According to the invention, an embodiment of a television camera is characterized in that the input terminal of the preamplifier is connected by a diode to a terminal for carrying a reference voltage, which diode is non conductive during line scanning periods and is conductive during {HEAD ~ that portion} of {TAIL ~ line blanking periods} in which current peaks produced by the anti comet tail gun occur 
According to the invention , an embodiment of a television camera is characterized in that the input terminal of the preamplifier is connected by a diode to a terminal for carrying a reference voltage , which diode is non conductive during line scanning periods and is conductive during { HEAD ~ that portion } of { TAIL ~ line blanking periods } in which current peaks produced by the anti comet tail gun occur
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