CRT display device with a picture-shifting circuit

Details CRT display device with a picture-shifting circuit CRT display device with a picture-shifting circuit

1989-05-02

1990-07-10

Oberley, Alvin

Communications: electrical

Land vehicle alarms or indicators

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

340724, G09G 116

Patent

active

049409700

ABSTRACT:
A CRT display device with a picture-rearranging circuit in which a display address for accessing a memory to display data stored in the memory is calculated at a high speed by hardware, i.e., a calculator, which counts values from an address counter or a reading or writing address from a microprocessing unit and an offset address generated from the microprocessing unit, the offset address being used to change the picture-arrangement on a display panel.

REFERENCES:
patent: 4068225 (1978-01-01), Lee
patent: 4129859 (1978-12-01), Iwamura et al.
patent: 4201983 (1980-05-01), Magerl et al.
patent: 4246578 (1981-01-01), Kawasaki et al.
patent: 4249172 (1981-02-01), Watkins et al.
patent: 4342991 (1982-08-01), Pope et al.
patent: 4491834 (1985-01-01), Oguchi
patent: 4618858 (1986-10-01), Belch

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