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1. 发明授权

US4456930A Method and apparatus for recording and reproducing a digital information signal 失效
标题翻译：用于记录和再现数字信息信号的方法和装置
公开(公告)号：US4456930A
公开(公告)日：1984-06-26
申请号：US342348
申请日：1982-01-25
申请人： Yoshitaka Hashimoto
发明人： Yoshitaka Hashimoto
IPC分类号： H04N5/92 , G11B5/09 , G11B20/14 , H04N5/926 , H04N9/804 , H04N9/888 , H04N9/89 , H04N9/49
CPC分类号： H04N9/89 , H04N5/926 , H04N9/804 , H04N9/888
摘要： A method of recording and reproducing a video signal with respect to a magnetic tape includes the steps of converting the video signal into digital form; distributing the digitized video signal to a plurality of channels; simultaneously recording the digitized video signal in eight parallel tracks extending obliquely on the tape without guard bands therebetween and with the digitized video signal in alternate ones of the tracks being recorded with a first azimuth angle and the digitized video signal in the remaining tracks being recorded with a second different azimuth angle; reproducing the digitized video signal from the eight parallel tracks; grouping the reproduced digitized video signal into two groups, one group including only those portions of the reproduced digitized video signal that were recorded with the first azimuth angle, and the other group including only those portions of the reproduced digitized video signal that were recorded with the second azimuth angle; and processing the reproduced digitized video signal separately for each group. Apparatus for performing the above method is also provided.
摘要翻译：记录和再现关于磁带的视频信号的方法包括将视频信号转换为数字形式的步骤; 将数字化视频信号分配到多个频道; 同时将数字化视频信号记录在八个平行的轨道上，在轨道上倾斜延伸，而无需其间的保护带，并以第一方位角记录替代轨道中的数字化视频信号，并在其余轨道中记录数字化视频信号第二个不同的方位角; 从八个平行轨道再现数字化视频信号; 将再现的数字化视频信号分组为两组，一组仅包括以第一方位角记录的再现的数字化视频信号的那些部分，另一组仅包括被记录有的再现的数字化视频信号的那些部分第二方位角; 并为每个组分别处理再现的数字化视频信号。还提供了用于执行上述方法的装置。

2. 发明授权

US4357628A Video disc player with burst remover 失效
标题翻译：视频光盘播放器与爆破去除器
公开(公告)号：US4357628A
公开(公告)日：1982-11-02
申请号：US190080
申请日：1980-09-23
申请人： James H. Wharton
发明人： James H. Wharton
IPC分类号： H04N9/793 , H04N9/79 , H04N9/87 , H04N5/76 , H04N5/79 , H04N9/49
CPC分类号： H04N9/7908 , H04N9/87
摘要： A video disc player includes color burst responsive processing circuitry. A burst killer effectively removes burst from the player output when reproducing monochrome program material whereby an improved quality monochrome picture may be obtained from a color television monitor which may be used with the player. The burst killer is controlled on a field-by-field basis in response to an analog or digital signal manifestation of the reproduced video signal whereby the burst killer is automatically enabled and disabled during reproduction of mixed monochrome-color program material.
摘要翻译：视频光盘播放器包括颜色突发响应处理电路。突发杀手在再现单色节目素材时有效地从播放器输出中消除突发，从而可以从可以与播放器一起使用的彩色电视监视器获得改进的质量单色图像。响应于再现的视频信号的模拟或数字信号表现，逐场控制脉冲串抑制器，从而在混合的单色彩色节目素材的再现期间自动启用和禁用脉冲串抑制器。

3. 发明授权

US4253108A Control for color killer and automatic color limiter 失效
标题翻译：控制彩色抑制器和自动限幅器
公开(公告)号：US4253108A
公开(公告)日：1981-02-24
申请号：US44874
申请日：1979-06-04
申请人： Christopher M. Engel
发明人： Christopher M. Engel
IPC分类号： H04N9/71 , H04N9/49
CPC分类号： H04N9/71
摘要： A control network and method for a color television receiver is described for enabling and disabling the limiting action of a conventional ACL (Automatic Color Limiter) circuit, for varying the threshold at which a color killer circuit inhibits reproduction of color images, or for effecting both functions simultaneously. In the preferred embodiment, the control network includes a two-position switch by which the viewer can either increase or decrease the value of a reference signal to thereby control the degree of amplification of a received color signal. An amplifier is responsive to a reduction in the amplitude of the reference signal for substantially disabling the limiting action of the ACL circuit and for causing the color killer to inhibit reproduction of color images when a relatively small amplitude color signal is received. When operation of the switch increases the amplitude of the reference signal, the amplifier responds by enabling the limiting action of the ACL circuit and causing the color killer to inhibit reproduction of color images when a relatively larger amplitude color signal is received.
摘要翻译：描述了一种用于彩色电视接收机的控制网络和方法，用于启用和禁用常规ACL（自动限幅器）电路的限制动作，用于改变彩色抑制电路抑制彩色图像再现的阈值，或用于实现两者功能同时进行。在优选实施例中，控制网络包括两位置开关，通过该开关，观众可以增加或减小参考信号的值，从而控制接收到的颜色信号的放大程度。放大器响应于参考信号的幅度的减小，用于基本上禁用ACL电路的限制动作，并且当接收到相对小的幅度彩色信号时使得彩色抑制器禁止彩色图像的再现。当开关的操作增加参考信号的幅度时，放大器通过启用ACL电路的限制动作作出响应，并且当接收到相对较大幅度的彩色信号时，使得彩色抑制器禁止彩色图像的再现。

