A01N43/40A01N55/00
    • A biocidal article, includes a surface including a plurality of polymers covalently attached to the surface. The polymers include biocidal cationic groups. The polymers have a molecular weight distribution or polydispersity less than 3. A grafting density of the polymers on the surface is controlled, average degree of polymerization of the polymers is controlled and repeat units of the polymers are chosen to provide a predetermined charge density arising from the cationic groups. A method of analyzing biocidal activity of biocidal surface agents includes the steps: attaching a plurality of chemical entities to one or more surfaces so that at least one physiochemical property is varied, each of the chemical entities comprising at least one biocidally active component; and exposing the chemical entities to at least one biological agent to determine the effect of the at least one physiochemical property upon biocidal activity. The biocidal activity can, for example, be antibacterial activity or sporicidal activity. The at least one physiochemical property can, for example, be varied in a preferably systematic manner.
    • 杀生物制品包括包含共价连接在表面上的多个聚合物的表面。 聚合物包括杀生物阳离子基团。 聚合物具有小于3的分子量分布或多分散性。控制聚合物在表面上的接枝密度,控制聚合物的平均聚合度,并且选择聚合物的重复单元以提供由 阳离子基团。 分析杀生物表面活性剂的杀生物活性的方法包括以下步骤:将多个化学实体连接到一个或多个表面,使得至少一个理化特性变化,每个化学实体包含至少一种生物活性成分; 以及将所述化学实体暴露于至少一种生物试剂以确定所述至少一种理化化学性质对杀生物活性的影响。 杀生物活性可以例如是抗菌活性或杀孢子活性。 至少一种理化特性可以例如以优选系统的方式变化。
    • 3. 发明授权
    • Optical disk identification circuit
    • 光盘识别电路
    • US07139229B2
    • 2006-11-21
    • US10085742
    • 2002-02-26
    • Koyu YamanoiToshio YamauchiHironobu Murata
    • Koyu YamanoiToshio YamauchiHironobu Murata
    • G11B7/00
    • G11B7/08511G11B2007/0006
    • The present invention offers an optical disk determination circuit that can improve the stability of the operation to detect the peak (pulse signal) of the received light signal, and that can improve the stability of the optical disk determination operation. When determining the type of optical disk corresponding to the depth from the surface of the plane on which a light beam is irradiated to the data recording layer, light is irradiated while varying the focal position of the light beam at a constant velocity in one direction of the depth direction from the surface of the optical disk. The bottom level of the received light signal corresponding to the intensity of this reflected light is clamped at a specified level by the bottom clamp circuit 43. The received light signal with the bottom level clamped is compared with a specified reference voltage Vref by the comparator 45, and the received light signal peak (pulse signal) is detected corresponding to the results of this comparison. The type of optical disk is determined by measuring the difference in this peak (pulse signal) detection time.
    • 本发明提供一种光盘确定电路,其可以提高检测接收光信号的峰值(脉冲信号)的操作的稳定性,并且可以提高光盘确定操作的稳定性。 当确定与从其上照射有光束的平面的表面相对应的光盘类型到数据记录层时,照射光,同时以恒定速度在一个方向上改变光束的焦点位置 从光盘表面的深度方向。 对应于该反射光的强度的接收光信号的底部电平被底部钳位电路43钳位在指定电平。 通过比较器45将接收到的底电平的接收光信号与指定的参考电压Vref进行比较,并且根据该比较的结果检测接收到的光信号峰值(脉冲信号)。 通过测量该峰值(脉冲信号)检测时间的差异来确定光盘的类型。
    • 4. 发明授权
    • Tracking error detector
    • 跟踪误差检测器
    • US07126889B2
    • 2006-10-24
    • US10314821
    • 2002-12-09
    • Koyu YamanoiHironobu MurataAoe Takashi
    • Koyu YamanoiHironobu MurataAoe Takashi
    • G11B7/00
    • G11B7/131G11B7/0901G11B7/0903G11B7/0943
    • A circuit to improve the SN characteristic of a tracking error signal. This tracking error detection circuit is formed as a push-pull system utilizing a quadrant type photo-detector and provided with 4 gain control amplifiers 20, 22, 24, and 26, 4 bottom envelope circuits 28, 30, 32, and 34, a pair of subtracting circuits 36 and 38, adding (subtracting) circuit 40, offset circuit 42, and gain control circuit 44. Bottom envelope circuits 28, 30, 32, and 34 are configured with a capacitor-type peak-hold circuit, for example, whereby bottom envelopes of RF signals SA, SB, SC, and SD given from light receiving areas A, B, C, and D of a photo-detector via gain control amplifiers 20, 22, 24, and 26 are detected, and bottom envelope signals SAbtm, SBbtm, SCbtm, and SDbtm representing the waveforms of the respective bottom envelopes are output.
