Rare gas cold cathode discharge tube and image input device

Details Rare gas cold cathode discharge tube and image input device Rare gas cold cathode discharge tube and image input device

1991-10-09

1992-08-18

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

313594, 313607, 313234, H01J 6110, H01J 1744, H01J 6500

Patent

active

051402211

ABSTRACT:
An image input device including a rare gas cold cathode discharge tube is provided to read an irradiated picture image using a photoelectric transducer element. The rare gas cold cathode tube includes a linear tube including a main electrode, an auxiliary electrode and a conductive member connected to the auxiliary electrode for preventing deflections of a positive column formed along the auxiliary electrode. The tube is successively powered on and off. Three of such tubes of different colors may be provided and the irradiated picture image may be read by a storage type photoelectric transducer element.

REFERENCES:
patent: 4310773 (1982-01-01), Zukowski et al.
patent: 4887002 (1989-12-01), Dobashi et al.
patent: 4899090 (1990-02-01), Yoshiike et al.

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