| 摘要 |
PROBLEM TO BE SOLVED: To densely provide photoelectric converters in an imager comprising a differential comparator for comparing a reference level with the signal level of an analog image signal.SOLUTION: An imaging unit comprises: the imager which comprises a pixel part including the plural photoelectric converters; a signal processor for processing a digital signal outputted from the imager; and the differential comparator which is disposed in the imager, compares the reference level with the signal level of an output signal generated in accordance with an electric charge amount photoelectrically converted by the pixel part, and outputs a digital signal.SELECTED DRAWING: Figure 3 |