4. 发明授权

US4041526A Control of automatic color control and color killer circuits in video signal reproducing apparatus 失效
标题翻译：控制视频信号再现装置中的自动色彩控制和彩色抑制电路
公开(公告)号：US4041526A
公开(公告)日：1977-08-09
申请号：US623409
申请日：1975-10-17
申请人： Shinji Kaneko
发明人： Shinji Kaneko
IPC分类号： G11B20/02 , H04N9/68 , H04N9/71 , H04N9/793 , H04N5/76 , H04N9/49
CPC分类号： H04N9/793 , H04N9/71
摘要： In apparatus for reproducing a signal recorded on a magnetic tape or other record medium and which includes a signal band containing an information signal, such as the chrominance component of a color video signal, and a reference signal of a predetermined frequency occurring only during spaced intervals, such as, the burst signal; the mentioned band of the reproduced signal is applied to a variable gain amplifier for controlling the level of the chrominance component, a burst gate receives the level-controlled output of the amplifier and is gated during the intervals of the burst signal to provide an output during each such interval, a crystal filter tuned to the frequency of the burst signal receives the output of the burst gate so as to pass only the burst signal, and the gain of the variable gain amplifier is controlled in accordance with the combined levels of the outputs of the burst gate and the crystal filter, respectively. In providing the gain control signal for the variable gain amplifier, the outputs of the burst gate and crystal filter may be both level detected and the resulting D.C. voltages then added to provide the gain control signal, or only one of such outputs may be level detected and added to the other output to provide an added signal which is then level detected to provide the gain control signal. The combined levels of the outputs of the burst gate and the crystal filter are also preferably employed to control a color killer circuit in the reproducing apparatus.
摘要翻译：在用于再现记录在磁带或其他记录介质上的信号的装置中，其包括包含信息信号的信号频带（例如彩色视频信号的色度分量）和仅在间隔间隔期间发生的预定频率的参考信号，例如突发信号; 所提出的再现信号的频带被施加到用于控制色度分量的电平的可变增益放大器，突发门控接收放大器的电平控制输出，并且在脉冲串信号的间隔期间被选通以提供输出每个这样的间隔，调谐到脉冲串信号的频率的晶体滤波器接收脉冲串门控的输出，以仅通过脉冲串信号，并且根据输出的组合电平来控制可变增益放大器的增益的突发门和晶体滤波器。在为可变增益放大器提供增益控制信号时，脉冲串栅极和晶体滤波器的输出可以是电平检测的，并且所得到的直流电压然后相加以提供增益控制信号，或者这些输出中的仅一个可以被电平检测并添加到另一个输出端以提供一个附加的信号，然后进行电平检测以提供增益控制信号。突发门和晶体滤波器的输出的组合电平也优选地用于控制再现装置中的彩色抑制电路。

5. 发明授权

US4467369A Apparatus for exposing photosensitive material to video frame 失效
标题翻译：用于将感光材料曝光到视频帧的装置
公开(公告)号：US4467369A
公开(公告)日：1984-08-21
申请号：US352317
申请日：1982-02-25
申请人： Lawrence E. Alston
发明人： Lawrence E. Alston
IPC分类号： H04N5/84 , H04N9/49
CPC分类号： H04N5/84
摘要： In a system for exposing a photosensitive material to a video frame represented by a video signal, the image to be photographed is horizontally scanned by a line scanner and the horizontal line scan is incrementally advanced across the video frame in correspondence with the incremental advancement of an exposing focused line across the photosensitive material in order to fully expose the photosensitive material, one line at a time, to the image being scanned by the line scanner.
摘要翻译：在用于将感光材料曝光到由视频信号表示的视频帧的系统中，要被拍摄的图像被线扫描仪水平扫描，并且水平线扫描与视频帧的增量前进对应地逐渐前进到视频帧将聚焦线穿过感光材料，以便将感光材料（一次一行）完全暴露于由扫描仪扫描的图像。

