CN1079621C - Image pickup device and its signal processor - Google Patents

Image pickup device and its signal processor Download PDF

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CN1079621C
CN1079621C CN 95197767 CN95197767A CN1079621C CN 1079621 C CN1079621 C CN 1079621C CN 95197767 CN95197767 CN 95197767 CN 95197767 A CN95197767 A CN 95197767A CN 1079621 C CN1079621 C CN 1079621C
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signal
circuit
output
input
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CN1178054A (en )
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西泽明仁
衣笠敏郎
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株式会社日立制作所
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Abstract

本发明提供具有可自由替换摄像头的新的模拟接口的摄像装置。 The present invention provides an imaging apparatus having an analog interface consisting of a new alternative to the camera. 摄像头部分(1)由摄像器件(11)、驱动电路(14)、同步信号发生电路(18)构成。 A camera portion (1) by the imaging device (11), a drive circuit (14), the synchronizing signal generating circuit (18) constituted. 彩色及亮度信号产生部分(6)由摄像处理电路(51)、Y/C分离及解调处理电路(57)、信号判别电路(56)构成。 The color and luminance signal generating section (6) by the imaging processing circuitry (51), Y / C separation and demodulation processing circuit (57), signal determination circuit (56) constituted. 对来自摄像头部分(1)的输出信号附加同步信号,利用同步信号判别信号的种类,从而进行摄像处理和Y/C分离及解调处理的切换。 An output signal from the camera portion (1) an additional synchronization signal using a synchronization signal type discriminating signal, thereby switching the imaging process and the Y / C separation and demodulation processing.

Description

摄像装置及其信号处理装置 Image pickup means and a signal processing means

技术领域 FIELD

本发明涉及固体摄像装置,特别涉及用电缆延长摄像头部分和彩色及亮度信号产生部分的摄像装置及其信号处理装置。 The present invention relates to a solid-state imaging apparatus, and particularly relates to an imaging apparatus and a signal processing section of the apparatus and to extend the color camera portion and the luminance signal generated by the cable.

背景技术 Background technique

如IEEE Trans.,CE-33,2,P.85(1987)上发表的“CCD微型彩色摄像机”所述,现有技术常把包括信号处理的单元部分(以下记为彩色及亮度信号产生部分)和包括摄像器件的单元部分(以下记为摄像头部分)组合起来使用。 The IEEE Trans., CE-33,2, P.85 published in (1987) "CCD miniature color camera," said, the prior art usually comprises a signal processing unit section (hereinafter referred to as the color and luminance signal generation section ) and the cell portion comprises an imaging device (hereinafter referred to as a camera portion) in combination.

现有技术中,由于能用电缆延长摄像头部分和彩色及亮度信号产生部分,即使把彩色及亮度信号产生部分装在个人计算机的內部,由于摄像头部分不固定在个人计算机中,所以可用任何角度摄像,不过,在使用多个摄像机、把时分割图像数据送入个人计算机的情况下,由于必须把刚好相同于摄像头部分数量的彩色及亮度信号产生部分內装在个人计算机的内部,因而就要考虑成本增加的情况。 The prior art, since the use cable extension camera portion and the color and luminance signal generation section, the inside even if the color and luminance signal generation portion installed in the personal computer, since the camera portion is not fixed in the personal computer, so it can be any angle imaging However, in the case of using a plurality of cameras, the divided image data into the personal computer, since it is necessary to exactly the same number of imaging portion of the head color and luminance signal generating section incorporated in the interior of a personal computer, and thus must consider increase the cost of the case.

发明的公开本发明的目的在于提供可自由替换摄像头、并配有新的模拟接口的摄像装置。 Object of the invention disclosed in the present invention is to provide an imaging device camera can be freely replaced, and with a new analog interface. 为实现上述目的,本发明在来自摄像头部分的输出信号中附加同步信号。 To achieve the above object, the present invention is an additional synchronization signal in the output signal from the camera portion. 通过在来自摄像头部分的输出信号中附加与标准模拟接口相同的同步信号,就可与NTSC、PAL等方式的电视信号一样处理摄像器件的输出信号,而不必配有多个摄像头以后的信号处理,可将任意个数的摄像头连接在一个彩色及亮度信号产生部分上,并可自由地替换摄像头。 By adding the output signal from the camera portion with the standard analog interface to the same synchronization signal can TV signal NTSC, PAL and other forms of the same process the imaging device output signal, rather than with the subsequent plurality of camera signal processing, any number of cameras may be connected to one of the color and luminance signal generation section, and replaceable camera freely. 这样,就不必对每个摄像头配置信号处理电路,可实现电路规模的降低。 Thus, it is not necessary to configure a signal processing circuit for each camera, reducing the circuit scale can be achieved. 因此,还可大幅度地降低成本。 Therefore, the cost can be significantly reduced.

而且,有时在配有上述新式模拟接口的摄像装置上,不仅想要连接摄像部分,而且还想要连接输出NTSC/PAL等电视信号的VTR和VTR一体型摄像机,此时,由于用户必须区别是来自摄像头的信号还是来自电视信号,因而存在使用不方便的新问题。 Also, sometimes the above-described image pickup devices with new analog interface, not only want to connect the image pickup section, but also want to connect the output of a VTR-integrated camera and VTR NTSC / PAL television signal, etc. In this case, since the user must be distinguished signal from the camera or from the television signal, and thus there is a new problem inconvenient to use. 为解决这个问题,本发明的目的在于提供可获得不区别对待来自摄像头的信号和来自电视信号的摄像装置。 To solve this problem, an object of the present invention to provide a discrimination signal is not obtained and the image pickup apparatus from the television signal from the camera.

