Deflection device for use in color television receiver

Details Deflection device for use in color television receiver Deflection device for use in color television receiver

1975-09-16

1977-07-05

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335210, H01F 100

Patent

active

040343243

ABSTRACT:
A deflection device for use in a color television receiver comprises a deflection yoke fitted to a neck portion of the color television receiver having three horizontally arranged electron guns so designed as to emit three electron beams, for deflecting horizontally and vertically said three electron beams emitted onto a fluorescent screen from the electron guns of the color television receiver, and soft magnetic material pieces fitted to an end portion of the deflection yoke nearer to the screen, for locally varying the distribution of a deflection field generated by the yoke so as to correct mis-convergence of said three electron beams occurring at the peripheral portion of the screen.

REFERENCES:
patent: 3247426 (1966-04-01), Havn
patent: 3622927 (1971-11-01), Washburn
patent: 3899710 (1975-08-01), Machida et al.
patent: 3913042 (1975-10-01), Talsma
RCA Review, vol. XII, Sept. 1951, No. 3, pp. 612, 613, 619, 625, 628, 629, 640, & 641.

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