Television – Basic receiver with additional function – Multimode
Patent
1995-10-27
1998-05-12
Kostak, Victor R.
Television
Basic receiver with additional function
Multimode
348704, 315371, H04N 546
Patent
active
057513708
ABSTRACT:
A horizontal size adjusting apparatus of a monitor capable of varying size and linearity of a deflection signal by varying an amount of current supplied to a deflection circuit in accordance with a horizontal frequency includes a first current controlling section for generating a plurality of first control signals to vary the amount of current supplied to the deflection circuit and adjusting a horizontal size by correcting the size and linearity of the deflection signal in accordance with first control signals, a second current controlling section for generating second control signals to vary the amount of current supplied to the deflection circuit by receiving output signals of a decoder and adjusting the horizontal size by correcting the size and linearity of the deflection signal in accordance with the second control signals, and a current output section for supplying the amount of current varied by the first and second current controlling sections to the deflection circuit. By varying the size and linearity of the deflection signal in accordance with the output current of the current output section, the horizontal size is accurately adjusted while improving picture quality.
REFERENCES:
patent: 4763194 (1988-08-01), Osman
patent: 4795946 (1989-01-01), Nishiyama
patent: 4942471 (1990-07-01), Chikuma
patent: 5164639 (1992-11-01), Shimaoka et al.
patent: 5444338 (1995-08-01), George
patent: 5576771 (1996-11-01), Van Tol
Daewoo Electronics Co. Ltd.
Kostak Victor R.
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