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    • 1. 发明授权
    • Galvanometer-type tilting-mirror scanning system and circuit therefor
    • 电流计式倾斜镜扫描系统及其电路
    • US4368489A
    • 1983-01-11
    • US279038
    • 1981-06-30
    • Otto StemmeEduard WagensonnerWolfgang Ruf
    • Otto StemmeEduard WagensonnerWolfgang Ruf
    • H04N3/08H04N9/11G02B27/17
    • H04N9/11H04N3/08
    • A galvanometric tilting-mirror scanning system shifts an image of an original projected onto a photodiode row in a direction transverse to such row. The tilting-mirror mechanism is provided with an oil-filled damping chamber, heated and maintained at stabilized temperature. The control voltage driving the tilting-mirror system includes a sawtooth component whose lower-slope flanks determine the mirror's scanning sweep; a negative pulse which effects mirror tiltback or flyback; a positive pulse which brakes the tiltback and accelerates the mirror back up to its forwards-direction scanning-sweep speed; and finally a corrective component. The corrective component has the form of a pulse which increases the slope of the sawtooth component's lower-slope flanks during a time interval extending beyond the system's vertical blanking allotment, to compensate the non-linearity in the motion of the mirror which would exist during its forwards-direction scanning-sweep interval in the absence of the corrective component.
    • 电流倾斜镜扫描系统将横向于该行的方向将投影到原始光电二极管行上的图像移动到光电二极管行上。 倾斜镜机构设有充油阻尼室,加热并保持在稳定的温度。 驱动倾斜镜系统的控制电压包括锯齿波分量,其下斜侧面决定了镜的扫描扫描; 影响镜面倾斜或反射的负脉冲; 正向脉冲,其制动倾斜并加速反射镜向前扫描扫描速度; 最后是一个纠正组件。 校正组件具有脉冲的形式,其在延伸超出系统的垂直消隐分配的时间间隔内增加锯齿形部件的下斜面侧面的斜率,以补偿其在其内部存在的反射镜的运动中的非线性 在没有校正组件的情况下,前向扫描间隔。
    • 2. 发明授权
    • Projection and scanning system for producing video signals from motion
picture film and control system used therein
    • 用于从其中使用的电影胶片和控制系统产生视频信号的投影和扫描系统
    • US4296438A
    • 1981-10-20
    • US136114
    • 1980-03-31
    • Otto StemmeWolfgang RufEduard Wagensonner
    • Otto StemmeWolfgang RufEduard Wagensonner
    • H04N5/253H04N3/36H04N3/38
    • H04N3/38
    • A projection and scanning system for synchronization of photographic film projection with vertical sync pulses is taught. In this system, developed photographic film is advanced into a projection gate which is larger than the vertical height of an individual photographic frame. As a given film frame passes through the projection gate, it is repeatedly scanned by a mirror and the projected image reflected onto a charge-coupled image sensor which can be used to provide information for a video signal. Perforations on the film enable pulses to be developed at a photocell which are a function of film speed. By processing these pulses, along with vertical sync pulses and appropriate control waveforms, accurate scanning of the film can be achieved, enabling video signals resulting in flickerless television transmissions to be generated.
    • 教导了用于摄影胶片投影与垂直同步脉冲同步的投影和扫描系统。 在该系统中,显影的照相胶片被推进到比单独的照相框的垂直高度大的投影门。 当给定的胶片框架通过投影门时,它被反射镜重复扫描,反射到电荷耦合图像传感器上的投影图像可以用于提供视频信号的信息。 胶片上的穿孔使得能够在光电池上产生脉冲,这是膜速度的函数。 通过处理这些脉冲以及垂直同步脉冲和适当的控制波形,可以实现胶片的精确扫描,使视频信号产生无闪烁的电视传输。
    • 5. 发明授权
    • Electronic scanning of super-8 films for reproduction on a T.V. viewing
unit
    • 用于在T.V观看单元上进行电子扫描的超8张影片进行再现
    • US4330793A
    • 1982-05-18
    • US56789
    • 1979-07-11
    • Otto StemmeEduard WagensonnerWolfgang Ruf
    • Otto StemmeEduard WagensonnerWolfgang Ruf
    • H04N9/11H04N3/08H04N9/07
    • H04N9/11
    • Super-8 motion-picture film is transported non-intermittently at constant speed, and its image is projected into an image plane in which is located a single row of photodiodes which extends transverse to the film transport direction. The photodiodes of the single photodiode-row are successively responsive to red, blue and green wavelengths. A bucket-brigade circuit or CCD including the photodiode-row furthermore includes a shift register which receives the photodiode signals in parallel, is then read out serially, with its output signal then time-division demultiplexed to obtain separate red, blue and green signals; or else three shift registers are used, each receiving signals only from those photodiodes responsive to a respective one of the three component colors. Whereas the photodiode-row is responsible for horizontal scanning, vertical scanning is achieved in part due to film transport per se and in part due to a tilting-mirror deflector which deflects the image projected onto the photodiode-row. The tilting-mirror deflector is a galvanometric moving-coil mechanism, and is energized by a sawtooth waveform to effect forwards scanning and abrupt vertical-direction flyback or tiltback, and is provided with special brief pulses for effecting abrupt direction reversals of the tilting mirror.
