Method of line buffer loading for a symbol generator

Details Method of line buffer loading for a symbol generator Method of line buffer loading for a symbol generator

1981-06-19

1983-08-23

Curtis, Marhsall M.

Communications: electrical

Land vehicle alarms or indicators

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

340735, 340748, 340790, 400111, 354 6, G09G 930

Patent

active

044006977

ABSTRACT:
In a symbol-display system which includes a keyboard for entering codes related to the symbols to be displayed and a memory for storing the codes associated with a line of symbols to be displayed, the symbols being from a font which includes at least one character represented by a set of symbols wherein the actual symbol to be used of the set is determined by the presence or absence on the displayed line of a space symbol immediately adjacent the character, there is disclosed the method of loading the codes in the memory for the display of a line of symbols by providing the keyboard with a key for each character that may be displayed as one of the symbols of the associated set wherein each of the keys represents a base symbol of the set, generating when one of the keys is depressed a base coded-combination of bits and modifying the base coded-combination of bits by changing at least one of the two least significant bits when any immediately adjacent key generated character is a space symbol.

REFERENCES:
patent: 3513968 (1970-05-01), Hanson
patent: 3569951 (1971-03-01), Lavenir
patent: 3665450 (1972-05-01), Leban
patent: 3946407 (1976-03-01), Ishii et al.
patent: 4298773 (1981-11-01), Diab

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