Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1987-04-30
1989-03-21
Brigance, Gerald L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340706, 340707, 340712, 178 18, G09G 336
Patent
active
048147605
ABSTRACT:
A device for both entering and displaying information includes imaging circuitry in which a plurality of elements each has a visual characteristic which is visible at a writing surface and which depends on electrically stimulating the element via conductive circuitry, the imaging circuitry is arranged to produce electrical manifestations at the conductive circuitry in response to writing stimuli, and the device also includes control circuitry which delivers electrical signals to the conductive circuitry to form an image and converts the electrical manifestations into digital form.
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Johnston James P.
Russell Donald L.
Brigance Gerald L.
Fakahi-yar Mahmoud
Milik Kenneth L.
Shanahan Michael H.
Wang Laboratories, Inc.
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