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    • 102. 发明授权
    • Transit-time difference type ultrasonic flowmeter
    • US06647805B2
    • 2003-11-18
    • US09985449
    • 2001-11-02
    • Tamotsu KobayashiKunikazu ShigetaToru Fujii
    • Tamotsu KobayashiKunikazu ShigetaToru Fujii
    • G01F166
    • G01F1/74G01F1/667
    • A transit-time difference type ultrasonic flowmeter comprises a pair of ultrasonic transducers mounted on a flow tube at an upstream side and a downstream side respectively, a switching device for switching the operational mode of each of the transducers alternatively to its transmitting or receiving mode, an amplifier for amplifying the signal received by the transducer of the receiving side, and a data reduction equipment includes an analog-digital converter and a digital signal processor; the converter converts the waveform into a plurality of voltage-time data sets; and the processor picks up an object peak of the voltage-time data sets on the basis of the time, or the data on the voltage, or determines the peaks of maximum voltage included within the waveform of the voltage-time data sets as an object peak, estimates at least one zero-cross point confined by the object peak or a peak adjacent to the object peak through the calculation made on the plurality of voltage-time data sets distributing along the time axis close to the zero-cross points, and finds the time required for propagating the wave from one zero-cross point or the average time required for propagating the wave from a plurality of zero-cross points.
    • 104. 发明授权
    • Input buffer circuit for semiconductor IC circuit
    • 半导体IC电路的输入缓冲电路
    • US6091277A
    • 2000-07-18
    • US233128
    • 1999-01-19
    • Toru Fujii
    • Toru Fujii
    • G01R31/26G01R31/28G01R31/3185H01L21/822H01L27/04H03K19/00H03K17/62H03K17/693
    • G01R31/318572
    • Disclosed is an input buffer circuit for semiconductor integrated circuit which has: a differential amplification circuit to amplify an input signal; a current cutting-off circuit which cuts off the short-circuit current of the differential amplification circuit when a test enable signal supplied from the outside is in on-state; and a selection means which selects the output of the differential amplification circuit when the test enable signal is in off-state and outputs selecting the input signal when the test enable signal is in on-state. Optionally, the input buffer circuit further has: a control circuit which controls the differential amplification circuit and the selection circuit so that the test enable signal is made valid when an input enable signal supplied from the outside is in on-state, and the short-circuit current of the differential amplification circuit is cut off and a signal with a given level is output to the next stage when the input enable signal is in off-state.
    • 公开了一种用于半导体集成电路的输入缓冲电路,其具有:放大输入信号的差分放大电路; 电流切断电路,当从外部提供的测试使能信号处于导通状态时,切断差分放大电路的短路电流; 以及选择装置,当所述测试使能信号处于截止状态时,选择所述差分放大电路的输出,并且当所述测试使能信号处于导通状态时输出选择所述输入信号。 可选地,输入缓冲电路还具有:控制电路,其控制差分放大电路和选择电路,使得当从外部提供的输入使能信号处于导通状态时,使测试使能信号有效, 当输入使能信号处于截止状态时,差分放大电路的电路电流被切断,具有给定电平的信号被输出到下一级。
    • 105. 发明授权
    • Optical information medium
    • 光信息媒体
    • US5895697A
    • 1999-04-20
    • US955156
    • 1997-10-21
    • Toshiaki TajimaYuji TomizawaRyou NegishiEmiko HamadaToru Fujii
    • Toshiaki TajimaYuji TomizawaRyou NegishiEmiko HamadaToru Fujii
    • G11B5/62B32B3/00
    • G11B5/62Y10S428/913Y10S430/146Y10T428/21
    • An optical information medium comprises a first disc forming information recording layer on a main surface thereof, a second disc being bonded to the first disc at the surface where the information recording layer is formed by way of an adhesive. A hydrophilic resin film is formed on the surface of the disc at the inner peripheral side extending from the center hole to the information non-recording area. The hydrophilic resin film is damp and is rough compared with the other portion formed of non-hydrophilic resin, and it is elastic. The characters, patterns or designs can be printed on the optical information medium using water-base ink, etc. after manufacturing the optical information medium. Further, the hydrophilic resin film is formed on the disc at the portion outside the information recording area. Further, when the hydrophilic resin film is formed, the surface of the inner and outer peripheral portions of the optical information medium protuberates slightly thicker than other portion so that the fats of the fingers is hardly stuck to the recording surface of the optical information medium even if the inner and outer peripheral portions of the disc is grasped by hand.
