Flat configuration image display apparatus

Details Flat configuration image display apparatus Flat configuration image display apparatus

1990-01-31

1993-04-13

Yusko, Donald J.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

313422, 313425, 313427, 313497, 315371, H01J 2970, H01J 3112, H01J 3120

Patent

active

052026094

ABSTRACT:
In a flat configuration color display CRT in which one or more rows of electron beams are generated with the electron beams passing through respective apertures in successively disposed electrodes including horizontal deflection electrodes, apertures formed in an electrode positioned adjacent to the horizontal deflection electrodes have a central axis position displacement with respect to corresponding apertures of the horizontal deflection electrodes. A trajectory correction voltage which varies during each vertical scanning interval is applied to that adjacent electrode to execute dynamic adjustment of electron beam landing positions and thereby correct for an angular positioning error between a fluorescent layer pattern of the CRT and the electrode structure.

REFERENCES:
patent: 4417184 (1983-11-01), Takesako et al.
patent: 4449148 (1984-05-01), Inohara et al.
patent: 4542322 (1985-09-01), Irie et al.
patent: 4694225 (1987-09-01), Tomii et al.
patent: 4804887 (1989-02-01), Miyama et al.
patent: 4973889 (1990-11-01), Tomii et al.

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