Digital character font enhancement device

Details Digital character font enhancement device Digital character font enhancement device

1978-02-27

1980-01-29

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340748, 340800, 340801, 340814, G06F 314

Patent

active

041863933

ABSTRACT:
A device for providing various kinds of video edge information for character video is disclosed. The all-digital device employs a plurality of scan-line length shift registers which function as delay means. The shift registers are series-connected and receive the digital video information. The outputs of the shift registers and the "present" video information are supplied to short-duration delay devices, e.g. 4 bit shift registers. By appropriately combining the outputs of the short-duration delay devices, a character video and an edge signal are produced. Digital inputs and appropriate gating means can produce a variety of enhanced character fonts.

REFERENCES:
patent: 3441789 (1969-04-01), Harrison
patent: 3781849 (1973-12-01), Baron et al.
patent: 3918039 (1975-11-01), Clark

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