Cathode ray tube with improved yoke clamp

Details Cathode ray tube with improved yoke clamp Cathode ray tube with improved yoke clamp

1995-11-16

1996-10-22

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313438, H01J 2970, H01J 2974

Patent

active

055680100

ABSTRACT:
The deflection coil for a cathode ray tube is secured to the outside of the glass envelope of the tube via a yoke assembly including a yoke clamp having a band which encircles the assembly and is adjusted to securely hold the assembly in place. Dividing the band into sub bands separated by a space along substantially the entire length of the band significantly reduces the stress on the neck of the glass envelope of a cathode ray tube, thereby reducing the incidences of tube failures due to neck cracking.

REFERENCES:
patent: 3921110 (1975-12-01), Ishii et al.
patent: 4064543 (1977-12-01), Phillips
patent: 4453921 (1984-06-01), Venturi
patent: 4556857 (1985-12-01), Legail
patent: 5347366 (1994-09-01), Ham
patent: 5350968 (1994-09-01), Kwon
Philips Data Handbook, Electron tubes Book T5, 1988, Cathode-Ray tubes.

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