Cathode ray tube with line deflection coils comprising...

Details Cathode ray tube with line deflection coils comprising... Cathode ray tube with line deflection coils comprising...

H - Electricity

01

J

313/35.11

H01J 29/76 (2006.01) H01J 29/70 (2006.01)

Patent

CA 1265837

ABSTRACT: Cathode ray tube comprising a deflection unit having a field deflection winding with two diametrically opposite field deflection coils and a line deflection winding with two diametrically opposite line deflection coils. Each coil has a front end segment (15, 18) , a rear end segment and conductors extending between the front and the rear end segments. In order to correct a rotation of the horizontal lines of the raster with respect to the horizontal axis, which rotation is produced by tolerance errors two plate-shaped parts 21, 21' of a soft magnetic material are arranged near the front end segments (15) of the two line deflection coils (11, 11') in positions which coincide with two oppositely located vertices of a rectangle whose diagonals intersect each other on the longitudinal axis of the deflection unit and in which positions parts of the line deflection coil front end seg- ments (11, 11') are located opposite parts of the field deflection coil front end segments (12, 12').

533099

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