Digital convergence correcting circuit

Details Digital convergence correcting circuit Digital convergence correcting circuit

1993-12-23

1997-12-02

Lee, Michael H.

Television

Video display

Cathode-ray tube

348806, 31536813, 31536812, H04N 928

Patent

active

056941811

ABSTRACT:
A digital convergence correcting circuit for digitally correcting a convergence of R, G and B, which includes a memory for storing only seed data and a convergence correcting part for interpolating and latching the stored seed data with 16 points of sampling data by using a predetermined equation and then interpolating the latched sampling data in a vertical direction with as many horizontal lines as are necessary according to the particular broadcasting system. Since only seed data is stored at the memory, the size of the memory is minimized.

REFERENCES:
patent: 4672275 (1987-06-01), Ando
patent: 4673847 (1987-06-01), Louie et al.
patent: 4816908 (1989-03-01), Colineau et al.
patent: 5111284 (1992-05-01), Tsujihara et al.
patent: 5216497 (1993-06-01), Tsujihara et al.
patent: 5345280 (1994-09-01), Kimura et al.

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