Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1981-08-14
1984-09-11
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
313479, 315 47, 315 73, H01J 2996
Patent
active
044712642
ABSTRACT:
An electrical conductor device is connected between an anode voltage supply terminal on the funnel and an electron gun assembly in the neck in parallel with a conductive inner graphite film for electrical connection of the terminal and the assembly. The conductive inner graphite film has a high-resistance portion and a low-resistance portion, and the electrical conductor device has a smaller resistance than that of the high-resistance portion. Upon spot knocking, high voltage is selectively supplied to the electron gun assembly through the electrical conductor device and in operation, through the conductive inner graphite film.
REFERENCES:
patent: 4101803 (1978-07-01), Retsky et al.
Manako Masakazu
Matsuzaki Osamu
Oyamada Yoshinori
Toyama Noboru
Hitachi , Ltd.
LaRoche Eugene R.
Pfund Charles E.
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