Multiple color single gun TV picture tube

Details Multiple color single gun TV picture tube Multiple color single gun TV picture tube

1981-03-12

1982-10-26

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

358 66, H01J 2980

Patent

active

043564348

ABSTRACT:
A single electron gun cathode ray tube for producing color pictures comprising three types of small bodies or beads affixed on the inner surface of the viewing end of the tube. The beads of the three types have phosphors associated with them to produce red, green and blue light respectively. A tuned tank circuit is associated with each bead and comprises opposite capacitor plates connected by an inductor extending through the bead for causing the bead and its phosphor to be excited at a certain frequency of electron flow from the electron gun of the tube, so that three different frequencies of electron flow cause the three different types of beads to produce red, green and blue light emissions respectively.

REFERENCES:
patent: 2683769 (1954-07-01), Banning, Jr.
patent: 2728815 (1955-12-01), Kalfaian
patent: 2875375 (1959-02-01), Kruper et al.
patent: 2888593 (1959-05-01), Anderson et al.
patent: 3043987 (1962-07-01), Michlin
patent: 3428858 (1969-02-01), Glyptis
patent: 3492416 (1970-01-01), Weber

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