Electric lamp and discharge devices – Cathode ray tube – Secondary emissive electrode
Patent
1975-04-24
1977-07-05
Segal, Robert
Electric lamp and discharge devices
Cathode ray tube
Secondary emissive electrode
313105R, H01J 4324, H01J 4322
Patent
active
040342549
ABSTRACT:
A color cathode ray tube having a screen with concentric phosphor ring patterns and an electron multiplying channel plate between the screen and the electron gun, the channel plate including a focusing control electrode having a constant focusing action.
REFERENCES:
patent: 2619608 (1952-11-01), Rajchman
patent: 2962623 (1960-11-01), Beintema
patent: 3260876 (1966-07-01), Manley et al.
patent: 3860849 (1975-01-01), Schagen et al.
patent: 3939374 (1976-02-01), Schagen et al.
King Hewson Nicholas Graham
Mansell John Revere
Stubberfield Pamela May
Segal Robert
Trifari Frank R.
U.S. Philips Corporation
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