Cathode ray tube with temperature compensated deflection unit

Details Cathode ray tube with temperature compensated deflection unit Cathode ray tube with temperature compensated deflection unit

1997-06-16

1998-02-03

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

H01J 2970

Patent

active

057148341

ABSTRACT:
A cathode ray tube is provided with a deflection unit. The yoke is secured to a flange of a coil holder by means of connecting elements. These connecting elements are flexible in the radial direction so that differences in thermal expansion between the yoke and the rest of the deflection unit are compensated in a flexible manner. By virtue thereof, movement of the yoke relative to the coils, which leads to an irreversible change of the deflection fields, is precluded or is at least less likely.

REFERENCES:
patent: 4874982 (1989-10-01), Overdijk et al.

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