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21. 发明授权

US3947871A Color video signal reproducing apparatus 失效
标题翻译：彩色视频信号再现装置
公开(公告)号：US3947871A
公开(公告)日：1976-03-30
申请号：US521203
申请日：1974-11-05
申请人： Shinji Amari , Kazuo Yamagiwa
发明人： Shinji Amari , Kazuo Yamagiwa
IPC分类号： G11B20/02 , H04N9/793 , H04N5/795 , H04N9/49
CPC分类号： H04N9/793
摘要： In a color video signal reproducing apparatus having a plurality of magnetic heads, chrominance signals contained in color video signals respectively reproduced by the plurality of magnetic heads are separately subjected to level or gain control with a view to being equal in level, the levels of the respective chrominance signals are discriminated or detected and, when the level of any one or more of the chrominance signals is outside the control range of the above level or gain control, a so-called color killer operation is carried out.
摘要翻译：在具有多个磁头的彩色视频信号再现装置中，分别由多个磁头再现的彩色视频信号中包含的色度信号分别进行电平或增益控制，以使电平相等，鉴别或检测各个色度信号，并且当色度信号中的任何一个或多个的电平超出上述电平或增益控制的控制范围时，执行所谓的彩色抑制器操作。

22. 发明授权

US4481542A Color video hardcopy recorder, method and media therefor 失效
标题翻译：彩色视频硬拷贝录像机，方法和媒体
公开(公告)号：US4481542A
公开(公告)日：1984-11-06
申请号：US359605
申请日：1982-03-18
申请人： Paul R. Goldberg
发明人： Paul R. Goldberg
IPC分类号： H04N1/00 , H04N1/10 , H04N1/50 , H04N1/60 , H04N9/49
CPC分类号： H04N1/502 , H04N1/00283 , H04N1/504 , H04N1/60 , H04N1/1004
摘要： In a color video hard copy recorder having different areas for recording information representing different colors using a scanning light beam, means are provided for generating signals identifying the different areas and controlling the scanning responsive to the signals so as to record different color information at the different areas.
摘要翻译：在具有用于使用扫描光束记录表示不同颜色的信息的不同区域的彩色视频硬拷贝记录器中，提供用于产生识别不同区域的信号并响应于信号控制扫描的装置，以便在不同的区域记录不同颜色信息地区

23. 发明授权

US4477831A Color gain control circuit 失效
标题翻译：彩色增益控制电路
公开(公告)号：US4477831A
公开(公告)日：1984-10-16
申请号：US380723
申请日：1982-05-10
申请人： Nobukazu Hosoya
发明人： Nobukazu Hosoya
IPC分类号： H04N9/68 , H04N9/535 , H04N9/49
CPC分类号： H04N9/68
摘要： A color gain control circuit for use in a color television receiver set comprises manual and automatic gain controls which are connected in cascade fashion between a power source and a reference potential. The automatic gain control is positioned upstream of the manual gain control. By connecting the manual and automatic gain controls in cascade fashion as described above, these controls can be integrated together and the color gain control circuit can be simplified in its circuit construction, enabling the color amplification system to be integrated.
摘要翻译： PCT No.PCT / JP81 / 00229 Sec。 371日期1982年5月10日 102（e）日期1982年5月10日PCT提交1981年9月10日PCT公布。出版物WO82 / 01110 日期为1982年4月1日。用于彩色电视接收机组的彩色增益控制电路包括在电源和参考电位之间以级联方式连接的手动和自动增益控制。自动增益控制位于手动增益控制的上游。通过以如上所述的级联方式连接手动和自动增益控制，可以将这些控制集成在一起，并且可以在其电路结构中简化色彩增益控制电路，使彩色放大系统能够集成。

24. 发明授权

US4468708A Combined data rate reduction system 失效
标题翻译：组合数据速率降低系统
公开(公告)号：US4468708A
公开(公告)日：1984-08-28
申请号：US316756
申请日：1981-10-30
申请人： Charles H. Coleman, Jr.
发明人： Charles H. Coleman, Jr.
IPC分类号： H04N7/32 , H04B14/06 , H04N9/804 , H04N9/808 , H04N9/49
CPC分类号： H04N9/8081 , H04N9/8082 , H04N9/8042
摘要： A method and apparatus are disclosed for performing a reduction of the data rate of a data stream for transmission through a transmission channel or recording and for subsequently reconstructing the original data stream upon receipt or during reproducing. The method and apparatus utilizes a combination of two processes, one of which eliminates or drops digital samples from the data stream to reduce the data rate for transmission and which subsequently reconstructs the original data stream using the unaltered and recovered digital samples to generate an interpolated value for each of the samples that had been dropped. The second process utilizes differential pulse code modulation for reducing the number of data bits per sample before sending the data stream through the transmission channel and for subsequently restoring the data to its original multi-bit form.
摘要翻译：公开了一种方法和装置，用于执行用于通过传输信道或记录传输的数据流的数据速率的降低，并且用于随后在接收或在再现期间重建原始数据流。该方法和装置利用两个过程的组合，其中之一消除或丢弃数据流中的数字样本，以减少用于传输的数据速率，并随后使用未改变和恢复的数字样本重构原始数据流，以产生内插值对于已经掉落的每个样品。第二个过程利用差分脉冲编码调制，在通过传输通道发送数据流之前减少每个样本的数据位数，并随后将数据恢复到原来的多位形式。

