Moving detection circuit

Details Moving detection circuit Moving detection circuit

H - Electricity

04

N

350/56

H04N 5/14 (2006.01) H04N 5/21 (2006.01) H04N 9/77 (2006.01) H04N 7/13 (1990.01)

Patent

CA 1322241

ABSTRACT OF THE DISCLOSURE A moving detection circuit which has a difference level generator which includes at least a frame delay circuit, and a vertical correlation detector which is connected to the difference signal generator and including a plurality of filters connected to the difference signal generator. A switching circuit for selecting one of the plurality of filters is provided and a control circuit is connected to the vertical correlation detector so as to control the switching circuit in response to the output level of the vertical correlation detector.

604330

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