    • 光学信息介质包括在其主表面上的第一盘形成信息记录层,在通过粘合剂形成信息记录层的表面处将第二盘结合到第一盘。 在从中心孔延伸到信息非记录区域的内周侧的盘的表面上形成亲水性树脂膜。 与非亲水性树脂形成的其它部分相比,亲水性树脂膜是潮湿的,并且是弹性的。 在制造光学信息介质之后,可以使用水基油墨等在光学信息介质上印刷字符,图案或设计。 此外,在信息记录区域外的部分的盘上形成亲水性树脂膜。 此外,当形成亲水性树脂膜时,光学信息介质的内周和外周部分的表面突出比其它部分稍厚,使得手指的脂肪几乎不粘附到光信息介质的记录表面,甚至 如果用手握住盘的内外周部分。
    • 108. 发明授权
    • Puncture proof tire
    • 穿刺轮胎
    • US5520232A
    • 1996-05-28
    • US345774
    • 1994-11-22
    • Heiji FukutakeMinoru AbeToru Fujii
    • Heiji FukutakeMinoru AbeToru Fujii
    • B60C7/10B60C7/12B60C7/20B60C7/14
    • B60C7/12B60C7/102B60C7/20Y10T152/10306
    • A main tire body, mounted to the rim (3) of a wheel, includes in one embodiment, an annular tire material (6) and a fiat wound spring ring (8) disposed within the annular tire material (6). The annular tire material (6) is a material with a cross section that can form in a semi-circular annular space (7) between the rim (3). The flat wound spring ring (8) a is annularly arranged within the annular space (7). In another embodiment, the main tire body includes an annular first tire material (10), a second tire material (11), and a plurality of airtight chambers (15) which help to absorb impacts. The first tire material (10) is mounted to the rim (3). The second tire material (11) is an annular material with an elastic body attached to the outer peripheral side of the first tire material. The airtight chambers portion (15) are formed in the second tire material between the first tire material. In another embodiment, the main tire body includes an annular first tire material (20), and a second tire material (21). The second tire material (21) is an annular material with an elastic body attached to the outer peripheral side of the first tire material. An airtight annular chamber (22) is formed between the first tire material (20) and second tire material (21). A flat spring ring (24) disposed within the annular chamber (22) to absorb impacts.
    • 在一个实施例中,安装在轮的轮缘(3)上的主轮胎主体包括设置在环形轮胎材料(6)内的环形轮胎材料(6)和平纹弹簧环(8)。 环形轮胎材料(6)是具有横截面的材料,其可以形成在轮缘(3)之间的半圆形环形空间(7)中。 扁平卷绕弹簧环(8)a环形地布置在环形空间(7)内。 在另一个实施例中,主轮胎主体包括环形第一轮胎材料(10),第二轮胎材料(11)和有助于吸收冲击的多个气密室(15)。 第一轮胎材料(10)安装到轮辋(3)上。 第二轮胎材料(11)是具有附接到第一轮胎材料的外周侧的弹性体的环形材料。 气密室部分(15)形成在第一轮胎材料之间的第二轮胎材料中。 在另一个实施例中,主轮胎主体包括环形第一轮胎材料(20)和第二轮胎材料(21)。 第二轮胎材料(21)是具有附接到第一轮胎材料的外周侧的弹性体的环形材料。 在第一轮胎材料(20)和第二轮胎材料(21)之间形成有气密环形室(22)。 设置在所述环形室(22)内以吸收冲击的扁平弹簧环(24)。