Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent
1975-02-05
1976-11-09
Segal, Robert
Electric lamp and discharge devices
Cathode ray tube
Plural beam generating or control
H01J 2951, H01J 2982
Patent
active
039913384
ABSTRACT:
A color cathode-ray tube wherein a convergence unit comprises a symmetric shielding assembly in the form of three identical V-shaped bent plates, secured to each other by only three welds.
REFERENCES:
patent: 3215880 (1965-11-01), Krackhardt
patent: 3689791 (1972-09-01), McQueen et al.
patent: 3710164 (1973-01-01), Rimmler
patent: 3725712 (1973-04-01), Sawagata
VAN DEN Einden Henricus Franciscus Petrus
VAN DER Heijden Antonius Wilhelmus Franciscus
Berka George B.
Segal Robert
Trifari Frank R.
U.S. Philips Corporation
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