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公开(公告)号：JPS59194585A
公开(公告)日：1984-11-05
申请号：JP6866283
申请日：1983-04-19
Applicant: Canon Inc
Inventor： SATOU YUUICHI
CPC classification number: H04N5/95
Abstract: PURPOSE:To compensate a fluctuation of a time base, and to obtain a picture having no skewness by constituting so that a time base converting means executes sampling by a sample signal of a frequency corresponding to a synchronizing signal separated from a composite video signal. CONSTITUTION:An input signal Sin is sampled by a synchronizing signal SY1 of an input side, inputted to a shift register 10, and read out by a reference clock pulse phi2 being entirely independent from the synchronizing signal. Also, an input to a shift regiter 12 is executed by a reference clock pulse phi3, and its read-out is executed by a synchronizing signal SY2 of an output side, therefore, a fluctuation of a time base of both of the input side and the output side can be compensated completely.
Abstract translation: 目的：为了补偿时基的波动，并通过构成来获得没有偏斜的图像，使得时基转换装置通过与从复合视频信号分离的同步信号相对应的频率的采样信号执行采样。 构成：输入信号Sin由输入侧的同步信号SY1进行采样，输入到移位寄存器10，并且通过完全独立于同步信号的基准时钟脉冲phi2读出。 此外，通过基准时钟脉冲phi3执行向移位寄存器12的输入，其输出侧的同步信号SY2执行其读出，因此输入侧和 输出端可以完全补偿。
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公开(公告)号：JPS59184311A
公开(公告)日：1984-10-19
申请号：JP5960283
申请日：1983-04-04
Applicant: Canon Inc
Inventor： SATOU YUUICHI , TSUNEKAWA TOKUICHI , KAWABATA TAKASHI , MATSUMURA SUSUMU
CPC classification number: G02B7/32
Abstract: PURPOSE: To form a focusing device which is capable of adjusting a start time of a focus detecting operationin accordance with a focus state by shortening a time interval for detecting a focus, as compared with the case when a focus state is far in case when a focus state of an image pickup optical system is close to the focusing state.
CONSTITUTION: When a start signal STT of focusing control is inputted to a focusing control means 6, focusing is started, and first of all, a projecting signal d
1 is sent to a light source 7. The light source is lighted by the signal d
1 , and a light spot is projected to an object 1. This light spot is projected onto a photodetecting part 10, and a position information Cd
1 of a light spot 9 is obtained from an amplifying means 5. Because of Cd
1 >C
5 , the length td
1 of the first TD becomes td
1 =TD
3 , and the time interval before the follwing d
2 is outputted becomes long. Also, a signal ed
1 for controlling a feed quantity of a photographic lens is sent to a driving means 8, and the feed quantity of the photographic lens is changed. When the time elapses by a length td
1 after the signal d
1 is outputted, the second projecting signal d
2 is outputted, and focusing of the second time is started. Since Cd
2 is C
3 2 5 , td
2 is td
2 =TD
2 , and shortened. Also, ed
2 becomes small, too. In this way, the focusing is repeated.
COPYRIGHT: (C)1984,JPO&JapioAbstract translation: 目的：通过缩短用于检测焦点的时间间隔，能够根据聚焦状态来调整聚焦检测操作的开始时间的聚焦装置，与聚焦状态相比，当聚焦状态远 摄像光学系统的聚焦状态接近聚焦状态。 构成：当将聚焦控制的开始信号STT输入到聚焦控制装置6时，开始聚焦，首先将投影信号d1发送到光源7.光源被信号d1点亮， 将光点投射到物体1上。该光点投射到光电检测部10上，从放大手段5获得光斑9的位置信息Cd1。由于Cd1> C5，因此，长度td1 第一TD成为td1 = TD3，输出d2之前的时间间隔变长。 此外，用于控制摄影镜头的进给量的信号ed1被发送到驱动装置8，并且摄影镜头的进给量改变。 当输出信号d1之后时间经过长度td1时，输出第二投影信号d2，并开始第二次的聚焦。 由于Cd2为C3
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公开(公告)号：JPS59183323A
公开(公告)日：1984-10-18
申请号：JP5720583
申请日：1983-04-01
Applicant: Canon Inc
Inventor： TSUNEKAWA TOKUICHI , SATOU YUUICHI , KAWABATA TAKASHI , MATSUMURA SUSUMU
Abstract: PURPOSE:To prevent the effect of an ambient light and the saturation of stored charge by clearing a charge generated from a photoelectric converting section except for a fixed period each in the projection time and non-projection time in a storage type photoelectric convertor having first and second electric charge storage sections. CONSTITUTION:With the emission of light from a light emitting element, reflected lights from an object form an image on a photoelectric conversion element. The conversion element is provided with photoelectric conversion sections AS and BS and the sum of reflected lights and ambient lights by projection is storaged into charge storage sections AL and BL and ambient lights during a fixed period of the non-projection time done into charge storage sections AD and BD. Charges are read out from the storage sections AL and AD and BL and BD and the sum of difference portions and the difference thereof are detected as outputs VA+B and VA-B to drive the focusing. A control pulse phiICG is applied to the conversion sections AS and BS through an OR gate 6 except for a fixed period each in the projection and non-projection time to clear the charge. This can prevent the saturation of the stored charge minimizing the effect of ambient lights. Structurally, one discharge storage section can be arranged in each of the photoelectric conversion sections.
