Employing an electronic shutter, the camera CCD integration time (exposure) can be controlled to less than 1/60 or 1/50 sec to reduce smear when capturing fast moving objects. All light sensitive sensors can be simultaneously erased (while darkened shift registers are not affected). Effective time of exposure (the time between erasing the sensor and start of the read out process) can thus be freely controlled by the camera electronics. Note: Unless using a progressive scan camera, one shutter grabs just one half an image (one field). It means that in case of composing full frame image, both odd and even fields will be shifted each other (the odd field of real image is captured at a different point of time than the even field is).
Is a feature of all cameras offered at AutomatedSurveillance.com. This feature automatically changes the speed at which light is captured in fields of video by the CCD image sensor. Automatic electronic shutter determines the amount of light available and helps deliver the best quality video by dynamically adjusting for the current lighting conditions by toning down light levels in very bright situations and boosting brightness in low lighting situations.
A camera feature that compensates for changes in light conditions, from bright sunlight to dim indoor lighting.
Sometimes referred to as Electronic Light Control, electronic shuttering controls the amount of time a CCD camera collects light or charge during each field. Standard signal formats employ approximately 60 fields per second, the camera collecting charge for 1/60 second for each field. As light levels increase the sensor overfills with charge, resulting in blooming or streaking. Electronic shuttering circuits prevent these effects by allowing the sensor to collect charge for a shorter period during each field. Steps in shuttering generally halve the previous collection time; for example, from 1/60 second to 1/125, then 1/250, 1/500,1/1000, etc. (These steps correspond to unit f-stop increments, f/1, f/2, f/3...)
Compensates for moderate light changes in indoor applications without the use of auto iris lenses.
shutter system timed by electronic rather than mechanical means.