    • 一种提高跟踪误差信号的SN特性的电路。 该跟踪误差检测电路形成为利用象限型光检测器并具有4个增益控制放大器20,22,24和26,4个底包络电路28,30,32和34的推挽系统, 一对减法电路36和38,添加(减)电路40,偏移电路42和增益控制电路44.底包络电路28,30,32和34由电容器型峰保持电路构成,例如 ,由此检测通过增益控制放大器20,22,24和26从光电检测器的光接收区域A,B,C和D给出的RF信号SA,SB,SC和SD的底部信封,并且底部 输出表示相应底部信封的波形的包络信号SAbtm,SBbtm,SCbtm和SDbtm。
    • 7. 发明授权
    • Image-capturing device and imaging apparatus
    • 图像捕获装置和成像装置
    • US08379121B2
    • 2013-02-19
    • US13083093
    • 2011-04-08
    • Hironobu Murata
    • Hironobu Murata
    • H04N5/232H04N9/083H04N9/04H04N3/14H04N5/335G03B27/10
    • H04N5/23212G02B7/36G03B3/10G03B13/18G03B13/36H04N5/3696H04N9/09
    • An image-capturing device includes: a first image sensor equipped with first and second image-capturing pixels and first focus detection pixels, each of which receives one of light fluxes formed by splitting subject light having passed through an optical system, the first and the second image-capturing pixels generating first and second color signals respectively and the first focus detection pixels outputting focus detection signals indicating a state of focus detection pertaining to the optical system; and a second image sensor equipped with third image-capturing pixels and second focus detection pixels, each of which receives another light flux, the third image-capturing pixels generating third color signals and the second focus detection pixels outputting focus detection signals, wherein: when n represents a quantity of the first image-capturing pixels, quantities of the second and the third image-capturing pixels, and the first and the second focus detection pixels are n, 2n, 2n and 2n respectively.
    • 图像捕获装置包括:配备有第一和第二图像捕获像素的第一图像传感器和第一焦点检测像素,每个第一焦点检测像素接收通过分割通过光学系统的被摄体光形成的光束之一,第一和第 第二图像捕获像素分别产生第一和第二颜色信号,并且第一焦点检测像素输出指示与光学系统有关的焦点检测状态的焦点检测信号; 以及配备有第三图像拍摄像素和第二焦点检测像素的第二图像传感器,每个第三图像捕获像素和第二焦点检测像素接收另一个光束,所述第三图像捕获像素产生第三颜色信号,并且所述第二焦点检测像素输出焦点检测信号,其中: n表示第一图像拍摄像素的数量,第二和第三图像拍摄像素的量,第一和第二焦点检测像素分别为n,2n,2n和2n。
    • 8. 发明授权
    • Servo error detecting device for optical disk
    • 光盘伺服错误检测装置
    • US07158455B2
    • 2007-01-02
    • US10339376
    • 2003-01-09
    • Hironobu MurataTakashi AoeKoyu Yamanoi
    • Hironobu MurataTakashi AoeKoyu Yamanoi
    • G11B7/004
    • G11B7/094G11B7/08511
    • Servo error signal circuitry apparatus and methods are described. The difference between two bottom envelope signals SEbtm and SFbtm is calculated by a subtracter (40) to generate a difference signal (SEbtm−SFbtm). The difference signal (SEbtm−SFbtm) is input as an alignment signal (AL) to an equalizer (42) and as a basic tracking error signal to the positive input terminal of a second subtracter (52). On the other hand, the difference between two top envelope signals SEtop and SFtop is calculated by a third subtracter (48) to generate a difference signal (SEtop−SFtop). The signal K(SEtop−SFtop) obtained by multiplying a coefficient K with the difference signal using a coefficient multiplier (50) is input to the negative input terminal of the second subtracter (52). The difference signal {(SEbtm−SFbtm)−K(SEtop−SFtop)} output from the second subtracter (52) is used as an offset corrected tracking error signal.
    • 描述了伺服误差信号电路装置和方法。 通过减法器(40)计算两个底包络信号SEbtm和SFbtm之间的差异,以产生差分信号(SEbtm-SFbtm)。 将差分信号(SEbtm-SFbtm)作为对准信号(AL)输入到均衡器(42),并作为基本跟踪误差信号输入到第二减法器(52)的正输入端。 另一方面,通过第三减法器(48)计算两个顶包络信号SEtop和SFtop之间的差异,以产生差分信号(SEtop-SFtop)。 通过使用系数乘法器(50)将系数K与差分信号相乘而获得的信号K(SEtop-SFtop)被输入到第二减法器(52)的负输入端子。 从第二减法器(52)输出的差分信号{(SEbtm-SFbtm)-K(SEtop-SFtop)}用作偏移校正跟踪误差信号。