6. 发明授权

US4419688A Color-television receiver with at least one digital integrated circuit for processing the composite color signal 失效
标题翻译：具有至少一个用于处理复合颜色信号的数字集成电路的彩色电视接收机
公开(公告)号：US4419688A
公开(公告)日：1983-12-06
申请号：US311218
申请日：1981-10-14
申请人： Leslie Miskin , Peter M. Flamm
发明人： Leslie Miskin , Peter M. Flamm
IPC分类号： H04N9/45 , H04N9/64 , H04N9/66 , H04N9/68 , H04N9/70 , H04N9/535 , H04N9/49
CPC分类号： H04N9/70 , H04N9/64
摘要： The color television receiver includes a square-wave clock generator used as a chrominance subcarrier oscillator generating at least four clock signals, the first of which has a frequency four times the chrominance subcarrier frequency, and the second to fourth of which have a frequency equal to the chrominance subcarrier frequency, the first and second clock signals having a mark/space ratio of 1:1; a stage providing a digital chrominance signal, a first digital circuit having as one input signal the digital chrominance signal, and as another input signal the digital chroma control signal to provide a digital amplitude control of the received chrominance subcarrier wave; and a second digital circuit to provide digital PAL identification and color killer action and, if necessary, digital noise-dependent color killer action.
摘要翻译：彩色电视接收机包括一个方波时钟发生器，用作产生至少四个时钟信号的色度副载波振荡器，其中第一个具有四倍于色度副载波频率的频率，其中第二个频率等于色度副载波频率，第一和第二时钟信号具有1：1的标记/空格比; 提供数字色度信号的级，具有数字色度信号的一个输入信号的第一数字电路，以及数字色度控制信号的另一输入信号，以提供所接收的色度副载波的数字幅度控制; 以及第二数字电路，以提供数字PAL识别和颜色杀手动作，并且如果需要，提供数字噪声依赖的杀毒剂动作。

7. 发明授权

US4247867A Apparatus for processing the output voltage of a detection circuit 失效
标题翻译：用于处理检测电路的输出电压的装置
公开(公告)号：US4247867A
公开(公告)日：1981-01-27
申请号：US941366
申请日：1978-09-11
申请人： Hiroshi Gomi , Shinichiro Taguchi
发明人： Hiroshi Gomi , Shinichiro Taguchi
IPC分类号： H03L7/08 , H04N9/455 , H04N9/46 , H03B3/06 , H03D3/18 , H04N9/49
CPC分类号： H03L7/08 , H04N9/455
摘要： The apparatus comprises a phase detection circuit for detecting the phase difference between two input signals to produce a single output which is supplied to charge a capacitor through a gate circuit and a unidirectionally conductive element. The terminal voltage of the capacitor is applied to one control terminal of a differential load circuit. The other control terminal of the load circuit is connected to receive the voltage produced by a bias circuit similar to the gate circuit.
摘要翻译：该装置包括用于检测两个输入信号之间的相位差的相位检测电路，以产生单个输出，该输出被提供以通过栅极电路和单向导电元件对电容器充电。电容器的端子电压施加到差分负载电路的一个控制端子。负载电路的另一个控制端子被连接以接收由类似于门电路的偏置电路产生的电压。

8. 发明授权

US3990104A Circuit arrangement for amplitude controlling an NTSC chrominance signal with high noise immunity 失效
标题翻译：用于幅度控制具有高抗噪声能力的NTSC色度信号的电路装置
公开(公告)号：US3990104A
公开(公告)日：1976-11-02
申请号：US562901
申请日：1975-03-28
申请人： Harro Kormann , Dietfried Susz
发明人： Harro Kormann , Dietfried Susz
IPC分类号： H04N9/45 , H04N9/68 , H04N9/70 , H04N9/71 , H04N9/49
CPC分类号： H04N9/70
摘要： Circuit arrangement for processing a NTSC chrominance signal in which the NTSC color synchronizing signal is modulated in phase so that PAL demodulation techniques may be used for obtaining a low-noise amplification control voltage and/or a low-noise color killing voltage.
摘要翻译：用于处理其中NTSC彩色同步信号被相位调制的NTSC色度信号的电路装置，以便可以使用PAL解调技术获得低噪声放大控制电压和/或低噪声彩色消除电压。

