Digital convergence correction system

Details Digital convergence correction system Digital convergence correction system

1996-01-11

1998-05-12

Issing, Gregory C.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

348745, 348807, H01J 2962, H04N 322, H04N 928

Patent

active

057511225

ABSTRACT:
Digital convergence correction system for correcting misconvergence on a screen of a multi-mode projection television, including a first memory part for storing adjustment point data for every mode of multi-modes, a second memory part for storing convergence correction data in accordance with the adjustment point data, a control part for producing the convergence correction data using the adjustment point data stored in the first memory part for writing the convergence correction data on the second memory part and outputting the convergence correction data stored in the second memory part, and a time sharing processing unit for controlling the control part to share time in producing the convergence correction data and renewing convergence correction data in the second memory part and outputting the convergence correction data stored already in the second memory part for preventing overlap of the producing and storing time and the outputting time.

REFERENCES:
patent: 5382984 (1995-01-01), Tsujihara et al.

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