Method and apparatus for compacting and de-compacting text chara

Details Method and apparatus for compacting and de-compacting text chara Method and apparatus for compacting and de-compacting text chara

1986-03-27

1987-10-20

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

364900, 178113, H03M 730

Patent

active

047017449

ABSTRACT:
A television receiver includes a micro-computer which controls the receiver functions and provides on-screen display of messages for prompting the user. Display characters are compacted to minimize memory space by encoding the characters in 4-bit nibbles to maximize storage efficiency in a ROM organized to store 8-bit bytes.

REFERENCES:
Principles of Communication Theory, John C. Hancock, McGraw-Hill, 1961, pp. 166-167.
Reference Data for Radio Engineers, Howard W. Sams & Co., Inc. Fourth Printing, 1972, p. 30.38.

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