{HEAD ~ The invention} allows {TAIL ~ the simultaneous reading} of line signals from two adjacent rows of pixels so that combinations of signals from pixels in adjacent rows may be obtained without the use of an external delay line device 
allows
{ HEAD ~ The invention } allows { TAIL ~ the simultaneous reading } of line signals from two adjacent rows of pixels so that combinations of signals from pixels in adjacent rows may be obtained without the use of an external delay line device
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