Abstract translation: 目的：为了防止环境光的影响和存储电荷的饱和，通过在具有第一和第二存储型光电转换器的投影时间和非投影时间中清除由光电转换部分产生的除了固定周期之外的固定周期的电荷 第二电荷存储部。 构成：通过从发光元件发射光，来自物体的反射光在光电转换元件上形成图像。 转换元件设置有光电转换部分AS和BS，并且通过投影将反射光和环境光的总和存储在电荷存储部分AL和BL中，并且在非投影时间的固定时段内存储到电荷存储部分中 AD和BD。 从存储部AL和AD以及BL和BD中读出电荷，并且将差分部分的总和及其差被检测为输出VA + B和VA-B以驱动聚焦。 通过OR门6将控制脉冲phiICG施加到转换部分AS和BS，除了在投影和非投影时间内的固定周期以清除电荷。 这可以防止存储的电荷的饱和最小化环境光的影响。 在结构上，可以在每个光电转换部中设置一个放电存储部。
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公开(公告)号：JPS5952658A
公开(公告)日：1984-03-27
申请号：JP16266282
申请日：1982-09-18
Applicant: Canon Inc
Inventor： KAWAMURA HIDEAKI , SAKURADA NOBUAKI , SATOU YUUICHI , WATANABE NOBUTAKA
CPC classification number: H04N1/40087
Abstract: PURPOSE: To enable to reproduce a high gradation image by a method wherein only high density dots or only low density dots, or plurality of different density dots are selectively recorded in accordance with detected image density data.
CONSTITUTION: A sample hold circuit SHRWSHB of an image signal is remembered in line memories MRWMB through a switch SW, AD converter by way of timing signal of a system controller SC, changed to respective color signals CW BL at a matrix circuit MTX. At each head selecting circuit SEL, the area of the image density data is detected. According to the detected area, the first to third of the record only by thick ink, only by light ink or both inks. According to this mode data and density data, the DA converter decides the thickness and lightness of the ink as well as the head impressed voltage and controls the selected heads of the ink jet heads H
1 WH
8 . In this way, a high gradation image is reproduced and the discontinuation of the image due to the switching of thick and light dots.
COPYRIGHT: (C)1984,JPO&JapioAbstract translation: 目的：通过根据检测到的图像浓度数据仅选择性地记录高密度点或仅低密度点或多个不同密度点的方法，能够再现高浓度图像。 构成：图像信号的采样保持电路SHR-SHB通过开关SW，AD转换器通过系统控制器SC的定时信号记录在行存储器MR-MB中，以矩阵形式被改变为相应的颜色信号C-BL 电路MTX。 在每个头部选择电路SEL处，检测图像浓度数据的区域。 根据检测到的区域，记录的第一到第三只是由浓墨水，只能用浅油墨或两种油墨。 根据该模式的数据和密度数据，DA转换器决定墨水的厚度和亮度以及喷射头的电压，并控制喷墨头H1-H8的选定的喷墨头。 以这种方式，高分级图像被再现，并且由于厚和轻点的切换而导致的图像中断。
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公开(公告)号：JPS58188921A
公开(公告)日：1983-11-04
申请号：JP7237082
申请日：1982-04-28
Applicant: Canon Inc
Inventor： SATOU YUUICHI
CPC classification number: H04N1/00291 , H04N1/00294 , H04N5/93 , H04N7/0105
Abstract: PURPOSE: To transmit and receive signals between two systems which have different time axis accurately in safety by providing time axis converting circuits in front of and behind a filter.
