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公开(公告)号：US06987362B2
公开(公告)日：2006-01-17
申请号：US10795250
申请日：2004-03-09
申请人： Seok-joo Han
发明人： Seok-joo Han
摘要： A CRT display apparatus having an FBT amplifying an inputted voltage and outputting the amplified voltage to an anode of a CRT, a vertical regulator to regulate a V-size of a screen, and a vertical deflector to vertically deflect a scanning line, further comprises a brightness change sensor to sense a voltage applied to an input terminal of a secondary induction coil provided in the FBT, and to output a sensed signal to the vertical regulator; and a brightness change compensator to output a compensating value to the vertical regulator based on the voltage applied to the input terminal, a frequency of the scanning line, and a specification size of the screen to compensate a brightness change. With this configuration, a V-size fluctuation due to a brightness change is minimized in the CRT display apparatus.
摘要翻译： 一种CRT显示装置，具有放大输入电压并将放大的电压输出到CRT的阳极的FBT，用于调节屏幕的V尺寸的垂直调节器和垂直偏转器以垂直偏转扫描线的CRT显示装置，还包括： 亮度变化传感器，用于感测施加到设置在FBT中的次感应线圈的输入端子的电压，并将感测信号输出到垂直调节器; 以及亮度改变补偿器，用于基于施加到输入端子的电压，扫描线的频率和屏幕的规格尺寸来向垂直调节器输出补偿值，以补偿亮度变化。 利用这种配置，CRT显示装置中由于亮度变化引起的V尺寸波动被最小化。
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公开(公告)号：US06791309B2
公开(公告)日：2004-09-14
申请号：US10393569
申请日：2003-03-21
申请人： Kenichi Nakajima
发明人： Kenichi Nakajima
IPC分类号： G05F316
摘要： A limiter circuit according to this invention includes a first differential amplifier, a first transistor to a base of which the output of the first differential amplifier is applied, a first feedback path, a first current source connected to the emitter of the first transistor, a second differential amplifier, a second transistor to a base of which the output of the second differential amplifier is applied, a second feedback path, a second current source connected to the emitter of the second transistor and a resistance connected between the emitter of the first transistor and the emitter of the second transistor.
摘要翻译： 根据本发明的限幅器电路包括第一差分放大器，第一晶体管，其基极施加第一差分放大器的输出，第一反馈路径，连接到第一晶体管的发射极的第一电流源， 第二差分放大器，第二晶体管，其基极施加第二差分放大器的输出，第二反馈路径，连接到第二晶体管的发射极的第二电流源和连接在第一晶体管的发射极之间的电阻 和第二晶体管的发射极。
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3.发明授权Flexible phase shift compensation for automatic sizing and centering of an image 有权灵活的相移补偿，用于自动调整图像中心和定心公开(公告)号：US06266097B1
公开(公告)日：2001-07-24
申请号：US09165169
申请日：1998-10-01
申请人： Libiao Jiang , Masanobu Kimoto , Shin Fujimori
发明人： Libiao Jiang , Masanobu Kimoto , Shin Fujimori
IPC分类号： H04N504
摘要： A system for processing a video signal is described. Components of the video signal, such as the horizontal sync signal, undergo time delays as the signal propagates and is processed by circuit elements. In order to properly align the components of the video signal for further processing, compensation for the different time delays is introduced.
摘要翻译： 描述用于处理视频信号的系统。 视频信号的分量，例如水平同步信号，随着信号传播并经电路元件处理，经历时间延迟。 为了正确对准视频信号的分量进行进一步处理，引入了不同时间延迟的补偿。
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4.发明授权Method of automatically adjusting a CRT color monitor screen and a CRT color monitor 失效自动调整CRT彩色显示屏和CRT彩色显示器的方法公开(公告)号：US06195123B1
公开(公告)日：2001-02-27
申请号：US09047898
申请日：1998-03-25
申请人： Takeyuki Meguro , Mitsugi Yui
发明人： Takeyuki Meguro , Mitsugi Yui
IPC分类号： H04N1702
摘要： A method of automatically adjusting a CRT color monitor screen and a CRT color monitor are provided in which the horizontal position and size in a horizontal frequency of 100 kHz or so are adjusted at an acceptable accuracy thus reducing the overall cost by steps of examining with a comparison circuit 6, a one-shot circuit 7, and a microcomputer 9 whether a location determining pulse overlaps with a synthetic signal or not while shifting the phase of the location determining pulse in relation to a horizontal synchronizing signal HD, detecting the location of picture signal part of a video signal relative to the horizontal synchronizing signal HD from the result of examination, and automatically adjusting the horizontal position and the horizontal size on the screen in accordance with the result of detection.
