Display apparatus

Details Display apparatus Display apparatus

1985-07-05

1987-09-08

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340752, 340790, G09G 304, G09G 320

Patent

active

046927603

ABSTRACT:
The display apparatus includes a first display unit having dot display elements arranged in a matrix of m columns.times.n rows, a second display unit having n segment display elements arranged to have a predetermined pattern, and a display drive circuit to drive the first and second display units. This display drive circuit has a control circuit which generates display data to designate the character to be displayed in each display region in the first and second display units and which sequentially activates the display regions in the first and second display units, and a drive circuit which supplies m.times.n dot data corresponding to the display data from the control circuit to the dot display elements in each of the display regions of the first display unit and which also supplies predetermined n dot data among these m.times.n dot data to the segment display elements in each of the display regions in the second display unit.

REFERENCES:
patent: 4188626 (1980-02-01), Frantz et al.
patent: 4194199 (1980-03-01), Shepherd et al.
patent: 4206459 (1980-06-01), Houryu et al.
patent: 4270846 (1981-06-01), Miyamoto
patent: 4465999 (1984-08-01), Tsuzuki et al.
patent: 4504829 (1985-03-01), Usui

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