CONSTITUTION: When a start pulse SP synchronizing with a period signal SYNC1 is inputted to a pulse generator 13, a shift pulse ϕ
1 with a period τ
1 is applied to the 1st analog shift register 10 and an input signal Sin is sampled successively by the pulse ϕ
1 and stored in the analog register 10. When the 2nd shift pulse ϕ
2 is then applied, a signal Fin is read out successively at a period τ
2 and inputted to a low-pass filter 11 with a cutoff frequency f
c . Consequently, the filter 11 obtain an output Fout by processing the signal reduced to τ
2 /τ
1 by time-axis conversion at the cutoff frequency f
c . This signal is inputted to the 2nd analog shift register 12. Its output S has a waveform equivalent to the waveform by extending the signal waveform of the Sin by (τ
4 .τ
2 /τ
3 .τ
1 ) times, increasing the cutoff frequency of the low-pass filter by (τ
3 /τ
4 ) times, and sampling and holding the resulting waveform at a τ
4 .
COPYRIGHT: (C)1983,JPO&JapioAbstract translation: 目的：通过在滤波器前面和后面提供时间轴转换电路，在安全的情况下准确地计算不同时间轴的两个系统之间发送和接收信号。 构成：当将与周期信号SYNC1同步的起始脉冲SP输入到脉冲发生器13时，具有周期τ1的移位脉冲phi1被施加到第一模拟移位寄存器10，并且输入信号Sin被脉冲phi1连续采样 并存储在模拟寄存器10中。然后，当施加第二移位脉冲phi2时，以期间tau2连续地读出信号Fin，并将其输入到具有截止频率fc的低通滤波器11。 因此，滤波器11通过以截止频率fc的时间轴转换处理被减小到τ2/τ1的信号来获得输出Fout。 该信号被输入到第二模拟移位寄存器12.其输出S通过将Sin的信号波形扩展（tau4.tau2 / tau3.tau1）次而具有等于波形的波形，增加低通滤波器的截止频率， 通过（tau3 / tau4）次通过滤波器，并将得到的波形采样并保持在τ4。
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Patent Agency Ranking
公开(公告)号：JPS59195606A
公开(公告)日：1984-11-06
申请号：JP7022383
申请日：1983-04-21
Applicant: Canon Inc
Inventor： SATOU YUUICHI , TSUNEKAWA TOKUICHI , KAWABATA TAKASHI , MATSUMURA SUSUMU
Abstract: PURPOSE:To decide proper total projected light accumulating time with real time by making a period accumulating electric charge in a charge accumulating part under no light projection precede a period accumulating electric charge in the charge accumulating part under light projection. CONSTITUTION:The image of an optical point image Q projected from a projecting light source 7 to a subject 1 through an optical system 2 is formed on a photodetecting part 11 of a differential type position detecting sensor 10 by the optical system 2. The optical system 2 is constituted so that the position of the optical point image Q' projected on a photodetecting part 11 is moved in accordance with the focusing state of a photographing optical system included in the optical system 2. Defocused state is estimated from a signal (u) including the focusing information of the photographing optical system outputted from the position detecting sensor by a processing means 6 and a driving signal (x) for driving a driving means 8 is sent to the driving means 8 in accordance with an estimated value (v) of the defocused state. The driving means 8 changes the defocused state of the photographing optical system by the driving signal (x).
