公开(公告)号：US4445135A

公开(公告)日：1984-04-24

申请号：US317421

申请日：1981-11-02

申请人： Jurgen Heitmann ,  Hans-Peter Maly

发明人： Jurgen Heitmann ,  Hans-Peter Maly

IPC分类号： H04N5/12 ,  H04N5/073 ,  H04N9/44 ,  H04N9/475 ,  H04N9/46 ,  H04N5/04

CPC分类号： H04N5/0736

摘要： A digital main store having a capacity of one field and a buffer store of much lower capacity upstream of the main store are so arranged that the buffer control controls the buffer store to compensate frequency differences between an input television signal and a reference signal. An address generator controls the main store to compensate phase differences between the two signals.

摘要翻译： 具有一个场容量的数字主存储器和在主存储器上游的低容量的缓冲器存储器被布置成使得缓冲器控制器控制缓冲存储器以补偿输入电视信号和参考信号之间的频率差。 地址发生器控制主存储器来补偿两个信号之间的相位差。

公开(公告)号：US4289976A

公开(公告)日：1981-09-15

申请号：US91524

申请日：1979-11-05

申请人： Hans-Peter Maly

发明人： Hans-Peter Maly

IPC分类号： H04L7/00 ,  H04L25/05 ,  H04L25/30 ,  H03K5/13

CPC分类号： H04L25/05 ,  H04L7/0012

摘要： A circuit arrangement is described for the transmission of a digital data signal. The circuit arrangement is inserted as an asynchronous interface into the transmission path between digital data handling systems with differing clock frequencies f.sub.1 and f.sub.2. The circuit arrangement comprises a register 1 of D flip-flops for buffering the input data D.sub.1. The clocking of the register 1 is performed with a special clock signal f.sub.Inter, which is derived from a series circuit of edge controlled R-S and J-K flip-flops 3 and 4 respectively. The result is output data D.sub.2 synchronous with the frequency f.sub.2.

摘要翻译： 描述了用于传输数字数据信号的电路装置。 该电路装置作为异步接口被插入具有不同时钟频率f1和f2的数字数据处理系统之间的传输路径中。 电路装置包括用于缓冲输入数据D1的D触发器的寄存器1。 寄存器1的时钟由分别由边沿控制R-S和J-K触发器3和4的串联电路导出的特殊时钟信号fInter执行。 结果是与频率f2同步的输出数据D2。

公开(公告)号：US4110789A

公开(公告)日：1978-08-29

申请号：US764071

申请日：1977-01-31

申请人： Hans-Peter Maly

发明人： Hans-Peter Maly

IPC分类号： H04N5/067 ,  H04N5/04

CPC分类号： H04N5/067

摘要： A digital system is disclosed for precisely located a television vertical sync signal. The precise location in time of a (k + 1)th pulse used for vertical synchronization is predicted, based on continuously observed past performance, as a function of time interval after the last or (k)th pulse used for horizontal synchronization.

摘要翻译： 公开了一种用于精确定位电视垂直同步信号的数字系统。 基于连续观测的过去性能，预测用于垂直同步的第（k + 1）脉冲的时间精确位置，作为用于水平同步的最后或第（k）个脉冲之后的时间间隔的函数。

公开(公告)号：US4293879A

公开(公告)日：1981-10-06

申请号：US75978

申请日：1979-09-17

申请人： Jurgen Heitmann ,  Hans-Peter Maly ,  Rudolf Wilhelm

发明人： Jurgen Heitmann ,  Hans-Peter Maly ,  Rudolf Wilhelm

IPC分类号： H04N5/783 ,  G11B5/027 ,  H04N5/92 ,  H04N5/937 ,  H04N5/78

CPC分类号： H04N5/937 ,  H04N5/9201

摘要： This invention concerns a method of reproducing, at a selectable magnetic tape speed different from that used during the recording, a video signal stored in a plurality of separate tracks inclined to the center line of the magnetic tape by means of a head wheel carrying peripherally arranged magnetic heads, wherein the addresses of reproduced lines of picture information are derived solely from the composite signal reproduced from the magnetic tape, wherein useful lines are read into respective locations of a picture store in accordance with these line addresses, and wherein the stored lines are read out from the store in a predetermined sequence.In the embodiment described the line addresses are derived by a counter to the counting input of which are delivered pulses which correspond to that of the horizontal synchronizing pulses taken from the magnetic tape, to the resetting input of which are delivered pulses which correspond to the vertical synchronizing pulses taken from the magnetic tape, and to a third input of which are delivered pulses the frequency of which corresponds to the frequency of cross modulation disturbances and each of which causes a change in the registered count by an amount which is determined by the registered count itself and whether the tape reproduction speed is greater or less than the recording speed.

摘要翻译： 本发明涉及一种在与记录期间不同的可选择的磁带速度下再现存储在多个独立磁道中的视频信号，该视频信号通过一个外围布置的磁头轮与磁带的中心线倾斜， 磁头，其中图像信息的再现行的地址仅从从磁带再现的复合信号中导出，其中根据这些行地址将有用行读入图片存储器的相应位置，并且其中存储的行是 以预定的顺序从商店读出。 在所描述的实施例中，线路地址是通过计数输入的计数器导出的，这些计数输入是对应于从磁带获取的水平同步脉冲的递送脉冲，其复位输入是对应于垂直 从磁带获取的同步脉冲和其第三输入的输出脉冲的频率对应于交叉调制干扰的频率，并且每个脉冲引起注册计数的改变量，其由登记的 计数自身以及磁带重放速度是否大于或小于记录速度。

