Patents Represented by Attorney Norman J. 0'Malley

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  • Assymetric top-bottom pincushion correction circuit
    Patent number: 4093895
    Abstract: In a top-bottom pincushion correction circuit having a saturable reactor with a control winding coupled to a source of deflection current at a horizontal scan frequency and an output winding coupled to a source of deflection current at a vertical scan frequency, a means coupled to the control winding unbalances the waveform applied thereto from the source of deflection current at a vertical scan frequency to provide asymmetric top-bottom pincushion correction.
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: June 6, 1978
    Assignee: GTE Sylvania Incorporated
    Inventor: Robert P. Collette