Cathode ray tube apparatus

Details Cathode ray tube apparatus Cathode ray tube apparatus

1984-01-25

1984-12-18

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340723, 340750, G09G 116

Patent

active

044893175

ABSTRACT:
A cathode ray tube display apparatus is provided comprising a regenerating buffer memory, a row address table and a pointer. The regenerating buffer memory has a greater storage capacity than the display capacity of the CRT screen and stores character information. The row address table has a capacity storing more addresses indicating the rows in the regenerating buffer memory than the number of rows on the CRT screen. The pointer designates an address of the table for determining the stored position of the regenerating memory to be first accessed by the table. This cathode ray tube display apparatus is capable of scrolling and paging easily and quickly without changing the content of the regenerating buffer memory and the row address table.

REFERENCES:
patent: 3242470 (1966-03-01), Hagelbarger
patent: 3643252 (1972-02-01), Roberts, Jr.
patent: 3680077 (1972-07-01), Hoberecht
patent: 3792462 (1974-02-01), Casey
patent: 4203107 (1980-05-01), Lovercheck
IBM Technical Disclosure Bulletin, vol. 19, No. 3, (Aug. 1976), pp. 1081-1084, "Formattable Video Band Display", by D. J. Chesarek.

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