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公开(公告)号：US5355370A
公开(公告)日：1994-10-11
申请号：US909108
申请日：1992-07-02
申请人： Jon A. Fairhurst , Jay S. Baker
发明人： Jon A. Fairhurst , Jay S. Baker
CPC分类号： H04N5/268
摘要： A crosspoint matrix with integrated matte generators includes double buffered internal storage registers which may be serially loaded with mode and selection data to enable the crosspoint matrix to operate in a crosspoint mode wherein a selected input bus is directed to selected output bus. Further, the crosspoint matrix may be operated in a matte generator mode wherein the stored data is supplied to the output bus as a matte signal. The matte signal may be selectively toggled through a series of values to enable operation with both D1 and D2 signals. The data is latched in response to a vertical pulse which enables data values to be written in non-real time as a background task while the actual switch of data is accomplished only upon receipt of a vertical pulse.
摘要翻译： 具有集成消光发生器的交叉点矩阵包括双缓冲内部存储寄存器，其可以串行地加载模式和选择数据，以使得交叉点矩阵能够以交叉点模式工作，其中所选择的输入总线被引导到选择的输出总线。 此外，交叉点矩阵可以以无光发生器模式操作，其中将存储的数据作为无光信号提供给输出总线。 无光泽信号可以选择性地切换一系列值以使D1和D2信号同时进行操作。 数据被锁存以响应垂直脉冲，使得数据值可以非实时写入作为后台任务，而数据的实际切换仅在接收到垂直脉冲时才完成。
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公开(公告)号：US5285283A
公开(公告)日：1994-02-08
申请号：US904404
申请日：1992-06-25
CPC分类号： H04N5/272
摘要： A switcher with depth processing includes a depth processor module. External depth data, or internally generated depth data, are input to the depth processor to generate a priority signal for combining key video signals as layers between a background and a foreground video signal. Further a composite depth signal is generated for the combined key video signals for subsequent processing so that additional key video layers may be intersected and intertwined with the key video layers in the combined video signals.
摘要翻译： 具有深度处理的切换器包括深度处理器模块。 外部深度数据或内部生成的深度数据被输入到深度处理器以产生用于将关键视频信号组合为优选背景和前景视频信号之间的层的优先信号。 此外，为组合的关键视频信号生成复合深度信号用于后续处理，使得附加的关键视频层可以与组合的视频信号中的关键视频层相交和交织在一起。
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公开(公告)号：US4562406A
公开(公告)日：1985-12-31
申请号：US418900
申请日：1982-09-16
申请人： Jay S. Baker
发明人： Jay S. Baker
CPC分类号： H03F3/347 , H03G1/0017 , H03G1/02
摘要： An improved voltage controlled amplifier employing an operational transconductance amplifier which is temperature independent and offering an improved dynamic range for the input signal is disclosed. An operational amplifier configured in the inverting mode is used as an input device having a first operational transconductance amplifier in the feedback path as a gain control element. The output of the operational amplifier provides a control voltage to effectively drive a second operational transconductance amplifier.
摘要翻译： 公开了采用与温度无关并为输入信号提供改进的动态范围的运算跨导放大器的改进的压控放大器。 以反相模式配置的运算放大器用作具有作为增益控制元件的反馈路径中的第一运算跨导放大器的输入装置。 运算放大器的输出提供控制电压以有效地驱动第二运算跨导放大器。
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公开(公告)号：US4532604A
公开(公告)日：1985-07-30
申请号：US418904
申请日：1982-09-16
申请人： Jay S. Baker
发明人： Jay S. Baker
CPC分类号： G11B20/02
摘要： A predistortion error signal, corresponding to the third harmonic of an input signal, is generated by obtaining the absolute value of the input signal and multiplying it by the input signal of given sign to provide the square of the latter times the sign of the input signal. The squared signal then is multiplied by the absolute value of the input signal again to provide the desired cube of the input signal.
摘要翻译： 通过获得输入信号的绝对值并将其乘以给定符号的输入信号，产生对应于输入信号的三次谐波的预失真误差信号，以将后者的平方乘以输入信号的符号 。 然后将平方信号再次乘以输入信号的绝对值，以提供输入信号的所需立方体。
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公开(公告)号：US4520276A
公开(公告)日：1985-05-28
申请号：US418901
申请日：1982-09-16
申请人： Jay S. Baker
发明人： Jay S. Baker
摘要： An error amplifier receives an on/off signal and supplies an error signal to an integrator. The latter provides a ramp output, which is fed back to the error amplifier whereby the error signal therefrom further is dependent upon the ramp output. The error signal is selectively clamped positively and negatively whereby the resulting ramp output has a constant ramp time, with no ramp on/off delay.
摘要翻译： 误差放大器接收开/关信号并向积分器提供误差信号。 后者提供斜坡输出，其被反馈到误差放大器，由此误差信号进一步取决于斜坡输出。 误差信号被选择性地钳位正负，从而得到的斜坡输出具有恒定的斜坡时间，没有斜坡开/关延迟。
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