System for maximizing utilization of a display memory

Details System for maximizing utilization of a display memory System for maximizing utilization of a display memory

1989-10-03

1992-01-21

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

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

340703, 340717, 340720, G09G 102

Patent

active

050831216

ABSTRACT:
A system for maximized utilization of a display memory of a type including 2.sup.n memory elements of equal storage capacity arranged in a block fashion in corespondence with a display screen, each memory element being capable of storing, in a two-dimensional address, the pixel data which includes a predetermined number of bits. The system includes 2.sup.n-m memory groups, each includes 2.sup.m memory elements neighboring with each other on the display screen, an RAS switch connected between an RAS signal line and an RAS terminal of each of the memory elements forming each memory group, and a CAS switch connected between a CAS signal line and a CAS terminal of each of the memory elements forming each memory group. Thus, they can be switched over on a hardware basis to allow the reading of the pixel data from the display memory to be compatible with either one of a monochromatic and color display device, or one of a vertically and horizontally longer display device.

REFERENCES:
patent: 4533909 (1985-08-01), Sander
patent: 4549179 (1985-10-01), Welk
patent: 4841289 (1989-06-01), Kambayashi et al.
patent: 4884069 (1989-11-01), Farand
patent: 4926166 (1990-05-01), Fujisawa et al.

Affiliated with

Also associated with

Rating

System for maximizing utilization of a display memory does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for maximizing utilization of a display memory, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for maximizing utilization of a display memory will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-117617