Photocurrent-to-voltage conversion apparatus including non-diode-connected clamping MOS transistor
    12.
    发明申请
    Photocurrent-to-voltage conversion apparatus including non-diode-connected clamping MOS transistor 失效
    包括非二极管连接的钳位MOS晶体管的光电流 - 电压转换装置

    公开(公告)号:US20050023443A1

    公开(公告)日:2005-02-03

    申请号:US10900185

    申请日:2004-07-28

    申请人: Yuji Fujita

    发明人: Yuji Fujita

    CPC分类号: H03F3/082

    摘要: In a photocurrent-to-voltage conversion apparatus for converting a photocurrent flowing through a light receiving element into a detection voltage, an amplifier, a feedback resistor and a clamping MOS transistor are provided. The amplifier has an input connected to the light receiving element and an output for generating the detection voltage, and includes (2n+1) inverter stages connected in series where n is 1, 2 . . . . The feedback resistor and the clamping transistor are connected between the output and input of the amplifier. The clamping MOS transistor is controlled by an output voltage of a non-final inverter one of the inverter stages.

    摘要翻译: 在将通过光接收元件流过的光电流转换为检测电压的光电流 - 电压转换装置中,提供放大器,反馈电阻器和钳位MOS晶体管。 该放大器具有连接到光接收元件的输入端和用于产生检测电压的输出端,并且包括串联连接在其中n为1,2的(2n + 1)个反相器级。 。 。 。 反馈电阻和钳位晶体管连接在放大器的输出和输入端之间。 钳位MOS晶体管由逆变器级之一的非最终逆变器的输出电压控制。

    Surface acoustic wave device with closely spaced discharge electrodes
electrically independent of the interdigital transducers
    14.
    发明授权
    Surface acoustic wave device with closely spaced discharge electrodes electrically independent of the interdigital transducers 有权
    具有紧密排列的放电电极的表面声波器件电独立于叉指式换能器

    公开(公告)号:US6034578A

    公开(公告)日:2000-03-07

    申请号:US265958

    申请日:1999-03-11

    CPC分类号: H03H9/02921

    摘要: A surface acoustic wave device which comprises: a plurality of interdigital transducers formed on a surface acoustic wave substrate; and a plurality of thin film electrodes disposed between the interdigital transducers and an end surface of the surface acoustic wave substrate and electrically independently of the interdigital transducers, at least one of distances between adjacent ones of the thin film electrodes being set to be smaller than a distance between the thin film electrodes and the interdigital transducers, so that the electrical performance of the device as well as the insulation resistance does not deteriorate, and the interdigital transducers can be prevented from being electrostatically broken.

    摘要翻译: 一种表面声波装置,包括:形成在表面声波基板上的多个叉指换能器; 以及多个薄膜电极,其设置在所述叉指式换能器与所述弹性表面波衬底的端面之间并且电独立于所述指数间换能器,所述相邻薄膜电极之间的距离中的至少一个被设定为小于 薄膜电极和叉指式换能器之间的距离,使得器件的电气性能以及绝缘电阻不劣化,并且可以防止叉指式换能器被静电破坏。

    Data display apparatus with function for correcting effect of external
magnetic field
    16.
    发明授权
    Data display apparatus with function for correcting effect of external magnetic field 失效
    具有校正外部磁场效果的数据显示装置

    公开(公告)号:US5223768A

    公开(公告)日:1993-06-29

    申请号:US777934

    申请日:1991-10-17

    CPC分类号: G09G1/04 H04N9/29

    摘要: A data display apparatus with a function for correcting the effect of external magnetic field including a display, a driving circuit for driving the display, an adjuster for adjusting a display position of input signal, a detector for detecting an output voltage of the driving circuit, and a difference detection circuit. The difference detection circuit detects a difference between an output of the detector when a predetermined reference signal is inputted as the input signal and an output of the detector when a display position of the predetermined reference signal is adjusted to a reference position on the screen of the display by the adjuster. The difference is stored in a memory as calibration data for correcting the effect of external magnetic field or the like.

    摘要翻译: 具有用于校正包括显示器的外部磁场的影响的功能的数据显示装置,用于驱动显示器的驱动电路,用于调整输入信号的显示位置的调节器,用于检测驱动电路的输出电压的检测器, 和差分检测电路。 差分检测电路当将预定参考信号作为输入信号输入时检测检测器的输出与检测器的输出之间的差异,当预定参考信号的显示位置被调整到基准位置时 由调节器显示。 该差值作为校正数据存储在存储器中,用于校正外部磁场等的影响。

    Surface acoustic wave device having apodized transducer provided with
irregular pitch electrode group
    18.
    发明授权
    Surface acoustic wave device having apodized transducer provided with irregular pitch electrode group 失效
    具有不规则间距电极组的变迹传感器的声表面波装置

    公开(公告)号:US4918349A

    公开(公告)日:1990-04-17

    申请号:US267294

    申请日:1988-11-04

    IPC分类号: H03H9/02 H03H9/145

    摘要: A surface acoustic wave device characterized in that in addition to linear first bus-bar electrodes which connect in alignment the edges of the same potential electrodes of interdigital electrodes, second bus-bar electrodes are provided which connect the same potential electrodes in the vicinity of the overlapping positions. Also disclosed is a surface acoustic wave device characterized in that the metalized ratio g/p, which is the ratio of the width of an electrode and the intercentral distance between the adjacent electrodes in an irregular pitch electrode group, is varied between 0.1 to 0.4 or between 0.6 to 0.9.

