Method and image capture device for autofocus via specific light signal
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United States of America Patent
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Issued Date -
Apr 19, 2007
app pub date -
Mar 13, 2006
filing date -
Oct 19, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and image capture device for autofocus (AF) via a specific light signal, comprises the steps of: (a) emitting a light signal from an object in a scene to an image capture device, for example, a digital camera or a digital camcorder; (b) receiving and detecting the position of the light signal; (c) moving the lens of the image capture device to an acquired AF according to the position of the light signal; (d) setting the exposure and white balance data with weighting on the position of the light signal; and (e) capturing the image with the AF, exposure and white balance data. Therefore, even an unprofessional photographer can use such a device to focus on the object perfectly and rapidly.
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