Pattern display circuit

Details Pattern display circuit Pattern display circuit

1997-12-29

2000-07-04

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

348181, G09G 500

Patent

active

06084566&

ABSTRACT:
A circuit (12) for generating a line pattern display (100) comprises: a display for generating display elements which extend in first direction and second directions; first (14) and second (20) memories for holding values representative of pattern spacing in the first and second directions respectively; and a first (16, 18) and second (22, 24) logic circuits coupled to the memories to produce display elements in lines at positions spaced apart by a distance representative of the value stored in the first memory and along lines whose positions in the second direction are spaced apart by a distance representative of the value stored in the second memory. The circuit can easily be integrated with on-screen-display circuitry.

REFERENCES:
patent: 4495519 (1985-01-01), Wahlquist
patent: 5319446 (1994-06-01), Emmoto et al.
patent: 5699111 (1997-12-01), Dairiki et al.

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