为实现上述目的,本发明的摄像装置包括:摄像头部分和所述彩色及亮度产生电路以及连接部分,摄像头部分至少具备:摄像器件;驱动该摄像器件的定时产生电路;按照该定时产生电路的定时产生同步信号的同步信号产生电路;将来自该摄像器件的输出信号与该同步信号产生电路产生的同步信号相加的加法电路;和按点顺序输出来自并附加了该同步信号的该摄像器件的输出信号的输出装置,所述彩色及亮度产生电路至少具备:输入外部来的信号的输入装置;判别电路,判别由该输入装置输入的信号是来自所述第1单元的输出信号还是电视信号;摄像信号处理电路,从所述第1单元的输出信号产生彩色信号及亮度信号;Y/C和解调处理电路,从该电视信号产生彩色信号及亮度信号;和切换电路,按照该判别电路的结果切换处理的连接部分可拆卸地连接 To achieve the above object, an imaging apparatus according to the present invention comprises: a camera portion and the color and luminance generation circuit and a connection portion, the camera portion includes at least: an imaging device; a timing generating circuit for driving the imaging device; generating a timing circuit in accordance with the timing of synchronizing signal generating circuit generating a signal; the output signal from the imaging device with the synchronizing signal generating circuit generates a synchronization adding circuit adding signals; and by the additional dot sequentially output from the imaging device and the synchronization signal outputting an output signal, the luminance and color generating circuit comprising at least: input means for inputting a signal to the external; discrimination circuit, it is determined by the input signal of the input means is the output signal from the first unit or the television signal; image signal processing circuit, the first output signal generating means from the luminance signal and the color signal; Y / C and demodulation processing circuit generating a luminance signal and a color signal from the television signal; and a switching circuit, in accordance with the discrimination circuit processing a result of switching the connection portion is detachably connected 述摄像头部分和所述彩色及亮度产生电路,向所述彩色及亮度产生电路输入来自所述摄像头部分的信号和电视信号两者。 Said camera portion and the luminance and color generation circuit generating both a television signal and the signal from the camera head portion circuit and input to the color brightness. 按照所述判别电路的结果,来自摄像部分的信号,在摄像信号处理电路中处理,来自输出电视信号的VTR或VTR一体型摄像机的信号,在Y/C及解调处理电路中进行处理。 According to the result of said discrimination circuit, a signal from the imaging section, the imaging signal processing circuit processing an output signal from the VTR or television signals VTR integrated camera, processing the Y / C processing and demodulation circuit. 利用这种结构,由于从上述附加的同步信号可自动地判别信号是摄像头部分的输出信号还是电视信号,所以可用同一输入端子进行输入,使用者不必判断信号的种类只要简单地一接即可使用,而且使用方便,可抑制因连接错误而造成的误动作。 With this configuration, since the determination may be automatically synchronizing signal from said additional signal is a television signal or the output signal of the camera portion, the input terminal can be used the same input, the user does not determine the type of signal contact simply to use a and easy to use, can be suppressed due to connection errors caused by malfunction.

图1是表示本发明整体构成的一个例子的图。 FIG 1 shows an example of the overall configuration of the present invention, FIG.

图2是表示图1的摄像头部分构成的一个例子的图。 FIG 2 is a diagram showing an example of a camera configuration of part of FIG. 1 FIG.

图3是表示图1的彩色及亮度信号产生部分构成的一个例子的图。 FIG 3 shows an example of the configuration of the color portion of the luminance signal and generating FIG.

图4是表示来自摄像头的输出信号的一个例子的示意图,(a)表示象素混合模式图,(b)表示摄像头输出信号的图。 FIG 4 is a diagram showing an example of an output signal from the camera, (a) denotes a pixel mixing schematic view, (b) a view showing camera output signal.

图5是表示来自图1的摄像头部分、并附加了同步信号的输出信号的一个例子的图。 FIG. 5 shows a portion from the camera of FIG. 1, and an additional example of the output signal of the synchronizing signal of FIG.

图6是表示本发明整体构成的另一个例子的图。 FIG 6 shows another example of the overall configuration of the present invention, FIG.

图7表示由图6的彩色及亮度信号产生部分构成的一个例子的图。 FIG. 7 shows an example of configuration of part generated by the color and luminance signals of FIG.

图8是表示图1和图6的摄像头部分构成的另一个例子的图。 FIG 8 is a diagram showing another example of the camera portion of FIGS. 1 and 6 thereof.

图9是表示图1和图6的彩色及亮度信号产生部分构成的又一个例子的图。 FIG 9 is a diagram showing the luminance and color signals of FIGS. 1 and 6 generates a further example of the configuration of FIG portion.

图10是表示摄像器件的水平采样周期与象素同步信号周期的一个例子的图,(a)表示来自摄像头部分的输出信号的图;(b)表示象素混合摄像器件模式图。 FIG 10 is a diagram showing an imaging device according to an example of a sampling period of the horizontal synchronizing signal period of the pixel FIG, (a) a diagram showing an output signal from the camera portion; (b) represented by the blend mode imaging device of FIG.

下面,用图1、2、3、4及图5说明本发明的第1实施例。 Next, a first embodiment of the present invention will be described with reference to FIG, 3, 4 and 5. 图1是表示本发明整体构成的一个实施例的图,图2是表示图1实施例的摄像头部分构成的一实施例的图,图3是表示图1实施例的信号处理部分构成的一个实施例的图,图4和图5是表示来自图1实施例的摄像头部分的输出信号的一实施例的图。 FIG 1 shows one embodiment of the overall configuration of the present invention, FIG 2 is a diagram showing an embodiment of a camera part of an embodiment of FIG. 1 configuration, FIG. 3 shows an embodiment of a signal processing part of an embodiment of FIG. 1 configuration FIG embodiment of FIG. 4 and FIG. 5 is a diagram showing an embodiment of an output signal from the camera portion of the embodiment of FIG.

如图1所示,本实施例由摄像头部分1、摄像头部分1的信号输出端子2、电缆5、彩色及亮度信号产生部分6、彩色及亮度信号产生部分6的输入信号端子4、以及监视器3构成,用电缆5连接摄像头部分1的信号输出端子2和彩色及亮度信号产生部分6的信号输入端子4,用监视器3显示在彩色及亮度信号产生部分6中产生的信号。 1, the present embodiment by the camera section 1, a signal output terminal 2 of the camera portion 1, the cable 5, the luminance and color signal generating section 6, the luminance signal and the color signal input terminal 4 is generated, and a monitor section 6 3, and is connected camera 2 and the color signal and the luminance signal output terminal portion generating a signal input portion 6 of terminal 4, the display signal generating section 6 generates a luminance signal and a color monitor 5 3 cable.