25. 发明授权

US4298884A Chroma amplifier and color killer 失效
标题翻译：色度放大器和彩色杀手
公开(公告)号：US4298884A
公开(公告)日：1981-11-03
申请号：US135947
申请日：1980-03-31
申请人： Daniel L. Reneau
发明人： Daniel L. Reneau
IPC分类号： H04N9/71 , H04N9/49
CPC分类号： H04N9/71
摘要： A chroma amplifier and color killer are described for use in a color television receiver. In a preferred embodiment, the chroma amplifier comprises a first pair of emitter-coupled transistors receiving a current source which has a D.C. operating component and an A.C. chroma signal component. A second pair of emitter-coupled transistors receives another current source which has only a D.C. operating component substantially equal to that received by the first pair of transistors. A variable ACC voltage and a substantially fixed bias voltage are applied to selected base terminals of the transistors such that one of the first pairs of transistors develops a gain controlled A.C. chroma signal output and one of the second pair of transistors develops an ACC-varied D.C. output signal free of chroma component. The latter signal drives a low power color killer for quenching color reproduction when the color component of the broadcast signal is missing or is of very low amplitude.
摘要翻译：彩色放大器和彩色抑制器被描述用于彩色电视接收机。在优选实施例中，色度放大器包括接收电流源的第一对发射极耦合晶体管，其具有直流工作分量和交流电场色度信号分量。第二对发射极耦合晶体管接收另一个电流源，其仅具有基本上等于由第一对晶体管接收的直流工作分量的直流工作分量。可变ACC电压和基本上固定的偏置电压施加到晶体管的选定基极，使得第一对晶体管中的一个晶体管产生增益受控AC色度信号输出，第二对晶体管之一产生ACC变化的DC 输出信号没有色度分量。当广播信号的颜色分量丢失或幅度非常小时，后一种信号驱动低功率彩色抑制器来淬灭色彩再现。

26. 发明授权

US4207588A Color killer 失效
标题翻译：彩色杀手
公开(公告)号：US4207588A
公开(公告)日：1980-06-10
申请号：US2522
申请日：1979-01-11
申请人： Gopal Srivastava
发明人： Gopal Srivastava
IPC分类号： H04N9/70 , H04N9/49
CPC分类号： H04N9/70
摘要： A hysteresis type color killer is described for use in a color television receiver. Lower power dissipation in the color killer is achieved by adapting an existing transistor stage in the chroma channel as a source of d.c. feedback for the color killer. Hence, the transistor stage does double duty and power dissipation is lowered.
摘要翻译：描述了用于彩色电视接收机的滞后型彩色抑制器。通过调整色度通道中的现有晶体管级作为直流电源，实现了色彩消除器中较低的功耗。彩色杀手的反馈。因此，晶体管级实现双重占空比，功耗降低。

27. 发明授权

US4164750A VIR killer signal generator for color television receiver 失效
标题翻译：用于彩色电视接收机的VIR杀手信号发生器
公开(公告)号：US4164750A
公开(公告)日：1979-08-14
申请号：US904449
申请日：1978-05-09
申请人： Nobukazu Hosoya
发明人： Nobukazu Hosoya
IPC分类号： H04N9/70 , H04N17/04 , H04N9/49 , H04N9/535
CPC分类号： H04N9/70 , H04N17/04
摘要： A killer signal generator for use in a color television receiver having an information processing circuit for processing specific information such as VIR information contained in a line during the vertical blanking interval. The killer signal generator comprises a line pulse sampling circuit for generating pulses synchronized with the line in which the specific information is contained, a D.C. restorer for restoring D.C. component of a series of video information, which includes a differential pair composed of first and second transistors, the first transistor having a base receiving the video information including the specific information while the second transistor has a base connected to a constant reference potential and an input end adapted to receive the video information through a capacitor, and for generating D.C. restored output corresponding to the specific information, and a killer signal generator for generating an operation signal for enabling the information processing circuit when the color television receiver receives video information with the specific information and also a killer signal for bringing the information processing circuit into an inoperative condition when it is not.
摘要翻译：一种用于彩色电视接收机的杀手信号发生器，具有用于在垂直消隐间隔期间处理包含在一行中的诸如VIR信息的特定信息的信息处理电路。杀手信号发生器包括用于产生与其中包含特定信息的线同步的脉冲的线脉冲采样电路，用于恢复一系列视频信息的DC分量的DC恢复器，其包括由第一和第二晶体管组成的差分对第一晶体管具有接收包括特定信息的视频信息的基极，而第二晶体管具有连接到恒定参考电位的基极和适于通过电容器接收视频信息的输入端，并且用于产生对应于该特定信息和一个杀手信号发生器，用于产生用于当彩色电视接收机接收具有特定信息的视频信息时能够使信息处理电路工作的信号，以及一个杀手信号，用于使信息处理电路处于不工作状态时不。