Abstract translation: 目的：通过在光投射之前的电荷累积部分积累电荷的周期之前，在无光投射下的电荷累积部分中累积电荷，来实时确定合适的总投光累积时间。 构成：通过光学系统2在差分型位置检测传感器10的受光部11上形成通过光学系统2从投影光源7投影到被摄体1的光点图像Q的图像。光学系统 2构成为使得投影在光电检测部11上的光点图像Q'的位置根据包括在光学系统2中的拍摄光学系统的聚焦状态而移动。根据信号（u）估计散焦状态， 包括通过处理装置6从位置检测传感器输出的摄影光学系统的聚焦信息和用于驱动驱动装置8的驱动信号（x），根据估计值（v）被发送到驱动装置8 散焦状态。 驱动装置8通过驱动信号（x）改变拍摄光学系统的散焦状态。
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7.发明专利Controlling system of light projection and detection with distance measuring device 失效光投射控制系统与距离测量装置的检测
公开(公告)号：JPS59195110A
公开(公告)日：1984-11-06
申请号：JP7022283
申请日：1983-04-21
Applicant: Canon Inc
Inventor： TSUNEKAWA TOKUICHI , SATOU YUUICHI , KAWABATA TAKASHI , MATSUMURA SUSUMU
CPC classification number: G02B7/32
Abstract: PURPOSE:To prevent saturation of the accumulated electric charge by ambient light and to enable detection of a distance with high accuracy by changing the frequency of the light projected from a light projecting means in accordance with the level of the output from a photometric means. CONSTITUTION:When an electric power source switch SW is turned on, a photometric circuit consisting of a photoelectric transducer SP50 which measures the luminance of an object, an operational amplifier OP50, and a logarithmic compressing element LD50 operates to output photometric information to the output terminal of the OP50. The photometric information is subjected to an information operation by operational resistors R50, R51, a variable resistor VR51 and an operational amplifier OP51 and aperture information is outputted. Said information is displayed by an exposure display means MT50 and the exposure is controlled by an exposure control circuit EKT. The output from the photometric circuit changes the oscillating frequency of a reference clock for controlling an accumulation type photoelectric transducing means in accordance with brightness. Namely, the frequency is made high when the luminance of the object is high and the frequency is made low when said luminance is low.
Abstract translation: 目的：为了防止由环境光引起的累积电荷的饱和，并能够通过根据光度测量装置的输出电平改变从投光装置投射的光的频率，从而高精度地检测距离。 构成：当电源开关SW接通时，由测量物体的亮度的光电转换器SP50，运算放大器OP50和对数压缩元件LD50组成的测光电路进行操作，以将光度信息输出到输出端子 的OP50。 通过操作电阻器R50，R51，可变电阻器VR51和运算放大器OP51对光度信息进行信息操作，并输出光圈信息。 所述信息由曝光显示装置MT50显示，曝光由曝光控制电路EKT控制。 来自测光电路的输出根据亮度改变用于控制累积型光电转换装置的参考时钟的振荡频率。 即，当所述对象的亮度高并且当所述亮度低时，频率变低时，频率变高。
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公开(公告)号：JPS59194584A
公开(公告)日：1984-11-05
申请号：JP6866183
申请日：1983-04-19
Applicant: Canon Inc
Inventor： SATOU YUUICHI
CPC classification number: H04N5/95
Abstract: PURPOSE:To compensate a fluctuation, and to obtain a picture having a high quality by constituting so that a time base converting means outputs a video signal to be converted, by a frequency corresponding to a relative speed, in a device for executing a record at a speed different from a generating speed of an input video signal. CONSTITUTION:When a start pulse SP is inputted, an input signal Sin is stored in an analog register 10 by a sample pulse phi1, read out by a read-out shift pulse phi2, and inputted to a filter 11. Its output Fout is read in an analog register 12 by a sample pulse phi3 of a period gamma3, in the effective period, and shifted successively. Read-out from the register 12 is executed by synchronizing with a synchronizing signal SY2 of an output side by a read-out shift pulse phi4 of a period gamma4. Accordingly, as for a frequency characteristic of the filter 11, a scale of a frequency axis is converted in an output Sout, the output Fout is extended to gamma4/gamma3, and an equal signal to that which has been sample-held in the period gamma4 is obtained.
Abstract translation: 目的：为了补偿波动，并通过构成来获得具有高质量的图像，使得时基转换装置以与相对速度相对应的频率将用于执行记录的装置输出到要转换的视频信号 与输入视频信号的生成速度不同的速度。 构成：当输入起始脉冲SP时，输入信号Sin通过采样脉冲phi1存储在模拟寄存器10中，由读出的移位脉冲phi2读出，并被输入到滤波器11.其输出Fout被读出 在模拟寄存器12中，在有效期间内由周期γ3的采样脉冲phi3连续移位。 通过与周期γ4的读出移位脉冲phi4同步输出侧的同步信号SY2来执行从寄存器12的读出。 因此，对于滤波器11的频率特性，频率轴的比例在输出Sout中被转换，输出Fout被扩展到γ4/γ3，并且与在期间中被采样保持的信号相等的信号 得到γ4。
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公开(公告)号：JPS59193406A
公开(公告)日：1984-11-02
申请号：JP6864183
申请日：1983-04-18
Applicant: Canon Inc
Inventor： MATSUMURA SUSUMU , SATOU YUUICHI , KAWABATA TAKASHI , TSUNEKAWA TOKUICHI
Abstract: PURPOSE:To measure exactly a distance by providing a diffraction structure body in an optical system for projecting luminous flux for measuring distance, projecting plural diffracted lights generated by the structure body toward an object to be photographed, and photodetecting its reflected diffracted light by a photoelectric converter. CONSTITUTION:A light emitting source 3 rotates within some angle against a projecting lens 4, and a projecting luminous flux spot is scanned to a long distance side from a short distance side on the surface (ob) of an object to be photographed. The projecting luminous flux is diffracted by a diffraction grating 5, and a zero-order diffracted light 8 and + or - primary diffracted lights 10, 9 are generated. By changing an uneven quantity of the diffraction grating, it is also possible to make the intensity of three spots nearly equal, and when only the center part is mainly measured as to its distance, it is also possible to constitute so that there is a peak in the center spot, by weakening the + or - primary diffracted lights. The distance measuring range is expanded by a portion expanded horizontally of a distance measuring luminous flux 14, and the distance measuring luminous flux 14 can scan enough on the object to be photographed. In this way, a distance to the object to be photographed can be derived exactly.