如图2所示,摄像头部分1包括透镜10,摄像器件11,CDS(矫正双采样)电路12,驱动摄像器件的定时发生驱动电路14,由水平同步信号产生电路15和垂直同步信号产生电路16及象素同步信号产生电路17构成的同步信号发生电路18,以及对来自摄像器件11的输出信号和同步信号发生电路18产生的同步信号进行加法运算的加法电路13。 2, the head portion 1 includes a camera lens 10, an imaging device 11, CDS (corrected double sampling) 12, a timing generation circuit for driving the image pickup device driving circuit 14, circuit 15 generates a vertical synchronization signal and a horizontal synchronizing signal generating circuit 16 synchronizing signal generating circuit and the pixel circuit 17 18 constituting the synchronizing signal generator, and a synchronization signal generating circuit 18 generates an output signal and a synchronization signal from the image pickup device 11 is the adding circuit 13 add operation. 并且,摄像器件11的输出与CDS电路12的输入连接,CDS电路12的输出与加法电路13的四个输入中的一个连接,加法电路13的输出与摄像头1的信号输出端子2连接,驱动电路14的两个输出中的一个与摄像器件11连接,另一个分别与水平同步信号产生电路15和垂直同步信号产生电路16及象素同步信号产生电路17的输入连接,水平同步信号产生电路15、垂直同步信号产生电路16和象素同步信号产生电路17的相应输出与加法电路13的输入连接。 Further, the input and output of the CDS circuit imaging device 11 12 is connected to a connecting four input and output of the adding circuit CDS circuit 12, 13, and outputs a camera adder circuit 13 the signal output terminal of a connector 2, the driving circuit two outputs 14 in the image pickup device 11 are connected with one another respectively generating circuit 15 and a vertical synchronization signal and a horizontal synchronizing signal generating circuit 16 and the pixel synchronizing signal generating circuit 17 is connected to an input horizontal synchronizing signal generating circuit 15, vertical synchronizing signal generating circuit 16 and the pixel synchronizing signal generating circuit 17 corresponding output connected to the input of the adder circuit 13.

如图3所示,彩色及亮度信号产生部分6包括由A/D转换电路50、彩色信号产生电路53和亮度信号产生电路52构成的摄像信号处理电路51,同步分离电路55和时钟产生电路54,并且,信号输入端子4与A/D转换电路50及同步分离电路55的输入连接,同步分离电路55的输出与时钟产生电路54的输入连接,时钟产生电路54的输出与彩色信号产生电路53,亮度信号产生电路52及A/D转换电路50的时钟输入连接,A/D转换电路50的输出与彩色信号产生电路53及亮度信号产生电路52的输入连接。 As shown, the color and the luminance signal generating section 6 comprises 3 50, color signal generated by the A / D conversion circuit and the luminance signal circuit 53 generates the imaging signal processing circuit 51 composed of the circuit 52, sync separation circuit 55 and a clock generating circuit 54 , and the signal input terminal 4 is connected and the input sync separator circuit 55, an a / D conversion circuit 50, sync separation circuit 55 outputs a clock generating an input connected to circuit 54, a clock generating circuit 54 is output generating circuit 53 and the color signal , the luminance signal generation circuit 52 and a / D conversion circuit 50 is connected to the clock input, the output of a / D conversion circuit 50 and the color signal generating circuit 53 and a luminance signal generating circuit 52 is connected to the input.

本实施例用摄像器件11把经透镜10入射的光转换成电信号,并用CDS电路12对该信号进行降低噪音处理。 Example embodiments of the present imaging device 11 for converting light through the lens 10 is incident into an electrical signal, and noise reduction processing for the signal of the CDS circuit 12. 同步信号发生电路18对驱动电路14的输出脉冲进行分频,产生在水平回扫线期间的一部分上有一次变为低电平的水平同步信号、在垂直回扫线期间的一部分上有数次变为低电平的垂直同步信号和在水平回扫线期间的一部分上以摄像器件的象素周期产生数次反复高电平与低电平的象素同步信号。 Synchronizing signal generating circuit 18 outputs a pulse drive circuit 14 is divided down to produce a portion of the horizontal retrace line period has a horizontal synchronizing signal becomes low level, there is a portion of the vertical retrace line period becomes several times a portion of the vertical synchronizing signal and a low level during the horizontal retrace line is repeated several times to produce high and low pixel synchronization signal period of the imaging device is pixel. 加法电路13,对用CDS电路12进行过降低噪声处理的信号,附加同步信号发生电路18产生的同步信号,并向摄像头部分1的信号输出端子2输出信号。 An adder circuit 13, to the CDS circuit 12 through a noise reduction signal processing circuit 18 generates a synchronization signal synchronizing the additional signal occurs, the signal output terminal 2 and the output signal of the camera section 1. 若使用图4(a)所示那样的象素排列的摄像器件作为摄像器件11,那么则由摄像头部分1输出信号,在图4(b)所示的(G+Cy)和(Mg+Ye)、(Mg+Cy)和(G+Ye)的点顺序的信号上附加图5所示那样的同步信号。 The use of FIG. 4 (a) as shown in the imaging device imaging pixels arranged as a device 11, the camera section 1 by the output signal in FIG. 4 (b) shown in (G + Cy) and (Mg + Ye ), the signals (Mg + Cy) and (G + Ye) the dot-sequential additional synchronization signal as shown in FIG. 5. 图5中,30表示水平同步信号,31表示象素同步信号、32表示摄像器件的输出信号。 5, 30 denotes a horizontal synchronizing signal, 31 denotes a pixel synchronization signal 32 represents the output signal of the imaging device. 而且,彩色及亮度信号产生部分6,在同步分离电路55中从来自摄像头部分1的输出信号分离同步成分,以该同步成分作为基准,时钟产生电路54生成时钟。 Moreover, the color and the luminance signal generating section 6, the synchronization separating circuit 55 for separating a sync signal component from the output from the camera portion 1 to the synchronizing component as the reference clock generating circuit 54 generates a clock. A/D转换电路50,与所述时钟同步,将来自摄像头部分1的输出信号转换成数字信号,彩色信号产生电路53及亮度信号产生电路52从所述数字信号生成二个色差信号和亮度信号。 A / D conversion circuit 50, synchronized with the clock, the output signal into a digital signal from the camera portion 1, the color signal generation circuit 53 and a luminance signal generation circuit 52, two color difference signals and the luminance signal generated from the digital signal . 而且,对彩色及亮度信号产生部分6产生的信号进行适当处理,并在监视器3上显示图像。 Further, a signal generating section 6 appropriately processing a luminance signal and color, and displays the image on the monitor 3.

