Display device comprising compensation coils

Details Display device comprising compensation coils Display device comprising compensation coils

1992-05-12

1995-03-21

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313431, H01J 2998

Patent

active

053999347

ABSTRACT:
A display device comprising a cathode ray robe having a deflection unit with elongated compensation coils for compensating the stray field of the deflection unit next to the display device. The distance between the coils is preferably at least 0.7 times the dimension of the display window in the line deflection direction, and the length/width ratio of the coils is at least 3:1.

REFERENCES:
patent: 4857805 (1989-08-01), Bosch et al.
patent: 4992697 (1991-02-01), Penninga et al.

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