XEROGRAPHIC COPYING APPARATUS AND METHOD OF CONTROLLING MOTOR

    公开(公告)号:US20080247772A1

    公开(公告)日:2008-10-09

    申请号:US11696504

    申请日:2007-04-04

    IPC分类号: G03G15/14

    CPC分类号: G03G15/161 G03G2215/1661

    摘要: In a xerographic copying apparatus of the invention, a control unit to control a stepping motor to cause rotation of an image supporting body to synchronize with running of a transfer medium performs acceleration and deceleration of a rotation speed of the image supporting body while the image supporting body is rotating in a reverse rotation direction, and accordingly, paper powder or foreign matter accumulated in a cleaning mechanism to clean a developer on the image supporting body can be collected, the occurrence of abnormal noise is prevented, and a definite amount of reverse rotation of the image supporting body can be realized while avoiding damage of the image supporting body due to a speed difference between the image supporting body and the transfer medium.

    摘要翻译: 在本发明的静电复印装置中,用于控制步进电动机以使图像支持体的转动与转印介质的运行同步的控制单元执行图像支持体的转速的加速和减速, 主体沿反转方向旋转,因此可以收集积聚在清洁机构中以清洁图像载体上的显影剂的纸粉或异物,防止发生异常噪声,并且确定反向旋转量 可以在避免由于图像支持体和转印介质之间的速度差引起的图像支持体的损坏的同时实现图像支持体。

    Multi-phase PSK signal decoder including phase display generator with
phase correcting feedback
    4.
    发明授权
    Multi-phase PSK signal decoder including phase display generator with phase correcting feedback 失效
    多相PSK信号解码器,包括具有相位校正反馈的相位显示发生器

    公开(公告)号:US5533060A

    公开(公告)日:1996-07-02

    申请号:US358107

    申请日:1994-12-16

    IPC分类号: H04L27/00 H04L27/233 H03D3/22

    摘要: A digitized quasi-phase synchronous phase detecting signal of the PSK signal is used to generate digitized quasi-synchronous phase detecting signal phase-corrected by phase correcting data and a first phase display data indicating the phase of the carrier of the PSK signal is generated from the phase-corrected digitized quasi-synchronous phase detecting signal. Alternatively, the digitized quasi-synchronous phase detecting signal of the PSK signal is used to generate second phase display data indicating the phase of the carrier of the PSK signal and third phase-corrected phase display data is generated from the second phase display data. The first or third phase display data is used to generate fourth phase display data indicating the phase assigned to the code of the PSK signal and a decoded digitized code is generated from the fourth phase display data. When signal presence display information is in its state to indicate the amplitude of the PSK signal is larger than a predetermined threshold, the frequency and phase of the carrier of the PSK signal are predicted using their estimated frequency and phase based on the first or second and fourth phase display data. When the signal presence display information transitions to its state to indicate that the amplitude of the PSK signal is smaller than the predetermined threshold, the frequency and phase estimated until then are used to predict the frequency and phase of the carrier of the PSK signal and phase data in the predicted frequency and phase data is generated as the phase correcting data.

    摘要翻译: 使用PSK信号的数字化准相位同步相位检测信号,生成通过相位校正数据相位校正的数字化的准同步相位检测信号,并且生成表示PSK信号的载波相位的第一相位显示数据 相位校正的数字化准同步相位检测信号。 或者,PSK信号的数字化准同步相位检测信号用于产生指示PSK信号的载波相位的第二相位显示数据,并且从第二相位显示数据产生第三相位校正相位显示数据。 第一或第三相位显示数据用于产生指示分配给PSK信号的代码的相位的第四相位显示数据,并且从第四相位显示数据生成解码的数字化代码。 当信号存在显示信息处于其状态以指示PSK信号的幅度大于预定阈值时,PSK信号的载波的频率和相位是使用它们基于第一或第二的估计的频率和相位来预测的,并且 第四相显示数据。 当信号存在显示信息转变到其状态以指示PSK信号的幅度小于预定阈值时,估计直到那时的频率和相位用于预测PSK信号和相位的载波的频率和相位 产生预测频率和相位数据中的数据作为相位校正数据。

    N,3-disubstituted alaninamide derivatives
    5.
    发明授权
    N,3-disubstituted alaninamide derivatives 失效
    N,3-二取代的丙氨酰胺衍生物

