Patent
Method and apparatus for producing a composite still picture of a moving object in successive positions
Hiroki Sato,Hiroh Takahashi +1 more
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TLDR
In this paper, a storage-type image pick-up tube having a shutter associated therewith and a memory device are synchronously operated to produce a composite video signal which, when repeatedly applied to a video monitor or other image display device, provides a composite still picture of a moving object in an initial position and changes from such position at intervals over a period of time.Abstract:
A storage-type image pick-up tube having a shutter associated therewith and a memory device are synchronously operated to produce a composite video signal which, when repeatedly applied to a video monitor or other image display device, provides a composite still picture of a moving object in an initial position and changes from such position at intervals over a period of time The synchronous operations comprise a first step of opening the shutter while operating the pick-up tube to pick-up an image of the object in its initial position and to produce a corresponding first video signal which is simultaneously stored in the memory device, a second step of closing the shutter while reading-out any signal previously stored in the memory device and storing the read-out signal in the pick-up tube, a third step of opening the shutter while operating the pick-up tube to pick-up an image of the object in a subsequent position and to produce a corresponding signal from which the signal then stored in the pick-up tube is subtracted for providing a resultant signal which is stored in the memory device in superposed relation to the signal previously stored in the memory device, and repeating the second and third steps cyclically at intervals for the duration of the prescribed period of timeread more
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Differential enhancement of periodically variable images
TL;DR: In this paper, image signals are converted to video signals which are differentially detected, integrated, subtracted and displayed to display integrated differential features, which can be used to display differential features.
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TL;DR: In this article, a PN-junction target in an information storage system stores an electronic charge pattern that varies in accordance with the quantity of illumination incident thereon, and a single PN junction target provides good charge separation for improved sensitivity of the storage device to small quantities of illumination incidents thereon.