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151 条记录 (耗时 0.016 秒)

    Vertical deflection circuit with raster correction
    11.
    发明公开
    Vertical deflection circuit with raster correction 失效
    Vertikalablenkschaltung mit Rasterkorrektur

    公开(公告)号：EP0808058A2

    公开(公告)日：1997-11-19

    申请号：EP97401056.3

    申请日：1997-05-12

    申请人： THOMSON CONSUMER ELECTRONICS, INC.

    发明人： Truskalo, Walter ,  Knight, Peter Ronald ,  Smith, Lawrence Edward

    IPC分类号： H04N3/22

    CPC分类号： H04N3/233 ,  H04N3/22

    摘要： An electron beam tends to slope downwardly as it is deflected horizontally to form a raster in a video display apparatus. The sloping of the beam can cause geometric errors in the raster, for example orthogonality and parallelogram errors. A raster correction circuit (100) substantially offsets the downward slope of the electron beam by modulating a vertical deflection current (I V ) with an induced horizontal-rate raster correction current (I CORR ), thereby substantially eliminating orthogonality and parallelogram errors in the raster. In respective embodiments of an inventive arrangement taught herein, the horizontal-rate raster correction current (I CORR ) is induced in the vertical deflection coils (L V1 , L V2 ) by magnetically coupling a filament pulse waveform (11), a horizontal deflection voltage waveform, or a horizontal deflection current into the vertical deflection coils (L V1 , L V2 ).

    摘要翻译： 电子束倾向于向下倾斜，因为它被水平偏转以在视频显示装置中形成光栅。 光束的倾斜可能导致光栅中的几何误差，例如正交性和平行四边形误差。 光栅校正电路（100）通过用诱导的水平光栅校正电流（ICORR）调制垂直偏转电流（IV），从而基本上消除了光栅中的正交性和平行四边形误差，从而基本上抵消了电子束的向下斜率。 在本文教导的本发明装置的各个实施例中，通过磁耦合灯丝脉冲波形（11），水平偏转电压波形或水平偏转电压波形，在垂直偏转线圈（LV1，LV2）中感应出水平速率光栅校正电流（ICORR） 水平偏转电流进入垂直偏转线圈（LV1，LV2）。

    Deflection system
    14.
    发明公开
    Deflection system 失效
    偏转系统

    公开(公告)号：EP0556035A3

    公开(公告)日：1994-03-30

    申请号：EP93300974.8

    申请日：1993-02-10

    申请人： RANK BRIMAR LIMITED

    发明人： Cotton, John Richard

    IPC分类号： H04N3/22 ,  H04N3/227

    CPC分类号： H04N3/227

    摘要： A CRT deflection circuit for use in a flying spot telecine scanner comprises a linear amplifier A1 with a resonant flyback circuit 50 and a flyback shift circuit 70 comprising an inductive DC path L2 carrying a DC offset current and a capacitor C2 carrying the raster scan AC current to the flyback circuit. Since the DC offset current is not applied to the flyback circuit 50, the circuit can fly-back to non symmetrical beam positions, so that the entire scan can be displaced by a shift applied to the input of the amplifier A1.

    摘要翻译： 用于飞点电视电影扫描仪的CRT偏转电路包括具有谐振回扫电路50的线性放大器A1和包括载有DC偏移电流的电感DC路径L2和载有光栅扫描AC电流的电容器C2的反激移位电路70 到反激电路。 由于DC偏移电流没有施加到回扫电路50，所以电路可以飞回到不对称的光束位置，从而整个扫描可以通过施加到放大器A1的输入的移位而移位。

    Image pickup device capable of picking up images while electronically enlarging the same
    17.
    发明公开
    Image pickup device capable of picking up images while electronically enlarging the same 失效
    Bildaufnahmeeinrichtung mit elektronischerBildvergrösserung。

