FIELD: TV engineering. SUBSTANCE: TV unit has sync generator 1, switching unit 2, unit 3 of electron switches, CCD array 4, videoamplifiers 5 and 8, unit 6 for selecting n-th frame, AND gate 7, electron switches 9 and 13, memory unit 10, OR gate 11, control unit 12, pulse signal detecting unit 14, flip-flop 15, time interval measuring unit 16 and differential amplifier 17. Output frame is formed as different frame which has image of pulse optical signal. Background and interferences ar suppressed. EFFECT: improved noise immunity. 2 dwg
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|---|---|---|---|
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|
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|
SU1517737A1 |
