Display apparatus with rotatable display screen

Details Display apparatus with rotatable display screen Display apparatus with rotatable display screen

1989-03-03

1991-07-09

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

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

340723, 340724, 340727, 382 46, G09G 500

Patent

active

050309447

ABSTRACT:
An information processing system comprises a display apparatus having a display screen which can be held in position of either vertical elongation or lateral elongation. The information processing system provides the operator with messages necessary for operation. By detecting the position of elongation of the display screen, data for the messages are selectively rotated so as to be always displayed uprightly on the display screen.

REFERENCES:
patent: 4168488 (1979-09-01), Evans
patent: 4225929 (1980-09-01), Ikeda
patent: 4267555 (1981-05-01), Boyd et al.
patent: 4527155 (1985-07-01), Yamaki et al.
patent: 4542377 (1985-09-01), Hagen et al.
patent: 4636783 (1987-01-01), Omachi
patent: 4703515 (1987-10-01), Baroody, Jr.
patent: 4831368 (1989-05-01), Masimo et al.

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