Process for producing 5-aminotetrazole
    51.
    发明授权
    Process for producing 5-aminotetrazole 失效
    5-氨基四唑的制备方法

    公开(公告)号:US5594146A

    公开(公告)日:1997-01-14

    申请号:US392308

    申请日:1995-02-22

    IPC分类号: C07D257/06

    CPC分类号: C07D257/06

    摘要: A process for producing 5-aminotetrazole comprising the steps of: reacting cyanamide with hydrazine in a solvent to form a salt of aminoguanidine; adding thereto an acid and then a nitrite to form a salt of diazoguanidine; and cyclizing the salt of diazoguanidine, upon heating, to thereby produce the 5-aminotetrazole, without isolating the intermediate product and also a process for producing 5-aminotetrazole or a metal salt thereof in the form of powder by spray drying.

    摘要翻译: 一种生产5-氨基四唑的方法,包括以下步骤:使氰胺与肼在溶剂中反应形成氨基胍的盐; 加入酸,然后加入亚硝酸盐,形成重氮胍的盐; 并在加热时使重氮胍的盐环化,从而产生5-氨基四唑,而不分离中间产物,还有通过喷雾干燥制备粉末形式的5-氨基四唑或其金属盐的方法。

    Dot image forming apparatus having controlled dot adhesion
    52.
    发明授权
    Dot image forming apparatus having controlled dot adhesion 失效
    具有受控点粘附的点成像装置

    公开(公告)号:US5381221A

    公开(公告)日:1995-01-10

    申请号:US955362

    申请日:1992-10-01

    摘要: In an image forming machine in which a latent image is formed on an image carrier using an exposure device corresponding to an image forming signal, and a toner image is formed by a developing device using toners, there is provided with a first adjustment device by which an adhesion amount of toner is adjusted, a discriminator by which an isolated dot or an edge dot is discriminated, a second adjustment device by which an adhesion amount of toner is adjusted according to a discrimination result by the discriminator, and a controller by which the adjustment conditions of the adhesion amount of the second adjustment device differ corresponding to the discriminated isolation dot or edge dot, and areas other than the discriminated dots.

    摘要翻译: 在使用与图像形成信号相对应的曝光装置在图像载体上形成潜像并且通过使用调色剂的显影装置形成调色剂图像的图像形成机中,设置有第一调节装置,通过该第一调节装置 调节调色剂的附着量,鉴别出分离点或边缘点的鉴别器,根据鉴别器的鉴别结果调节调色剂附着量的第二调节装置,以及控制器, 第二调节装置的粘附量的调整条件根据所识别的隔离点或边缘点以及鉴别点以外的区域而不同。

    Insulated gate thin film transistor with amorphous or microcrystalline
semiconductor film
    53.
    发明授权
    Insulated gate thin film transistor with amorphous or microcrystalline semiconductor film 失效
    具有非晶或微晶半导体膜的绝缘栅薄膜晶体管

    公开(公告)号:US5340999A

    公开(公告)日:1994-08-23

    申请号:US968453

    申请日:1992-10-29

    CPC分类号: H01L29/4908

    摘要: An insulated gate thin film transistor (TFT) comprises first and second insulating films, and a semiconductor film disposed thereon. The first insulating film is prepared with anodization. The second insulating film is prepared with CVD or sputtering. The semiconductor film is amorphous, or microcrystalline prepared with glow discharge.

    摘要翻译: 绝缘栅极薄膜晶体管(TFT)包括第一和第二绝缘膜以及设置在其上的半导体膜。 第一绝缘膜由阳极氧化制备。 第二绝缘膜由CVD或溅射制备。 半导体膜是无定形的,或用辉光放电制备的微晶。

    Induction system for vehicle powered by an air propeller
    55.
    发明授权
    Induction system for vehicle powered by an air propeller 失效
    由空气螺旋桨驱动的车辆感应系统

    公开(公告)号:US4726328A

    公开(公告)日:1988-02-23

    申请号:US896421

    申请日:1986-08-13

    CPC分类号: F02M5/08 F02B61/00 F02M35/04

    摘要: A vehicle driven by an air propeller which is, in turn, powered by an internal combustion engine. An improved induction system is provided wherein both the carburetor fuel bowl vent and the air intake of the engine are protected from pressure differences generated by the action of the propeller.

    摘要翻译: 由空气推进器驱动的车辆,其又由内燃机驱动。 提供了一种改进的感应系统,其中化油器燃料碗排气口和发动机的进气口均不受由螺旋桨的作用产生的压力差。

    Method of driving liquid crystal display device
    56.
    发明授权
    Method of driving liquid crystal display device 失效
    驱动液晶显示装置的方法

    公开(公告)号:US4649383A

    公开(公告)日:1987-03-10

    申请号:US566795

    申请日:1983-12-29

    IPC分类号: G02F1/133 G09G3/36 G09G3/00

    CPC分类号: G09G3/3648 G09G2320/0223

    摘要: A method of driving a matrix type liquid crystal display device which compensates for the distortion of scanning signal and data waveforms caused by resistance and capacitance of the display device electrodes. In one embodiment of this method the timing of the scanning signal is advanced with respect to the timing of the data switching signal by a time determined by the resistor-capacitor time constant of the electrodes and display elements. In another embodiment of this method the switching timing of the scanning signal is delayed with respect to the leading edge of the data signal and the switching timing of the scanning signal is advanced with respect to the trailing edge of the data signal. The delay of the leading edge and the advance of the trailing edge are determined by the resistor-capacitor time constant of the electrode and display elements and the capacitance of the display element, respectively.

    摘要翻译: 驱动矩阵型液晶显示装置的方法,其补偿由显示装置电极的电阻和电容引起的扫描信号和数据波形的失真。 在该方法的一个实施例中,扫描信号的定时相对于数据切换信号的定时提前一个由电极和显示元件的电阻器 - 电容器时间常数确定的时间。 在该方法的另一实施例中,扫描信号的切换定时相对于数据信号的前沿被延迟,并且扫描信号的切换定时相对于数据信号的后沿前进。 前沿的延迟和后沿的前进分别由电极和显示元件的电阻 - 电容时间常数和显示元件的电容决定。