Abstract translation: 目的：通过在用于投射用于测量距离的光通量的光学系统中提供衍射结构体来精确地测量距离，将由结构体产生的多个衍射光朝向被拍摄物体投射，并通过光电检测其反射的衍射光 转换器。 构成：发光源3相对于投影透镜4以一定角度旋转，并且将投射光束点从待拍摄对象的表面（ob）上的短距离侧扫描到长距离侧。 投影光束被衍射光栅5衍射，产生零级衍射光8和+或 - 主衍射光10,9。 通过改变衍射光栅的不均匀量，也可以使三个点的强度几乎相等，并且当仅主要测量中心部分的距离时，也可以构成为具有峰值 在中心点，通过削弱+或 - 主衍射光。 距离测量范围通过在距离测量光通量14水平地扩展的部分扩展，距离测量光束14可以对要拍摄的对象进行足够的扫描。 以这种方式，可以精确地导出到被拍摄对象的距离。
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公开(公告)号：JPS59183325A
公开(公告)日：1984-10-18
申请号：JP5721083
申请日：1983-04-01
Applicant: Canon Inc
Inventor： KAWABATA TAKASHI , SATOU YUUICHI , TSUNEKAWA TOKUICHI , MATSUMURA SUSUMU
CPC classification number: G01C3/06
Abstract: PURPOSE:To obtain a photoelectric convertor capable of measuring distance in a wide range at a high accuracy by arranging a plurality of photoelectric conversion elements in symmetry with respect to the reference line and operating any element symmetrical with respect to the reference line according to external or internal signal. CONSTITUTION:Photoelectric conversion elements 21 and 22 are arranged in symmetry with respect to a reference line and photoelectrically converted values of the elements 21 and 22 for a fixed time interval are outputted to lines 28 and 29 in parallel with added capacitances 26 and 27 by the operation of gates 23 and 24 with the line 25 and a detection signal is outputted for a deviation of the reflected light. Photoelectric conversion elements 31 and 32 are arranged in the direction of deviation detected and gates 33 and 34 are closed on the wide angle side of a zoom with the line 35 as L to check the computation of a double light flux of the elements 31 and 32. Gates 41 and 42 are opened by H of the line 43 and photoelectric conversion elements 44-47 are added to the elements 21 and 22 by opening or closing of gates 48 and 49 to perform a computation. This allows a slight lowering of the accuracy to enable an automatic focusing in a wide range thereby reducing malfanctioning due to a limited object pattern.
Abstract translation: 目的：为了获得能够以高精度测量宽范围距离的光电转换器，通过相对于参考线布置多个光电转换元件对称，并且根据外部或外部操作相对于参考线对称操作任何元件 内部信号 构成：光电转换元件21和22相对于参考线对称布置，并且固定时间间隔的元件21和22的光电转换值与添加的电容26和27并联地输出到线28和29，由 对于反射光的偏差，输出具有线25的门23和24的操作和检测信号。 光电转换元件31和32被布置在检测到的偏差的方向上，并且门33和34在变焦的广角侧上以线35闭合为L，以检查元件31和32的双光通量的计算 门43和42由管线43的H打开，光电转换元件44-47通过门48和49的打开或关闭而被添加到元件21和22中，以进行计算。 这允许稍微降低准确度以使得能够在宽范围内进行自动对焦，从而减少由于受限对象图案引起的误动作。
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