摘要翻译： 提供了一种自动调整CRT彩色监视器屏幕和CRT彩色监视器的方法，其中以100kHz左右的水平频率的水平位置和尺寸以可接受的精度进行调整，从而通过以下步骤进行检查来降低整体成本： 比较电路6，单触发电路7和微型计算机9，位置确定脉冲是否与合成信号重叠，同时相对于水平同步信号HD移位位置确定脉冲的相位，检测图像的位置 根据检查结果，相对于水平同步信号HD的视频信号的一部分信号，并根据检测结果自动调整屏幕上的水平位置和水平尺寸。
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公开(公告)号：US6060845A
公开(公告)日：2000-05-09
申请号：US944965
申请日：1997-10-07
CPC分类号： H04N3/223
摘要： A raster distortion correction and deflection circuit arrangement includes a deflection coil adapted to be mounted on a cathode ray tube, a horizontal deflection coil driving circuit for passing a current of saw-tooth waveform of a horizontal deflection period through a horizontal deflection coil constituting the deflection coil, a flyback transformer the primary winding of which is connected between a power supply and an output terminal of the horizontal deflection coil driving circuit, an S-correction capacitor connected in series with the horizontal deflection coil, and an anode voltage detection circuit for detecting variations in an anode voltage of the cathode ray tube which is a secondary winding output of the flyback transformer. A raster distortion correction current based on an output voltage of the anode voltage detection circuit is injected into a connection point of the horizontal deflection coil and the S-correction capacitor. A signal from a signal detection circuit for ABL connected to the flyback transformer can be employed together with an output of the anode voltage detection circuit or in substitution for it for generating the raster distortion correction current.
摘要翻译： 光栅失真校正和偏转电路装置包括适于安装在阴极射线管上的偏转线圈，水平偏转线圈驱动电路，用于使水平偏转周期的锯齿波形的电流通过构成偏转的水平偏转线圈 线圈，其初级绕组连接在水平偏转线圈驱动电路的电源和输出端子之间的回扫变压器，与水平偏转线圈串联连接的S校正电容器和用于检测的阳极电压检测电路 作为回扫变压器的次级绕组输出的阴极射线管的阳极电压的变化。 基于阳极电压检测电路的输出电压的光栅失真校正电流被注入水平偏转线圈和S校正电容器的连接点。 来自与反激式变压器连接的ABL的信号检测电路的信号可以与阳极电压检测电路的输出一起使用，或代替其产生光栅失真校正电流。
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6.发明授权
公开(公告)号：US5856729A
公开(公告)日：1999-01-05
申请号：US748976
申请日：1996-11-14
申请人： Cheng-Di Tsai
发明人： Cheng-Di Tsai
CPC分类号： G09G1/00 , H01J29/701 , H04N3/223 , H04N3/233
摘要： The present invention includes a DC signal generating circuit for generating a DC signal and a ramp signal generating circuit for generating a periodic ramp signal. A synthesizing circuit is then used to combine the DC signal and the ramp signal to generate a synthesized signal, where the DC level of the synthesized signal is determined by the DC level of the DC signal. A driving circuit is used to amplify the power of the synthesized signal. A rotate coil surrounding the neck of a cathode-ray tube is responsive to the amplified synthesized signal, and therefore generates a magnetic force to turn electron beam in the cathode-ray tube, thereby compensating the trapezoidal distortion on the bottom and the top edges of a screen display.
