Roll-up method for a display unit

Details Roll-up method for a display unit Roll-up method for a display unit

1978-01-19

1980-04-01

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

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

340799, G06K 1520

Patent

active

041964306

ABSTRACT:
A roll-up method for a display unit according to this invention consists of supplying data for designating a roll-up region to a roll-up address counter to designate an address for a refresh memory storing a character display data portion and a control data portion and modifying the contents of said address counter to modify the stored information of said refresh memory in a fly-back time of the display unit by means of a roll-up instruction, thereby rolling up said region.

REFERENCES:
patent: 3593310 (1971-07-01), Kievit
patent: 3623068 (1971-11-01), Horgan et al.
patent: 3742482 (1973-06-01), Albrecht et al.
patent: 4068225 (1978-01-01), Lee
patent: 4101879 (1978-07-01), Kawaji et al.

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