H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/84
H04N 3/24 (2006.01) H04N 3/27 (2006.01)
Patent
CA 2035335
ABSTRACT OF THE DISCLOSURE In a television receiver, a change in a horizontal frequency of an input television signal between a high frequency and a low frequency is detected. A horizontal oscillation frequency, a horizontal deflection drive pulse width, and a horizontal blanking period are changed in a first predetermined sequence in response to a change in the horizontal frequency of the Input television signal from the high frequency to the low frequency. The horizontal oscillation frequency, the horizontal deflection drive pulse width, and the horizontal blanking period are changed in a second predetermined sequence in response to a change in the horizontal frequency of the input television signal from the low frequency to the high frequency. The first and second predetermined sequences are opposite to each other.
Matsushita Electric Industrial Co. Ltd.
Robic
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