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    • 95. 发明授权
    • Method of extracting and separating spent solvent generated in nuclear
fuel cycle
    • 在核燃料循环中提取和分离产生溶剂的方法
    • US5171447A
    • 1992-12-15
    • US729412
    • 1991-07-12
    • Isao KondohTakashi Okada
    • Isao KondohTakashi Okada
    • G21C19/46G21F9/06G21F9/08
    • G21F9/06Y10S210/907
    • A method of extracting and separating a spent solvent generated in a nuclear fuel cycle and containing a phosphate (TBP) and a higher hydrocarbon (n-dodecane). This method comprises bringing the spent solvent into contact with methanol, thereby causing the spent solvent to be separated into a phase mainly composed of the higher hydrocarbon and a methanol phase containing the phosphate. By drying the phase mainly composed of the higher hydrocarbon at a low temperature, a minor amount of methanol contained in the phase is separated through evaporation to recover the higher hydrocarbon. By drying the methanol phase at a low temperature, methanol is recovered through evaporation and the phosphate remains as a remaining solution. The remaining solution may further be subjected to low-temperature vacuum distillation to separate the solution into the phosphate (TBP) and a deterioration product thereof (DBP).
    • 提供和分离在核燃料循环中产生的含有磷酸盐(TBP)和高级烃(正十二烷)的废溶剂的方法。 该方法包括使废溶剂与甲醇接触,从而使废溶剂分离成主要由高级烃和含有磷酸盐的甲醇相组成的相。 通过在低温下干燥主要由高级烃组成的相,通过蒸发分离相中所含的少量甲醇以回收高级烃。 通过在低温下干燥甲醇相,通过蒸发回收甲醇,磷酸盐保留作为剩余溶液。 剩下的溶液可进一步进行低温真空蒸馏,将溶液分离成磷酸盐(TBP)及其劣化物(DBP)。
    • 96. 发明授权
    • Compact-size zoom lens system
    • 紧凑型变焦镜头系统
    • US5153777A
    • 1992-10-06
    • US622715
    • 1990-12-05
    • Takashi OkadaAkira FukushimaHiromu UmedaHisashi TokumaruJunji HashimuraHisayuki Masumoto
    • Takashi OkadaAkira FukushimaHiromu UmedaHisashi TokumaruJunji HashimuraHisayuki Masumoto
    • G02B13/18G02B15/16G02B15/173
    • G02B15/173
    • A compact-size, light-weight, low-cost zoom lens system with high optical quality is achieved by using a ray restrictor placed at the most object side of the zoom lens system. In one type, the ray resistor shifts toward the object at a speed different from that of the most object side lens of the zoom lens system as the zoom lens system is zoomed toward the longest focal length, which effectively blocks harmful rays causing coma flare in the peripheral area. In another type, the aperture diameter of the ray restrictor varies according to a zooming operation. The ray restrictor of any type is especially effective when used in a zoom lens system composed of two lens groups. By introducing one or more aspherical surfaces satisfying a certain condition (or conditions) in the zoom lens system, various aberrations are further favorably corrected.
    • 通过使用放置在变焦透镜系统的最物体侧的射线限制器来实现具有高光学质量的紧凑型,重量轻,低成本的变焦透镜系统。 在一种类型中,随着变焦透镜系统朝向最长焦距变焦,射线电阻以与变焦透镜系统的最物体侧透镜的速度不同的速度朝向物体移动,这有效地阻挡了导致昏迷的有害射线 周边地区。 在另一种类型中,光线限制器的孔径根据变焦操作而变化。 当用于由两个透镜组组成的变焦透镜系统中时,任何类型的光线限制器是特别有效的。 通过在变焦透镜系统中引入满足一定条件(或条件)的一个或多个非球面,可进一步有利地校正各种像差。
    • 97. 发明授权
    • Apparatus and method for reducing noise in a video signal
    • 用于降低视频信号中的噪声的装置和方法
    • US5146330A
    • 1992-09-08
    • US713641
    • 1991-06-10
    • Takashi OkadaMasumi OgawaMitsuyasu AsanoMasaru Nonogaki
    • Takashi OkadaMasumi OgawaMitsuyasu AsanoMasaru Nonogaki
    • H04N5/21
    • H04N5/21
    • A noise reduction circuit (13) in which a difference signal (S.sub.I -S.sub.I1) between the original video signal (S.sub.I) and a delayed video signal (S.sub.I1) obtained by passing the original video signal (S.sub.I) through a delay circuit (5) is obtained, and a signal obtained by passing the above difference signal (S.sub.I -S.sub.I1) through a gain control amplifier (8) is subtracted from the above original video signal (S.sub.I), and the gain which reflects movement in the gain control amplifier (8) is controlled by a movement detection signal (S.sub.M) of the above original video signal (S.sub.z) and a detection signal (S.sub.c) which reflects the input electric field strength so as not to decrease the gain of the gain control amplifier (8) at middle to weak electric field, the noise reduction circuit may be applied to a television receiver, etc.
    • 一种降噪电路(13),其中通过将原始视频信号(SI)通过延迟电路(5)获得的原始视频信号(SI)和延迟视频信号(SI1)之间的差分信号(SI-SI1) 并且从上述原始视频信号(SI)中减去通过将上述差分信号(SI-SI1)通过增益控制放大器(8)获得的信号,反映在增益控制放大器 8)由上述原始视频信号(Sz)的移动检测信号(SM)和反映输入电场强度的检测信号(Sc)控制,以便不降低增益控制放大器(8)的增益, 在中弱电场中,噪声降低电路可以应用于电视接收机等。
    • 99. 发明授权
    • Scrambled television signal receiver system
    • 加扰电视信号接收系统
    • US4636855A
    • 1987-01-13
    • US585174
    • 1984-03-01
    • Takashi OkadaTakao MogiShinjiro Mino
    • Takashi OkadaTakao MogiShinjiro Mino
    • H04K1/00H04N5/913H04N7/16H04N7/167H04N7/171
    • H04N5/913H04N2005/91364
    • A television signal receiving system for use with a scrambled television signal or a standard television signal includes a recording and reproducing circuit which records and reproduces the received television signal and a monitor for displaying the received or reproduced television signal. A descrambling circuit descrambles the scrambled television signal either as received or reproduced to generate a descrambled television signal when a detector detects the existence of a scrambled television signal and generates a control signal in response thereto. A switch responds to the control signal and automatically supplies to the monitor either the descrambled television signal or the standard television signal according to the type of television signal being received or reproduced.
    • 与加扰电视信号或标准电视信号一起使用的电视信号接收系统包括记录和再现接收的电视信号的记录和再现电路以及用于显示接收或再现的电视信号的监视器。 解扰电路解扰加扰的电视信号,如果接收或再现,以便当检测器检测到加扰的电视信号的存在并产生响应于此的控制信号时产生解扰的电视信号。 开关响应控制信号,并根据接收或再现的电视信号的类型自动向监视器提供解扰的电视信号或标准电视信号。