Digital camera and method for testing the function of a digital camera
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United States of America Patent
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Issued Date -
Oct 21, 2010
app pub date -
Apr 19, 2010
filing date -
Apr 20, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention refers to a digital camera 1 which can be used in a motion sensor 4. In order to be able to test the function of the camera, a light source 3 is provided which irradiates at least a part of the sensing matrix 2. The processor device 5 of the camera judges whether the output signal of the sensing matrix 2 corresponds correctly to the light which has irradiated the sensing matrix 2. Various test methods are disclosed, such as using varying wavelengths, ON/OFF-modulation, dependence on shutter time and illumination of various regions of the sensing matrix 2.
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