Electronic display system

Details Electronic display system Electronic display system

1986-04-29

1988-05-10

Chin, Gary

Boots, shoes, and leggings

364449, 340990, 340995, G06F 1550

Patent

active

047440333

ABSTRACT:
In an electronic map display system, predetermined linear display object data of all map data are stored in a first memory according to a predetermined coordinate system. Target point data other than the predetermined linear display object data are stored in a second memory in accordance with a relative coordinate system based on the predetermined linear objects. The data of the first memory are converted into display data of designated magnification rate by a first converter. The target point data of the second memory are converted into display data in accordance with a coordinate system based on the linear display objects by a second converter. A display signal is produced to display a map image in accordance with the data converted by the first and second data converters.

REFERENCES:
patent: 4504913 (1985-03-01), Miura et al.
patent: 4511973 (1985-04-01), Miura et al.
patent: 4532514 (1985-07-01), Hatano et al.
patent: 4543572 (1985-09-01), Tanaka et al.
patent: 4638438 (1987-01-01), Endo et al.
patent: 4675676 (1987-06-01), Takanabe et al.

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