H - Electricity – 04 – N
Patent
H - Electricity
04
N
352/10.31, 352/1
H04N 5/93 (2006.01) H04N 5/932 (2006.01) H04N 5/937 (2006.01)
Patent
CA 1320764
ABSTRACT OF THE DISCLOSURE A video signal reproducing apparatus includes a field memory for storing one field of a reproduced video signal, a signal separator for extracting a horizontal sync pulse signal and vertical sync pulse signal from the reproduced video signal, and an address counter responsive to the horizontal sync pulse signal for addressing the field memory. The apparatus comprises a pseudo signal generator for producing a pseudo vertical sync pulse signal delayed relative to the vertical sync pulse signal. A reset signal generator is connected to the vertical sync pulse separator and the pseudo signal generator for producing a reset signal to reset the address counter. Normally, the reset signal generator uses the vertical sync pulse signal to produce the reset signal. The reset signal generator uses the pseudo vertical sync pulse signal to produce the reset signal only when no vertical sync pulse is obtained from the vertical sync pulse separator.
575552
Gowling Lafleur Henderson Llp
Sony Corporation
LandOfFree
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