Spot killer circuit

Details Spot killer circuit Spot killer circuit

H - Electricity

01

J

350/109

H01J 29/52 (2006.01) H04N 3/20 (2006.01)

Patent

CA 1117651

TITLE OF THE INVENTION: Spot Killer Circuit ABSTRACT OF THE DISCLOSURE: A spot killer circuit wherein when a power switch is turned off, a transistor interconnected between the first gird of a picture tube and a low voltage supply is driven into the cut-off region so that the first grid voltage may be abruptly raised so as to cause the discharge of the picture tube. - 1 -

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