Adaptive convergence adjustment for multi-scan monitor

Details Adaptive convergence adjustment for multi-scan monitor Adaptive convergence adjustment for multi-scan monitor

1997-10-27

1999-08-17

Westin, Edward P.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

348745, 348807, 348189, 345 22, 345211, 31536818, 315 115, H01J 2951, H04N 928, G09G 128

Patent

active

059398434

ABSTRACT:
The present invention relates to a multi-frequency display system and method for providing color convergence. The system comprises a convergence circuit that is configured to receive a first set and a second set of color input signals. The first of color input signals operates at a first frequency, and the second set of color input signals operates at a second frequency. The system also comprises a controller circuit coupled to the convergence circuit, that is configured to generate a first convergence signal corresponding to the first frequency and a second convergence signal corresponding to the second frequency. The convergence circuit generates a first control signal in response to the first set of color input signals and the first convergence signal. The convergence circuit generates a second control signal based on the second set of color input signals and the second convergence signal. A set of electron guns coupled to the convergence circuit are configured to generate beams that are adjusted to provide color convergence at said first frequency and at said second frequency.

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