本实施例中,由于在来自摄像头部分1的输出信号中附加有同步成分,可完全独立地进行摄像头部分1和彩色及亮度信号产生部分6的处理,所以在彩色及亮度信号产生部分6上可自由地连接多个摄像头或种类不同的摄像头。 In this embodiment, since the added output signal from the camera section 1 in synchronous component, completely independently of the camera portion 1 is generated and the color and luminance signal processing section 6, it produces a portion 6 in the color and luminance signals a plurality of freely connecting different types of cameras or camera. 按照这种结构,每个摄像头部分可不必分别附带信号处理部分,可谋求减小电路规模和降低成本。 According to this structure, each portion may not necessarily be included with the camera signal processing section, respectively, can seek to reduce the circuit scale and cost. 而且,由于彩色及亮度信号产生部分6能从附加在摄像头上的同步信号产生所有必要的时钟,所以可减短连接摄像头与彩色及亮度信号产生部分6的信号线。 Further, since the color and brightness from the additional signal generating section 6 on the camera synchronizing signal generating all clocks necessary, it is possible to shorten the camera the color signals and the luminance signal generating line connection section 6. 还有,通过利用作为象素周期的同步信号的象素同步信号,可知道各彩色象素的正确象素位置,所以可分离出正确的色彩。 Further, by using the pixel as the pixel sync signal period of the synchronization signal, know the correct position of each pixel of the color pixel, so that the correct color separable.

下面利用第6图,第7图及第10图说明本发明的第二实施例。 Below using FIG. 6, FIG. 7 and FIG. 10 illustrates a second embodiment of the present invention. 第6图表示本发明整体构成的另一实施例,第7图表示第6图的实施例的彩色及亮度信号产生部分的构成的一实施例,图10是表示有关摄像器件的水平采样周期与象素同步信号周期的示意图。 6 shows another view of the overall configuration of the embodiment of the invention, FIG 7 shows a first embodiment of configuration of the color and the luminance signal generating portion according to the sixth embodiment of FIG embodiment, FIG. 10 is a horizontal sampling period related to the imaging device a schematic view of the pixel sync signal period. 本实施例中,对于与第一实施例相同的构成部件附以相同的序号,并不再说明。 In this embodiment, for the same component parts of the first embodiment are denoted by the same reference numerals, and will not be described.

本实施例由二架摄像头部分1,VTR一体型摄像机81、VTR80、切换电路82和彩色及亮度信号产生部分6构成,二架摄像头部分1与VTR一体型摄像机81及VTR80的其中任一个信号,经切换电路82选择,输入彩色及亮度信号产生部分6。 This embodiment of two camera section 1, VTR integrated camera 81, VTR80, switch 82, and the color and luminance signal circuit generating section 6 configuration, two camera portion 1 and the VTR-integrated video camera 81 and VTR80 is either a signal, selected by the switching circuit 82, and the luminance of the input color signal generating section 6. 通过设置切换电路82,可在连接多个摄像头和VTR等的状态下同时选择希望的信号,并以分时方式获取数据。 By providing the switching circuit 82, a desired signal can be selected in a state where a plurality of cameras connected VTR or the like and at the same time, and acquires the data time sharing manner. 二架摄像头1为与图2所示实施例的同一结构的摄像头,彩色及亮度信号产生部分6与图3所示的实施例相同,但追加了信号判别电路56与Y/C分离及解调处理电路57及切换电路58。 Two identical camera 1 with the camera to produce color and luminance signals of the same configuration of the embodiment 6 shown in part in FIG. 2 and FIG. 3 embodiment, the signal determination circuit 56 is added to the Y / C separation and demodulation processing circuit 57 and a switching circuit 58. 彩色及亮度信号产生部分6包括A/D转换电路50,摄像信号处理电路51,Y/C分离及解调处理电路57,转换电路58,信号判别电路56,同步分离电路55,时钟产生电路54。 The color and luminance signal generating section 650, imaging signal processing circuit 51, Y / C separation and demodulation processing circuit including A / D conversion circuit 57, conversion circuit 58, signal determination circuit 56, a synchronization separating circuit 55, a clock generating circuit 54 . 并且,信号输入端子4与A/D转换电路50及同步分离电路55的输入连接,同步分离电路55的输出与时钟产生电路54和信号判别电路56的输入连接,时钟产生电路54的输出与摄像信号处理电路51,Y/C分离及解调处理电路57,信号判别电路56、A/D转换电路50的时钟输入连接,A/D转换电路50的输出与摄像信号处理电路51和Y/C分离及解调处理电路57的信号输入连接,并根据信号判别电路56的判别结果,切换电路58切换输出摄像信号处理电路51与Y/C分离及解调处理电路57的输出信号。 Further, the signal input terminal 4 is connected and the input sync separator circuit 55, an A / D conversion circuit 50, sync separation circuit 55 outputs a clock generating the input circuit 56 circuit 54 and the signal determining the connection, the clock generating an output circuit 54 and imaging the signal processing circuit 51 is, Y / C separation and demodulation circuit 57, signal determination circuit 56, the clock a / D conversion circuit 50 connected to the input, and outputs the imaging signal processing circuit 51 is a / D converting circuit 50 and the Y / C separating the input signal and the demodulation circuit 57 is connected, according to the judgment and a signal discriminating circuit 56, the switching circuit 58 switches the output image signal processing circuit 51 and the Y / C separation signal output circuit 57 and the demodulation processing. 再有,本实施例中,为利用切换电路58进行切换输出的处理,但将切换电路设置在摄像信号处理电路51和Y/C分离及解调处理电路57的输入前,在摄像信号处理电路51和Y/C分离及解调处理电路57中进行切换输入信号处理也是可以的。 Further, in this embodiment, is processed by the switching circuit 58 switches the output, but will be switched before entering the imaging signal processing circuit 51 and Y / C separation and demodulation circuit 57, the signal processing circuit in the imaging circuit arrangement and for Y / C separation circuit 57 and demodulation processing an input signal switch 51 are also possible.

