Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Patent
1990-06-12
1992-11-03
Issing, Gregory C.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Cathode-ray deflections circuits
313422, G09G 104, H01J 2970
Patent
active
051608715
ABSTRACT:
A flat configuration image display apparatus electron beam generator equipped with cold cathodes for generating a plurality of electron beams in response to image signals fed from an image signal supply circuit, and electron beam control electrodes for selectively energizing the cold cathodes of the electron beam generator in accordance with a scanning line selection signal. The electron beam generator is further equipped with at least an array of n base electrodes extending in vertical directions of a screen of the image display apparatus where n is an integer equal to or greater than 3, and a predetermined number of the cold cathodes are disposed on each of the base electrodes. The image signals are independently applied through terminal leaders to the base electrodes, the terminal leaders being led up to outsides of a vacuum housing of the image display apparatus. The electron control electrodes are divided into a plurality of groups each of which are responsive to the scanning line selection signal through a common bus.
REFERENCES:
patent: 3665241 (1972-05-01), Spindt et al.
patent: 4575765 (1986-03-01), Hirt
patent: 4857799 (1989-08-01), Spindt et al.
patent: 4908539 (1990-03-01), Meyer
Patent Abstracts of Japan, vol. 12, No. 355 (E-661) (3202), Sep. 22, 1988; and JP-A-63 110 530 (Matsushita Electric Ind., Co., Ltd.) May 16, 1988.
"Field-Emitter Arrays Applied to Vacuum Fluorescent Display" by Spindt et al.; IEEE Transactions on Electron Devices, vol. 36, No. 1, Jan. 1989 pp. 225-228.
"Advanced Technology: Flat Cold-Cathode CRTs" by I. Brodie; Information Display Jan. 1989, vol. 5, No. 1; pp. 17-19.
Kaneko Akira
Tomii Kaoru
Issing Gregory C.
Matsushita Electric - Industrial Co., Ltd.
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