摘要翻译： 本发明包括用于产生DC信号的DC信号发生电路和用于产生周期性斜坡信号的斜坡信号产生电路。 然后使用合成电路来组合DC信号和斜坡信号以产生合成信号，其中合成信号的DC电平由DC信号的DC电平确定。 驱动电路用于放大合成信号的功率。 围绕阴极射线管的颈部的旋转线圈响应于放大的合成信号，因此产生磁力以在阴极射线管中转动电子束，由此补偿底部和顶部边缘上的梯形失真 屏幕显示。
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公开(公告)号：US5801767A
公开(公告)日：1998-09-01
申请号：US661927
申请日：1996-06-11
申请人： Trans Wu
发明人： Trans Wu
CPC分类号： G09G1/165 , H04N3/223 , H04N3/227 , G09G2320/0693
摘要： An image screen automatic adjustment apparatus for a video display monitor device is provided. The apparatus includes a microprocessor for handling the operation of the monitor device and for implementing the image screen adjustments. The monitor device has a switch for enabling the image screen automatic adjustment. Push button processor circuitry is coupled between the switch and the microprocessor for signalling to the microprocessor when the switch is enabled. Image inspection circuitry is coupled to the microprocessor for outputting horizontal and vertical image signals and horizontal front-back porch signals. When the image screen automatic adjustment switch is enabled, the image inspection circuitry provides the horizontal and vertical image signals and the horizontal front-back porch signals to the microprocessor for implementing an optimization analysis processing to obtain a set of optimized control parameters including a vertical size parameter V.sub.size, a vertical position parameter V.sub.position, a horizontal size parameter H.sub.size, and a horizontal position parameter H.sub.position. The microprocessor automatically adjusts the image screen based on this set of optimized control parameter.
摘要翻译： 提供了一种用于视频显示监视装置的图像屏幕自动调节装置。 该装置包括用于处理监视器装置的操作并用于实现图像屏幕调整的微处理器。 监视器具有用于启用图像屏幕自动调整的开关。 按钮处理器电路耦合在开关和微处理器之间，用于当开关被使能时向微处理器发信号。 图像检测电路耦合到微处理器，用于输出水平和垂直图像信号和水平前后门信号。 当启用图像屏幕自动调整开关时，图像检查电路将水平和垂直图像信号和水平前后门信号提供给微处理器，以实现优化分析处理，以获得一组优化的控制参数，包括垂直尺寸 参数Vsize，垂直位置参数Vposition，水平尺寸参数Hsize和水平位置参数Hposition。 微处理器根据这组优化的控制参数自动调整图像屏幕。
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8.发明授权Method and apparatus for driving deflection and high voltage stages in a video display 失效用于在视频显示器中驱动偏转和高压级的方法和装置
公开(公告)号：US5572095A
公开(公告)日：1996-11-05
申请号：US505730
申请日：1995-07-21
申请人： Peter Krause
发明人： Peter Krause
CPC分类号： H03K4/64 , H03K17/601 , H03K4/62 , H04N3/223 , H04N3/27
摘要： The present invention, generally speaking, provides an improved base drive arrangement for scan and/or EHT output stages in a television or video display monitor. In accordance with one aspect of the invention, by adding just a few components to an existing main base drive circuit, two power transistors may be driven, e.g. a scan output transistor and an EHT output transistor. The two power transistors are switched at the same time, allowing pulse width modulators of the scan and EHT circuits to operate on a common time base. Switching of two power transistors at the same time would usually require a quite complicated design to offset the different storage times of the two devices, thereby achieving high performance but at a considerable cost premium. The base drive circuit of the invention achieve substantial synchronization of the two transistors at minimal cost. In accordance with another aspect of the invention, a base drive circuit uses a low DC supply voltage and a resistive element in series with the main current path in order to produce a more constant maximum base current over frequency.
