Tracking picture tube

Details Tracking picture tube Tracking picture tube

2005-05-10

2005-05-10

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

C315S366000, C315S364000, C313S471000, C313S413000, C313S421000

Reexamination Certificate

active

06891340

ABSTRACT:
The present invention relates to a tracking picture tube of the type in which comb-shaped electrodes or optical detecting means (12, 13) are used for generating a signal related to the position of an electron beam with respect to the strips (5). The tube is characterized in that the deflection unit is arranged to deflect the beams (21r,21g,21b) onto selected strips (22r,22g,22b) having coincident sides which neighbour finger portions (14, 15) of the same electrode (12, 13), and the selected strips (22r,22g,22b), excited by the electron beams, are separated by at least one unexcited strip, respectively.

REFERENCES:
patent: 4635107 (1987-01-01), Turner
patent: 6281947 (2001-08-01), Teter et al.
patent: 6424102 (2002-07-01), Holtslag
patent: 20020171353 (2002-11-01), Holtslag
patent: 2122415 (1984-01-01), None

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