Automatic screen blanking in a mobile radio data terminal

Details Automatic screen blanking in a mobile radio data terminal Automatic screen blanking in a mobile radio data terminal

1990-12-20

1992-09-15

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

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

340461, 34082534, 340988, 379 53, 379 96, G09G 128, H04N 142

Patent

active

051481537

ABSTRACT:
A data processing device is disclosed which includes automatic screen blanking and keyboard deactivation during those times whenever the associated vehicle in which the data device is installed is detected as being in motion. Further, when a message is received while the vehicle is in motion and the display screen blanked, an audible signal is generated to announce the receipt of such received message as well as providing an indication to the user/driver of the vehicle as to the nature of such received call. All keyboard interrupts generated during the time the vehicle is in motion and the visual display blanked are simply ignored.

REFERENCES:
patent: 4843622 (1989-06-01), Yotsutani et al.
patent: 4908611 (1990-03-01), Iino
patent: 5032828 (1991-07-01), Hirose et al.

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