| 摘要 |
In order to improve the resolution, the invention supplies a method and the corresponding apparatus, which comprises a double correlated sample-and-hold element (20), a detection element (10) with a CCD device including three stages (11, 12, 13) for R, G and B channels in which the R, G and B light signals are converted into electrical signals, which are sent to the double correlated sample-and-hold stages (21, 22, 23) so as to remove black noise, a preamplifier (40) and a processor and video encoder (50). It further comprises a circuit (60) for delay by 2/3 pitch or by 1/2 pitch at the exit of the G channel detection; a circuit (70) for delay by 1/3 pitch or tapping circuit for the output of the detection of the B channel or to tap off the said signals directly, and a signal converter element (80) for controlling these elements and choosing a desirable interlacing. <IMAGE>
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