Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent
1994-02-10
1995-11-14
O'Shea, Sandra L.
Electric lamp and discharge devices
Cathode ray tube
Plural beam generating or control
313460, 315 15, H01J 2946
Patent
active
054669839
ABSTRACT:
A cathode ray tube has a gun electrode construction which elongates horizontally a cross section of an electron beam and whose elongating strength weakens as a focusing voltage increases.
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patent: 5281896 (1994-01-01), Bae et al.
Shirai Shoji
Wakita Shoichi
Watanabe Ken'ichi
Hitachi , Ltd.
O'Shea Sandra L.
Patel Vip
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