Method for Controlling Flash Timing of Extension Flash Module
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United States of America Patent
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Nov 17, 2015
filing date -
Nov 19, 2014
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Abstract
The present invention provides a method for controlling flash timing of an extension flash module cooperating with a mobile device. The method includes: detecting a specific event, wherein a time period from when the specific event occurs to the start of an exposure of the first row of a photo sensor is a constant; determining whether there is one single flashable time period wherein one flash is receivable by every row of the photo sensor; when there is such a single flashable time period, conducting one single flash after a delay time from the specific event; and when there is no such single flashable time period, conducting a first flash after a delay time from the specific event, and conducting a second flash after a delay time from the first flash.
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