公开(公告)号：US4276563A

公开(公告)日：1981-06-30

申请号：US857024

申请日：1977-12-02

申请人： Jurgen Heitmann ,  Gerhard Illetschko ,  Hans-Peter Maly

发明人： Jurgen Heitmann ,  Gerhard Illetschko ,  Hans-Peter Maly

IPC分类号： G01R13/00 ,  H04N17/00 ,  H04N7/02

CPC分类号： G01R13/00 ,  H04N17/00

摘要： A method and apparatus for representing the amplitude curve of a selected portion of a video signal upon the picture screen of a video display device, at least the selected portion being in digital form and not requiring conversion to analog form prior to such representation.This is achieved by using the line structure of the line raster produced on the picture screen of the video display device as a digital-analog converter. The range of possible digital values for the individual picture elements of the selected line of the video signal are allocated as reference values to respective lines of the line raster, and during each line period of the line raster the digital values of the elements are compared in succession with the appertaining reference value. When during any line period of the line raster the compared values agree the picture screen is momentarily brightened, so that each picture element of the selected line is represented on the screen with a vertical displacement determined by its digital value, so that an amplitude curve similar to an oscillogram is produced having a horizontal time axis.In a further embodiment of the invention, arranged to display the amplitude curve of selected picture elements each taken from a respective line of the video signal, the reference values are allocated to respective columns of the line raster of the display device. The result is the production of an oscillogram on the picture screen having a vertical time axis.

摘要翻译： 一种用于在视频显示设备的画面上表示视频信号的选定部分的幅度曲线的方法和装置，至少所选择的部分是数字形式，并且在这种表示之前不需要转换为模拟形式。 这是通过使用在视频显示装置的图像屏幕上产生的线栅格的线结构作为数模转换器来实现的。 将视频信号的所选行的各个像素的可能的数字值的范围分配为线栅格的各行的参考值，并且在线光栅的每个行周期期间，元素的数字值被比较 具有参考价值的继承。 当在线光栅的任何行周期期间，比较值同意图像屏幕瞬间增亮，使得所选行的每个图像元素在屏幕上以由其数字值确定的垂直位移表示，使得幅度曲线类似 产生具有水平时间轴的波形图。 在本发明的另一个实施例中，被布置为显示从视频信号的各行取出的所选择的图像元素的幅度曲线，将参考值分配给显示装置的线条光栅的相应列。 结果是在具有垂直时间轴的图像屏幕上产生一个波形图。

公开(公告)号：US4220965A

公开(公告)日：1980-09-02

申请号：US912525

申请日：1978-06-05

申请人： Jurgen Heitmann ,  Hans-Peter Maly

发明人： Jurgen Heitmann ,  Hans-Peter Maly

IPC分类号： H04N5/262 ,  H04N9/74 ,  H04N9/535 ,  H04N3/22 ,  H04N5/22

CPC分类号： H04N9/74

摘要： A complete analog color-T.V. signal is separated into a luminance component and a color component. Each component is digitalized and then written into an RAM sequentially using a first addressing schedule for the write-in. The information is then read-out using a different addressing schedule for the read-out. The thusly read out digitalized components are converted back into analog form and combined to form another complete analog color T.V. signal. This technique makes possible a variety of special effects, including horizontal and/or vertical image compression, the display of a half image and alongide it a mirror-symmetrical version thereof, the storage of four color T.V. images in a manner which is interleaved in both the x and y directions of the memory, and others.

摘要翻译： 完整的模拟颜色T.V。 信号被分成亮度分量和颜色分量。 每个组件被数字化，然后使用写入的第一寻址调度顺序地写入到RAM中。 然后使用不同的寻址时间表读出该信息。 这样读出的数字化组件被转换成模拟形式并组合以形成另一个完整的模拟颜色T.V.信号。 这种技术使得可以进行各种特殊效果，包括水平和/或垂直图像压缩，半图像的显示以及它的镜像对称版本，四种彩色电视图像以两种方式交错的方式存储 内存的x和y方向等。

公开(公告)号：US4164749A

公开(公告)日：1979-08-14

申请号：US808700

申请日：1977-06-21

申请人： Jurgen Heitmann ,  Hans-Peter Maly

发明人： Jurgen Heitmann ,  Hans-Peter Maly

IPC分类号： H04N11/04 ,  H04N9/32 ,  H04N9/39

CPC分类号： H04N11/04

摘要： An analog PAL color television signal which is to be encoded is passed through a comb filter to separate the signal into a chrominance component and a luminance component each having a carrier frequency. Each signal is then separately scanned at a rate which is directly related to the color carrier frequency (4.43 MHz) of the signal. The luminance signal is fed to a scanning and holding circuit which scans it at a rate of twice the color carrier frequency or 8.86 MHz. The chrominance signal is fed to a scanning and holding circuit which scans it at a rate which is one-half the color carrier frequency of 2.21 MHz. This scanning and holding of each component signal converts the signals into a corresponding PAM signal. Each PAM signal is then quantized and encoded in a PCM coder. The resulting signals are applied to a digital combiner which thereby produces a digital color video signal.

摘要翻译： 要被编码的模拟PAL彩色电视信号通过梳状滤波器将信号分离成色度分量和各自具有载波频率的亮度分量。 然后以与信号的色彩载波频率（4.43MHz）直接相关的速率分别扫描每个信号。 亮度信号被馈送到以彩色载波频率或8.86MHz的两倍的速率扫描的扫描和保持电路。 色度信号被馈送到扫描和保持电路，扫描和保持电路以2.21MHz的彩色载波频率的一半的速率扫描它。 每个分量信号的扫描和保持将信号转换成相应的PAM信号。 然后将每个PAM信号在PCM编码器中进行量化和编码。 所得信号被施加到数字组合器，从而产生数字彩色视频信号。