本实施例中,信号判别电路56从象素同步信号或彩色同步信号部分的信号判断输入信号的种类,并在输入来自摄像头部分1的输出信号时,摄像信号处理电路51产生亮度信号和二个色差信号,在输入VTR一体型摄像机或VTR等的电视信号时,Y/C分离及解调处理电路57分离亮度信号和调制彩色信号,然后,在基带上解调该调制彩色信号,生成二个色差信号。 When the output signal of section 1 of the present embodiment, the signal discriminating circuit 56 or the synchronizing signal from the pixel signal type determination signal input color burst signal portion, and an input from the camera, the imaging signal processing circuit 51 generates a luminance signal and two color difference signals, and the like in the input VTR integrated camera VTR or television signals, Y / C separation and demodulation circuit 57 separates the luminance signal and the modulated color signal, and then, demodulates the modulated baseband color signal to generate two color difference signals.

象素同步信号在如图10所示的水平回扫线期间,该信号作为摄像器件水平采样周期T的2倍周期2T的信号,而且,摄像器件使用,使上述周期2T不同于作为彩色同步信号周期的彩色副载波周期的周期。 Pixel synchronizing signal during a horizontal retrace line shown in FIG. 10, the imaging device as a signal level sampling period T of twice the cycle 2T signal, and, using the imaging device, so that the period 2T as a color different from a synchronization signal cycle of the color subcarrier cycle period.

本实施例中,由于信号判别电路56根据象素同步信号或彩色同步信号部分的频率判断是电视信号还是来自摄像头部分1的信号,控制彩色及亮度信号产生部分6的切换处理,所以不依靠输入信号,也可产生一般的正常亮度信号和色差信号。 In this embodiment, since the signal discriminating circuit 56, the frequency determination pixel synchronizing signal or color burst signal portion of the television signal or a signal portion 1 from the camera, controls the color and luminance signal switching processing section 6 is generated, it does not rely on input signal, can generally produce normal luminance and color difference signals. 而且,利用一个输入端子,可输入不同种类的信号,使用者不必判断信号是电视信号还是来自摄像头的信号,只要简单连接即可。 Furthermore, using one input terminal, the input signal may be of different types, the user need not be a television signal or the determination signal from the camera signal, simply connection. 而且,由于不会产生因连接错误的误动作,所以具有极大地提高使用方便性的效果。 Further, since no malfunction due to connection errors, it has greatly improved the ease of use effect.

而且,如果设置切换电路,能够自由地连接摄像头部分,就不必配没摄像头部分后面的多个信号处理器,变为通过切换开关能够在一个彩色及亮度信号产生部分上连接任意个摄像头部分。 Further, if the switching circuit is provided, connected to the camera can be freely portion, do not have a plurality of signal processors with no back camera portion, it becomes capable of generating portion connected to any portion cameras and color in a luminance signal by switching the switch. 即不带有多个信号处理部分,可以分时地输入数据。 I.e., without a plurality of signal processing section, the input data may be time-division. 这样,由于能减少信号处理电路,因而可实现电路规模的降低。 Thus, since the signal processing circuit can be reduced, thereby reducing the circuit scale can be achieved. 而且,也可大幅度地降低成本。 Moreover, it can significantly reduce costs.

本实施例可获得实质上与第一实施例相同的效果。 The present embodiment can be obtained substantially the same effects as the first embodiment.

下面,用图8说明本发明的第三实施例。 Next, a third embodiment of the present invention will be described with reference to FIG 8. 本实施例是与第一及第二实施例中摄像头部分1有关的另一实施例。 This embodiment is the first embodiment and the second embodiment related to the camera portion 1 to another embodiment. 本实施例中,对与第一实施例相同的构成部件附以相同的序号,并不再说明。 In this embodiment, the same components of the embodiment of the first embodiment are denoted by the same reference numerals, and will not be described.

本实施例包括透镜10,摄像器件11,CDS电路12,控制信号增益的AGC(自动增益控制)电路18,加法电路13,驱动电路14,由NTSC水平同步信号产生电路25与NTSC垂直同步信号产生电路26及象素同步信号产生电路17构成的同步信号发生电路27,光圈24,光圈位置检测电路19,光圈驱动电路20,电平检测电路21,微型计算机23,串行通信接口22和外部微型计算机7。 This embodiment includes a lens 10, an imaging device 11, CDS circuit 12, a control signal gain of AGC (automatic gain control) 14, is generated by the NTSC horizontal synchronizing signal generating circuit 18, an adder circuit 13, the drive circuit circuit 25 generates NTSC vertical synchronizing signal 27, a diaphragm 24, 19, 20, 21, a microcomputer 23, a serial communication interface 22 and external level detection circuit detecting the position of the aperture diaphragm drive circuit 26 and the pixel circuit of the circuit synchronizing signal generating circuit 17 constituting the synchronizing signal generation circuit micro 7 computer. 并且,摄像器件11的输出与CDS电路12的输入连接,CDS电路12的输出与AGC电路18的输入连接,AGC电路18的输出与电平检测电路21的输入和加法电路13的四个输入的其中一个连接,加法电路13的输出与摄像头部分1的信号输出端子2连接,驱动电路14的二个输出中的一个与摄像器件11的输入连接,另一个则分别与NTSC水平同步信号产生电路25和NTSC垂直同步信号产生电路26及象素同步信号产生电路17的输入连接,水平同步信号产生电路15和垂直同步信号产生电路16以及象素同步信号产生电路17各自的输出与加法电路13的输入连接,电平检测电路21和光圈位置检测电路19的输出输入给微型计算机23,微型计算机23连接成以便通过AGC电路18和光圈驱动电路20控制光圈。 Further, the input and output imaging device 11 and the CDS circuit 12 is connected to the output of the CDS circuit 12 is connected to the input 18 of the AGC circuit, the AGC circuit 18 inputs the output of the level detecting circuit 21 and the adding circuit 13 is input to four wherein a connection with the camera 13 outputs a signal output terminal of the summing circuit 2 is connected to part 1, with one input two output imaging device 14 in the drive circuit 11 is connected to the other circuit 25 respectively generate the horizontal synchronizing signal and NTSC NTSC and vertical synchronizing signal generating circuit 26 and the pixel synchronizing signal generating circuit 17 is connected to input horizontal synchronizing signal generating circuit 15 and a vertical synchronizing signal generating circuit 16 and the pixel synchronizing signal generating circuit 17 each output of the adding circuit 13 connection, output of the input level detection circuit 21, and aperture position detection circuit 19 to the microcomputer 23, the microcomputer 23 controls the diaphragm 20 connected to the AGC circuit 18 through a driving circuit and a diaphragm. 而且,连接成通过串行接口22可与外部分微型计算机7双向通信。 Further, 22 can be connected to the outer portion 7 bidirectional communication with the microcomputer via the serial interface.