    公开(公告)号:US5312826A

    公开(公告)日:1994-05-17

    申请号:US901234

    申请日:1992-06-19

    摘要: Disclosed are a dicarboxylic acid compound represented by the formula (I): ##STR1## wherein R represents hydrogen atom, a lower alkyl group, phenyl group or hydroxyl group; R.sup.1 represents a straight or branched alkyl group having 1 to 10 carbon atoms or a lower alkyl group substituted by a group selected from aryl group, a sulfur- or nitrogen-containing heterocyclic monocyclic group and a cycloalkyl group having 4 to 8 carbon atoms; R.sup.2 represents a substituted or unsubstituted aryl group, a cycloalkyl group having 4 to 8 carbon atoms or a sulfur-containing or nitrogen-containing heterocylcic group; X represents sulfur atom, oxygen atom or a substituted or unsubstituted imino group; Y.sup.1 represents imino group, oxygen atom or sulfur atom and Y.sup.2 represents nitrogen atom, or Y.sup.1 represents a vinylene group and Y.sup.2 represents a group: --CH.dbd.; m represents 0 to 3; and n represents 0 or 1, an ester thereof or pharmaceutically acceptable salts thereof, and a process for preparing the same.

    摘要翻译: 公开了由式(I)表示的二羧酸化合物:其中R表示氢原子,低级烷基,苯基或羟基; R1表示具有1-10个碳原子的直链或支链烷基或被选自芳基,含硫或含氮杂环单环和具有4-8个碳原子的环烷基取代的低级烷基; R2表示取代或未取代的芳基,具有4-8个碳原子的环烷基或含硫或含氮杂环基; X表示硫原子,氧原子或取代或未取代的亚氨基; Y1表示亚氨基,氧原子或硫原子,Y2表示氮原子,Y1表示亚乙烯基,Y2表示-CH =; m表示0〜3; 和n表示0或1,其酯或其药学上可接受的盐及其制备方法。

    5-Trihalogenomethyl-4,5-dihyro-oxazole-4-carboxylic acid esters
    9.
    发明授权
    5-Trihalogenomethyl-4,5-dihyro-oxazole-4-carboxylic acid esters 失效
    5-三卤甲基-4,5-二羟基 - 恶唑-4-羧酸酯

    公开(公告)号:US4061650A

    公开(公告)日:1977-12-06

    申请号:US635361

    申请日:1975-11-26

    CPC分类号: C07D263/16

    摘要: Alkyl (or aralkyl) .alpha.-isocyanoacetate is condensed with a trihalogenoacetic aldehyde or its hydrate in the presence of an amine to give trans-4-alkoxycarbonyl(or aralkyloxycarbonyl)-5-trihalogenomethyl-2-oxazoline. The oxazoline compound is hydrolyzed under acidic conditions to give threo-.gamma.,.gamma.,.gamma.-trihalogenothreonine, which is then subjected to catalytic or electrolytic reduction. The above-mentioned reactions can be carried out stereoselectively and threo-threonine is thereby obtained without by-products such as allo-threonine.

    摘要翻译: 烷基(或芳烷基)α-异氰酸乙酸酯与三卤代乙醛或其水合物在胺的存在下缩合,得到反式-4-烷氧基羰基(或芳烷氧基羰基)-5-三卤代甲基-2-恶唑啉。 恶唑啉化合物在酸性条件下水解,得到苏氨酸,γ,γ-三卤代氨基酸,然后进行催化或电解还原。 上述反应可以立体选择性地进行,由此得到苏氨酸,而没有副产物如异苏氨酸。

    Image forming apparatus
    10.
    发明授权

    公开(公告)号:US06501931B2

    公开(公告)日:2002-12-31

    申请号:US09814688

    申请日:2001-03-15

    申请人: Kazuo Matsumoto

    发明人: Kazuo Matsumoto

    IPC分类号: G03G1500

    摘要: The present invention provides an image forming apparatus, in which a driving device detected by a detecting device sets the control amount in a manner to set the magnitude of the driving signal supplied to first, second and third motors in accordance with generation of the phenomenon for changing the magnitude of the driving signal imparted to the first, second and third motors. In the image forming apparatus of the particular construction, it is possible to suppress the jitter occurrence in the toner image caused by the fluctuation in the load, the fluctuation bringing about fluctuation in the rotating speed of the photosensitive body.