28. 发明授权

US3945033A Color eliminating circuit 失效
标题翻译：消色电路
公开(公告)号：US3945033A
公开(公告)日：1976-03-16
申请号：US432179
申请日：1974-01-10
申请人： Yozo Tanihara , Masayasu Niimi
发明人： Yozo Tanihara , Masayasu Niimi
IPC分类号： H04N9/71 , H04N9/70 , H04N9/49
CPC分类号： H04N9/70 , H04N9/71
摘要： A color eliminating circuit comprises a killer detection circuit, a band amplifier circuit and a control circuit. The killer detection circuit detects a color burst signal in a chromatic signal applied to an input thereof, and delivers a killer output voltage to the band amplifier circuit. When the killer output voltage is higher than a predetermined operating voltage of the band amplifier circuit, the band amplifier circuit amplifies the chromatic signal supplied thereto; when the killer voltage is lower than the operating voltage, the band amplifier circuit does not amplify the chromatic signal. The control circuit provides a gate pulse for the detection of the color burst signal, which pulse is applied to a further input of the killer detection circuit. When the killer voltage is below the operating voltage of the band amplifier circuit, the control circuit interrupts the provision of the gate pulse, to prevent the killer voltage from being supplied from the killer detection circuit. Thus, where the field strength of received signals is extremely low, an increase in the killer voltage due to noise, which might inadvertently operate the band amplifier circuit, is avoided.
摘要翻译：彩色消除电路包括一个杀手检测电路，一个带放大器电路和一个控制电路。杀手检测电路检测施加到其输入端的彩色信号中的色同步信号，并将抑制输出电压传送给带放大器电路。当抑制输出电压高于带宽放大器电路的预定工作电压时，带放大器电路放大提供给它的彩色信号; 当抑制电压低于工作电压时，带放大器电路不会放大彩色信号。控制电路提供用于检测彩色同步信号的栅极脉冲，该脉冲被施加到抑制检测电路的另一个输入端。当抑制电压低于带宽放大器电路的工作电压时，控制电路中断提供栅极脉冲，以防止抑制电压从抑制检测电路提供。因此，在接收信号的场强非常小的情况下，避免了可能无意中操作带放大器电路的噪声引起的杀伤电压的增加。

29. 发明专利

AU566646B2 RECEIVER DIGITAL COLOUR VIDEO PROCESSOR WITH COLOUR KILLER/BLANKING FUNCTIONS 未知
公开(公告)号：AU566646B2
公开(公告)日：1987-10-29
申请号：AU1720583
申请日：1983-07-22
申请人： RCA CORP
发明人： LEWIS HENRY GARTON
IPC分类号： H04N9/00 , H04N9/64 , H04N9/70 , H04N9/49
摘要： In a television receiver with digital signal processing circuitry, a composite video signal is sampled by an analog-to-digital converter. A luminance processor responsive to the digital samples of the composite video signal develops digital luminance signals and a chrominance processor develops digital chrominance signals. A digital-to-analog converter coupled to the luminance and chrominance processors develops a plurality of analog output voltages representative of the luminance and chrominance information. A driver circuit converts the analog output voltages to drive signals that are applied to the cathode electrodes of a color picture tube to produce a display of the picture information contained in the composite video signal. A signal generator develops a control signal that is applied to a reset line of the digital-to-analog converter to establish the analog output voltages at predetermined levels. If the control signal, for example, is indicative of the blanking interval within the composite video signal, the predetermined levels established are ones that will produce a blank display.

30. 发明专利

FR2524752B1 未知
公开(公告)号：FR2524752B1
公开(公告)日：1987-10-23
申请号：FR8305254
申请日：1983-03-30
申请人： VICTOR COMPANY OF JAPAN
发明人： TAKAHASHI NOBUAKI , TAKASHIMA SEIICHI , SHIBAMOTO TAKESHI , SUZUKI FUJIO , TANAKA KOJI
IPC分类号： H04N9/804 , H04N9/49 , H04N5/91

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