Cathode ray tube having index strip electrode

Details Cathode ray tube having index strip electrode Cathode ray tube having index strip electrode

1974-07-19

1976-02-17

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

313471, 358 67, H04N 906, H04N 922, H04N 924

Patent

active

039394867

ABSTRACT:
A cathode ray tube for use with color image signal processing system, which comprises: an evacuated envelope having a transparent faceplate; an electron gun positioned within the envelope for emitting an electron beam toward the faceplate; a deflection means for deflecting the electron beam so that the electron beam vertically and horizontally scans the faceplate; and an index strip member including a plurality of successively arranged index strips positioned at an upper or lower surface of the faceplate, each of the index strips extending in a direction perpendicular to the horizontal scanning direction of the electron beam, and a pair of start and stop index strips each positioned at one side portion of the faceplate and elongated in parallel with the index strips and in substantially the same extent as that of the vertical deflection of the electron beam.

REFERENCES:
patent: 2685047 (1954-07-01), Moore
patent: 2744953 (1956-05-01), Antranikian
patent: 3784735 (1974-01-01), Brown et al.

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