本实施例,用摄像器件11将通过透镜10入射的光转换成电信号,用CDS电路12将该信号进行降低噪声处理,然后,在用光圈位置检测电路19检测的光圈24的状态和用电平检测电路21检测的信号电平的基础上,用微型计算机控制AGC电路18的增益,从而控制摄像头部分1的输出信号电平使之恒定,加法电路13将对AGC电路18的输出信号、与符合NTSC方式规格的水平及垂直同步信号和象素周期同步信号相加,并向摄像头部分1的信号输出端子2输出信号。 The present embodiment, with the image pickup device 11 converts light incident through the lens 10 into an electrical signal, noise reduction processing for the signal of the CDS circuit 12, then, with 19 detects diaphragm aperture state and a position detection circuit 24 of power basis of the signal level 21 is detected by the level detection circuit, a microcomputer controls the gain of the AGC circuit 18, thereby controlling the camera's output signal level of the constant, the output signal 13 will AGC circuit 18 of the adder circuit portion 1, and in line with the NTSC standard horizontal synchronizing signals and vertical synchronizing signals are added and a pixel period, a signal output terminal 2 and the output signal of the camera section 1.

本实施例中,由于微型计算机23通过串行通信接口22可与设在摄像部分1的外部的外部微型计算机7通信联系,所以利用外部的控制,可输出适合于连接的信号处理电路的规格的输出信号。 In this embodiment, since the microcomputer 23 via the serial communication interface 22 may be provided outside the imaging section 1 of the microcomputer 7 external communication links, the use of external controls, the output may be adapted to the specifications of the signal processing circuit is connected to the output signal. 而且,通过调节AGC电路18及光圈24的开启和中止象素周期信号的加算使摄像头部分1的输出信号的电平符合NTSC方式,就可以把摄像头部分串接在NTSC方式的电视监视器上,使其也可以作为黑白摄像机使用。 Further, by adjusting the AGC circuit 18 and the diaphragm adding opening and suspension pixel periodic signal 24 so that the camera output signal level of the section 1 is in line with the NTSC system, can put the camera portion connected in series on the television monitor of the NTSC system, it can also be used as a black and white camera. 本实施例可获得与第一实施例实质上相同的效果。 The first embodiment are substantially the same effects can be obtained according to the present embodiment. 而且,通过使同步信号的电平与标准电视信号一致还可使用价格便宜的同步分离LSI。 Further, if the synchronization signal and the level of a standard television signal may also be used consistent sync separator inexpensive LSI.

下面,用第9图说明本发明的第四实施例。 Next, a fourth embodiment of the present invention will be described with reference to FIG. 9. 图9表示在第一及第二实施例中的彩色及亮度信号产生部分6的构成的一实施例的图。 9 shows a portion of FIG 6 generates a configuration of an embodiment of the first embodiment and the second embodiment of the color and luminance signals. 本实施例中,与第一、第二及第三实施例相同的构件附以相同的序号,并不再说明。 In this embodiment, the first, second, and third embodiment the same components are denoted by the same reference numerals, and will not be described.

本实施例包括A/ID转换电路50,摄像信号处理电路51,Y/C分离及解调处理电路57,切换电路58,信号判别电路56,由水平同步分离电路61与垂直同步分离电路62及象素同步分离电路63组成的同步分离电路55,由同步信号发生电路64与相位检波器65和滤波器66及VCO(电压控制振荡器)67组成的时钟产生电路54,串行通信接口71,微型计算机7,锁存器70及可变延迟电路60。 This embodiment comprises A / ID converter circuit 50, image signal processing circuit 51, Y / C separation and demodulation circuit 57, a switching circuit 58, signal determination circuit 56, the horizontal sync separating circuit 61 with the vertical synchronization separating circuit 62 and pixel sync separating circuit 63 composed of the synchronization separating circuit 55, the synchronizing signal generating circuit 64 and the clock phase detector 65 and filter 66 and VCO (voltage controlled oscillator) 67 composed generating circuit 54, a serial communication interface 71, The microcomputer 7, the latch 70 and the variable delay circuit 60. 并且,信号输入端子4与A/D转换电路50、水平同步分离电路61、垂直同步分离电路62及象素同步分离电路63的输入连接,水平同步分离电路61的输出与相位检波器65的二个输入中的一个连接,垂直同步分离电路62的输出与同步信号发生电路64的垂直复位输入连接,同步信号发生电路64的水平同步脉冲输出与相位检波器65剩下的一个输入端连接,相位检波器65的输出与滤波器66的输入连接,滤波器66的输出与VCO67的输入连接,VCO67的输出与同步信号产生电路64、信号判别电路56的二个输入的一个、可变延迟电路60、微型计算机7、摄像信号处理电路51及Y/C分离及解调处理电路57的时钟输入连接,象素同步分离电路63的输出与锁存器70的数据输入和信号判别电路56的剩余的输入连接,信号判别电路56的输出与切换电路58的控制输入和微型计算机7连接。 The signal input terminal 4 and the two A / D conversion circuit 50, the horizontal sync separating circuit 61, and the vertical synchronization separating circuit 62 connected to the input pixel synchronizing separator circuit 63, the horizontal sync separator circuit 61 and the output of the phase detector 65 vertical reset input connected to the output of a synchronizing signal in the input vertical synchronization separating circuit 62 is connected to the generating circuit 64, the horizontal synchronizing signal generating circuit 64 to one input of the remaining 65 sync pulse output is connected to the phase detector, the phase the output of detector 65 is connected to filter input 66, the output of filter 66 is connected to the input of the VCO67, VCO67 output of the synchronizing signal generating circuit 64, signal determination circuit 56 is a two input variable delay circuit 60 , the microcomputer 7, the imaging signal processing circuit 51 and the Y / C separation and demodulation circuit 57 is connected to the clock input, the pixel sync separating circuit 63 outputs the remaining data input of latch 70 and the signal determination circuit 56 input connection, the control output of the input signal discriminating circuit 58 and the switching circuit 56 and the microcomputer 7. 还有,锁存器70的输出与微型计算机7的输入连接,可变延迟电路60的输出与锁存器70及A/D转换电路50的时钟输入连接,A/D转换电路50的输出与摄像信号处理电路51及Y/C分离及解调电路57的输入连接,摄像信号处理电路51和Y/C分离及解调处理电路57的输出与切换电路58连接,以用切换电路58进行选择,微型计算机7与信号处理电路51、Y/C分离及解调处理电路57、同步信号发生电路64及可变延迟电路60连接,以进行控制,同时,通过与串行通信接口71连接,可与外部进行数据通信。 Further, the input and output of latch 70 is connected to the microcomputer 7, the output of the variable delay circuit 60 and the clock input of latch 70 and the A / D conversion circuit 50 is connected to the output of A / D conversion circuit 50 and input imaging signal processing circuit 51 and the Y / C separation and demodulation circuit 57 is connected to the imaging signal processing circuit 51 and the Y / C separation and demodulation circuit 57 and the output of the switching circuit 58 is connected to the switching circuit 58 is selected by the microcomputer 7 and the signal processing circuit 51, Y / C separation and demodulation circuit 57, a synchronizing signal generating circuit 64 and the variable delay circuit 60 is connected, for control purposes, while connected through the serial communication interface 71, may be performs data communication with the outside.