摘要翻译： 一般而言，本发明为电视或视频显示监视器中的扫描和/或EHT输出级提供改进的基本驱动装置。 根据本发明的一个方面，通过将仅几个组件添加到现有的主基极驱动电路中，可以驱动两个功率晶体管，例如， 扫描输出晶体管和EHT输出晶体管。 同时切换两个功率晶体管，允许扫描和EHT电路的脉冲宽度调制器在公共时基上工作。 同时切换两个功率晶体管通常需要相当复杂的设计来抵消两个器件的不同存储时间，从而实现高性能，但成本高昂。 本发明的基极驱动电路以最小的成本实现了两个晶体管的大量同步。 根据本发明的另一方面，基极驱动电路使用与主电流路径串联的低DC电源电压和电阻元件，以便在频率上产生更恒定的最大基极电流。
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9.发明授权
公开(公告)号：US5420643A
公开(公告)日：1995-05-30
申请号：US250998
申请日：1994-05-31
IPC分类号： H04N3/223 , H04N3/27 , H04N5/45 , H04N7/00 , H04N7/01 , H04N9/64 , H04N5/262 , H04N5/272 , H04N9/74
CPC分类号： H04N7/0122 , H04N3/223 , H04N3/27 , H04N5/45 , H04N7/007 , H04N7/01 , H04N7/0105 , H04N9/641
摘要： A circuit for compressing and expanding video color component data comprises a FIFO line memory and a delay circuit. A timing circuit generates control signals for writing data into the line memory and for reading data from the line memory to compress and expand the data. The delay circuit matches the data compressed or expanded in the FIFO line memory to luminance data which is similarly compressed or expanded. A switching network selectively establishes a first signal path in which the line memory precedes the delay circuit for implementing the data expansion and a second signal path in which the delay circuit precedes the line memory for implementing the data compression. The switching network is controlled according to selected display formats requiring compression or expansion, for example by a microprocessor.
摘要翻译： 用于压缩和扩展视频颜色分量数据的电路包括FIFO行存储器和延迟电路。 定时电路产生用于将数据写入行存储器并用于从行存储器读取数据以压缩和扩展数据的控制信号。 延迟电路将FIFO行存储器中压缩或扩展的数据与类似地压缩或扩展的亮度数据进行匹配。 交换网络选择性地建立第一信号路径，其中线路存储器在延迟电路之前用于实现数据扩展，以及第二信号路径，其中延迟电路在线路存储器之前用于实现数据压缩。 根据所需的压缩或扩展的显示格式来控制交换网络，例如由微处理器。
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公开(公告)号：US5420484A
公开(公告)日：1995-05-30
申请号：US42936
申请日：1993-04-05
申请人： Andrew J. Morrish
发明人： Andrew J. Morrish
摘要： Deflection apparatus for a raster scanned cathode ray tube display comprises a ramp generator (210) for producing a current ramp signal synchronised to a raster synchronisation signal. A ramp regulator (230) is connected to the generator (210) for varying the amplitude of the scan signal as a function of the difference between a reference input and a feedback signal. A feedback circuit (220) connected to the generator (210) and to the regulator (230) for generating the feedback signal as a function of the amplitude and frequency of the line scan signal. A multiplier (250) is connected to the regulator and for varying the reference input as a function of an integer multiple of the frequency of the raster synchronisation signal. Any scan signal frequency component in the feedback signal is cancelled at the input to the regulator by introducing, via the multiplier (250), a scan signal frequency component to the reference input. Because the displayed picture size is thus made independent of scan signal frequency, the deflection apparatus can maintain a constant picture size despite variations in scanning signal frequency without the bandwidth limitations of the prior art.
摘要翻译： 用于光栅扫描阴极射线管显示器的偏转装置包括用于产生与光栅同步信号同步的电流斜坡信号的斜坡发生器（210）。 斜坡调节器（230）连接到发生器（210），用于根据参考输入和反馈信号之间的差异来改变扫描信号的幅度。 连接到发电机（210）和调节器（230）的反馈电路（220），用于根据线扫描信号的幅度和频率产生反馈信号。 乘法器（250）连接到调节器并且用于根据光栅同步信号的频率的整数倍来改变参考输入。 通过经由乘法器（250）将扫描信号频率分量引入到参考输入端，反馈信号中的任何扫描信号频率分量在调节器的输入处被抵消。 由于所显示的图像尺寸独立于扫描信号频率，所以尽管扫描信号频率的变化而没有现有技术的带宽限制，但是偏转装置可以保持恒定的图像尺寸。
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