Polychrome matrix screen without coupling between the rows and c

Details Polychrome matrix screen without coupling between the rows and c Polychrome matrix screen without coupling between the rows and c

1985-08-15

1988-04-12

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340701, 340783, 340784, 340805, 350339F, G09G 336

Patent

active

047377771

ABSTRACT:
Each image point X.sub.ij of the matrix screen is defined by the intersection between a control row i having at least one electrode and a control column j having an even number of electrodes. In order to eliminate the coupling between the rows and columns, the voltage signals applied to the electrodes of the same control column cancel one another out in groups of two.

REFERENCES:
patent: 3995942 (1976-12-01), Kawakami et al.
patent: 4041481 (1977-08-01), Sato
patent: 4470667 (1984-09-01), Okubo et al.
patent: 4485380 (1984-11-01), Soneda et al.
patent: 4600274 (1986-07-01), Morozumi
patent: 4613854 (1986-09-01), Holz et al.

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