    公开(公告)号：EP0391690A1

    公开(公告)日：1990-10-10

    申请号：EP90303618.4

    申请日：1990-04-04

    申请人： SHARP KABUSHIKI KAISHA

    发明人： Matsuda, Noboru

    IPC分类号： H04N3/15 ,  H04N3/22 ,  H04N9/07

    CPC分类号： H04N5/2628 ,  H04N5/208

    摘要： An image pickup device capable of enlarging images while electronically enlarging the same picks up images of an object while electronically enlarging the same twice relative to those in the normal image pickup. In the enlarging image pickup, signals having been delayed by a 6H delay circuit (141) are interpolated by a luminance signal interpolating circuit (20). Horizontal contour of an image based on the interpolated signals is corrected by a horizontal aperture circuit (64), while vertical contour is corrected by a vertical aperture circuit (36) in response to outputs of the 6H delay circuit. Horizontal contour correcting signals and vertical contour correcting signals are added by an aperture adding circuit 70). Meanwhile, color-difference signals have their random noises eliminated by a CNR circuit 47), and are delayed by another 6H delay circuit (142) and interpolated by a color-difference signal interpolating circuit (30). The interpolated.signals are converted by a color-difference signal converting circuit (31) into color-difference signals which are applied to an encoder (78). For the 6H delay circuit, n/2 CCD 1H delay lines are employed which can delay the luminance signals or the color-difference signals by n horizontal scanning periods, so that the delay circuit can be reduced in number.

    摘要翻译： 一种能够在电子放大同时放大图像的图像拾取装置，同时以相对于正常图像拾取中的图像放大两倍的方式来拾取对象的图像。 在放大图像拾取中，由6H延迟电路（141）延迟的信号被亮度信号内插电路（20）内插。 基于内插信号的图像的水平轮廓由水平孔径电路（64）进行校正，同时垂直轮廓由垂直孔径电路（36）根据6H延迟电路的输出进行校正。 水平轮廓校正信号和垂直轮廓校正信号由孔径加法电路70）相加。 同时，色差信号由CNR电路47除去其随机噪声），并由另一个6H延迟电路（142）延迟并由色差信号内插电路（30）内插。 内插信号由色差信号转换电路（31）转换成加到编码器（78）的色差信号。 对于6H延迟电路，采用n / 2 CCD 1H延迟线，其可以将亮度信号或色差信号延迟n个水平扫描周期，使得可以减少延迟电路的数量。

    Image pickup apparatus
    19.
    发明公开
    Image pickup apparatus 失效
    Bildaufnahmegerät。

    公开(公告)号：EP0337424A1

    公开(公告)日：1989-10-18

    申请号：EP89106506.2

    申请日：1989-04-12

    申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

    发明人： Kojima, Ichiro ,  Morimura, Atsushi

    IPC分类号： H04N3/14 ,  H04N3/22

    CPC分类号： H04N5/3454

    摘要： An image pickup apparatus has only a few line memories (5, 6, 7), a change-over switch (4) for selectively supplying input signals to the line memories and a selector (8) for selectively taking data stored in the line memories and stores data of a desired part of the picture to be enlarged or reformed in accordance with a predetermined procedure, and interpolation of the stored data of the scanning lines is sequentially performed, thereby enlarging or reforming the desired part of the picture without lowering quality of the image.

    摘要翻译： 图像拾取装置仅具有几行行存储器（5,6,7），用于选择性地向行存储器提供输入信号的转换开关（4）和用于选择性地采集存储在行存储器中的数据的选择器（8） 并根据预定的程序存储要放大或重整的图像的期望部分的数据，并且依次执行对所存储的扫描行的数据的内插，从而扩大或改造图像的期望部分而不降低图像的质量 图片。

    Stabilization of the television picture width
    20.
    发明公开
    Stabilization of the television picture width 失效
    Fernsehbildbreitenstabilisierung。

    公开(公告)号：EP0336180A2

    公开(公告)日：1989-10-11

    申请号：EP89104871.2

    申请日：1989-03-18

    申请人： NOKIA KULUTUSELEKTRONIIKKA OY

    发明人： Brockman, Hans-Jürgen

    IPC分类号： H04N3/22

    CPC分类号： H04N3/22

    摘要： The invention relates to the measuring circuit of a high vol­tage transformer, by means of which the high voltage (U) of the secodnary is measured, in particular the anode voltage of a television picture tube. According to the invention, the measuring circuit consists of a measuring coil (MM), which is disposed outside the secondary (Mi) in a plane perpendicu­lar to and in the centre of the coils. the measuring win­din advantageously consists of a wire lap (MM′) which is fi­xed to the outer surface of the transformer housing.

    摘要翻译： 本发明涉及一种高压变压器的测量电路，通过该测量电路测量了高压电压（U），特别是电视显像管的阳极电压。 根据本发明，测量电路包括测量线圈（MM），该测量线圈（MM）在与线圈中心垂直的平面中设置在次级（Mi）之外。 测量缠绕有利地由固定到变压器外壳的外表面的线圈（MM min）组成。