本实施例,为了由输入信号分离出水平及垂直的同步信号,产生与该信号同步的水平及垂直的时钟和彩色及亮度信号产生部分6的主时钟,用相位检波器65比较分离的水平同步信号与同步信号发生电路64的水平周期脉冲的相位。 The present embodiment, in order to separate the synchronizing signal horizontally and vertically by the input signal, generating generates a master clock section 6 with the signal level and the vertical clock, and the color and luminance signals in synchronization, a synchronization phase detector 65 comparing separated horizontal horizontal period the phase of the pulse signal circuit 64 and the synchronizing signal. 相位检波器65产生送往同步信号发生电路64的时钟,而且,用分离的垂直同步信号进行垂直方向的同步。 The phase detector 65 generates a clock synchronization circuit 64 is sent to the signal generator, and, for separating the vertical synchronizing vertical synchronization signal. 滤波器66沿着信息流改变环路的频率特性。 Changing the frequency characteristics of the loop filter 66 along the stream. VCO67中产生的时钟可作为彩色及亮度信号产生部分6的主时钟使用。 VCO67 may be generated in the clock generating section 6 of the master clock is used as the color and luminance signals. 而且,比较分离的象素同步信号与该主时钟的相位,用微型计算机7控制可变延迟电路60使A/D转换电路50的转换定时最佳。 Moreover, comparing the separated synchronizing signal and the phase of the pixel clock of the master, the microcomputer 7 controls the variable delay circuit 60, the A / D conversion circuit 50 of the timing best. 与此同时,信号判别电路56判断输入信号的种类,切换电路58切换摄像信号处理电路51和Y/C分离及解调处理电路57的输出。 At the same time, the input signal 56 determines the type of signal discrimination circuit, the switching circuit 58 switches the imaging signal processing circuit 51 and Y / C separation circuit 57 and the output of the demodulation process. 而且,微型计算机7控制摄像信号处理电路51和Y/C分离及解调处理电路57的动作以实现图像质量的提高,同时,接收来自该摄像头的象素数信息,向同步信号发生电路64传递时钟计数器数,以适用于连接的摄像头。 Further, the microcomputer 7 controls the operation of the imaging signal processing circuit 51 and the Y / C separation circuit 57 and a demodulation processing to achieve improved image quality, while receiving information from the number of pixels of the camera 64 is transmitted to the synchronization signal generation circuit a clock counter, to apply to the camera connected.

本实施例中,由于利用象素同步信号控制A/D转换定时,故总是用最佳的相位把模拟信号转换成数字信号,所以可显示出正确的颜色。 In this embodiment, since the pixel synchronization signal control A / D conversion timing so always converts analog signals into digital signals with optimum phase, it is possible to exhibit the correct color. 而且,由于信号判别电路56从象素同步信号的频率成分判别信号种类,并向微型计算机输入判别结果,所以在输入电视信号时,A/D转换的定时也不会变得不合适。 Further, since the signal from the determination circuit 56 determines the frequency component of the signal type pixel synchronization signal, and inputs the determination result microcomputer, so that when the input television signal, A / D conversion timing does not become inappropriate. 对本实施例来说,可获得与第一实施例实质上相同的效果。 Embodiment of the present embodiment, the embodiment can be obtained with substantially the same effects as the first embodiment.

Claims (15)