    摘要翻译: 一种表面声波装置,其特征在于,除了连接在叉指电极的相同电位电极的边缘上的线性第一汇流条电极之外,还提供了第二汇流条电极,其将相邻的电位电极 重叠位置 还公开了一种弹性表面波器件,其特征在于,在不规则间距电极组中,电极宽度与相邻电极之间的中心距离之比的金属化率g / p在0.1至0.4之间变化或 介于0.6至0.9之间。

    Surface elastic wave device
    19.
    发明授权
    Surface elastic wave device 失效
    表面弹性波装置

    公开(公告)号:US4689586A

    公开(公告)日:1987-08-25

    申请号:US869979

    申请日:1986-06-02

    IPC分类号: H03H9/02 H03H9/145 H03H9/42

    CPC分类号: H03H9/14505

    摘要: A surface acoustic wave (SAW) device comprises a piezo-electric surface acoustic substrate, and plural sets of input/output interdigital electrodes disposed on the substrate. A phase shifter is provided between a sending electrode and a reflecting electrode included in the input or output interdigital electrodes for producing an electrical phase difference to implement a unidirectional electrode. The sending electrode and the reflecting electrode are mutually connected through the phase shifter including two pure reactance elements serially connected between the sending and the reflecting electrodes and a pure reactance element connected to the junction between the two serially connected reactance elements so as to form a T-circuit. When the two serially connected pure reactance elements are selected equal to each other, the operating frequency band is broadened. The phase shifter includes no ohmic resistance and thus is lossless.

    摘要翻译: 表面声波(SAW)器件包括压电表面声学衬底和设置在衬底上的多组输入/输出叉指电极。 在发送电极和包括在输入或输出叉指电极中的反射电极之间提供移相器,用于产生电相差以实现单向电极。 发送电极和反射电极通过移相器相互连接,该移相器包括串联连接在发送电极和反射电极之间的两个纯电抗元件和连接到两个串联的电抗元件之间的接点的纯电抗元件,从而形成T 电路 当选择两个串联的纯电抗元件彼此相等时,工作频带变宽。 移相器不包含欧姆电阻,因此无损耗。

    Matrix display panel driving system
    20.
    发明授权
    Matrix display panel driving system 失效
    矩阵显示面板驱动系统

    公开(公告)号:US4652872A

    公开(公告)日:1987-03-24

    申请号:US625905

    申请日:1984-06-28

    申请人: Yuji Fujita

    发明人: Yuji Fujita

    IPC分类号: G09G3/20 G09G3/30 G09G3/12

    摘要: A driving system for a display panel wherein a large number of data lines and scan lines are arranged in matrix fashion and wherein a display cell is disposed at each crossing point includes a row drive for supplying a first voltage to row side electrodes through the scan lines, a column drive for supplying a second or a third voltage to column side electrodes through the data lines, and a refreshing drive for supplying a reverse polarity voltage between the electrodes of each display cell after scanning of all the scan lines. The column drive performs a modulation drive by applying the voltages from the data lines selectively to the display cells according to an intended luminescence or non-luminescence of the cells. The row drive performs a write drive by sequentially applying the first voltage to the scan lines. The refreshing drive performs a refreshing operation by applying a predetermined refreshing voltage to the display cells after completion of the modulation and write drives. Thus, an image is displayed. This system obviates a pre-charge step and hence increases the scanning speed and reduces the power consumption.

    摘要翻译: 一种用于显示面板的驱动系统,其中大量数据线和扫描线以矩阵方式布置,并且其中在每个交叉点设置显示单元包括行驱动器,用于通过扫描线向行侧电极提供第一电压 ,用于通过数据线向列侧电极提供第二或第三电压的列驱动器,以及用于在扫描所有扫描线之后在每个显示单元的电极之间提供反极性电压的刷新驱动。 列驱动器通过根据单元的预期发光或非发光将来自数据线的电压选择性地施加到显示单元执行调制驱动。 行驱动器通过对扫描线顺序施加第一电压来执行写入驱动。 刷新驱动器在完成调制和写入驱动之后,通过向显示单元施加预定的刷新电压来执行刷新操作。 因此,显示图像。 该系统避免了预充电步骤,因此增加了扫描速度并降低了功耗。