    • Super-8电影胶片以恒定的速度非间歇地传送,并且其图像被投影到图像平面中,其中位于横向于胶片传送方向延伸的单行光电二极管。 单个光电二极管行的光电二极管依次响应红色,蓝色和绿色波长。 包括光电二极管行的斗式电路或CCD还包括并行接收光电二极管信号的移位寄存器,然后其输出信号被顺序解复用以获得单独的红色,蓝色和绿色信号; 或者使用三个移位寄存器,每个移位寄存器仅接收来自响应于三个分量颜色中的相应一个的那些光电二极管的信号。 尽管光电二极管行负责水平扫描,但是部分由于胶片输送本身而部分地实现了垂直扫描,部分是由于倾斜镜偏转器使投影到光电二极管行上的图像偏转。 倾斜镜偏转器是电流计动力线圈机构,并且由锯齿波形激励以实现向前扫描和突然的垂直方向回扫或倾斜,并且具有用于实现倾斜镜的突然方向反转的特殊短暂脉冲。
    • 7. 发明授权
    • Method of and apparatus for making video images
    • 制作视频图像的方法和设备
    • US4652929A
    • 1987-03-24
    • US786311
    • 1985-10-10
    • Otto StemmeEduard Wagensonner
    • Otto StemmeEduard Wagensonner
    • H04N5/217H04N1/409H04N1/48H04N5/335H04N5/76H04N5/84H04N3/36
    • H04N1/486H04N1/4092
    • A method of producing a video picture of an image comprises the steps of lighting the image at a light level equal to about a predetermined small fraction of the light level necessary to produce picture-element signals of an amplitude sufficient to process. The thus lighted image is then scanned and electrooptically reduced to a succession of sets of analog picture-element signals a predetermined number N of times, the number N being equal to the inverse of the predetermined small fraction. Thus for each portion of the image there is a respective picture-element signal in each succession. The signals of each image portion are then projected onto the same portion of a light-sensitive medium to form a picture of the image thereon. This medium is capable of adding each of the signals of each set to the signals of the other sets corresponding to the same image portion.
    • 产生图像的视频图像的方法包括如下步骤:以等于产生足以处理的幅度的图像元素信号所需的光量级的大约预定的小部分的光级别点亮图像。 然后将如此照亮的图像扫描并电光学地减少到预定数量N次的一系列模拟图像元素信号,数量N等于预定小部分的倒数。 因此,对于图像的每个部分,每个连续存在相应的图像元素信号。 然后将每个图像部分的信号投影到光敏介质的相同部分上以在其上形成图像的图像。 该介质能够将每组信号中的每一个信号与对应于同一图像部分的其它集合的信号相加。
    • 10. 发明授权
    • Shutter-diaphragm system with light-totalizing circuit
    • 具有光累加电路的快门光圈系统
    • US4251141A
    • 1981-02-17
    • US029912
    • 1979-04-16
    • Otto StemmeEduard Wagensonner
    • Otto StemmeEduard Wagensonner
    • G03B7/097G03B7/091G03B9/02G02F1/13
    • G03B7/097
    • During the course of an exposure, the camera's exposure aperture progressively increases in size and then is blocked to terminate the exposure in response to a terminate-exposure signal. A light-dependent pulse generator including a photoelement exposed to scene light generates a pulse train whose pulse repetition frequency varies as a function of scene light. A light-totalizing counter receives and counts pulses of such pulse train during the course of an exposure and generates a terminate-exposure signal when a predetermined number of pulses has been counted. A frequency-modifying circuit is operative as the exposure aperture progressively increases in size during an exposure for effecting a corresponding and compensatory progressive increase of the light-dependent repetition frequency of the pulses counted by the counter means.
    • 在曝光过程中,相机的曝光孔径逐渐增加,然后被阻止以响应于终止曝光信号而终止曝光。 包括暴露于场景光的光电元件的依赖于光的脉冲发生器产生脉冲重复频率作为场景光的函数而变化的脉冲串。 累计计数器在曝光过程中接收和计数这样的脉冲串的脉冲,并且当计数了预定数量的脉冲时产生终止曝光信号。 频率修正电路是可操作的,因为在曝光期间曝光孔径尺寸逐渐增加,以实现由计数器装置计数的脉冲的光依赖重复频率的相应和补偿性逐渐增加。