  1. 1.一种摄像装置,其特征在于,该装置包括第1单元、第2单元和连接部,第1单元至少具备:摄像器件;驱动该摄像器件的定时产生电路;按照该定时产生电路的定时产生同步信号的同步信号产生电路;将来自该摄像器件的输出信号与利用该同步信号产生电路产生的同步信号相加的加法电路;和输出装置,按点顺序输出来自并附加了该同步信号的该摄像器件的输出信号,第2单元至少具备:从外部输入信号的输入装置;判别电路,判别由该输入装置输入的信号是来自所述第1单元的输出信号还是电视信号;第1信号处理电路,利用来自所述第1单元的输出信号产生彩色信号及亮度信号;第2信号处理电路,利用该电视信号产生彩色信号及亮度信号;和切换电路,按照该判别电路的结果切换该第1信号处理电路或第2信号处理电路,连接部分可拆卸地连接所述第1 An image pickup apparatus, wherein the apparatus includes a first unit, second unit and the connecting portion, the first unit includes at least: an imaging device; a timing generating circuit for driving the imaging device; a timing circuit generating a timing in accordance with the synchronizing signal generating circuit generating a signal; the output signal from the imaging device, the adder circuit adding a synchronization signal generating circuit and using the synchronization signal generator; and output means, and by the dot sequential output from the synchronizing signal is added the output signal of the imaging device, the second unit includes at least: an input means from an external input signal; determination circuit, it is determined by the input signal of the input means is the output signal or television signal from the first unit; a first signal processing circuit for generating a luminance signal and a color signal using the output signal from the first unit; a second signal processing circuit, with which the television signal and produces a color signal luminance signal; and a switching circuit switched according to the result of the first determination circuit the signal processing circuit or the second signal processing circuit, the connecting portion is detachably connected to the first 单元和所述第2单元,向所述第2单元输入来自所述第1单元的点顺序的信号和电视信号两者。 Unit and the second unit, the second unit to both the input signal and a dot-sequential television signal from the first unit.
  2. 2.如权利要求1所述的摄像装置,其特征在于:在所述第1单元、所述第2单元之间,配置有选择任意信号的切换电路。 2. The imaging apparatus according to claim 1, wherein: said first means between said second unit, the switching circuit is arranged to select any signal.
  3. 3.如权利要求1所述的摄像装置,其特征在于:所述第1单元中加上的同步信号包含水平及垂直的同步信号或显示水平及垂直的同步信号和摄像器件象素周期的同步信号。 3. The imaging apparatus according to claim 1, wherein: said first means 1 comprising adding a sync signal and a vertical synchronizing signal or a horizontal sync signal and imaging synchronizing display pixel cycle of the horizontal and vertical components signal.
  4. 4.如权利要求1所述的摄像装置,其特征在于:所述输入装置输入来自所述第1单元的点顺序的输出信号和所述电视信号两者是同一输入端子。 4. The imaging apparatus according to claim 1, wherein: said input means inputs both sequentially from the first unit and an output signal of the television signal of the same input terminal.
  5. 5.如权利要求1所述的摄像装置,其特征在于:所述判别电路根据加在点顺序输出信号上的显示象素周期的同步信号或所述电视信号的脉冲部分的频率进行判别。 The imaging apparatus according to claim 1, wherein: the determination circuit determines the frequency or pulse part of the television signal is displayed on the pixel period is added in the dot sequential output synchronizing signal.
  6. 6.如权利要求1所述的摄像装置,其特征在于:利用所述加法电路相加的水平及垂直的同步信号与附加在电视信号上的同步信号有相同的规格。 6. The imaging apparatus according to claim 1, wherein: using said adder circuit adding the horizontal and vertical synchronizing signal added to the television signal and the synchronizing signal have the same specifications.
  7. 7.如权利要求1所述的摄像装置,其特征在于:所述第1单元中设有使来自所述摄像器件的输出信号电平与电视信号的信号电平相同的增益控制电路。 The imaging apparatus according to claim 1, wherein: said first means is provided that the same gain as the signal level of the output signal level of the television signal from the image pickup device control circuit.
  8. 8.如权利要求7所述的摄像装置,其特征在于:所述增益控制电路检测所述摄像器件输出的信号电平,根据该检测出的信号电平的结果改变信号增益。 8. The imaging apparatus according to claim 7, wherein: said gain control circuit detects the signal level of the output of the imaging device, changing the signal gain according to the result of the signal level detected.
  9. 9.如权利要求7所述的摄像装置,其特征在于:配置有检测朝向所述摄像器件的入射光量的光圈检测电路和根据该检测出的入射光量驱动光圈的光圈驱动电路。 9. The imaging apparatus according to claim 7, wherein: the imaging device is disposed toward the incident light amount detection circuit for detecting a diaphragm and a diaphragm aperture driving circuit according to the detected amount of incident drive.
  10. 10.如权利要求1所述的摄像装置,其特征在于:所述第2单元中,设有定时控制电路,在利用加在输入信号上的象素周期的同步信号或脉冲信号将该输入信号转换为数字信号时控制定时。 10. The imaging apparatus according to claim 1, wherein: said second means, the timing control circuit is provided, the synchronization signal or pulse signal applied pixel period using an input signal on the input signal when the timing control into a digital signal.
  11. 11.一种信号处理装置,由根据包括摄像器件的单元部分的点顺序的输出信号产生彩色信号及亮度信号的第1信号处理电路和根据电视信号产生彩色信号及亮度信号的第2信号处理电路构成,其特征在于,包括:从外部输入信号的输入装置;判别电路,判别由该输入装置输入的信号是来自包括所述摄像器件的单元部分的点顺序的输出信号还是电视信号;和切换电路,按照该判别电路的结果切换由该第1信号处理电路或第2信号处理电路进行处理,所述输入装置输入来自包括所述摄像器件的单元部分的点顺序信号和电视信号两者。 11. A signal processing apparatus, the first signal processing circuit generates a luminance signal and a color signal from the output signal comprises a dot-sequential image pickup device unit portion and the second signal in accordance with the color television signal to produce a luminance signal and a signal processing circuit configuration, characterized by comprising: input means from an external input signal; determination circuit, it is determined by the input signal of the input means is a dot-sequential output signal from the imaging device unit comprises a portion of the television signal or; and a switching circuit switching circuit according to the result of the determination is processed by the first signal processing circuit or the second signal processing circuit, and both the dot-sequential signals from the television signal of the imaging device unit comprises a portion of said input means inputs.
  12. 12.如权利要求11所述的摄像装置,其特征在于:设有从来自包括所述摄像器件的单元部分的输出信号和所述电视信号的两者中选取任意信号的切换电路。 12. The image pickup apparatus according to claim 11, wherein: the switching circuit is provided with a signal from any selection from both the imaging device comprising an output signal of the television signal and a portion of.
  13. 13.如权利要求11所述的摄像装置,其特征在于:所述输入装置输入来自包括所述摄像器件的单元的点顺序的输出信号和所述电视信号是同一输入端子。 13. The image pickup apparatus according to claim 11, wherein: said input signal and said output television signal from the input means comprises a dot-sequential imaging device of the unit to the same input terminal.
  14. 14.如权利要求11所述的摄像装置,其特征在于:所述判别电路根据加在来自包括所述摄像器件的单元部分的点顺序输出信号上的显示象素周期的同步信号或所述电视信号的脉冲部分的频率进行判别。 14. The image pickup apparatus according to claim 11, wherein: said discriminating circuit according to the synchronization signal added at the pixel point sequential cycle from the output signal of the imaging device unit comprises a portion of a display or the television frequency of the pulse signal is part of the determination.
  15. 15.如权利要求11所述的摄像装置,其特征在于:设有定时控制电路,根据加在来自包括所述摄像器件的单元部分的点顺序的输出信号上的象素周期的同步信号、或所述电视信号的脉冲信号,控制由所述输入装置把输入信号转换成数字信号时的定时。 15. The image pickup apparatus according to claim 11, wherein: the timing control circuit is provided, in accordance with the applied pixel period dot-sequential output signal from the imaging unit portion of the device comprises a synchronization signal, or pulse signal of the television signal, controlled by said input means converting an input signal into a digital signal at the timing.
CN 95197767 1995-03-10 1995-03-10 Image pickup device and its signal processor CN1079621C (en)

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