9. 发明授权

US4488170A Synchronizing circuit for a television receiver 失效
标题翻译：用于电视接收机的同步电路
公开(公告)号：US4488170A
公开(公告)日：1984-12-11
申请号：US397391
申请日：1982-07-12
申请人： Antonius H. H. J. Nillesen
发明人： Antonius H. H. J. Nillesen
IPC分类号： H04N5/08 , H04N5/04 , H04N5/12 , H04N9/44 , H04N9/49
CPC分类号： H04N5/12 , H04N9/44
摘要： A synchronizing circuit arrangement for a television receiver having an oscillator which generates a clock signal the frequency of which is substantially higher than the line frequency and having a frequency dividing circuit which derives signals of the line frequency from the clock frequency by means of division. During a predetermined number of line periods a phase comparison stage determines the average value of the phase deviation between the received line synchronizing signal and a reference signal of the line frequency and applies the value obtained to a preset stage for adjusting in a subsequent time interval, for example one line period during the field blanking interval, the divisor by which the frequency dividing circuit divides the clock frequency. The clock frequency may be a multiple of the chrominance subcarrier frequency, in which case the oscillator is continuously readjusted by the phase comparison stage when the color killer circuit is operative, while the divisor is not changed.
摘要翻译：一种用于电视接收机的同步电路装置，具有振荡器，该振荡器产生频率明显高于线路频率的时钟信号，并具有通过除法从时钟频率导出线路频率的信号的分频电路。在预定数量的行周期期间，相位比较级确定接收到的行同步信号与行频参考信号之间的相位偏差的平均值，并且将获得的值应用于预设阶段以便在随后的时间间隔中进行调整，例如在场消隐间隔期间的一个行周期，分频电路除以时钟频率的除数。时钟频率可以是色度副载波频率的倍数，在这种情况下，当彩色抑制电路工作时，振荡器被相位比较阶段连续重新调整，而除数不变。

10. 发明授权

US4430674A Color video signal processing circuit 失效
标题翻译：彩色视频信号处理电路
公开(公告)号：US4430674A
公开(公告)日：1984-02-07
申请号：US238026
申请日：1981-02-25
申请人： Shinichiro Taguchi , Nobuya Nagao , Yutaka Ogihara
发明人： Shinichiro Taguchi , Nobuya Nagao , Yutaka Ogihara
IPC分类号： H04N9/793 , H04N9/49
CPC分类号： H04N9/793
摘要： DC control signals responsive to ACC voltages are applied to a color signal amplifier, to which recording and reproducing color signals are applied, to control the operation of the color signal amplifier to recording or reproducing mode. Such control is attained by using color killer signal responsive to mode changeover and ACC detector signals which serve to assign the color signal amplifier to recording or reproducing mode. Color signals are obtained from the output terminal of the color signal amplifier in both modes. In the case of recording mode, essentially undesirable recording color signals appearing to the output terminal of the color signal amplifier are by-passed by a low-pass filter, and only ACC detector voltages which are used as color killer signals are supplied to a mixer circuit which mixes brightness and color signals to generate composite color signals to be recorded. This recording signal mixer circuit serves to restrain, if necessary, low frequency converted color signals from being supplied from the recording signal mixer circuit to a recording head responsive to color killer signals. In the case of reproducing mode, color signals appearing to the output terminal of the color signal amplifier are supplied to a reproducing mixer which composes composite color signals to be reproduced from brightness and color signals to be reproduced. Input signals to the color signal amplifier are treated at the time of recording mode in such a way that color killer voltages are superposed on essentially undesirable recording color signals to extract only color killer voltages on the output terminal side of the color amplifier, thus allowing the circuit, which functions as the color amplifier at the time or reproducing mode, to serve as the circuit for treating color killer signals at the time of recording mode, or making the function of the single circuit different in reproducing and recording modes.
摘要翻译：响应于ACC电压的DC控制信号被施加到被施加记录和再现颜色信号的彩色信号放大器，以控制彩色信号放大器对记录或再现模式的操作。通过使用响应于模式切换的色彩抑制信号和用于将彩色信号放大器分配给记录或再现模式的ACC检测器信号来实现这种控制。在两种模式下，从彩色信号放大器的输出端获得彩色信号。在记录模式的情况下，出现在彩色信号放大器的输出端上的基本不希望的记录颜色信号被低通滤波器旁路，并且只有用作彩色抑制信号的ACC检测器电压被提供给混频器混合亮度和颜色信号以产生要记录的复合颜色信号的电路。如果需要，该记录信号混频器电路用于抑制从记录信号混频器电路向响应于彩色抑制信号的记录头提供低频转换的彩色信号。在再现模式的情况下，出现在彩色信号放大器的输出端的彩色信号被提供给一个再现混合器，该再现混合器构成要被再现的亮度和颜色信号被再现的合成彩色信号。输入到彩色信号放大器的信号在记录模式时被处理，使得抑制器电压叠加在基本上不希望的记录颜色信号上，以仅在彩色放大器的输出端侧提取彩色抑制电压，从而允许在时间或再现模式下用作彩色放大器的电路用作在记录模式时用于处理彩色抑制信号的电路，或者使得单个电路的功能在再现和记录模式上不同。

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