Multicolor display for the visual-aesthetic portrayal of electri

Details Multicolor display for the visual-aesthetic portrayal of electri Multicolor display for the visual-aesthetic portrayal of electri

1973-07-13

1976-02-24

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

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179 1SP, H04N 902

Patent

active

039407896

ABSTRACT:
A multicolor visual display apparatus for stereophonic sound signals is disclosed. The display apparatus includes a conventional three gun color cathode ray tube, having a screen with a plurality of colored phosphor dot triads. Stereophonic signals are coupled to a deflection yoke located on the neck of the tube for producing a pattern on the screen in sympathy with the information content of the channels. The convergence coils and purity rings normally located at the rear of the yoke on a three gun color tube neck are not used. Their absence permits the location of the deflection yoke behind its normal position whereby electrons from any of the guns strike phosphor dots of different colors in different regions of the screen, producing a pleasing multicoloration of the pattern. A coil in the nature of a standard degaussing coil is activated while the pattern is displayed to further enhance this multicoloration.

REFERENCES:
patent: 3193838 (1965-07-01), Mitchell, Jr.
patent: 3604852 (1971-09-01), Weintraub
patent: 3627912 (1971-12-01), Hearn
patent: 3697688 (1972-10-01), Busch et al.
patent: 3723652 (1973-03-01), Alles et al.
patent: 3806648 (1974-04-01), Odagi
RCA Service Co., Inc., Practical Color Television, 1953, pp. 41-42.
"Electronics World," Dec. 1965 (Vol. 74, No. 6), cover page and p. 3.

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