Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1978-07-28
1980-10-28
Goldberg, Elliot A.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
361278, 361280, 340365C, H01J 2926, H01G 700
Patent
active
042309670
ABSTRACT:
The disclosure is of a cathode ray tube having a face plate for displaying information and carrying an electrode assembly which is curved to adhere smoothly to the face plate. The electrode assembly includes a shield against radio frequency interference and an insulating support sheet having an inner surface and an outer surface, on each of which an array of rows and columns of conductive areas is formed. On the inner surface, the rows of conductive areas are electrically connected together to output contact pads at a side edge of the sheet, and, on the outer surface, the columns of conductive areas are electrically connected together to output contact pads along the lower edge of the sheet. Each outer conductive area overlies and is capacitively coupled to an inner conductive area. A column conductor which extends from a contact pad at an edge of the outer surface of the sheet is capacitively coupled to each column of outer conductive areas. The conductive areas on the outer surface are intimately capacitively coupled to the column conductors so that optimum signal coupling is achieved.
REFERENCES:
patent: 3757322 (1973-09-01), Barkan
patent: 3778817 (1973-12-01), Silverborg
patent: 4110749 (1978-08-01), Janko
patent: 4136291 (1979-01-01), Waldron
Holz George E.
Ogle James A.
Przybylek George J.
Burroughs Corporation
Feeney, Jr. Edward J.
Goldberg Elliot A.
Green Robert A.
Peterson Kevin R.
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